1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
<?php
class Swift_ByteStream_ArrayByteStreamTest extends \PHPUnit_Framework_TestCase
{
public function testReadingSingleBytesFromBaseInput()
{
$input = array('a', 'b', 'c');
$bs = $this->_createArrayStream($input);
$output = array();
while (false !== $bytes = $bs->read(1)) {
$output[] = $bytes;
}
$this->assertEquals($input, $output,
'%s: Bytes read from stream should be the same as bytes in constructor'
);
}
public function testReadingMultipleBytesFromBaseInput()
{
$input = array('a', 'b', 'c', 'd');
$bs = $this->_createArrayStream($input);
$output = array();
while (false !== $bytes = $bs->read(2)) {
$output[] = $bytes;
}
$this->assertEquals(array('ab', 'cd'), $output,
'%s: Bytes read from stream should be in pairs'
);
}
public function testReadingOddOffsetOnLastByte()
{
$input = array('a', 'b', 'c', 'd', 'e');
$bs = $this->_createArrayStream($input);
$output = array();
while (false !== $bytes = $bs->read(2)) {
$output[] = $bytes;
}
$this->assertEquals(array('ab', 'cd', 'e'), $output,
'%s: Bytes read from stream should be in pairs except final read'
);
}
public function testSettingPointerPartway()
{
$input = array('a', 'b', 'c');
$bs = $this->_createArrayStream($input);
$bs->setReadPointer(1);
$this->assertEquals('b', $bs->read(1),
'%s: Byte should be second byte since pointer as at offset 1'
);
}
public function testResettingPointerAfterExhaustion()
{
$input = array('a', 'b', 'c');
$bs = $this->_createArrayStream($input);
while (false !== $bs->read(1));
$bs->setReadPointer(0);
$this->assertEquals('a', $bs->read(1),
'%s: Byte should be first byte since pointer as at offset 0'
);
}
public function testPointerNeverSetsBelowZero()
{
$input = array('a', 'b', 'c');
$bs = $this->_createArrayStream($input);
$bs->setReadPointer(-1);
$this->assertEquals('a', $bs->read(1),
'%s: Byte should be first byte since pointer should be at offset 0'
);
}
public function testPointerNeverSetsAboveStackSize()
{
$input = array('a', 'b', 'c');
$bs = $this->_createArrayStream($input);
$bs->setReadPointer(3);
$this->assertSame(false, $bs->read(1),
'%s: Stream should be at end and thus return false'
);
}
public function testBytesCanBeWrittenToStream()
{
$input = array('a', 'b', 'c');
$bs = $this->_createArrayStream($input);
$bs->write('de');
$output = array();
while (false !== $bytes = $bs->read(1)) {
$output[] = $bytes;
}
$this->assertEquals(array('a', 'b', 'c', 'd', 'e'), $output,
'%s: Bytes read from stream should be from initial stack + written'
);
}
public function testContentsCanBeFlushed()
{
$input = array('a', 'b', 'c');
$bs = $this->_createArrayStream($input);
$bs->flushBuffers();
$this->assertSame(false, $bs->read(1),
'%s: Contents have been flushed so read() should return false'
);
}
public function testConstructorCanTakeStringArgument()
{
$bs = $this->_createArrayStream('abc');
$output = array();
while (false !== $bytes = $bs->read(1)) {
$output[] = $bytes;
}
$this->assertEquals(array('a', 'b', 'c'), $output,
'%s: Bytes read from stream should be the same as bytes in constructor'
);
}
public function testBindingOtherStreamsMirrorsWriteOperations()
{
$bs = $this->_createArrayStream('');
$is1 = $this->getMock('Swift_InputByteStream');
$is2 = $this->getMock('Swift_InputByteStream');
$is1->expects($this->at(0))
->method('write')
->with('x');
$is1->expects($this->at(1))
->method('write')
->with('y');
$is2->expects($this->at(0))
->method('write')
->with('x');
$is2->expects($this->at(1))
->method('write')
->with('y');
$bs->bind($is1);
$bs->bind($is2);
$bs->write('x');
$bs->write('y');
}
public function testBindingOtherStreamsMirrorsFlushOperations()
{
$bs = $this->_createArrayStream('');
$is1 = $this->getMock('Swift_InputByteStream');
$is2 = $this->getMock('Swift_InputByteStream');
$is1->expects($this->once())
->method('flushBuffers');
$is2->expects($this->once())
->method('flushBuffers');
$bs->bind($is1);
$bs->bind($is2);
$bs->flushBuffers();
}
public function testUnbindingStreamPreventsFurtherWrites()
{
$bs = $this->_createArrayStream('');
$is1 = $this->getMock('Swift_InputByteStream');
$is2 = $this->getMock('Swift_InputByteStream');
$is1->expects($this->at(0))
->method('write')
->with('x');
$is1->expects($this->at(1))
->method('write')
->with('y');
$is2->expects($this->once())
->method('write')
->with('x');
$bs->bind($is1);
$bs->bind($is2);
$bs->write('x');
$bs->unbind($is2);
$bs->write('y');
}
// -- Creation Methods
private function _createArrayStream($input)
{
return new Swift_ByteStream_ArrayByteStream($input);
}
}
|
