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
|
/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <algorithm>
#include "gtest/gtest.h"
#include "sfntly/port/memory_input_stream.h"
#include "sfntly/port/memory_output_stream.h"
#include "sfntly/port/type.h"
namespace {
const char* kTestData =
"01234567890123456789012345678901234567890123456789" // 50
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwx" // 100
"yz"; // 102
const size_t kTestBufferLen = 102;
}
namespace sfntly {
bool TestMemoryInputStream() {
ByteVector test_buffer;
test_buffer.resize(kTestBufferLen);
std::copy(kTestData, kTestData + kTestBufferLen, test_buffer.begin());
MemoryInputStream is;
is.Attach(&(test_buffer[0]), kTestBufferLen);
EXPECT_EQ(is.Available(), (int32_t)kTestBufferLen);
// Read one byte
EXPECT_EQ(is.Read(), '0'); // position 1
EXPECT_EQ(is.Read(), '1'); // position 2
EXPECT_EQ(is.Read(), '2'); // position 3
// Read byte vector
ByteVector b;
b.resize(7);
EXPECT_EQ(is.Read(&b), 7); // position 10
EXPECT_EQ(memcmp(&(b[0]), &(test_buffer[0]) + 3, 7), 0);
b.resize(17);
EXPECT_EQ(is.Read(&b, 7, 10), 10); // position 20
EXPECT_EQ(memcmp(&(b[0]), &(test_buffer[0]) + 3, 17), 0);
// Test skip
b.clear();
b.resize(10);
EXPECT_EQ(is.Skip(30), 30); // position 50
EXPECT_EQ(is.Read(&b), 10); // position 60
EXPECT_EQ(memcmp(&(b[0]), &(test_buffer[0]) + 50, 10), 0);
b.clear();
b.resize(10);
EXPECT_EQ(is.Skip(-20), -20); // position 40
EXPECT_EQ(is.Read(&b), 10); // position 50
EXPECT_EQ(memcmp(&(b[0]), &(test_buffer[0]) + 40, 10), 0);
EXPECT_EQ(is.Available(), (int32_t)kTestBufferLen - 50);
EXPECT_EQ(is.Skip(-60), -50); // Out of bound, position 0
EXPECT_EQ(is.Skip(kTestBufferLen + 10), (int32_t)kTestBufferLen);
b.clear();
b.resize(10);
is.Unread(&b);
EXPECT_EQ(memcmp(&(b[0]), &(test_buffer[0]) + kTestBufferLen - 10, 10), 0);
return true;
}
bool TestMemoryOutputStream() {
ByteVector test_buffer;
test_buffer.resize(kTestBufferLen);
std::copy(kTestData, kTestData + kTestBufferLen, test_buffer.begin());
MemoryOutputStream os;
os.Write(&(test_buffer[0]), (int32_t)50, (int32_t)(kTestBufferLen - 50));
EXPECT_EQ(os.Size(), kTestBufferLen - 50);
EXPECT_EQ(memcmp(os.Get(), &(test_buffer[0]) + 50, kTestBufferLen - 50), 0);
return true;
}
} // namespace sfntly
TEST(MemoryIO, All) {
ASSERT_TRUE(sfntly::TestMemoryInputStream());
ASSERT_TRUE(sfntly::TestMemoryOutputStream());
}
|
