Mercurial > hg > truffle
diff graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/ConstantTest.java @ 21663:381ab4105afe
moved com.oracle.graal.java.test to com.oracle.jvmci.runtime.test
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 02 Jun 2015 15:15:58 +0200 |
parents | graal/com.oracle.graal.java.test/src/com/oracle/graal/java/test/ConstantTest.java@f5b549811bac |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/ConstantTest.java Tue Jun 02 15:15:58 2015 +0200 @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2014, 2014, 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. + */ +package com.oracle.jvmci.runtime.test; + +import com.oracle.jvmci.meta.JavaConstant; +import com.oracle.jvmci.meta.Kind; +import org.junit.*; + +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 (Kind kind : Kind.values()) { + if (kind.isNumericInteger() || kind.isNumericFloat()) { + Assert.assertTrue(JavaConstant.one(kind).getKind() == kind); + } + } + Assert.assertEquals(1, JavaConstant.one(Kind.Int).asInt()); + Assert.assertEquals(1L, JavaConstant.one(Kind.Long).asLong()); + Assert.assertEquals(1, JavaConstant.one(Kind.Byte).asInt()); + Assert.assertEquals(1, JavaConstant.one(Kind.Short).asInt()); + Assert.assertEquals(1, JavaConstant.one(Kind.Char).asInt()); + Assert.assertTrue(1F == JavaConstant.one(Kind.Float).asFloat()); + Assert.assertTrue(1D == JavaConstant.one(Kind.Double).asDouble()); + } + + @Test(expected = IllegalArgumentException.class) + public void testIllegalOne() { + JavaConstant.one(Kind.Illegal); + } + + @Test(expected = IllegalArgumentException.class) + public void testVoidOne() { + JavaConstant.one(Kind.Void); + } +}