| /* |
| * Copyright (c) 2014, 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. |
| */ |
| |
| import java.lang.reflect.Executable; |
| import java.util.concurrent.Callable; |
| |
| /** |
| * @test ConstantGettersTransitionsTest |
| * @library /testlibrary /../../test/lib /compiler/whitebox |
| * @modules java.base/sun.misc |
| * java.management |
| * @build TransitionsTestExecutor ConstantGettersTransitionsTest |
| * @run main ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm/timeout=240 -Xmixed -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:+TieredCompilation |
| * -XX:CompileCommand=compileonly,ConstantGettersTestCase$TrivialMethods::* |
| * TransitionsTestExecutor ConstantGettersTransitionsTest |
| * @summary Test the correctness of compilation level transitions for constant getters methods |
| */ |
| public class ConstantGettersTransitionsTest extends LevelTransitionTest { |
| public static void main(String[] args) { |
| assert (!CompilerWhiteBoxTest.skipOnTieredCompilation(false)); |
| |
| // run test cases |
| for (TestCase testCase : ConstantGettersTestCase.values()) { |
| new ConstantGettersTransitionsTest(testCase).runTest(); |
| } |
| } |
| |
| @Override |
| protected boolean isTrivial() { |
| return true; |
| } |
| |
| private ConstantGettersTransitionsTest(TestCase testCase) { |
| super(testCase); |
| } |
| } |
| |
| enum ConstantGettersTestCase implements CompilerWhiteBoxTest.TestCase { |
| ICONST_M1, |
| ICONST_0, |
| ICONST_1, |
| ICONST_2, |
| ICONST_3, |
| ICONST_4, |
| ICONST_5, |
| LCONST_0, |
| LCONST_1, |
| FCONST_0, |
| FCONST_1, |
| FCONST_2, |
| DCONST_0, |
| DCONST_1, |
| DCONST_W, |
| BYTE, |
| SHORT, |
| CHAR; |
| |
| private final Executable executable; |
| private final Callable<Integer> callable; |
| |
| @Override |
| public Executable getExecutable() { |
| return executable; |
| } |
| |
| @Override |
| public Callable<Integer> getCallable() { |
| return callable; |
| } |
| |
| @Override |
| public boolean isOsr() { |
| return false; |
| } |
| |
| private ConstantGettersTestCase() { |
| String name = "make" + this.name(); |
| this.executable = LevelTransitionTest.Helper.getMethod(TrivialMethods.class, name); |
| this.callable = LevelTransitionTest.Helper.getCallable(new TrivialMethods(), name); |
| } |
| |
| /** |
| * Contains methods that load constants with certain types of bytecodes |
| * See JVMS 2.11.2. Load and Store Instructions |
| * Note that it doesn't have a method for ldc_w instruction |
| */ |
| private static class TrivialMethods { |
| public static int makeICONST_M1() { |
| return -1; |
| } |
| |
| public static int makeICONST_0() { |
| return 0; |
| } |
| |
| public static int makeICONST_1() { |
| return 1; |
| } |
| |
| public static int makeICONST_2() { |
| return 2; |
| } |
| |
| public static int makeICONST_3() { |
| return 3; |
| } |
| |
| public static int makeICONST_4() { |
| return 4; |
| } |
| |
| public static int makeICONST_5() { |
| return 5; |
| } |
| |
| public static long makeLCONST_0() { |
| return 0L; |
| } |
| |
| public static long makeLCONST_1() { |
| return 1L; |
| } |
| |
| public static float makeFCONST_0() { |
| return 0F; |
| } |
| |
| public static float makeFCONST_1() { |
| return 1F; |
| } |
| |
| public static float makeFCONST_2() { |
| return 2F; |
| } |
| |
| public static double makeDCONST_0() { |
| return 0D; |
| } |
| |
| public static double makeDCONST_1() { |
| return 1D; |
| } |
| |
| public static double makeDCONST_W() { |
| // ldc2_w |
| return Double.MAX_VALUE; |
| } |
| |
| public static Object makeOBJECT() { |
| // aconst_null |
| return null; |
| } |
| |
| public static byte makeBYTE() { |
| // bipush |
| return (byte) 0x7F; |
| } |
| |
| public static short makeSHORT() { |
| // sipush |
| return (short) 0x7FFF; |
| } |
| |
| public static char makeCHAR() { |
| // ldc |
| return (char) 0xFFFF; |
| } |
| |
| public static boolean makeBOOLEAN() { |
| return true; |
| } |
| } |
| } |