1/* 2 * Copyright (c) 2011, 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 24/** 25 * @test 26 * @bug 7046348 27 * @summary Regression: javac complains of missing classfile for a seemingly unrelated interface 28 * @modules java.compiler 29 * jdk.compiler 30 */ 31 32import java.io.File; 33import java.net.URI; 34import java.util.Arrays; 35import java.util.List; 36 37import javax.tools.Diagnostic; 38import javax.tools.DiagnosticListener; 39import javax.tools.JavaCompiler; 40import javax.tools.JavaCompiler.CompilationTask; 41import javax.tools.JavaFileObject; 42import javax.tools.SimpleJavaFileObject; 43import javax.tools.ToolProvider; 44 45public class EagerInterfaceCompletionTest { 46 47 JavaCompiler javacTool; 48 File testDir; 49 VersionKind versionKind; 50 HierarchyKind hierarchyKind; 51 TestKind testKind; 52 ActionKind actionKind; 53 54 EagerInterfaceCompletionTest(JavaCompiler javacTool, File testDir, VersionKind versionKind, 55 HierarchyKind hierarchyKind, TestKind testKind, ActionKind actionKind) { 56 this.javacTool = javacTool; 57 this.versionKind = versionKind; 58 this.hierarchyKind = hierarchyKind; 59 this.testDir = testDir; 60 this.testKind = testKind; 61 this.actionKind = actionKind; 62 } 63 64 void test() { 65 testDir.mkdirs(); 66 compile(null, hierarchyKind.source); 67 actionKind.doAction(this); 68 DiagnosticChecker dc = new DiagnosticChecker(); 69 compile(dc, testKind.source); 70 if (testKind.completionFailure(versionKind, actionKind, hierarchyKind) != dc.errorFound) { 71 if (dc.errorFound) { 72 error("Unexpected completion failure" + 73 "\nhierarhcyKind " + hierarchyKind + 74 "\ntestKind " + testKind + 75 "\nactionKind " + actionKind); 76 } else { 77 error("Missing completion failure " + 78 "\nhierarhcyKind " + hierarchyKind + 79 "\ntestKind " + testKind + 80 "\nactionKind " + actionKind); 81 } 82 } 83 } 84 85 void compile(DiagnosticChecker dc, JavaSource... sources) { 86 try { 87 CompilationTask ct = javacTool.getTask(null, null, dc, 88 Arrays.asList("-d", testDir.getAbsolutePath(), "-cp", 89 testDir.getAbsolutePath(), versionKind.optsArr[0], versionKind.optsArr[1]), 90 null, Arrays.asList(sources)); 91 ct.call(); 92 } 93 catch (Exception e) { 94 e.printStackTrace(); 95 error("Internal compilation error"); 96 } 97 } 98 99 void removeClass(String classToRemoveStr) { 100 File classToRemove = new File(testDir, classToRemoveStr); 101 if (!classToRemove.exists()) { 102 error("Expected file " + classToRemove + " does not exists in folder " + testDir); 103 } 104 classToRemove.delete(); 105 }; 106 107 void error(String msg) { 108 System.err.println(msg); 109 nerrors++; 110 } 111 112 class DiagnosticChecker implements DiagnosticListener<JavaFileObject> { 113 114 boolean errorFound = false; 115 116 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { 117 if (diagnostic.getKind() == Diagnostic.Kind.ERROR) { 118 errorFound = true; 119 } 120 } 121 } 122 123 //global declarations 124 125 enum VersionKind { 126 PRE_LAMBDA("-source", "7"), 127 LAMBDA("-source", "8"); 128 129 String[] optsArr; 130 131 VersionKind(String... optsArr) { 132 this.optsArr = optsArr; 133 } 134 } 135 136 enum HierarchyKind { 137 INTERFACE("interface A { boolean f = false; void m(); }\n" + 138 "class B implements A { public void m() {} }"), 139 CLASS("class A { boolean f; void m() {} }\n" + 140 "class B extends A { void m() {} }"), 141 ABSTRACT_CLASS("abstract class A { boolean f; abstract void m(); }\n" + 142 "class B extends A { void m() {} }"); 143 144 JavaSource source; 145 146 private HierarchyKind(String code) { 147 this.source = new JavaSource("Test1.java", code); 148 } 149 } 150 151 enum ActionKind { 152 REMOVE_A("A.class"), 153 REMOVE_B("B.class"); 154 155 String classFile; 156 157 private ActionKind(String classFile) { 158 this.classFile = classFile; 159 } 160 161 void doAction(EagerInterfaceCompletionTest test) { 162 test.removeClass(classFile); 163 }; 164 } 165 166 enum TestKind { 167 ACCESS_ONLY("class C { B b; }"), 168 SUPER("class C extends B {}"), 169 METHOD("class C { void test(B b) { b.m(); } }"), 170 FIELD("class C { void test(B b) { boolean b2 = b.f; } }"), 171 CONSTR("class C { void test() { new B(); } }"); 172 173 JavaSource source; 174 175 private TestKind(final String code) { 176 this.source = new JavaSource("Test2.java", code); 177 } 178 179 boolean completionFailure(VersionKind vk, ActionKind ak, HierarchyKind hk) { 180 switch (this) { 181 case ACCESS_ONLY: 182 case CONSTR: return ak == ActionKind.REMOVE_B; 183 case FIELD: 184 case SUPER: return true; 185 case METHOD: return hk != HierarchyKind.INTERFACE || ak == ActionKind.REMOVE_B || 186 (hk == HierarchyKind.INTERFACE && ak == ActionKind.REMOVE_A); 187 default: throw new AssertionError("Unexpected test kind " + this); 188 } 189 } 190 } 191 192 public static void main(String[] args) throws Exception { 193 String SCRATCH_DIR = System.getProperty("user.dir"); 194 JavaCompiler javacTool = ToolProvider.getSystemJavaCompiler(); 195 int n = 0; 196 for (VersionKind versionKind : VersionKind.values()) { 197 for (HierarchyKind hierarchyKind : HierarchyKind.values()) { 198 for (TestKind testKind : TestKind.values()) { 199 for (ActionKind actionKind : ActionKind.values()) { 200 File testDir = new File(SCRATCH_DIR, "test"+n); 201 new EagerInterfaceCompletionTest(javacTool, testDir, versionKind, 202 hierarchyKind, testKind, actionKind).test(); 203 n++; 204 } 205 } 206 } 207 } 208 if (nerrors > 0) { 209 throw new AssertionError("Some errors have been detected"); 210 } 211 } 212 213 static class JavaSource extends SimpleJavaFileObject { 214 215 String source; 216 217 public JavaSource(String filename, String source) { 218 super(URI.create("myfo:/" + filename), JavaFileObject.Kind.SOURCE); 219 this.source = source; 220 } 221 222 @Override 223 public CharSequence getCharContent(boolean ignoreEncodingErrors) { 224 return source; 225 } 226 } 227 228 static int nerrors = 0; 229} 230