Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/ConstantTest.java @ 23344:32d6bceb9adc
do not install an empty SpeculationLog in an nmethod (JDK-8153439)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 04 Apr 2016 22:59:08 +0200 |
parents | 1bbd4a7c274b |
children | 1d4ce2d19e52 |
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/* * 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. */ /** * @test * @compile ConstantTest.java FieldUniverse.java TypeUniverse.java TestMetaAccessProvider.java * @run junit jdk.vm.ci.runtime.test.ConstantTest */ package jdk.vm.ci.runtime.test; import jdk.vm.ci.meta.JavaConstant; import jdk.vm.ci.meta.JavaKind; import org.junit.Assert; import org.junit.Test; public class ConstantTest extends FieldUniverse { @Test public void testNegativeZero() { Assert.assertTrue("Constant for 0.0f must be different from -0.0f", JavaConstant.FLOAT_0 != JavaConstant.forFloat(-0.0F)); Assert.assertTrue("Constant for 0.0d must be different from -0.0d", JavaConstant.DOUBLE_0 != JavaConstant.forDouble(-0.0d)); } @Test public void testNullIsNull() { Assert.assertTrue(JavaConstant.NULL_POINTER.isNull()); } @Test public void testOne() { for (JavaKind kind : JavaKind.values()) { if (kind.isNumericInteger() || kind.isNumericFloat()) { Assert.assertTrue(JavaConstant.one(kind).getJavaKind() == kind); } } Assert.assertEquals(1, JavaConstant.one(JavaKind.Int).asInt()); Assert.assertEquals(1L, JavaConstant.one(JavaKind.Long).asLong()); Assert.assertEquals(1, JavaConstant.one(JavaKind.Byte).asInt()); Assert.assertEquals(1, JavaConstant.one(JavaKind.Short).asInt()); Assert.assertEquals(1, JavaConstant.one(JavaKind.Char).asInt()); Assert.assertTrue(1F == JavaConstant.one(JavaKind.Float).asFloat()); Assert.assertTrue(1D == JavaConstant.one(JavaKind.Double).asDouble()); } @Test(expected = IllegalArgumentException.class) public void testIllegalOne() { JavaConstant.one(JavaKind.Illegal); } @Test(expected = IllegalArgumentException.class) public void testVoidOne() { JavaConstant.one(JavaKind.Void); } }