# HG changeset patch
# User Andreas Woess <andreas.woess@jku.at>
# Date 1399038671 -7200
# Node ID dd95dff835f90bdb95ab56b6c98e07de3eb214bd
# Parent  fd18fa50a8e041a050ad37deb0825d1a290fe1f8
TruffleDSL: add class loading test

diff -r fd18fa50a8e0 -r dd95dff835f9 graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LazyClassLoadingTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LazyClassLoadingTest.java	Fri May 02 15:51:11 2014 +0200
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2014, 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.dsl.test;
+
+import java.lang.reflect.*;
+
+import org.junit.*;
+
+import com.oracle.truffle.api.dsl.*;
+import com.oracle.truffle.api.dsl.test.LazyClassLoadingTestFactory.TestNodeFactory;
+import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
+
+public class LazyClassLoadingTest {
+    @Test
+    public void test() {
+        String testClassName = getClass().getName();
+        String factoryClassName = testClassName + "Factory";
+        String nodeFactoryClassName = factoryClassName + "$TestNodeFactory";
+
+        Assert.assertFalse(isLoaded(factoryClassName + "$TestNode"));
+        Assert.assertFalse(isLoaded(nodeFactoryClassName));
+
+        NodeFactory<TestNode> factory = TestNodeFactory.getInstance();
+
+        Assert.assertTrue(isLoaded(nodeFactoryClassName));
+        Assert.assertFalse(isLoaded(nodeFactoryClassName + "$TestBaseNode"));
+
+        TestHelper.createRoot(factory);
+
+        Assert.assertTrue(isLoaded(nodeFactoryClassName + "$TestBaseNode"));
+        Assert.assertTrue(isLoaded(nodeFactoryClassName + "$TestUninitializedNode"));
+        Assert.assertFalse(isLoaded(nodeFactoryClassName + "$TestGenericNode"));
+    }
+
+    private boolean isLoaded(String className) {
+        ClassLoader classLoader = getClass().getClassLoader();
+        Method m;
+        try {
+            m = ClassLoader.class.getDeclaredMethod("findLoadedClass", String.class);
+            m.setAccessible(true);
+            return m.invoke(classLoader, className) != null;
+        } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @SuppressWarnings("unused")
+    @NodeChildren({@NodeChild("left"), @NodeChild("right")})
+    abstract static class TestNode extends ValueNode {
+        @Specialization(order = 1)
+        int add(int left, int right) {
+            return 42;
+        }
+
+        @Specialization(order = 2)
+        int add(boolean left, boolean right) {
+            return 21;
+        }
+
+        @Specialization(order = 4)
+        String add(boolean left, int right) {
+            return "(boolean,int)";
+        }
+    }
+}