changeset 22223:964e789e17f7

Truffle/Tools; rewrite tests for simple counting tools, e.g. CoverageTracker
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Sat, 19 Sep 2015 13:26:06 -0700
parents 69156ed8192b
children 776dc0a09749
files truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/CoverageTrackerTest.java truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/LineToProbesMapTest.java truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/NodeExecCounterTest.java truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/TestNodes.java truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/ToolTestUtil.java truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/ToolTestingLanguage.java truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/TruffleToolTest.java
diffstat 7 files changed, 557 insertions(+), 864 deletions(-) [+]
line wrap: on
line diff
--- a/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/CoverageTrackerTest.java	Sat Sep 19 13:25:41 2015 -0700
+++ b/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/CoverageTrackerTest.java	Sat Sep 19 13:26:06 2015 -0700
@@ -24,33 +24,24 @@
  */
 package com.oracle.truffle.tools.test;
 
-import static com.oracle.truffle.tools.test.TestNodes.createExpr13TestRootNode;
-import static com.oracle.truffle.tools.test.ToolTestingLanguage.VALUE_TAG;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
 import java.io.IOException;
 import java.lang.reflect.Field;
+import java.util.Arrays;
+import java.util.Map;
 
-import org.junit.Ignore;
 import org.junit.Test;
 
 import com.oracle.truffle.api.instrument.Instrumenter;
-import com.oracle.truffle.api.instrument.Probe;
-import com.oracle.truffle.api.instrument.StandardSyntaxTag;
-import com.oracle.truffle.api.nodes.Node;
-import com.oracle.truffle.api.nodes.RootNode;
 import com.oracle.truffle.api.source.Source;
 import com.oracle.truffle.api.vm.TruffleVM;
 import com.oracle.truffle.tools.CoverageTracker;
+import com.oracle.truffle.tools.test.ToolTestUtil.ToolTestTag;
 
 public class CoverageTrackerTest {
 
-    @SuppressWarnings("unused") private static com.oracle.truffle.tools.test.ToolTestingLanguage DUMMY = null;
-    @SuppressWarnings("unused") private static ToolTestingLanguage INSTANCE = ToolTestingLanguage.INSTANCE;
-
     @Test
     public void testNoExecution() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
         final TruffleVM vm = TruffleVM.newVM().build();
@@ -71,75 +62,55 @@
         assertEquals(tool.getCounts().entrySet().size(), 0);
     }
 
+    void checkCounts(Source source, CoverageTracker coverage, Long[] expectedCounts) {
+        final Map<Source, Long[]> countMap = coverage.getCounts();
+        assertEquals(countMap.size(), 1);
+        final Long[] resultCounts = countMap.get(source);
+        assertTrue(Arrays.equals(resultCounts, expectedCounts));
+    }
+
     @Test
-    public void testToolCreatedTooLate() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, IOException {
+    public void testCountingCoverage() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, IOException {
         final TruffleVM vm = TruffleVM.newVM().build();
         final Field field = TruffleVM.class.getDeclaredField("instrumenter");
         field.setAccessible(true);
         final Instrumenter instrumenter = (Instrumenter) field.get(vm);
-        final CoverageTracker tool = new CoverageTracker(VALUE_TAG);
-        tool.install(instrumenter);
-        final Source source = Source.fromText("testToolCreatedTooLate text", "testToolCreatedTooLate").withMimeType("text/x-toolTest");
-        assertEquals(vm.eval(source).get(), 13);
-        assertTrue(tool.getCounts().isEmpty());
-        tool.dispose();
-    }
+        final Source source = ToolTestUtil.createTestSource("testCountingCoverage");
 
-    @Ignore
-    @Test
-    public void testToolInstalledcTooLate() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
-        final CoverageTracker tool = new CoverageTracker();
-        final RootNode expr13rootNode = createExpr13TestRootNode(instrumenter);
+        final CoverageTracker valueCoverage = new CoverageTracker(ToolTestTag.VALUE_TAG);
+        final CoverageTracker addCoverage = new CoverageTracker(ToolTestTag.ADD_TAG);
+
+        valueCoverage.install(instrumenter);
+        assertTrue(valueCoverage.getCounts().isEmpty());
 
-        tool.install(instrumenter);
-        assertEquals(13, expr13rootNode.execute(null));
-        assertTrue(tool.getCounts().isEmpty());
-        tool.dispose();
-    }
+        assertEquals(vm.eval(source).get(), 13);
+
+        checkCounts(source, valueCoverage, new Long[]{Long.valueOf(1), null, Long.valueOf(1), null});
 
-    @Ignore
-    @Test
-    public void testCountingCoverage() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
-        final CoverageTracker tool = new CoverageTracker();
-        tool.install(instrumenter);
-        final RootNode expr13rootNode = createExpr13TestRootNode(instrumenter);
+        addCoverage.install(instrumenter);
 
-        // Not probed yet.
-        assertEquals(13, expr13rootNode.execute(null));
-        assertTrue(tool.getCounts().isEmpty());
+        assertEquals(vm.eval(source).get(), 13);
+
+        checkCounts(source, valueCoverage, new Long[]{Long.valueOf(2), null, Long.valueOf(2), null});
+        checkCounts(source, addCoverage, new Long[]{null, Long.valueOf(1), null, null});
 
-        final Node addNode = expr13rootNode.getChildren().iterator().next();
-        final Probe probe = instrumenter.probe(addNode);
+        valueCoverage.setEnabled(false);
+        assertEquals(vm.eval(source).get(), 13);
 
-        // Probed but not tagged yet.
-        assertEquals(13, expr13rootNode.execute(null));
-        assertTrue(tool.getCounts().isEmpty());
+        checkCounts(source, valueCoverage, new Long[]{Long.valueOf(2), null, Long.valueOf(2), null});
+        checkCounts(source, addCoverage, new Long[]{null, Long.valueOf(2), null, null});
 
-        probe.tagAs(StandardSyntaxTag.STATEMENT, "fake statement for testing");
-
-        // Counting now; execute once
-        assertEquals(13, expr13rootNode.execute(null));
+        valueCoverage.setEnabled(true);
+        assertEquals(vm.eval(source).get(), 13);
 
-        final Long[] longs1 = tool.getCounts().get(addNode.getSourceSection().getSource());
-        assertNotNull(longs1);
-        assertEquals(longs1.length, 2);
-        assertNull(longs1[0]);  // Line 1 is empty (text lines are 1-based)
-        assertEquals(1L, longs1[1].longValue());  // Expression is on line 2
+        checkCounts(source, valueCoverage, new Long[]{Long.valueOf(3), null, Long.valueOf(3), null});
+        checkCounts(source, addCoverage, new Long[]{null, Long.valueOf(3), null, null});
 
-        // Execute 99 more times
-        for (int i = 0; i < 99; i++) {
-            assertEquals(13, expr13rootNode.execute(null));
-        }
+        valueCoverage.dispose();
+        assertEquals(vm.eval(source).get(), 13);
 
-        final Long[] longs100 = tool.getCounts().get(addNode.getSourceSection().getSource());
-        assertNotNull(longs100);
-        assertEquals(longs100.length, 2);
-        assertNull(longs100[0]);
-        assertEquals(100L, longs100[1].longValue());
+        checkCounts(source, addCoverage, new Long[]{null, Long.valueOf(4), null, null});
 
-        tool.dispose();
+        addCoverage.dispose();
     }
-
 }
--- a/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/LineToProbesMapTest.java	Sat Sep 19 13:25:41 2015 -0700
+++ b/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/LineToProbesMapTest.java	Sat Sep 19 13:26:06 2015 -0700
@@ -24,73 +24,97 @@
  */
 package com.oracle.truffle.tools.test;
 
-import static com.oracle.truffle.tools.test.TestNodes.createExpr13TestRootNode;
-import static com.oracle.truffle.tools.test.TestNodes.expr13Line1;
-import static com.oracle.truffle.tools.test.TestNodes.expr13Line2;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.lang.reflect.Field;
 
 import org.junit.Test;
 
 import com.oracle.truffle.api.instrument.Instrumenter;
 import com.oracle.truffle.api.instrument.Probe;
-import com.oracle.truffle.api.nodes.Node;
-import com.oracle.truffle.api.nodes.RootNode;
-import com.oracle.truffle.api.source.LineLocation;
+import com.oracle.truffle.api.source.Source;
+import com.oracle.truffle.api.vm.TruffleVM;
 import com.oracle.truffle.tools.LineToProbesMap;
+import com.oracle.truffle.tools.test.ToolTestUtil.ToolTestTag;
 
 public class LineToProbesMapTest {
 
     @Test
-    public void testToolCreatedTooLate() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
-        final RootNode expr13rootNode = createExpr13TestRootNode(instrumenter);
-        final Node addNode = expr13rootNode.getChildren().iterator().next();
-        final Probe probe = instrumenter.probe(addNode);
-        final LineLocation lineLocation = probe.getProbedSourceSection().getLineLocation();
-        assertEquals(lineLocation, expr13Line2);
-
-        final LineToProbesMap tool = new LineToProbesMap();
-        tool.install(instrumenter);
-
-        assertNull(tool.findFirstProbe(expr13Line1));
-        assertNull(tool.findFirstProbe(expr13Line2));
-        tool.dispose();
+    public void testNoExecution() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
+        final TruffleVM vm = TruffleVM.newVM().build();
+        final Field field = TruffleVM.class.getDeclaredField("instrumenter");
+        field.setAccessible(true);
+        final Instrumenter instrumenter = (Instrumenter) field.get(vm);
+        final Source source = ToolTestUtil.createTestSource("testNoExecution");
+        final LineToProbesMap probesMap = new LineToProbesMap();
+        probesMap.install(instrumenter);
+        assertNull(probesMap.findFirstProbe(source.createLineLocation(1)));
+        assertNull(probesMap.findFirstProbe(source.createLineLocation(2)));
+        assertNull(probesMap.findFirstProbe(source.createLineLocation(3)));
+        probesMap.dispose();
     }
 
     @Test
-    public void testToolInstalledTooLate() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
-        final LineToProbesMap tool = new LineToProbesMap();
+    public void testMapping1() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, IOException {
+        final TruffleVM vm = TruffleVM.newVM().build();
+        final Field field = TruffleVM.class.getDeclaredField("instrumenter");
+        field.setAccessible(true);
+        final Instrumenter instrumenter = (Instrumenter) field.get(vm);
+        final Source source = ToolTestUtil.createTestSource("testMapping1");
+        final LineToProbesMap probesMap = new LineToProbesMap();
+
+        assertNull(probesMap.findFirstProbe(source.createLineLocation(1)));
+        assertNull(probesMap.findFirstProbe(source.createLineLocation(2)));
+        assertNull(probesMap.findFirstProbe(source.createLineLocation(3)));
 
-        final RootNode expr13rootNode = createExpr13TestRootNode(instrumenter);
-        final Node addNode = expr13rootNode.getChildren().iterator().next();
-        final Probe probe = instrumenter.probe(addNode);
-        final LineLocation lineLocation = probe.getProbedSourceSection().getLineLocation();
-        assertEquals(lineLocation, expr13Line2);
+        // Map installed before AST gets created
+        probesMap.install(instrumenter);
+        assertEquals(vm.eval(source).get(), 13);
 
-        tool.install(instrumenter);
+        final Probe probe1 = probesMap.findFirstProbe(source.createLineLocation(1));
+        assertNotNull(probe1);
+        assertTrue(probe1.isTaggedAs(ToolTestTag.VALUE_TAG));
+        final Probe probe2 = probesMap.findFirstProbe(source.createLineLocation(2));
+        assertNotNull(probe2);
+        assertTrue(probe2.isTaggedAs(ToolTestTag.ADD_TAG));
+        final Probe probe3 = probesMap.findFirstProbe(source.createLineLocation(3));
+        assertNotNull(probe3);
+        assertTrue(probe3.isTaggedAs(ToolTestTag.VALUE_TAG));
 
-        assertNull(tool.findFirstProbe(expr13Line1));
-        assertNull(tool.findFirstProbe(expr13Line2));
-        tool.dispose();
+        probesMap.dispose();
     }
 
     @Test
-    public void testMapping() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
-        final LineToProbesMap tool = new LineToProbesMap();
-        tool.install(instrumenter);
+    public void testMapping2() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, IOException {
+        final TruffleVM vm = TruffleVM.newVM().build();
+        final Field field = TruffleVM.class.getDeclaredField("instrumenter");
+        field.setAccessible(true);
+        final Instrumenter instrumenter = (Instrumenter) field.get(vm);
+        final Source source = ToolTestUtil.createTestSource("testMapping2");
+        final LineToProbesMap probesMap = new LineToProbesMap();
+
+        assertNull(probesMap.findFirstProbe(source.createLineLocation(1)));
+        assertNull(probesMap.findFirstProbe(source.createLineLocation(2)));
+        assertNull(probesMap.findFirstProbe(source.createLineLocation(3)));
 
-        final RootNode expr13rootNode = createExpr13TestRootNode(instrumenter);
-        final Node addNode = expr13rootNode.getChildren().iterator().next();
-        final Probe probe = instrumenter.probe(addNode);
-        final LineLocation lineLocation = probe.getProbedSourceSection().getLineLocation();
-        assertEquals(lineLocation, expr13Line2);
+        // Map installed after AST gets created
+        assertEquals(vm.eval(source).get(), 13);
+        probesMap.install(instrumenter);
 
-        assertNull(tool.findFirstProbe(expr13Line1));
-        assertEquals(tool.findFirstProbe(expr13Line2), probe);
-        tool.dispose();
+        final Probe probe1 = probesMap.findFirstProbe(source.createLineLocation(1));
+        assertNotNull(probe1);
+        assertTrue(probe1.isTaggedAs(ToolTestTag.VALUE_TAG));
+        final Probe probe2 = probesMap.findFirstProbe(source.createLineLocation(2));
+        assertNotNull(probe2);
+        assertTrue(probe2.isTaggedAs(ToolTestTag.ADD_TAG));
+        final Probe probe3 = probesMap.findFirstProbe(source.createLineLocation(3));
+        assertNotNull(probe3);
+        assertTrue(probe3.isTaggedAs(ToolTestTag.VALUE_TAG));
+
+        probesMap.dispose();
     }
-
 }
--- a/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/NodeExecCounterTest.java	Sat Sep 19 13:25:41 2015 -0700
+++ b/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/NodeExecCounterTest.java	Sat Sep 19 13:26:06 2015 -0700
@@ -24,30 +24,28 @@
  */
 package com.oracle.truffle.tools.test;
 
-import static com.oracle.truffle.tools.test.TestNodes.createExpr13TestCallTarget;
-import static com.oracle.truffle.tools.test.TestNodes.createExpr13TestRootNode;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.fail;
 
+import java.io.IOException;
+import java.lang.reflect.Field;
+
 import org.junit.Test;
 
-import com.oracle.truffle.api.CallTarget;
 import com.oracle.truffle.api.instrument.Instrumenter;
-import com.oracle.truffle.api.instrument.Probe;
-import com.oracle.truffle.api.instrument.StandardSyntaxTag;
-import com.oracle.truffle.api.nodes.Node;
-import com.oracle.truffle.api.nodes.RootNode;
+import com.oracle.truffle.api.source.Source;
+import com.oracle.truffle.api.vm.TruffleVM;
 import com.oracle.truffle.tools.NodeExecCounter;
 import com.oracle.truffle.tools.NodeExecCounter.NodeExecutionCount;
-import com.oracle.truffle.tools.test.TestNodes.TestAddNode;
-import com.oracle.truffle.tools.test.TestNodes.TestValueNode;
 
 public class NodeExecCounterTest {
 
     @Test
     public void testNoExecution() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
+        final TruffleVM vm = TruffleVM.newVM().build();
+        final Field field = TruffleVM.class.getDeclaredField("instrumenter");
+        field.setAccessible(true);
+        final Instrumenter instrumenter = (Instrumenter) field.get(vm);
         final NodeExecCounter tool = new NodeExecCounter();
         assertEquals(tool.getCounts().length, 0);
         tool.install(instrumenter);
@@ -62,117 +60,45 @@
         assertEquals(tool.getCounts().length, 0);
     }
 
-    @Test
-    public void testToolCreatedTooLate() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
-        final CallTarget expr13callTarget = createExpr13TestCallTarget(instrumenter);
-        final NodeExecCounter tool = new NodeExecCounter();
-        tool.install(instrumenter);
-        assertEquals(13, expr13callTarget.call());
-        assertEquals(tool.getCounts().length, 0);
-        tool.dispose();
-    }
-
-    @Test
-    public void testToolInstalledcTooLate() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
-        final NodeExecCounter tool = new NodeExecCounter();
-        final CallTarget expr13callTarget = createExpr13TestCallTarget(instrumenter);
-        tool.install(instrumenter);
-        assertEquals(13, expr13callTarget.call());
-        assertEquals(tool.getCounts().length, 0);
-        tool.dispose();
+    void checkCounts(NodeExecCounter execTool, int addCount, int valueCount) {
+        NodeExecutionCount[] counts = execTool.getCounts();
+        assertEquals(counts.length, 2);
+        for (NodeExecutionCount counter : counts) {
+            if (counter.nodeClass() == ToolTestUtil.TestAdditionNode.class) {
+                assertEquals(counter.executionCount(), addCount);
+            } else if (counter.nodeClass() == ToolTestUtil.TestValueNode.class) {
+                assertEquals(counter.executionCount(), valueCount);
+            } else {
+                fail("correct classes counted");
+            }
+        }
     }
 
     @Test
-    public void testCountingAll() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
-        final NodeExecCounter tool = new NodeExecCounter();
-        tool.install(instrumenter);
-        final CallTarget expr13callTarget = createExpr13TestCallTarget(instrumenter);
+    public void testCounting() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, IOException {
+        final TruffleVM vm = TruffleVM.newVM().build();
+        final Field field = TruffleVM.class.getDeclaredField("instrumenter");
+        field.setAccessible(true);
+        final Instrumenter instrumenter = (Instrumenter) field.get(vm);
+        final Source source = ToolTestUtil.createTestSource("testCounting");
+        final NodeExecCounter execTool = new NodeExecCounter();
+        execTool.install(instrumenter);
 
-        // execute once
-        assertEquals(13, expr13callTarget.call());
-        final NodeExecutionCount[] count1 = tool.getCounts();
-        assertNotNull(count1);
-        assertEquals(count1.length, 2);
-        for (NodeExecutionCount count : count1) {
-            final Class<?> class1 = count.nodeClass();
-            final long executionCount = count.executionCount();
-            if (class1 == TestAddNode.class) {
-                assertEquals(executionCount, 1);
-            } else if (class1 == TestValueNode.class) {
-                assertEquals(executionCount, 2);
-            } else {
-                fail();
-            }
-        }
+        assertEquals(execTool.getCounts().length, 0);
 
-        // Execute 99 more times
-        for (int i = 0; i < 99; i++) {
-            assertEquals(13, expr13callTarget.call());
-        }
-        final NodeExecutionCount[] counts100 = tool.getCounts();
-        assertNotNull(counts100);
-        assertEquals(counts100.length, 2);
-        for (NodeExecutionCount count : counts100) {
-            final Class<?> class1 = count.nodeClass();
-            final long executionCount = count.executionCount();
-            if (class1 == TestAddNode.class) {
-                assertEquals(executionCount, 100);
-            } else if (class1 == TestValueNode.class) {
-                assertEquals(executionCount, 200);
-            } else {
-                fail();
-            }
-        }
-
-        tool.dispose();
-    }
+        assertEquals(vm.eval(source).get(), 13);
 
-    @Test
-    public void testCountingTagged() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
-        final NodeExecCounter tool = new NodeExecCounter(StandardSyntaxTag.STATEMENT);
-        tool.install(instrumenter);
-        final RootNode expr13rootNode = createExpr13TestRootNode(instrumenter);
-
-        // Not probed yet.
-        assertEquals(13, expr13rootNode.execute(null));
-        assertEquals(tool.getCounts().length, 0);
-
-        final Node addNode = expr13rootNode.getChildren().iterator().next();
-        final Probe probe = instrumenter.probe(addNode);
-
-        // Probed but not tagged yet.
-        assertEquals(13, expr13rootNode.execute(null));
-        assertEquals(tool.getCounts().length, 0);
-
-        probe.tagAs(StandardSyntaxTag.STATEMENT, "fake statement for testing");
+        checkCounts(execTool, 1, 2);
 
-        // Counting now; execute once
-        assertEquals(13, expr13rootNode.execute(null));
-        final NodeExecutionCount[] counts1 = tool.getCounts();
-        assertNotNull(counts1);
-        assertEquals(counts1.length, 1);
-        final NodeExecutionCount count1 = counts1[0];
-        assertNotNull(count1);
-        assertEquals(count1.nodeClass(), addNode.getClass());
-        assertEquals(count1.executionCount(), 1);
+        for (int i = 0; i < 99; i++) {
+            assertEquals(vm.eval(source).get(), 13);
+        }
+        checkCounts(execTool, 100, 200);
 
-        // Execute 99 more times
-        for (int i = 0; i < 99; i++) {
-            assertEquals(13, expr13rootNode.execute(null));
-        }
+        execTool.setEnabled(false);
+        assertEquals(vm.eval(source).get(), 13);
+        checkCounts(execTool, 100, 200);
 
-        final NodeExecutionCount[] counts100 = tool.getCounts();
-        assertNotNull(counts100);
-        assertEquals(counts100.length, 1);
-        final NodeExecutionCount count100 = counts100[0];
-        assertNotNull(count100);
-        assertEquals(count100.nodeClass(), addNode.getClass());
-        assertEquals(count100.executionCount(), 100);
-
-        tool.dispose();
+        execTool.dispose();
     }
 }
--- a/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/TestNodes.java	Sat Sep 19 13:25:41 2015 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,254 +0,0 @@
-/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package com.oracle.truffle.tools.test;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-import com.oracle.truffle.api.CallTarget;
-import com.oracle.truffle.api.Truffle;
-import com.oracle.truffle.api.TruffleLanguage;
-import com.oracle.truffle.api.frame.VirtualFrame;
-import com.oracle.truffle.api.instrument.Instrumenter;
-import com.oracle.truffle.api.instrument.KillException;
-import com.oracle.truffle.api.instrument.Probe;
-import com.oracle.truffle.api.instrument.ProbeNode;
-import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode;
-import com.oracle.truffle.api.nodes.Node;
-import com.oracle.truffle.api.nodes.NodeCost;
-import com.oracle.truffle.api.nodes.NodeInfo;
-import com.oracle.truffle.api.nodes.RootNode;
-import com.oracle.truffle.api.source.LineLocation;
-import com.oracle.truffle.api.source.Source;
-import com.oracle.truffle.api.source.SourceSection;
-import com.oracle.truffle.api.vm.TruffleVM;
-
-/**
- * Nodes and an {@linkplain CallTarget executable ASTs} for testing.
- */
-class TestNodes {
-
-    /**
-     * A fake source used for testing: empty line 1, expression on line 2.
-     */
-    public static final Source expr13Source = Source.fromText("\n6+7\n", "Test Source: expression on line 2 that evaluates to 13");
-    public static final LineLocation expr13Line1 = expr13Source.createLineLocation(1);
-    public static final LineLocation expr13Line2 = expr13Source.createLineLocation(2);
-
-    /**
-     * An executable addition expression that evaluates to 13.
-     */
-    static CallTarget createExpr13TestCallTarget(Instrumenter instrumenter) {
-        final RootNode rootNode = createExpr13TestRootNode(instrumenter);
-        return Truffle.getRuntime().createCallTarget(rootNode);
-    }
-
-    /**
-     * Root holding an addition expression that evaluates to 13.
-     */
-    static RootNode createExpr13TestRootNode(Instrumenter instrumenter) {
-        final TestLanguageNode ast = createExpr13AST();
-        final TestRootNode rootNode = new TestRootNode(ast, instrumenter);
-        rootNode.adoptChildren();
-        return rootNode;
-    }
-
-    static Instrumenter createInstrumenter() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        TruffleVM vm = TruffleVM.newVM().build();
-        final Field field = TruffleVM.class.getDeclaredField("instrumenter");
-        field.setAccessible(true);
-        final Instrumenter instrument = (Instrumenter) field.get(vm);
-        return instrument;
-    }
-
-    /**
-     * Addition expression that evaluates to 13, with faked source attribution.
-     */
-    static TestLanguageNode createExpr13AST() {
-        final SourceSection leftSourceSection = expr13Source.createSection("left", 1, 1);
-        final TestValueNode leftValueNode = new TestValueNode(6, leftSourceSection);
-        final SourceSection rightSourceSection = expr13Source.createSection("right", 3, 1);
-        final TestValueNode rightValueNode = new TestValueNode(7, rightSourceSection);
-        final SourceSection exprSourceSection = expr13Source.createSection("expr", 1, 3);
-        return new TestAddNode(leftValueNode, rightValueNode, exprSourceSection);
-    }
-
-    abstract static class TestLanguageNode extends Node {
-        public abstract Object execute(VirtualFrame frame);
-
-        public TestLanguageNode() {
-        }
-
-        public TestLanguageNode(SourceSection srcSection) {
-            super(srcSection);
-        }
-
-        @SuppressWarnings("deprecation")
-        @Override
-        public boolean isInstrumentable() {
-            return true;
-        }
-
-        @SuppressWarnings("deprecation")
-        @Override
-        public WrapperNode createWrapperNode() {
-            return new TestWrapperNode(this);
-        }
-    }
-
-    @NodeInfo(cost = NodeCost.NONE)
-    static class TestWrapperNode extends TestLanguageNode implements WrapperNode {
-        @Child private TestLanguageNode child;
-        @Child private ProbeNode probeNode;
-
-        public TestWrapperNode(TestLanguageNode child) {
-            assert !(child instanceof TestWrapperNode);
-            this.child = child;
-        }
-
-        @Override
-        public String instrumentationInfo() {
-            return "Wrapper node for testing";
-        }
-
-        @Override
-        public boolean isInstrumentable() {
-            return false;
-        }
-
-        @Override
-        public void insertProbe(ProbeNode newProbeNode) {
-            this.probeNode = newProbeNode;
-        }
-
-        @Override
-        public Probe getProbe() {
-            return probeNode.getProbe();
-        }
-
-        @Override
-        public Node getChild() {
-            return child;
-        }
-
-        @Override
-        public Object execute(VirtualFrame frame) {
-            probeNode.enter(child, frame);
-            Object result;
-
-            try {
-                result = child.execute(frame);
-                probeNode.returnValue(child, frame, result);
-            } catch (KillException e) {
-                throw (e);
-            } catch (Exception e) {
-                probeNode.returnExceptional(child, frame, e);
-                throw (e);
-            }
-
-            return result;
-        }
-    }
-
-    /**
-     * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST
-     * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle
-     * completes an AST. The root nodes serves as our entry point into a program.
-     */
-    static class TestRootNode extends RootNode {
-        @Child private TestLanguageNode body;
-
-        private final Instrumenter instrumenter;
-
-        /**
-         * This constructor emulates the global machinery that applies registered probers to every
-         * newly created AST. Global registry is not used, since that would interfere with other
-         * tests run in the same environment.
-         */
-        public TestRootNode(TestLanguageNode body, Instrumenter instrumenter) {
-            super(TruffleLanguage.class, null, null);
-            this.instrumenter = instrumenter;
-            this.body = body;
-        }
-
-        @Override
-        public Object execute(VirtualFrame frame) {
-            return body.execute(frame);
-        }
-
-        @Override
-        public boolean isCloningAllowed() {
-            return true;
-        }
-
-        @Override
-        public void applyInstrumentation() {
-            Method method;
-            try {
-                method = Instrumenter.class.getDeclaredMethod("applyInstrumentation", Node.class);
-                method.setAccessible(true);
-                method.invoke(instrumenter, body);
-            } catch (NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
-                throw new RuntimeException("TestNodes");
-            }
-        }
-    }
-
-    static class TestValueNode extends TestLanguageNode {
-        private final int value;
-
-        public TestValueNode(int value) {
-            this.value = value;
-        }
-
-        public TestValueNode(int value, SourceSection srcSection) {
-            super(srcSection);
-            this.value = value;
-        }
-
-        @Override
-        public Object execute(VirtualFrame frame) {
-            return new Integer(this.value);
-        }
-    }
-
-    static class TestAddNode extends TestLanguageNode {
-        @Child private TestLanguageNode leftChild;
-        @Child private TestLanguageNode rightChild;
-
-        public TestAddNode(TestValueNode leftChild, TestValueNode rightChild, SourceSection sourceSection) {
-            super(sourceSection);
-            this.leftChild = insert(leftChild);
-            this.rightChild = insert(rightChild);
-        }
-
-        @Override
-        public Object execute(VirtualFrame frame) {
-            return new Integer(((Integer) leftChild.execute(frame)).intValue() + ((Integer) rightChild.execute(frame)).intValue());
-        }
-    }
-
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/ToolTestUtil.java	Sat Sep 19 13:26:06 2015 -0700
@@ -0,0 +1,394 @@
+/*
+ * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.tools.test;
+
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import com.oracle.truffle.api.CallTarget;
+import com.oracle.truffle.api.Truffle;
+import com.oracle.truffle.api.TruffleLanguage;
+import com.oracle.truffle.api.TruffleRuntime;
+import com.oracle.truffle.api.debug.DebugSupportProvider;
+import com.oracle.truffle.api.frame.MaterializedFrame;
+import com.oracle.truffle.api.frame.VirtualFrame;
+import com.oracle.truffle.api.instrument.ASTProber;
+import com.oracle.truffle.api.instrument.AdvancedInstrumentResultListener;
+import com.oracle.truffle.api.instrument.AdvancedInstrumentRootFactory;
+import com.oracle.truffle.api.instrument.Instrumenter;
+import com.oracle.truffle.api.instrument.KillException;
+import com.oracle.truffle.api.instrument.Probe;
+import com.oracle.truffle.api.instrument.ProbeNode;
+import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode;
+import com.oracle.truffle.api.instrument.SyntaxTag;
+import com.oracle.truffle.api.instrument.ToolSupportProvider;
+import com.oracle.truffle.api.instrument.Visualizer;
+import com.oracle.truffle.api.nodes.Node;
+import com.oracle.truffle.api.nodes.NodeCost;
+import com.oracle.truffle.api.nodes.NodeInfo;
+import com.oracle.truffle.api.nodes.NodeVisitor;
+import com.oracle.truffle.api.nodes.RootNode;
+import com.oracle.truffle.api.source.Source;
+import com.oracle.truffle.api.source.SourceSection;
+
+public class ToolTestUtil {
+
+    static final String MIME_TYPE = "text/x-toolTest";
+
+    static enum ToolTestTag implements SyntaxTag {
+
+        ADD_TAG("addition", "test language addition node"),
+
+        VALUE_TAG("value", "test language value node");
+
+        private final String name;
+        private final String description;
+
+        private ToolTestTag(String name, String description) {
+            this.name = name;
+            this.description = description;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public String getDescription() {
+            return description;
+        }
+    }
+
+    static Source createTestSource(String description) {
+        return Source.fromText("6\n+\n7\n" + description, description).withMimeType(MIME_TYPE);
+    }
+
+    @TruffleLanguage.Registration(name = "toolTestLanguage", version = "0", mimeType = MIME_TYPE)
+    public static final class ToolTestLang extends TruffleLanguage<Object> {
+
+        public static final ToolTestLang INSTANCE = new ToolTestLang();
+
+        private final ASTProber prober = new TestASTProber();
+
+        private ToolTestLang() {
+        }
+
+        @Override
+        protected CallTarget parse(Source source, Node context, String... argumentNames) throws IOException {
+            final TestValueNode leftValueNode = new TestValueNode(6, source.createSection("6", 0, 1));
+            final TestValueNode rightValueNode = new TestValueNode(7, source.createSection("7", 4, 1));
+            final TestAdditionNode addNode = new TestAdditionNode(leftValueNode, rightValueNode, source.createSection("+", 2, 1));
+            final InstrumentationTestRootNode rootNode = new InstrumentationTestRootNode(addNode);
+            final TruffleRuntime runtime = Truffle.getRuntime();
+            final CallTarget callTarget = runtime.createCallTarget(rootNode);
+            return callTarget;
+        }
+
+        @Override
+        protected Object findExportedSymbol(Object context, String globalName, boolean onlyExplicit) {
+            return null;
+        }
+
+        @Override
+        protected Object getLanguageGlobal(Object context) {
+            return null;
+        }
+
+        @Override
+        protected boolean isObjectOfLanguage(Object object) {
+            return false;
+        }
+
+        @Override
+        protected Visualizer getVisualizer() {
+            return null;
+        }
+
+        @Override
+        protected ASTProber getDefaultASTProber() {
+            return prober;
+        }
+
+        @Override
+        protected boolean isInstrumentable(Node node) {
+            return node instanceof TestAdditionNode || node instanceof TestValueNode;
+        }
+
+        @Override
+        protected WrapperNode createWrapperNode(Node node) {
+            if (isInstrumentable(node)) {
+                return new ToolTestWrapperNode((ToolTestLangNode) node);
+            }
+            return null;
+        }
+
+        @SuppressWarnings("deprecation")
+        @Override
+        protected void enableASTProbing(ASTProber astProber) {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        protected Object evalInContext(Source source, Node node, MaterializedFrame mFrame) throws IOException {
+            return null;
+        }
+
+        @Override
+        protected AdvancedInstrumentRootFactory createAdvancedInstrumentRootFactory(String expr, AdvancedInstrumentResultListener resultListener) throws IOException {
+            return null;
+        }
+
+        @SuppressWarnings("deprecation")
+        @Override
+        protected ToolSupportProvider getToolSupport() {
+            throw new UnsupportedOperationException();
+        }
+
+        @SuppressWarnings("deprecation")
+        @Override
+        protected DebugSupportProvider getDebugSupport() {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        protected Object createContext(Env env) {
+            return null;
+        }
+
+    }
+
+    static final class TestASTProber implements ASTProber {
+
+        public void probeAST(final Instrumenter instrumenter, Node startNode) {
+            startNode.accept(new NodeVisitor() {
+
+                @Override
+                public boolean visit(Node node) {
+                    if (node instanceof ToolTestLangNode) {
+
+                        final ToolTestLangNode testNode = (ToolTestLangNode) node;
+
+                        if (node instanceof TestValueNode) {
+                            instrumenter.probe(testNode).tagAs(ToolTestTag.VALUE_TAG, null);
+
+                        } else if (node instanceof TestAdditionNode) {
+                            instrumenter.probe(testNode).tagAs(ToolTestTag.ADD_TAG, null);
+
+                        }
+                    }
+                    return true;
+                }
+            });
+        }
+    }
+
+    abstract static class ToolTestLangNode extends Node {
+        public abstract Object execute(VirtualFrame vFrame);
+
+        protected ToolTestLangNode(SourceSection ss) {
+            super(ss);
+        }
+
+        @SuppressWarnings("deprecation")
+        @Override
+        public boolean isInstrumentable() {
+            throw new UnsupportedOperationException();
+        }
+
+        @SuppressWarnings("deprecation")
+        @Override
+        public WrapperNode createWrapperNode() {
+            throw new UnsupportedOperationException();
+        }
+    }
+
+    @NodeInfo(cost = NodeCost.NONE)
+    static class ToolTestWrapperNode extends ToolTestLangNode implements WrapperNode {
+        @Child private ToolTestLangNode child;
+        @Child private ProbeNode probeNode;
+
+        public ToolTestWrapperNode(ToolTestLangNode child) {
+            super(null);
+            assert !(child instanceof ToolTestWrapperNode);
+            this.child = child;
+        }
+
+        @Override
+        public String instrumentationInfo() {
+            return "Wrapper node for testing";
+        }
+
+        @Override
+        public boolean isInstrumentable() {
+            return false;
+        }
+
+        @Override
+        public void insertProbe(ProbeNode newProbeNode) {
+            this.probeNode = newProbeNode;
+        }
+
+        @Override
+        public Probe getProbe() {
+            return probeNode.getProbe();
+        }
+
+        @Override
+        public Node getChild() {
+            return child;
+        }
+
+        @Override
+        public Object execute(VirtualFrame vFrame) {
+            probeNode.enter(child, vFrame);
+            Object result;
+            try {
+                result = child.execute(vFrame);
+                probeNode.returnValue(child, vFrame, result);
+            } catch (KillException e) {
+                throw (e);
+            } catch (Exception e) {
+                probeNode.returnExceptional(child, vFrame, e);
+                throw (e);
+            }
+            return result;
+        }
+    }
+
+    /**
+     * A simple node for our test language to store a value.
+     */
+    static class TestValueNode extends ToolTestLangNode {
+        private final int value;
+
+        public TestValueNode(int value, SourceSection s) {
+            super(s);
+            this.value = value;
+        }
+
+        @Override
+        public Object execute(VirtualFrame vFrame) {
+            return new Integer(this.value);
+        }
+    }
+
+    /**
+     * A node for our test language that adds up two {@link TestValueNode}s.
+     */
+    static class TestAdditionNode extends ToolTestLangNode {
+        @Child private ToolTestLangNode leftChild;
+        @Child private ToolTestLangNode rightChild;
+
+        public TestAdditionNode(TestValueNode leftChild, TestValueNode rightChild, SourceSection s) {
+            super(s);
+            this.leftChild = insert(leftChild);
+            this.rightChild = insert(rightChild);
+        }
+
+        @Override
+        public Object execute(VirtualFrame vFrame) {
+            return new Integer(((Integer) leftChild.execute(vFrame)).intValue() + ((Integer) rightChild.execute(vFrame)).intValue());
+        }
+    }
+
+    /**
+     * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST
+     * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle
+     * completes an AST. The root nodes serves as our entry point into a program.
+     */
+    static class InstrumentationTestRootNode extends RootNode {
+        @Child private ToolTestLangNode body;
+
+        /**
+         * This constructor emulates the global machinery that applies registered probers to every
+         * newly created AST. Global registry is not used, since that would interfere with other
+         * tests run in the same environment.
+         */
+        public InstrumentationTestRootNode(ToolTestLangNode body) {
+            super(ToolTestLang.class, null, null);
+            this.body = body;
+        }
+
+        @Override
+        public Object execute(VirtualFrame vFrame) {
+            return body.execute(vFrame);
+        }
+
+        @Override
+        public boolean isCloningAllowed() {
+            return true;
+        }
+
+        @Override
+        public void applyInstrumentation() {
+            super.applyInstrumentation(body);
+        }
+    }
+
+    /**
+     * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST
+     * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle
+     * completes an AST. The root nodes serves as our entry point into a program.
+     */
+    static class TestRootNode extends RootNode {
+        @Child private ToolTestLangNode body;
+
+        final Instrumenter instrumenter;
+
+        /**
+         * This constructor emulates the global machinery that applies registered probers to every
+         * newly created AST. Global registry is not used, since that would interfere with other
+         * tests run in the same environment.
+         */
+        public TestRootNode(ToolTestLangNode body, Instrumenter instrumenter) {
+            super(ToolTestLang.class, null, null);
+            this.instrumenter = instrumenter;
+            this.body = body;
+        }
+
+        @Override
+        public Object execute(VirtualFrame vFrame) {
+            return body.execute(vFrame);
+        }
+
+        @Override
+        public boolean isCloningAllowed() {
+            return true;
+        }
+
+        @Override
+        public void applyInstrumentation() {
+            Method method;
+            try {
+                method = Instrumenter.class.getDeclaredMethod("applyInstrumentation", Node.class);
+                method.setAccessible(true);
+                method.invoke(instrumenter, body);
+            } catch (NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+                throw new RuntimeException("InstrumentationTestNodes");
+            }
+        }
+    }
+
+}
--- a/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/ToolTestingLanguage.java	Sat Sep 19 13:25:41 2015 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,379 +0,0 @@
-/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package com.oracle.truffle.tools.test;
-
-import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-import com.oracle.truffle.api.CallTarget;
-import com.oracle.truffle.api.Truffle;
-import com.oracle.truffle.api.TruffleLanguage;
-import com.oracle.truffle.api.TruffleRuntime;
-import com.oracle.truffle.api.debug.DebugSupportProvider;
-import com.oracle.truffle.api.frame.MaterializedFrame;
-import com.oracle.truffle.api.frame.VirtualFrame;
-import com.oracle.truffle.api.instrument.ASTProber;
-import com.oracle.truffle.api.instrument.AdvancedInstrumentResultListener;
-import com.oracle.truffle.api.instrument.AdvancedInstrumentRootFactory;
-import com.oracle.truffle.api.instrument.Instrumenter;
-import com.oracle.truffle.api.instrument.KillException;
-import com.oracle.truffle.api.instrument.Probe;
-import com.oracle.truffle.api.instrument.ProbeNode;
-import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode;
-import com.oracle.truffle.api.instrument.SyntaxTag;
-import com.oracle.truffle.api.instrument.ToolSupportProvider;
-import com.oracle.truffle.api.instrument.Visualizer;
-import com.oracle.truffle.api.nodes.Node;
-import com.oracle.truffle.api.nodes.NodeCost;
-import com.oracle.truffle.api.nodes.NodeInfo;
-import com.oracle.truffle.api.nodes.NodeVisitor;
-import com.oracle.truffle.api.nodes.RootNode;
-import com.oracle.truffle.api.source.Source;
-
-@TruffleLanguage.Registration(name = "toolTestLanguage", version = "0", mimeType = "text/x-toolTest")
-public final class ToolTestingLanguage extends TruffleLanguage<Object> {
-
-    public static final ToolTestingLanguage INSTANCE = new ToolTestingLanguage();
-
-    static final SyntaxTag ADD_TAG = new SyntaxTag() {
-
-        @Override
-        public String name() {
-            return "Addition";
-        }
-
-        @Override
-        public String getDescription() {
-            return "Test Language Addition Node";
-        }
-    };
-
-    static final SyntaxTag VALUE_TAG = new SyntaxTag() {
-
-        @Override
-        public String name() {
-            return "Value";
-        }
-
-        @Override
-        public String getDescription() {
-            return "Test Language Value Node";
-        }
-    };
-
-    private final ASTProber prober = new TestASTProber();
-
-    private ToolTestingLanguage() {
-    }
-
-    @Override
-    protected CallTarget parse(Source code, Node context, String... argumentNames) throws IOException {
-        final TestValueNode leftValueNode = new TestValueNode(6);
-        final TestValueNode rightValueNode = new TestValueNode(7);
-        final TestAdditionNode addNode = new TestAdditionNode(leftValueNode, rightValueNode);
-        final InstrumentationTestRootNode rootNode = new InstrumentationTestRootNode(addNode);
-        final TruffleRuntime runtime = Truffle.getRuntime();
-        final CallTarget callTarget = runtime.createCallTarget(rootNode);
-        return callTarget;
-    }
-
-    @Override
-    protected Object findExportedSymbol(Object context, String globalName, boolean onlyExplicit) {
-        return null;
-    }
-
-    @Override
-    protected Object getLanguageGlobal(Object context) {
-        return null;
-    }
-
-    @Override
-    protected boolean isObjectOfLanguage(Object object) {
-        return false;
-    }
-
-    @Override
-    protected Visualizer getVisualizer() {
-        return null;
-    }
-
-    @Override
-    protected ASTProber getDefaultASTProber() {
-        return prober;
-    }
-
-    @Override
-    protected boolean isInstrumentable(Node node) {
-        return node instanceof TestAdditionNode || node instanceof TestValueNode;
-    }
-
-    @Override
-    protected WrapperNode createWrapperNode(Node node) {
-        if (isInstrumentable(node)) {
-            return new TestLanguageWrapperNode((TestLanguageNode) node);
-        }
-        return null;
-    }
-
-    @SuppressWarnings("deprecation")
-    @Override
-    protected void enableASTProbing(ASTProber astProber) {
-        throw new UnsupportedOperationException();
-    }
-
-    @Override
-    protected Object evalInContext(Source source, Node node, MaterializedFrame mFrame) throws IOException {
-        return null;
-    }
-
-    @Override
-    protected AdvancedInstrumentRootFactory createAdvancedInstrumentRootFactory(String expr, AdvancedInstrumentResultListener resultListener) throws IOException {
-        return null;
-    }
-
-    @SuppressWarnings("deprecation")
-    @Override
-    protected ToolSupportProvider getToolSupport() {
-        throw new UnsupportedOperationException();
-    }
-
-    @SuppressWarnings("deprecation")
-    @Override
-    protected DebugSupportProvider getDebugSupport() {
-        throw new UnsupportedOperationException();
-    }
-
-    @Override
-    protected Object createContext(Env env) {
-        return null;
-    }
-
-    static final class TestASTProber implements ASTProber {
-
-        public void probeAST(final Instrumenter instrumenter, Node startNode) {
-            startNode.accept(new NodeVisitor() {
-
-                @Override
-                public boolean visit(Node node) {
-                    if (node instanceof TestLanguageNode) {
-
-                        final TestLanguageNode testNode = (TestLanguageNode) node;
-
-                        if (node instanceof TestValueNode) {
-                            instrumenter.probe(testNode).tagAs(VALUE_TAG, null);
-
-                        } else if (node instanceof TestAdditionNode) {
-                            instrumenter.probe(testNode).tagAs(ADD_TAG, null);
-
-                        }
-                    }
-                    return true;
-                }
-            });
-        }
-    }
-
-    abstract static class TestLanguageNode extends Node {
-        public abstract Object execute(VirtualFrame vFrame);
-
-        @SuppressWarnings("deprecation")
-        @Override
-        public boolean isInstrumentable() {
-            throw new UnsupportedOperationException();
-        }
-
-        @SuppressWarnings("deprecation")
-        @Override
-        public WrapperNode createWrapperNode() {
-            throw new UnsupportedOperationException();
-        }
-    }
-
-    @NodeInfo(cost = NodeCost.NONE)
-    static class TestLanguageWrapperNode extends TestLanguageNode implements WrapperNode {
-        @Child private TestLanguageNode child;
-        @Child private ProbeNode probeNode;
-
-        public TestLanguageWrapperNode(TestLanguageNode child) {
-            assert !(child instanceof TestLanguageWrapperNode);
-            this.child = child;
-        }
-
-        @Override
-        public String instrumentationInfo() {
-            return "Wrapper node for testing";
-        }
-
-        @Override
-        public boolean isInstrumentable() {
-            return false;
-        }
-
-        @Override
-        public void insertProbe(ProbeNode newProbeNode) {
-            this.probeNode = newProbeNode;
-        }
-
-        @Override
-        public Probe getProbe() {
-            return probeNode.getProbe();
-        }
-
-        @Override
-        public Node getChild() {
-            return child;
-        }
-
-        @Override
-        public Object execute(VirtualFrame vFrame) {
-            probeNode.enter(child, vFrame);
-            Object result;
-            try {
-                result = child.execute(vFrame);
-                probeNode.returnValue(child, vFrame, result);
-            } catch (KillException e) {
-                throw (e);
-            } catch (Exception e) {
-                probeNode.returnExceptional(child, vFrame, e);
-                throw (e);
-            }
-            return result;
-        }
-    }
-
-    /**
-     * A simple node for our test language to store a value.
-     */
-    static class TestValueNode extends TestLanguageNode {
-        private final int value;
-
-        public TestValueNode(int value) {
-            this.value = value;
-        }
-
-        @Override
-        public Object execute(VirtualFrame vFrame) {
-            return new Integer(this.value);
-        }
-    }
-
-    /**
-     * A node for our test language that adds up two {@link TestValueNode}s.
-     */
-    static class TestAdditionNode extends TestLanguageNode {
-        @Child private TestLanguageNode leftChild;
-        @Child private TestLanguageNode rightChild;
-
-        public TestAdditionNode(TestValueNode leftChild, TestValueNode rightChild) {
-            this.leftChild = insert(leftChild);
-            this.rightChild = insert(rightChild);
-        }
-
-        @Override
-        public Object execute(VirtualFrame vFrame) {
-            return new Integer(((Integer) leftChild.execute(vFrame)).intValue() + ((Integer) rightChild.execute(vFrame)).intValue());
-        }
-    }
-
-    /**
-     * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST
-     * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle
-     * completes an AST. The root nodes serves as our entry point into a program.
-     */
-    static class InstrumentationTestRootNode extends RootNode {
-        @Child private TestLanguageNode body;
-
-        /**
-         * This constructor emulates the global machinery that applies registered probers to every
-         * newly created AST. Global registry is not used, since that would interfere with other
-         * tests run in the same environment.
-         */
-        public InstrumentationTestRootNode(TestLanguageNode body) {
-            super(ToolTestingLanguage.class, null, null);
-            this.body = body;
-        }
-
-        @Override
-        public Object execute(VirtualFrame vFrame) {
-            return body.execute(vFrame);
-        }
-
-        @Override
-        public boolean isCloningAllowed() {
-            return true;
-        }
-
-        @Override
-        public void applyInstrumentation() {
-            super.applyInstrumentation(body);
-        }
-    }
-
-    /**
-     * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST
-     * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle
-     * completes an AST. The root nodes serves as our entry point into a program.
-     */
-    static class TestRootNode extends RootNode {
-        @Child private TestLanguageNode body;
-
-        final Instrumenter instrumenter;
-
-        /**
-         * This constructor emulates the global machinery that applies registered probers to every
-         * newly created AST. Global registry is not used, since that would interfere with other
-         * tests run in the same environment.
-         */
-        public TestRootNode(TestLanguageNode body, Instrumenter instrumenter) {
-            super(ToolTestingLanguage.class, null, null);
-            this.instrumenter = instrumenter;
-            this.body = body;
-        }
-
-        @Override
-        public Object execute(VirtualFrame vFrame) {
-            return body.execute(vFrame);
-        }
-
-        @Override
-        public boolean isCloningAllowed() {
-            return true;
-        }
-
-        @Override
-        public void applyInstrumentation() {
-            Method method;
-            try {
-                method = Instrumenter.class.getDeclaredMethod("applyInstrumentation", Node.class);
-                method.setAccessible(true);
-                method.invoke(instrumenter, body);
-            } catch (NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
-                throw new RuntimeException("InstrumentationTestNodes");
-            }
-        }
-    }
-
-}
--- a/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/TruffleToolTest.java	Sat Sep 19 13:25:41 2015 -0700
+++ b/truffle/com.oracle.truffle.tools.test/src/com/oracle/truffle/tools/test/TruffleToolTest.java	Sat Sep 19 13:26:06 2015 -0700
@@ -27,10 +27,13 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
+import java.lang.reflect.Field;
+
 import org.junit.Test;
 
 import com.oracle.truffle.api.instrument.InstrumentationTool;
 import com.oracle.truffle.api.instrument.Instrumenter;
+import com.oracle.truffle.api.vm.TruffleVM;
 
 /**
  * Test the basic life cycle properties shared by all instances of {@link InstrumentationTool}.
@@ -39,7 +42,7 @@
 
     @Test
     public void testEmptyLifeCycle() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
+        final Instrumenter instrumenter = getInstrumenter();
         final DummyTruffleTool tool = new DummyTruffleTool();
         assertFalse(tool.isEnabled());
         tool.install(instrumenter);
@@ -78,7 +81,7 @@
 
     @Test(expected = IllegalStateException.class)
     public void testAlreadyInstalled() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
+        final Instrumenter instrumenter = getInstrumenter();
         final DummyTruffleTool tool = new DummyTruffleTool();
         tool.install(instrumenter);
         tool.install(instrumenter);
@@ -86,7 +89,7 @@
 
     @Test(expected = IllegalStateException.class)
     public void testAlreadyDisposed1() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
+        final Instrumenter instrumenter = getInstrumenter();
         final DummyTruffleTool tool = new DummyTruffleTool();
         tool.install(instrumenter);
         tool.dispose();
@@ -95,7 +98,7 @@
 
     @Test(expected = IllegalStateException.class)
     public void testAlreadyDisposed2() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
+        final Instrumenter instrumenter = getInstrumenter();
         final DummyTruffleTool tool = new DummyTruffleTool();
         tool.install(instrumenter);
         tool.dispose();
@@ -104,7 +107,7 @@
 
     @Test(expected = IllegalStateException.class)
     public void testAlreadyDisposed3() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
+        final Instrumenter instrumenter = getInstrumenter();
         final DummyTruffleTool tool = new DummyTruffleTool();
         tool.install(instrumenter);
         tool.dispose();
@@ -113,13 +116,21 @@
 
     @Test(expected = IllegalStateException.class)
     public void testAlreadyDisposed4() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
-        final Instrumenter instrumenter = TestNodes.createInstrumenter();
+        final Instrumenter instrumenter = getInstrumenter();
         final DummyTruffleTool tool = new DummyTruffleTool();
         tool.install(instrumenter);
         tool.dispose();
         tool.dispose();
     }
 
+    private static Instrumenter getInstrumenter() throws NoSuchFieldException, IllegalAccessException {
+        final TruffleVM vm = TruffleVM.newVM().build();
+        final Field field = TruffleVM.class.getDeclaredField("instrumenter");
+        field.setAccessible(true);
+        final Instrumenter instrumenter = (Instrumenter) field.get(vm);
+        return instrumenter;
+    }
+
     private static final class DummyTruffleTool extends InstrumentationTool {
 
         @Override