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 import java.lang.reflect.Executable;
  25 import java.util.function.BiFunction;
  26 
  27 import jdk.test.lib.Asserts;
  28 import sun.hotspot.WhiteBox;
  29 
  30 /*
  31  * @test
  32  * @bug 8074980
  33  * @modules java.base/jdk.internal.misc
  34  * @library /testlibrary /test/lib
  35  * @build sun.hotspot.WhiteBox jdk.test.lib.Asserts GetMethodOptionTest
  36  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  37  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  38  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  39  *                   -XX:CompileCommand=option,GetMethodOptionTest::test,ccstrlist,MyListOption,_foo,_bar
  40  *                   -XX:CompileCommand=option,GetMethodOptionTest::test,ccstr,MyStrOption,_foo
  41  *                   -XX:CompileCommand=option,GetMethodOptionTest::test,bool,MyBoolOption,false
  42  *                   -XX:CompileCommand=option,GetMethodOptionTest::test,intx,MyIntxOption,-1
  43  *                   -XX:CompileCommand=option,GetMethodOptionTest::test,uintx,MyUintxOption,1
  44  *                   -XX:CompileCommand=option,GetMethodOptionTest::test,MyFlag
  45  *                   -XX:CompileCommand=option,GetMethodOptionTest::test,double,MyDoubleOption1,1.123
  46  *                   -XX:CompileCommand=option,GetMethodOptionTest.test,double,MyDoubleOption2,1.123
  47  *                   -XX:CompileCommand=option,GetMethodOptionTest::test,bool,MyBoolOptionX,false,intx,MyIntxOptionX,-1,uintx,MyUintxOptionX,1,MyFlagX,double,MyDoubleOptionX,1.123
  48  *                   GetMethodOptionTest
  49  */
  50 
  51 public class GetMethodOptionTest {
  52     private static final  WhiteBox WB = WhiteBox.getWhiteBox();
  53     public static void main(String[] args) {
  54         Executable test = getMethod("test");
  55         Executable test2 = getMethod("test2");
  56         BiFunction<Executable, String, Object> getter = WB::getMethodOption;
  57         for (TestCase testCase : TestCase.values()) {
  58             Object expected = testCase.value;
  59             String name = testCase.name();
  60             Asserts.assertEQ(expected, getter.apply(test, name),
  61                     testCase + ": universal getter returns wrong value");
  62             Asserts.assertEQ(expected, testCase.getter.apply(test, name),
  63                     testCase + ": specific getter returns wrong value");
  64             Asserts.assertEQ(null, getter.apply(test2, name),
  65                     testCase + ": universal getter returns value for unused method");
  66             Asserts.assertEQ(null, testCase.getter.apply(test2, name),
  67                     testCase + ": type specific getter returns value for unused method");
  68         }
  69     }
  70     private static void test() { }
  71     private static void test2() { }
  72 
  73     private static enum TestCase {
  74         MyListOption("_foo _bar", WB::getMethodStringOption),
  75         MyStrOption("_foo", WB::getMethodStringOption),
  76         MyBoolOption(false, WB::getMethodBooleanOption),
  77         MyIntxOption(-1L, WB::getMethodIntxOption),
  78         MyUintxOption(1L, WB::getMethodUintxOption),
  79         MyFlag(true, WB::getMethodBooleanOption),
  80         MyDoubleOption1(1.123d, WB::getMethodDoubleOption),
  81         MyDoubleOption2(1.123d, WB::getMethodDoubleOption),
  82         MyBoolOptionX(false, WB::getMethodBooleanOption),
  83         MyIntxOptionX(-1L, WB::getMethodIntxOption),
  84         MyUintxOptionX(1L, WB::getMethodUintxOption),
  85         MyFlagX(true, WB::getMethodBooleanOption),
  86         MyDoubleOptionX(1.123d, WB::getMethodDoubleOption);
  87 
  88         public final Object value;
  89         public final BiFunction<Executable, String, Object> getter;
  90         private TestCase(Object value, BiFunction<Executable, String, Object> getter) {
  91             this.value = value;
  92             this.getter = getter;
  93         }
  94     }
  95 
  96     private static Executable getMethod(String name) {
  97         Executable result;
  98         try {
  99             result = GetMethodOptionTest.class.getDeclaredMethod(name);
 100         } catch (NoSuchMethodException | SecurityException e) {
 101             throw new Error("TESTBUG : can't get method " + name, e);
 102         }
 103         return result;
 104     }
 105 }