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