1 /* 2 * Copyright (c) 2007, 2012, 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.jtt.JTTTest; 28 29 /* 30 */ 31 public class BC_instanceof extends JTTTest { 32 33 private static class TestClass { 34 } 35 36 static Object object2 = new Object(); 37 static Object object3 = ""; 38 static Object object4 = new TestClass(); 39 40 public static boolean test(int arg) { 41 Object obj; 42 if (arg == 2) { 43 obj = object2; 44 } else if (arg == 3) { 45 obj = object3; 46 } else if (arg == 4) { 47 obj = object4; 48 } else { 49 obj = null; 50 } 51 return obj instanceof TestClass; 52 } 53 54 @Test 55 public void run0() throws Throwable { 56 runTest("test", 0); 57 } 58 59 @Test 60 public void run1() throws Throwable { 61 runTest("test", 1); 62 } 63 64 @Test 65 public void run2() throws Throwable { 66 runTest("test", 2); 67 } 68 69 @Test 70 public void run3() throws Throwable { 71 runTest("test", 3); 72 } 73 74 @Test 75 public void run4() throws Throwable { 76 runTest("test", 4); 77 } 78 79 // Checkstyle: stop 80 // Need to stop checkstyle due to empty if constructs. 81 public static boolean testEmpty(Object obj) { 82 if (obj instanceof TestClass) { 83 } 84 85 if (!(obj instanceof TestClass)) { 86 } 87 return true; 88 } 89 // Checkstyle: resume 90 91 @Test 92 public void run5() throws Throwable { 93 runTest("testEmpty", object2); 94 } 95 }