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annotate jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/ConstantTest.java @ 24137:6523380966cd

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Merge.
author Doug Simon <doug.simon@oracle.com>
date Fri, 19 May 2017 14:05:50 +0200
parents 1d4ce2d19e52
children
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1 /*
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2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /**
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25 * @test
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26 * @compile ConstantTest.java FieldUniverse.java TypeUniverse.java TestMetaAccessProvider.java
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27 * @run junit jdk.vm.ci.runtime.test.ConstantTest
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28 */
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29
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30 package jdk.vm.ci.runtime.test;
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31
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32 import org.junit.Assert;
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33 import org.junit.Test;
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34
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35 import jdk.vm.ci.meta.JavaConstant;
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36
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37 public class ConstantTest extends FieldUniverse {
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38
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39 @Test
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40 public void testNegativeZero() {
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41 Assert.assertTrue("Constant for 0.0f must be different from -0.0f", JavaConstant.FLOAT_0 != JavaConstant.forFloat(-0.0F));
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42 Assert.assertTrue("Constant for 0.0d must be different from -0.0d", JavaConstant.DOUBLE_0 != JavaConstant.forDouble(-0.0d));
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43 }
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44
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45 @Test
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46 public void testNullIsNull() {
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47 Assert.assertTrue(JavaConstant.NULL_POINTER.isNull());
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48 }
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49 }