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 24 /* 25 * @test 26 * @bug 8135068 27 * @summary Tests CompilerCommand's method matcher 28 * @modules java.base/jdk.internal.misc 29 * @library /testlibrary /test/lib / 30 * 31 * @build compiler.compilercontrol.matcher.MethodMatcherTest 32 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI compiler.compilercontrol.matcher.MethodMatcherTest 36 */ 37 38 package compiler.compilercontrol.matcher; 39 40 import compiler.compilercontrol.share.method.MethodDescriptor; 41 import compiler.compilercontrol.share.method.MethodGenerator; 42 import compiler.compilercontrol.share.pool.PoolHelper; 43 import jdk.test.lib.Pair; 44 import sun.hotspot.WhiteBox; 45 46 import java.lang.reflect.Executable; 47 import java.util.ArrayList; 48 import java.util.List; 49 import java.util.concurrent.Callable; 50 import java.util.regex.Matcher; 51 import java.util.regex.Pattern; 52 53 public class MethodMatcherTest { 54 private static final WhiteBox WB = WhiteBox.getWhiteBox(); 55 private static final PoolHelper POOL = new PoolHelper(); 56 private static final List<Pair<Executable, Callable<?>>> METHODS = 57 POOL.getAllMethods(); 58 private static final int AMOUNT = Integer.parseInt(System 59 .getProperty("test.amount", "25")); 60 61 public static void main(String[] args) { 62 MethodGenerator gen = new MethodGenerator(); 63 List<Pair<Executable, Callable<?>>> testMethods = 64 POOL.getAllMethods(PoolHelper.METHOD_FILTER); 65 for (Pair<Executable, Callable<?>> pair : testMethods) { 66 for (int i = 0; i < AMOUNT; i++) { 67 MethodDescriptor md = gen.generateRandomDescriptor(pair.first); 68 check(md); 69 } 70 } 71 } 72 73 /** 74 * Check method matcher with given test case 75 * 76 * @param methodDescriptor method descriptor to check matcher's pattern 77 */ 78 private static void check(MethodDescriptor methodDescriptor) { 79 System.out.println("Test case: " + methodDescriptor.getString()); 80 System.out.println("Regex: " + methodDescriptor.getRegexp()); 81 Pattern pattern = Pattern.compile(methodDescriptor.getRegexp()); 82 boolean isValidDesc = methodDescriptor.isValid(); 83 List<MethodDescriptor> failList = new ArrayList<>(); 84 // walk through all methods in pool to check match with test pattern 85 for (Pair<Executable, Callable<?>> pair : METHODS) { 86 MethodDescriptor m = MethodGenerator.commandDescriptor(pair.first); 87 Matcher matcher = pattern.matcher(m.getCanonicalString()); 88 // get expected result 89 MatcherResult expected; 90 if (isValidDesc) { 91 expected = matcher.matches() ? 92 MatcherResult.MATCH : MatcherResult.NO_MATCH; 93 } else { 94 expected = MatcherResult.PARSING_FAILURE; 95 } 96 // get MethodMatcher's result 97 MatcherResult matchResult = MatcherResult.fromCode(WB.matchesMethod( 98 pair.first, methodDescriptor.getString())); 99 // compare 100 if (matchResult != expected) { 101 System.out.printf("- Method: %s%n-- FAILED: result: %s, " + 102 "but expected: %s%n", m.getCanonicalString(), 103 matchResult, expected); 104 failList.add(m); 105 } 106 } 107 int size = failList.size(); 108 if (size != 0) { 109 System.err.println("FAILED test case: " + methodDescriptor 110 .getString()); 111 if (size == METHODS.size()) { 112 System.err.println("-- All methods failed to match"); 113 } else { 114 for (MethodDescriptor md : failList) { 115 System.err.println("-- FAILED match: " + md.getString()); 116 } 117 } 118 throw new AssertionError("FAIL: " + methodDescriptor.getString()); 119 } 120 System.out.println("--PASSED"); 121 } 122 123 /** 124 * Represents MethodMatcher's matching result 125 */ 126 public enum MatcherResult { 127 PARSING_FAILURE(-1, "Parsing failed"), 128 NO_MATCH(0, "No match"), 129 MATCH(1, "Match"); 130 131 public final int code; 132 private final String message; 133 134 private MatcherResult(int code, String message) { 135 this.code = code; 136 this.message = message; 137 } 138 139 public static MatcherResult fromCode(int code) { 140 switch (code) { 141 case -1: return PARSING_FAILURE; 142 case 0: return NO_MATCH; 143 case 1: return MATCH; 144 default: 145 throw new IllegalArgumentException("MATCHER FAILURE:" 146 + "Wrong code: " + code); 147 } 148 } 149 150 @Override 151 public String toString() { 152 return message; 153 } 154 } 155 }