/* * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test MethodMatcherTest * @summary Testing of compiler/MethodMatcher * @bug 8135068 * @library /test/lib * @modules java.base/jdk.internal.misc * @build sun.hotspot.WhiteBox * @run driver ClassFileInstaller sun.hotspot.WhiteBox * sun.hotspot.WhiteBox$WhiteBoxPermission * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI * compiler.oracle.MethodMatcherTest */ package compiler.oracle; import sun.hotspot.WhiteBox; import java.lang.reflect.Method; import java.util.ArrayList; public class MethodMatcherTest { /** Instance of WhiteBox */ protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); Method helper; Method getDate; Method inner; Method toString; static final int MATCH = 1; static final int NO_MATCH = 0; static final int PARSING_FAILURE = -1; public MethodMatcherTest() { } public void test() throws Exception { // instantiate before calling getMethod on innerHelper TestCases testCases = new TestCases(); helper = getMethod(MethodMatcherTest.class, "helper"); getDate = getMethod(java.util.Date.class, "getDate"); inner = getMethod(TestCases.class, "innerHelper"); toString = getMethod(String.class, "toString"); testCases.add(helper, "pool/sub/Klass.method(I[Ljava/lang/String;Ljava/lang/Integer;[B[[D)V", NO_MATCH); // These should be improved to parsing failed in the future testCases.add(helper, "*Klass*,*$method*::", NO_MATCH); testCases.add(helper, "*Klass *+*", NO_MATCH); testCases.add(helper, "*Klass*::*method*", NO_MATCH); testCases.add(helper, "*,**", PARSING_FAILURE); testCases.add(helper, "*,*(I[Ljava/lang/String;Lj]ava/lang/Integer;[B[[D)V", PARSING_FAILURE); testCases.add(helper, "*,*)method*.", PARSING_FAILURE); testCases.add(helper, "{pool.subpack.Klass}* *", PARSING_FAILURE); testCases.add(helper, "*Klass met]hod/", PARSING_FAILURE); testCases.add(helper, "pool::su@%b::Klass* *)method.", PARSING_FAILURE); testCases.add(helper, "0pool/sub/Klass,*{method}*.(I[Ljava/lang/String;Lj]ava/lang/Integer;[B[[D)V", PARSING_FAILURE); testCases.add(helper, "*Klass nonexistent::)(I[Ljava/lang/String;Ljava/lang/Integer;[B[[D)V", PARSING_FAILURE); testCases.add(helper, "pool,su]b,Klass*,*)method*/", PARSING_FAILURE); testCases.add(helper, "_pool,sub,Klass*,met@%hod,(0)V", PARSING_FAILURE); testCases.add(helper, "*.*", MATCH); testCases.add(helper, "compiler/oracle/MethodMatcherTest.*", MATCH); testCases.add(helper, "compiler/oracle/MethodMatcherTest.helper", MATCH); testCases.add(helper, "compiler/oracle/MethodMatcherTest.helper()", MATCH); testCases.add(helper, "compiler/oracle/MethodMatcherTest.helper()V", MATCH); testCases.add(helper, "compiler/oracle/MethodMatcherTest.helper()V;", NO_MATCH); testCases.add(helper, "compiler/oracle/MethodMatcherTest.helper()I", NO_MATCH); testCases.add(helper, "compiler/oracle/MethodMatcherTest.helperX", NO_MATCH); testCases.add(helper, "compiler/oracle/MethodMatcherTest.helper;", NO_MATCH); testCases.add(helper, "abc.*", NO_MATCH); testCases.add(helper, "*.abc", NO_MATCH); testCases.add(getDate, "*.*", MATCH); testCases.add(getDate, "*.getDate", MATCH); testCases.add(getDate, "java/util/Date.getDate", MATCH); testCases.add(getDate, "java/util/Date.*", MATCH); testCases.add(inner, "*.*", MATCH); testCases.add(inner, "compiler/oracle/MethodMatcherTest$TestCases.innerHelper", MATCH); testCases.add(inner, "compiler/oracle/MethodMatcherTest*.innerHelper", MATCH); testCases.add(inner, "compiler/oracle/MethodMatcherTest$*.innerHelper", MATCH); testCases.add(inner, "*$TestCases.innerHelper", MATCH); testCases.add(inner, "*TestCases.innerHelper", MATCH); testCases.add(inner, "TestCases.innerHelper", NO_MATCH); testCases.add(inner, "compiler/oracle/MethodMatcherTest.innerHelper", NO_MATCH); testCases.add(toString, "*.*", MATCH); testCases.add(toString, "java/lang/String.toString", MATCH); testCases.add(toString, "java.lang.String::toString", MATCH); testCases.add(toString, "java/lang/String::toString", PARSING_FAILURE); testCases.add(toString, "java.lang/String::toString", PARSING_FAILURE); testCases.add(toString, "java.lang/String.toString", PARSING_FAILURE); testCases.add(toString, "java::lang::String::toString", PARSING_FAILURE); testCases.add(toString, "java/lang/String.toString(*)", PARSING_FAILURE); testCases.add(toString, "java/lang/String.toString(L*", PARSING_FAILURE); testCases.add(toString, "java/lang/String.toString*(lsd)l", NO_MATCH); testCases.add(toString, "java/lang/String.toString(lsd)l", NO_MATCH); testCases.add(toString, "java/lang/String.toString (", MATCH); testCases.add(toString, "java/lang/String.toString ()", MATCH); testCases.add(toString, "java/lang/String.toString ()L", MATCH); testCases.add(toString, "java/lang/String.toString ()Lj", MATCH); testCases.add(toString, "java/lang/String.toString ()Ls", NO_MATCH); testCases.add(toString, "java/lang/String.toString*(", MATCH); testCases.add(toString, "java/lang/String.toString* (", MATCH); testCases.add(toString, "java/lang/String.toString*(;", NO_MATCH); testCases.add(toString, "java/lang/String.toString*();sf", NO_MATCH); testCases.add(toString, "java/lang/String.toString*()Ljava/lang/String;", MATCH); testCases.add(toString, "java/lang/String.toString()Ljava/lang/String;", MATCH); testCases.add(toString, "java/lang/String.toString ()Ljava/lang/String;", MATCH); testCases.add(toString, "java/lang/String.toString ()Ljava/lang/String", MATCH); testCases.add(toString, "java/lang/String.toString ()L", MATCH); testCases.add(toString, "java/lang/String.toString ()I;", NO_MATCH); testCases.add(toString, "*Internal.*", NO_MATCH); testCases.add(toString, "*Internal.**", PARSING_FAILURE); testCases.add(toString, "*Internal.***", PARSING_FAILURE); testCases.add(toString, "*Internal.*a**", PARSING_FAILURE); testCases.add(toString, "*Internal.**a*", PARSING_FAILURE); testCases.add(toString, "java.lang.String::(Ljava/lang/String;)V", NO_MATCH); testCases.add(toString, "java.lang.String::(Ljava/lang/String;)V", NO_MATCH); testCases.add(toString, "java.lang.String::(Ljava/lang/String;)V", PARSING_FAILURE); testCases.add(toString, "java/lang/String.toString()Ljava/lang/String;", MATCH); testCases.add(toString, "java/lang/String.toString()Ljava/lang/String;", PARSING_FAILURE); testCases.add(toString, "java/lang/.toString()Ljava/lang/String;", PARSING_FAILURE); testCases.add(toString, "java/lang/.toString()Ljava/lang/String;", PARSING_FAILURE); int failures = 0; for (TestCase t : testCases) { System.out.println("Test case: " + t.pattern); if (!t.test()) { failures++; System.out.println(" * FAILED"); } } if (failures != 0) { throw new Exception("There where " + failures + " failures in this test"); } } public static void main(String... args) throws Exception { MethodMatcherTest test = new MethodMatcherTest(); test.test(); } public void helper() { } private static Method getMethod(Class klass, String name, Class... parameterTypes) { try { return klass.getDeclaredMethod(name, parameterTypes); } catch (NoSuchMethodException | SecurityException e) { throw new RuntimeException("exception on getting method Helper." + name, e); } } class TestCase { String pattern; Method testTarget; int expectedResult; public TestCase(Method testTarget, String pattern, int expectedResult) { this.testTarget = testTarget; this.pattern = pattern; this.expectedResult = expectedResult; } public String resultAsStr(int errorCode) { switch (errorCode) { case PARSING_FAILURE: return "Parsing failed"; case NO_MATCH: return "No match"; case MATCH: return "Match"; default: return "Unknown error"; } } boolean test() { int result = WHITE_BOX.matchesMethod(testTarget, pattern); if (result != expectedResult) { System.out .println("FAIL Wrong result, Got: " + resultAsStr(result) + "\n TestCase: " + this.toString()); return false; } return true; } @Override public String toString() { return "Method: '" + testTarget.toString() + "' Pattern: '" + pattern + "' Expected: " + resultAsStr(expectedResult); } public void innerHelper() { } } class TestCases extends ArrayList { private static final long serialVersionUID = 1L; public boolean add(Method testTarget, String pattern, int expectedResult) { return super.add(new TestCase(testTarget, pattern, expectedResult)); } public void innerHelper() { } } }