1 /* 2 * Copyright (c) 2021, Alibaba Group Holding Limited. 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 */ 24 25 /* 26 * @test 27 * @author Yi Yang 28 * @summary Canonicalizes Foo.class.getModifiers() with interpreter mode 29 * @library /test/lib 30 * @enablePreview 31 * @run main/othervm -Xint 32 * -XX:CompileCommand=compileonly,*CanonicalizeGetModifiers.test 33 * compiler.c1.CanonicalizeGetModifiers 34 */ 35 36 /* 37 * @test 38 * @author Yi Yang 39 * @summary Canonicalizes Foo.class.getModifiers() with C1 mode 40 * @requires vm.compiler1.enabled 41 * @library /test/lib 42 * @enablePreview 43 * @run main/othervm -XX:TieredStopAtLevel=1 -XX:+TieredCompilation 44 * -XX:CompileCommand=compileonly,*CanonicalizeGetModifiers.test 45 * compiler.c1.CanonicalizeGetModifiers 46 */ 47 48 /* 49 * @test 50 * @author Yi Yang 51 * @summary Canonicalizes Foo.class.getModifiers() with C2 mode 52 * @requires vm.compiler2.enabled 53 * @library /test/lib 54 * @enablePreview 55 * @run main/othervm -XX:-TieredCompilation 56 * -XX:CompileCommand=compileonly,*CanonicalizeGetModifiers.test 57 * compiler.c1.CanonicalizeGetModifiers 58 */ 59 60 package compiler.c1; 61 62 import java.lang.reflect.Modifier; 63 import java.lang.reflect.AccessFlag; 64 65 import jdk.test.lib.Asserts; 66 67 public class CanonicalizeGetModifiers { 68 public static class T1 { 69 } 70 71 public static final class T2 { 72 } 73 74 private static class T3 { 75 } 76 77 protected static class T4 { 78 } 79 80 class T5 { 81 } 82 83 interface T6 { 84 } 85 86 static void test(Class poison) { 87 Asserts.assertEQ(CanonicalizeGetModifiers.class.getModifiers(), Modifier.PUBLIC | Modifier.IDENTITY); 88 Asserts.assertEQ(T1.class.getModifiers(), Modifier.PUBLIC | Modifier.STATIC | Modifier.IDENTITY); 89 Asserts.assertEQ(T2.class.getModifiers(), Modifier.PUBLIC | Modifier.FINAL | Modifier.STATIC | Modifier.IDENTITY); 90 Asserts.assertEQ(T3.class.getModifiers(), Modifier.PRIVATE | Modifier.STATIC | Modifier.IDENTITY); 91 Asserts.assertEQ(T4.class.getModifiers(), Modifier.PROTECTED | Modifier.STATIC | Modifier.IDENTITY); 92 Asserts.assertEQ(new CanonicalizeGetModifiers().new T5().getClass().getModifiers(), 0/* NONE */ | Modifier.IDENTITY); 93 Asserts.assertEQ(T6.class.getModifiers(), Modifier.ABSTRACT | Modifier.STATIC | Modifier.INTERFACE); 94 95 Asserts.assertEQ(int.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 96 Asserts.assertEQ(long.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 97 Asserts.assertEQ(double.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 98 Asserts.assertEQ(float.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 99 Asserts.assertEQ(char.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 100 Asserts.assertEQ(byte.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 101 Asserts.assertEQ(short.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 102 Asserts.assertEQ(void.class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 103 Asserts.assertEQ(int[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 104 Asserts.assertEQ(long[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 105 Asserts.assertEQ(double[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 106 Asserts.assertEQ(float[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 107 Asserts.assertEQ(char[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 108 Asserts.assertEQ(byte[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 109 Asserts.assertEQ(short[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 110 Asserts.assertEQ(Object[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 111 Asserts.assertEQ(CanonicalizeGetModifiers[].class.getModifiers(), Modifier.PUBLIC | Modifier.ABSTRACT | Modifier.FINAL); 112 113 Asserts.assertEQ(new CanonicalizeGetModifiers().getClass().getModifiers(), Modifier.PUBLIC | Modifier.IDENTITY); 114 Asserts.assertEQ(new T1().getClass().getModifiers(), Modifier.PUBLIC | Modifier.STATIC | Modifier.IDENTITY); 115 Asserts.assertEQ(new T2().getClass().getModifiers(), Modifier.PUBLIC | Modifier.FINAL | Modifier.STATIC | Modifier.IDENTITY); 116 Asserts.assertEQ(new T3().getClass().getModifiers(), Modifier.PRIVATE | Modifier.STATIC | Modifier.IDENTITY); 117 Asserts.assertEQ(new T4().getClass().getModifiers(), Modifier.PROTECTED | Modifier.STATIC | Modifier.IDENTITY); 118 try { 119 // null_check 120 poison.getModifiers(); 121 } catch(NullPointerException npe) { 122 // got it! 123 } 124 } 125 126 public static void main(String... args) { 127 for (int i = 0; i < 10_000; i++) { 128 test(i == 9999 ? null : CanonicalizeGetModifiers.class); 129 } 130 } 131 }