1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.jtt.bytecode; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.core.phases.HighTier; 28 import org.graalvm.compiler.jtt.JTTTest; 29 import org.graalvm.compiler.options.OptionValue; 30 import org.graalvm.compiler.options.OptionValue.OverrideScope; 31 import org.graalvm.compiler.phases.tiers.Suites; 32 33 /** 34 * Tests the instanceof works, when casting an array of interface. 35 */ 36 public class BC_instanceof01 extends JTTTest { 37 38 public interface IObject { 39 40 } 41 42 public interface IDerivedObject extends IObject { 43 44 } 45 46 private static class BaseClass { 47 48 } 49 50 private static class TestClass extends BaseClass implements IObject { 51 } 52 53 private static class DerivedTestClass extends BaseClass implements IDerivedObject { 54 55 } 56 57 static TestClass[] a1 = {new TestClass()}; 58 static DerivedTestClass[] a2 = {new DerivedTestClass()}; 59 60 public static BaseClass[] getBaseClassArray() { 61 return a1; 62 } 63 64 public static BaseClass[] getDerivedBaseClassArray() { 65 return a2; 66 } 67 68 public static boolean test() { 69 return getBaseClassArray() instanceof IObject[]; 70 } 71 72 public static int testConditionalElimination() { 73 BaseClass[] result = getDerivedBaseClassArray(); 74 if (result instanceof IDerivedObject[]) { 75 if (result instanceof IObject[]) { 76 return 1; 77 } else { 78 return 2; 79 } 80 } else { 81 return 3; 82 } 83 } 84 85 @Test 86 public void run0() throws Throwable { 87 runTest("test"); 88 } 89 90 @Override 91 @SuppressWarnings("try") 92 protected Suites getSuites() { 93 try (OverrideScope scope = OptionValue.override(HighTier.Options.Inline, false)) { 94 return super.getSuites(); 95 } 96 } 97 98 @Test 99 public void run1() throws Throwable { 100 runTest("testConditionalElimination"); 101 } 102 }