1 /* 2 * Copyright (c) 2017, 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 24 /** 25 * @test 26 * @modules java.base/jdk.internal.module 27 * @run testng ClassFileVersionsTest 28 * @summary Test parsing of module-info.class with different class file versions 29 */ 30 31 import java.lang.module.InvalidModuleDescriptorException; 32 import java.lang.module.ModuleDescriptor; 33 import java.lang.module.ModuleDescriptor.Requires.Modifier; 34 import java.nio.ByteBuffer; 35 import java.util.Set; 36 37 import static java.lang.module.ModuleDescriptor.Requires.Modifier.*; 38 39 import jdk.internal.module.ModuleInfoWriter; 40 41 import org.testng.annotations.DataProvider; 42 import org.testng.annotations.Test; 43 import static org.testng.Assert.*; 44 45 public class ClassFileVersionsTest { 46 47 // major, minor, modifiers for requires java.base 48 @DataProvider(name = "supported") 49 public Object[][] supported() { 50 return new Object[][]{ 51 { 53, 0, Set.of() }, // JDK 9 52 { 53, 0, Set.of(STATIC) }, 53 { 53, 0, Set.of(TRANSITIVE) }, 54 { 53, 0, Set.of(STATIC, TRANSITIVE) }, 55 56 { 54, 0, Set.of() }, // JDK 10 57 { 55, 0, Set.of() }, // JDK 11 58 { 56, 0, Set.of() }, // JDK 12 59 { 57, 0, Set.of() }, // JDK 13 60 }; 61 } 62 63 // major, minor, modifiers for requires java.base 64 @DataProvider(name = "unsupported") 65 public Object[][] unsupported() { 66 return new Object[][]{ 67 { 50, 0, Set.of()}, // JDK 6 68 { 51, 0, Set.of()}, // JDK 7 69 { 52, 0, Set.of()}, // JDK 8 70 71 { 54, 0, Set.of(STATIC) }, // JDK 10 72 { 54, 0, Set.of(TRANSITIVE) }, 73 { 54, 0, Set.of(STATIC, TRANSITIVE) }, 74 75 { 55, 0, Set.of(STATIC) }, // JDK 11 76 { 55, 0, Set.of(TRANSITIVE) }, 77 { 55, 0, Set.of(STATIC, TRANSITIVE) }, 78 79 { 56, 0, Set.of(STATIC) }, // JDK 12 80 { 56, 0, Set.of(TRANSITIVE) }, 81 { 56, 0, Set.of(STATIC, TRANSITIVE) }, 82 83 { 57, 0, Set.of(STATIC) }, // JDK 13 84 { 57, 0, Set.of(TRANSITIVE) }, 85 { 57, 0, Set.of(STATIC, TRANSITIVE) }, 86 87 { 58, 0, Set.of()}, // JDK 14 88 }; 89 } 90 91 @Test(dataProvider = "supported") 92 public void testSupported(int major, int minor, Set<Modifier> ms) { 93 ModuleDescriptor descriptor = ModuleDescriptor.newModule("foo") 94 .requires(ms, "java.base") 95 .build(); 96 ByteBuffer bb = ModuleInfoWriter.toByteBuffer(descriptor); 97 classFileVersion(bb, major, minor); 98 descriptor = ModuleDescriptor.read(bb); 99 assertEquals(descriptor.name(), "foo"); 100 } 101 102 @Test(dataProvider = "unsupported", 103 expectedExceptions = InvalidModuleDescriptorException.class) 104 public void testUnsupported(int major, int minor, Set<Modifier> ms) { 105 ModuleDescriptor descriptor = ModuleDescriptor.newModule("foo") 106 .requires(ms, "java.base") 107 .build(); 108 ByteBuffer bb = ModuleInfoWriter.toByteBuffer(descriptor); 109 classFileVersion(bb, major, minor); 110 111 // throws InvalidModuleDescriptorException 112 ModuleDescriptor.read(bb); 113 } 114 115 private void classFileVersion(ByteBuffer bb, int major, int minor) { 116 bb.putShort(4, (short) minor); 117 bb.putShort(6, (short) major); 118 } 119 }