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comparison truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/nodes/serial/VariableLengthIntBufferTest.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/nodes/serial/VariableLengthIntBufferTest.java@96c1d057a5ed
children dc83cc1f94f2
comparison
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21950:2a5011c7e641 21951:9c8c0937da41
1 /*
2 * Copyright (c) 2012, 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.nodes.serial;
24
25 import java.nio.*;
26
27 import org.junit.*;
28
29 import com.oracle.truffle.api.nodes.serial.*;
30
31 public class VariableLengthIntBufferTest {
32
33 private VariableLengthIntBuffer buf;
34
35 @Before
36 public void setUp() {
37 buf = new VariableLengthIntBuffer(ByteBuffer.allocate(512));
38 }
39
40 @After
41 public void tearDown() {
42 buf = null;
43 }
44
45 @Test
46 public void testPutNull() {
47 buf.put(VariableLengthIntBuffer.NULL);
48 assertBytes(0xFF);
49 }
50
51 @Test
52 public void testPutByteCornerCase0() {
53 buf.put(0x00); // 0
54 assertBytes(0x00);
55 }
56
57 @Test
58 public void testPutByteCornerCase1() {
59 buf.put(0x7F); // 127
60 assertBytes(0x7F);
61 }
62
63 @Test
64 public void testPutByteCornerCase2() {
65 buf.put(0x3FFF_FFFF);
66 assertBytes(0xBF, 0xFF, 0xFF, 0xFF);
67 }
68
69 @Test(expected = IllegalArgumentException.class)
70 public void testPutByteCornerCase3() {
71 buf.put(0x4000_0000); // out of encodeable
72 }
73
74 @Test
75 public void testGetNull() {
76 create(0xFF);
77 assertGet(VariableLengthIntBuffer.NULL);
78 }
79
80 @Test
81 public void testGetCornerCase0() {
82 create(0x00);
83 assertGet(0x00);
84 }
85
86 @Test
87 public void testGetCornerCase1() {
88 create(0x7F);
89 assertGet(0x7F);
90 }
91
92 @Test
93 public void testGetCornerCase2() {
94 create(0xBF, 0xFF, 0xFF, 0xFF);
95 assertGet(0x3FFF_FFFF);
96 }
97
98 @Test(expected = AssertionError.class)
99 public void testGetCornerCase3() {
100 create(0xFF, 0xFF, 0xFF, 0xFF);
101 assertGet(0x0);
102 }
103
104 private void create(int... bytes) {
105 byte[] convBytes = new byte[bytes.length];
106 for (int i = 0; i < bytes.length; i++) {
107 convBytes[i] = (byte) bytes[i];
108 }
109 buf = new VariableLengthIntBuffer(convBytes);
110 }
111
112 private void assertGet(int expected) {
113 Assert.assertEquals(expected, buf.get());
114 }
115
116 private void assertBytes(int... expectedBytes) {
117 byte[] actualBytes = buf.getBytes();
118 Assert.assertEquals(expectedBytes.length, actualBytes.length);
119 for (int i = 0; i < expectedBytes.length; i++) {
120 Assert.assertTrue(actualBytes[i] == (byte) expectedBytes[i]);
121 }
122 }
123
124 }