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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/nodes/serial/VariableLengthIntBufferTest.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 9c8c0937da41
children
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1 /*
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2 * Copyright (c) 2012, 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.nodes.serial;
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24
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25 import com.oracle.truffle.api.nodes.serial.VariableLengthIntBuffer;
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26 import java.nio.ByteBuffer;
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27 import org.junit.After;
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28 import org.junit.Assert;
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29 import org.junit.Before;
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30 import org.junit.Test;
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31
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32 public class VariableLengthIntBufferTest {
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33
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34 private VariableLengthIntBuffer buf;
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35
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36 @Before
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37 public void setUp() {
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38 buf = new VariableLengthIntBuffer(ByteBuffer.allocate(512));
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39 }
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40
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41 @After
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42 public void tearDown() {
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43 buf = null;
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44 }
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45
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46 @Test
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47 public void testPutNull() {
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48 buf.put(VariableLengthIntBuffer.NULL);
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49 assertBytes(0xFF);
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50 }
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51
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52 @Test
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53 public void testPutByteCornerCase0() {
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54 buf.put(0x00); // 0
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55 assertBytes(0x00);
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56 }
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57
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58 @Test
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59 public void testPutByteCornerCase1() {
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60 buf.put(0x7F); // 127
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61 assertBytes(0x7F);
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62 }
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63
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64 @Test
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65 public void testPutByteCornerCase2() {
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66 buf.put(0x3FFF_FFFF);
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67 assertBytes(0xBF, 0xFF, 0xFF, 0xFF);
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68 }
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69
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70 @Test(expected = IllegalArgumentException.class)
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71 public void testPutByteCornerCase3() {
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72 buf.put(0x4000_0000); // out of encodeable
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73 }
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74
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75 @Test
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76 public void testGetNull() {
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77 create(0xFF);
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78 assertGet(VariableLengthIntBuffer.NULL);
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79 }
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80
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81 @Test
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82 public void testGetCornerCase0() {
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83 create(0x00);
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84 assertGet(0x00);
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85 }
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86
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87 @Test
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88 public void testGetCornerCase1() {
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89 create(0x7F);
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90 assertGet(0x7F);
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91 }
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92
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93 @Test
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94 public void testGetCornerCase2() {
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95 create(0xBF, 0xFF, 0xFF, 0xFF);
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96 assertGet(0x3FFF_FFFF);
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97 }
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98
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99 @Test(expected = AssertionError.class)
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100 public void testGetCornerCase3() {
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101 create(0xFF, 0xFF, 0xFF, 0xFF);
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102 assertGet(0x0);
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103 }
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104
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105 private void create(int... bytes) {
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106 byte[] convBytes = new byte[bytes.length];
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107 for (int i = 0; i < bytes.length; i++) {
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108 convBytes[i] = (byte) bytes[i];
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109 }
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110 buf = new VariableLengthIntBuffer(convBytes);
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111 }
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112
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113 private void assertGet(int expected) {
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114 Assert.assertEquals(expected, buf.get());
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115 }
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116
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117 private void assertBytes(int... expectedBytes) {
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118 byte[] actualBytes = buf.getBytes();
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119 Assert.assertEquals(expectedBytes.length, actualBytes.length);
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120 for (int i = 0; i < expectedBytes.length; i++) {
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121 Assert.assertTrue(actualBytes[i] == (byte) expectedBytes[i]);
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122 }
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123 }
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124
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125 }