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comparison graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/utilities/IntegerConditionProfileTest.java @ 16828:2834af86f398

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Truffle: new condition profile primitives.
author Christian Humer <christian.humer@gmail.com>
date Wed, 13 Aug 2014 20:44:36 +0200
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children 3c114b3e08c3
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16827:5e647663b77e 16828:2834af86f398
1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.truffle.api.test.utilities;
24
25 import static org.hamcrest.CoreMatchers.*;
26 import static org.junit.Assert.*;
27
28 import org.junit.*;
29 import org.junit.experimental.theories.*;
30 import org.junit.runner.*;
31
32 import com.oracle.truffle.api.utilities.*;
33
34 @RunWith(Theories.class)
35 public class IntegerConditionProfileTest {
36
37 @DataPoints public static boolean[] data = new boolean[]{true, false};
38
39 @Test
40 public void testInitial() {
41 IntegerConditionProfile profile = new IntegerConditionProfile();
42 assertThat(profile.getTrueCount(), is(0));
43 assertThat(profile.getFalseCount(), is(0));
44 }
45
46 @Theory
47 public void testProfileOne(boolean value) {
48 IntegerConditionProfile profile = new IntegerConditionProfile();
49 boolean result = profile.profile(value);
50
51 assertThat(result, is(value));
52 assertThat(profile.getTrueCount(), is(value ? 1 : 0));
53 assertThat(profile.getFalseCount(), is(!value ? 1 : 0));
54 }
55
56 @Theory
57 public void testProfileTwo(boolean value0, boolean value1) {
58 IntegerConditionProfile profile = new IntegerConditionProfile();
59 boolean result0 = profile.profile(value0);
60 boolean result1 = profile.profile(value1);
61
62 assertThat(result0, is(value0));
63 assertThat(result1, is(value1));
64 assertThat(profile.getTrueCount(), is((value0 ? 1 : 0) + (value1 ? 1 : 0)));
65 assertThat(profile.getFalseCount(), is((!value0 ? 1 : 0) + (!value1 ? 1 : 0)));
66 }
67
68 @Theory
69 public void testProfileThree(boolean value0, boolean value1, boolean value2) {
70 IntegerConditionProfile profile = new IntegerConditionProfile();
71 boolean result0 = profile.profile(value0);
72 boolean result1 = profile.profile(value1);
73 boolean result2 = profile.profile(value2);
74
75 assertThat(result0, is(value0));
76 assertThat(result1, is(value1));
77 assertThat(result2, is(value2));
78 assertThat(profile.getTrueCount(), is((value0 ? 1 : 0) + (value1 ? 1 : 0) + (value2 ? 1 : 0)));
79 assertThat(profile.getFalseCount(), is((!value0 ? 1 : 0) + (!value1 ? 1 : 0) + (!value2 ? 1 : 0)));
80 }
81
82 }