Mercurial > hg > graal-jvmci-8
diff jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/ConstantTest.java @ 22672:1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Thu, 08 Oct 2015 17:28:41 -0700 |
parents | jvmci/jdk.internal.jvmci.runtime.test/src/jdk/internal/jvmci/runtime/test/ConstantTest.java@ec96f33a101d |
children | 1d4ce2d19e52 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/ConstantTest.java Thu Oct 08 17:28:41 2015 -0700 @@ -0,0 +1,76 @@ +/* + * 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); + } +}