author | dholmes |
Sun, 03 Nov 2019 18:02:29 -0500 | |
changeset 58901 | 2700c409ff10 |
parent 58299 | 6df94ce3ab2f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package org.graalvm.compiler.hotspot.test; |
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import java.lang.invoke.ConstantCallSite; |
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import java.lang.invoke.MethodHandles; |
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import java.lang.invoke.MethodType; |
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import org.graalvm.compiler.api.directives.GraalDirectives; |
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import org.graalvm.compiler.api.replacements.MethodSubstitution; |
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import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; |
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import org.graalvm.compiler.hotspot.HotSpotBackend; |
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import org.graalvm.compiler.nodes.IfNode; |
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import org.graalvm.compiler.replacements.test.MethodSubstitutionTest; |
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import org.junit.Test; |
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/** |
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* Tests HotSpot specific {@link MethodSubstitution}s. |
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*/ |
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public class HotSpotMethodSubstitutionTest extends MethodSubstitutionTest { |
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@Test |
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public void testObjectSubstitutions() { |
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TestClassA obj = new TestClassA(); |
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testGraph("getClass0"); |
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testGraph("objectHashCode"); |
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test("getClass0", "a string"); |
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test("objectHashCode", obj); |
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testGraph("objectNotify", "Object.notify"); |
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testGraph("objectNotifyAll", "Object.notifyAll"); |
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synchronized (obj) { |
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test("objectNotify", obj); |
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test("objectNotifyAll", obj); |
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} |
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// Test with IllegalMonitorStateException (no synchronized block) |
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test("objectNotify", obj); |
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test("objectNotifyAll", obj); |
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} |
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@SuppressWarnings("all") |
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public static Class<?> getClass0(Object obj) { |
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return obj.getClass(); |
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} |
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@SuppressWarnings("all") |
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public static int objectHashCode(TestClassA obj) { |
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return obj.hashCode(); |
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} |
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@SuppressWarnings("all") |
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public static void objectNotify(Object obj) { |
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obj.notify(); |
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} |
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@SuppressWarnings("all") |
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public static void objectNotifyAll(Object obj) { |
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obj.notifyAll(); |
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} |
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@Test |
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public void testClassSubstitutions() { |
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testGraph("getModifiers"); |
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testGraph("isInterface"); |
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testGraph("isArray"); |
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testGraph("isPrimitive"); |
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testGraph("getSuperClass"); |
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testGraph("getComponentType"); |
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for (Class<?> c : new Class<?>[]{getClass(), Cloneable.class, int[].class, String[][].class}) { |
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test("getModifiers", c); |
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test("isInterface", c); |
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test("isArray", c); |
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test("isPrimitive", c); |
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test("getSuperClass", c); |
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test("getComponentType", c); |
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} |
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} |
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@SuppressWarnings("all") |
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public static int getModifiers(Class<?> clazz) { |
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return clazz.getModifiers(); |
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} |
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@SuppressWarnings("all") |
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public static boolean isInterface(Class<?> clazz) { |
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return clazz.isInterface(); |
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} |
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@SuppressWarnings("all") |
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public static boolean isArray(Class<?> clazz) { |
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return clazz.isArray(); |
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} |
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@SuppressWarnings("all") |
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public static boolean isPrimitive(Class<?> clazz) { |
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return clazz.isPrimitive(); |
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} |
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@SuppressWarnings("all") |
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public static Class<?> getSuperClass(Class<?> clazz) { |
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return clazz.getSuperclass(); |
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} |
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@SuppressWarnings("all") |
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public static Class<?> getComponentType(Class<?> clazz) { |
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return clazz.getComponentType(); |
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} |
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@Test |
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public void testThreadSubstitutions() { |
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GraalHotSpotVMConfig config = ((HotSpotBackend) getBackend()).getRuntime().getVMConfig(); |
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testGraph("currentThread"); |
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if (config.osThreadInterruptedOffset != Integer.MAX_VALUE) { |
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assertInGraph(testGraph("threadIsInterrupted", "isInterrupted", true), IfNode.class); |
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assertInGraph(testGraph("threadInterrupted", "isInterrupted", true), IfNode.class); |
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} |
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Thread currentThread = Thread.currentThread(); |
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test("currentThread", currentThread); |
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if (config.osThreadInterruptedOffset != Integer.MAX_VALUE) { |
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test("threadIsInterrupted", currentThread); |
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} |
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} |
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@SuppressWarnings("all") |
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public static boolean currentThread(Thread other) { |
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return Thread.currentThread() == other; |
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} |
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@SuppressWarnings("all") |
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public static boolean threadIsInterrupted(Thread thread) { |
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return thread.isInterrupted(); |
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} |
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@SuppressWarnings("all") |
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public static boolean threadInterrupted() { |
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return Thread.interrupted(); |
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} |
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@Test |
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public void testSystemSubstitutions() { |
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testGraph("systemTime"); |
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testGraph("systemIdentityHashCode"); |
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for (Object o : new Object[]{this, new int[5], new String[2][], new Object()}) { |
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test("systemIdentityHashCode", o); |
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} |
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} |
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@SuppressWarnings("all") |
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public static long systemTime() { |
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return System.currentTimeMillis() + System.nanoTime(); |
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} |
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@SuppressWarnings("all") |
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public static int systemIdentityHashCode(Object obj) { |
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return System.identityHashCode(obj); |
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} |
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private static class TestClassA { |
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} |
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public static String testCallSiteGetTargetSnippet(int i) throws Exception { |
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ConstantCallSite site; |
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MethodHandles.Lookup lookup = MethodHandles.lookup(); |
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switch (i) { |
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case 1: |
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site = GraalDirectives.opaque(new ConstantCallSite(lookup.findVirtual(String.class, "replace", MethodType.methodType(String.class, char.class, char.class)))); |
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break; |
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default: |
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site = GraalDirectives.opaque(new ConstantCallSite(lookup.findStatic(java.util.Arrays.class, "asList", MethodType.methodType(java.util.List.class, Object[].class)))); |
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} |
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return site.getTarget().toString(); |
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} |
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public static String testCastSnippet(int i, Object obj) throws Exception { |
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Class<?> c; |
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switch (i) { |
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case 1: |
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c = GraalDirectives.opaque(Number.class); |
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break; |
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default: |
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c = GraalDirectives.opaque(Integer.class); |
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break; |
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} |
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return c.cast(obj).toString(); |
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} |
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public static String testGetClassSnippet(int i) { |
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Object c; |
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switch (i) { |
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case 1: |
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c = GraalDirectives.opaque(new Object()); |
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break; |
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default: |
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c = GraalDirectives.opaque("TEST"); |
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break; |
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} |
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return c.getClass().toString(); |
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} |
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/** |
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* Tests ambiguous receiver of CallSite.getTarget. |
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*/ |
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@Test |
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public void testCallSiteGetTarget() { |
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test("testCallSiteGetTargetSnippet", 1); |
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} |
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/** |
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* Tests ambiguous receiver of Class.cast. |
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*/ |
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@Test |
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public void testCast() { |
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test("testCastSnippet", 1, Integer.valueOf(1)); |
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} |
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/** |
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* Tests ambiguous receiver of Object.getClass. |
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*/ |
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@Test |
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public void testGetClass() { |
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test("testGetClassSnippet", 1); |
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} |
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} |