Mercurial > hg > graal-jvmci-8
view graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/instrument/AdvancedInstrumentTest.java @ 21355:442b57a7f208
Truffle/Instrumentation: change the signature for creation of Advanced instruments, refactor how the callback listener is managed.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Tue, 12 May 2015 16:06:00 -0700 |
parents | 575032310b2c |
children | e34bc00733d1 |
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/* * Copyright (c) 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. * * 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.api.test.instrument; import static org.junit.Assert.*; import org.junit.*; import com.oracle.truffle.api.*; import com.oracle.truffle.api.instrument.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.api.test.instrument.InstrumentationTestNodes.TestAdditionNode; import com.oracle.truffle.api.test.instrument.InstrumentationTestNodes.TestRootNode; import com.oracle.truffle.api.test.instrument.InstrumentationTestNodes.TestValueNode; import com.oracle.truffle.api.test.instrument.InstrumentationTestNodes.TestAdvancedInstrumentCounterRoot; /** * Tests the kind of instrumentation where a client can provide an AST fragment to be * <em>spliced</em> directly into the AST. */ public class AdvancedInstrumentTest { @Test public void testAdvancedInstrumentListener() { // Create a simple addition AST final TruffleRuntime runtime = Truffle.getRuntime(); final TestValueNode leftValueNode = new TestValueNode(6); final TestValueNode rightValueNode = new TestValueNode(7); final TestAdditionNode addNode = new TestAdditionNode(leftValueNode, rightValueNode); final TestRootNode rootNode = new TestRootNode(addNode); final CallTarget callTarget1 = runtime.createCallTarget(rootNode); // Ensure it executes correctly assertEquals(13, callTarget1.call()); // Probe the addition node final Probe probe = addNode.probe(); assertEquals(13, callTarget1.call()); // Attach a null factory; it never actually attaches a node. final Instrument instrument = Instrument.create(null, new AdvancedInstrumentRootFactory() { public AdvancedInstrumentRoot createInstrumentRoot(Probe p, Node n) { return null; } }, "test AdvancedInstrument"); probe.attach(instrument); assertEquals(13, callTarget1.call()); final TestAdvancedInstrumentCounterRoot counter = new TestAdvancedInstrumentCounterRoot(); // Attach a factory that splices an execution counter into the AST. probe.attach(Instrument.create(null, new AdvancedInstrumentRootFactory() { public AdvancedInstrumentRoot createInstrumentRoot(Probe p, Node n) { return counter; } }, "test AdvancedInstrument")); assertEquals(0, counter.getCount()); assertEquals(13, callTarget1.call()); assertEquals(1, counter.getCount()); } }