1 /* 2 * Copyright (c) 2014, 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 CodelistTest 26 * @bug 8054889 27 * @library /testlibrary 28 * @modules java.base/sun.misc 29 * java.compiler 30 * java.management 31 * jdk.jvmstat/sun.jvmstat.monitor 32 * @build jdk.test.lib.* 33 * @build jdk.test.lib.dcmd.* 34 * @build MethodIdentifierParser 35 * @run testng CodelistTest 36 * @summary Test of diagnostic command Compiler.codelist 37 */ 38 39 import org.testng.annotations.Test; 40 import org.testng.Assert; 41 42 import jdk.test.lib.OutputAnalyzer; 43 import jdk.test.lib.dcmd.CommandExecutor; 44 import jdk.test.lib.dcmd.JMXExecutor; 45 46 import java.lang.reflect.Method; 47 48 public class CodelistTest { 49 50 /** 51 * This test calls Jcmd (diagnostic command tool) Compiler.codelist and then parses the output, 52 * making sure that the first methods in the list is valid by reflection. 53 * 54 * Output example: 55 * 56 * 6 0 java.lang.System.arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V [0x00007f7b49200910, 0x00007f7b49200aa0 - 0x00007f7b49200d30] 57 * 2 3 java.lang.String.indexOf(II)I [0x00007f7b49200d90, 0x00007f7b49200f60 - 0x00007f7b49201490] 58 * 7 3 java.lang.Math.min(II)I [0x00007f7b4922f010, 0x00007f7b4922f180 - 0x00007f7b4922f338] 59 * 8 3 java.lang.String.equals(Ljava/lang/Object;)Z [0x00007f7b4922fb10, 0x00007f7b4922fd40 - 0x00007f7b49230698] 60 * 9 3 java.lang.AbstractStringBuilder.ensureCapacityInternal(I)V [0x00007f7b49232010, 0x00007f7b492321a0 - 0x00007f7b49232510] 61 * 10 1 java.lang.Object.<init>()V [0x00007f7b49233e90, 0x00007f7b49233fe0 - 0x00007f7b49234118] 62 * 63 */ 64 65 public void run(CommandExecutor executor) { 66 int ok = 0; 67 int fail = 0; 68 69 // Get output from dcmd (diagnostic command) 70 OutputAnalyzer output = executor.execute("Compiler.codelist"); 71 72 // Grab a method name from the output 73 int count = 0; 74 75 for (String line : output.asLines()) { 76 count++; 77 78 String[] parts = line.split(" "); 79 // int compileID = Integer.parseInt(parts[0]); 80 // int compileLevel = Integer.parseInt(parts[1]); 81 String methodPrintedInLogFormat = parts[2]; 82 83 // skip inits, clinits and methodHandles - they can not be reflected 84 if (methodPrintedInLogFormat.contains("<init>")) { 85 continue; 86 } 87 if (methodPrintedInLogFormat.contains("<clinit>")) { 88 continue; 89 } 90 if (methodPrintedInLogFormat.contains("MethodHandle")) { 91 continue; 92 } 93 94 MethodIdentifierParser mf = new MethodIdentifierParser(methodPrintedInLogFormat); 95 Method m = null; 96 try { 97 m = mf.getMethod(); 98 } catch (NoSuchMethodException e) { 99 m = null; 100 } catch (ClassNotFoundException e) { 101 Assert.fail("Test error: Caught unexpected exception", e); 102 } 103 if (m == null) { 104 Assert.fail("Test failed on: " + methodPrintedInLogFormat); 105 } 106 if (count > 10) { 107 // Testing 10 entries is enough. Lets not waste time. 108 break; 109 } 110 } 111 } 112 113 @Test 114 public void jmx() { 115 run(new JMXExecutor()); 116 } 117 }