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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/utilities/ExactClassValueProfileTest.java @ 21951:9c8c0937da41

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Moving all sources into truffle subdirectory
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 17 Jun 2015 10:58:08 +0200
parents graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/utilities/ExactClassValueProfileTest.java@1e542561783e
children 02015aac6be9
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1 /*
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2 * Copyright (c) 2014, 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 package com.oracle.truffle.api.test.utilities;
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24
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25 import static org.hamcrest.CoreMatchers.*;
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26 import static org.junit.Assert.*;
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27
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28 import org.junit.*;
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29 import org.junit.experimental.theories.*;
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30 import org.junit.runner.*;
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31
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32 import com.oracle.truffle.api.utilities.*;
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33
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34 @RunWith(Theories.class)
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35 public class ExactClassValueProfileTest {
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36
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37 @DataPoint public static final String O1 = new String();
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38 @DataPoint public static final String O2 = new String();
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39 @DataPoint public static final Object O3 = new Object();
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40 @DataPoint public static final Integer O4 = new Integer(1);
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41 @DataPoint public static final Integer O5 = null;
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42
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43 private ExactClassValueProfile profile;
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44
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45 @Before
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46 public void create() {
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47 profile = (ExactClassValueProfile) ValueProfile.createClassProfile();
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48 }
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49
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50 @Test
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51 public void testInitial() {
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52 assertThat(profile.isGeneric(), is(false));
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53 assertThat(profile.isUninitialized(), is(true));
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54 assertNull(profile.getCachedClass());
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55 profile.toString(); // test that it is not crashing
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56 }
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57
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58 @Theory
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59 public void testProfileOne(Object value) {
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60 Object result = profile.profile(value);
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61
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62 assertThat(result, is(value));
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63 assertEquals(profile.getCachedClass(), expectedClass(value));
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64 assertThat(profile.isUninitialized(), is(false));
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65 profile.toString(); // test that it is not crashing
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66 }
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67
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68 @Theory
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69 public void testProfileTwo(Object value0, Object value1) {
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70 Object result0 = profile.profile(value0);
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71 Object result1 = profile.profile(value1);
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72
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73 assertThat(result0, is(value0));
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74 assertThat(result1, is(value1));
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75
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76 Object expectedClass = expectedClass(value0) == expectedClass(value1) ? expectedClass(value0) : Object.class;
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77
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78 assertEquals(profile.getCachedClass(), expectedClass);
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79 assertThat(profile.isUninitialized(), is(false));
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80 assertThat(profile.isGeneric(), is(expectedClass == Object.class));
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81 profile.toString(); // test that it is not crashing
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82 }
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83
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84 @Theory
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85 public void testProfileThree(Object value0, Object value1, Object value2) {
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86 Object result0 = profile.profile(value0);
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87 Object result1 = profile.profile(value1);
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88 Object result2 = profile.profile(value2);
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89
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90 assertThat(result0, is(value0));
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91 assertThat(result1, is(value1));
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92 assertThat(result2, is(value2));
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93
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94 Object expectedClass = expectedClass(value0) == expectedClass(value1) && expectedClass(value1) == expectedClass(value2) ? expectedClass(value0) : Object.class;
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95
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96 assertEquals(profile.getCachedClass(), expectedClass);
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97 assertThat(profile.isUninitialized(), is(false));
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98 assertThat(profile.isGeneric(), is(expectedClass == Object.class));
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99 profile.toString(); // test that it is not crashing
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100 }
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101
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102 private static Class<?> expectedClass(Object value) {
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103 return value == null ? Object.class : value.getClass();
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104 }
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105
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106 }