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
|
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/zucchini/encoded_view.h"
#include <iterator>
#include <numeric>
#include <vector>
#include "components/zucchini/image_index.h"
#include "components/zucchini/test_disassembler.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace zucchini {
namespace {
constexpr size_t PADDING = kReferencePaddingProjection;
template <class It1, class It2>
void TestInputIterator(It1 first_expected,
It1 last_expected,
It2 first_input,
It2 last_input) {
while (first_expected != last_expected && first_input != last_input) {
EXPECT_EQ(*first_expected, *first_input);
++first_expected;
++first_input;
}
EXPECT_EQ(last_input, first_input);
EXPECT_EQ(last_expected, first_expected);
}
template <class It1, class It2>
void TestForwardIterator(It1 first_expected,
It1 last_expected,
It2 first_input,
It2 last_input) {
TestInputIterator(first_expected, last_expected, first_input, last_input);
while (first_expected != last_expected && first_input != last_input) {
EXPECT_EQ(*(first_expected++), *(first_input++));
}
EXPECT_EQ(last_input, first_input);
EXPECT_EQ(last_expected, first_expected);
}
template <class It1, class It2>
void TestBidirectionalIterator(It1 first_expected,
It1 last_expected,
It2 first_input,
It2 last_input) {
TestForwardIterator(first_expected, last_expected, first_input, last_input);
while (first_expected != last_expected && first_input != last_input) {
EXPECT_EQ(*(--last_expected), *(--last_input));
}
EXPECT_EQ(last_input, first_input);
EXPECT_EQ(last_expected, first_expected);
}
template <class It1, class It2>
void TestRandomAccessIterator(It1 first_expected,
It1 last_expected,
It2 first_input,
It2 last_input) {
TestBidirectionalIterator(first_expected, last_expected, first_input,
last_input);
using difference_type = typename std::iterator_traits<It1>::difference_type;
difference_type expected_size = last_expected - first_expected;
difference_type input_size = last_input - first_input;
EXPECT_EQ(expected_size, input_size);
for (difference_type i = 0; i < expected_size; ++i) {
EXPECT_EQ(*(first_expected + i), *(first_input + i));
EXPECT_EQ(first_expected[i], first_input[i]);
EXPECT_EQ(0 < i, first_input < first_input + i);
EXPECT_EQ(0 > i, first_input > first_input + i);
EXPECT_EQ(0 <= i, first_input <= first_input + i);
EXPECT_EQ(0 >= i, first_input >= first_input + i);
EXPECT_EQ(expected_size < i, last_input < first_input + i);
EXPECT_EQ(expected_size > i, last_input > first_input + i);
EXPECT_EQ(expected_size <= i, last_input <= first_input + i);
EXPECT_EQ(expected_size >= i, last_input >= first_input + i);
It2 input = first_input;
input += i;
EXPECT_EQ(*input, first_expected[i]);
input -= i;
EXPECT_EQ(first_input, input);
input += i;
EXPECT_EQ(0 < i, first_input < input);
EXPECT_EQ(0 > i, first_input > input);
EXPECT_EQ(0 <= i, first_input <= input);
EXPECT_EQ(0 >= i, first_input >= input);
EXPECT_EQ(expected_size < i, last_input < input);
EXPECT_EQ(expected_size > i, last_input > input);
EXPECT_EQ(expected_size <= i, last_input <= input);
EXPECT_EQ(expected_size >= i, last_input >= input);
}
}
} // namespace
class EncodedViewTest : public testing::Test {
protected:
EncodedViewTest()
: buffer_(20),
image_index_(ConstBufferView(buffer_.data(), buffer_.size())) {
std::iota(buffer_.begin(), buffer_.end(), 0);
TestDisassembler disasm({2, TypeTag(0), PoolTag(0)},
{{1, 0}, {8, 1}, {10, 2}},
{4, TypeTag(1), PoolTag(0)}, {{3, 3}},
{3, TypeTag(2), PoolTag(1)}, {{12, 4}, {17, 5}});
image_index_.Initialize(&disasm);
}
void CheckView(std::vector<size_t> expected,
const EncodedView& encoded_view) const {
for (offset_t i = 0; i < encoded_view.size(); ++i) {
EXPECT_EQ(expected[i], encoded_view.Projection(i)) << i;
}
TestRandomAccessIterator(expected.begin(), expected.end(),
encoded_view.begin(), encoded_view.end());
}
std::vector<uint8_t> buffer_;
ImageIndex image_index_;
};
TEST_F(EncodedViewTest, Unlabeled) {
EncodedView encoded_view(image_index_);
encoded_view.SetLabels(PoolTag(0), {0, 0, 0, 0}, 1);
encoded_view.SetLabels(PoolTag(1), {0, 0}, 1);
std::vector<size_t> expected = {
0, // raw
kBaseReferenceProjection + 0 + 0 * 3, // ref 0
PADDING,
kBaseReferenceProjection + 1 + 0 * 3, // ref 1
PADDING,
PADDING,
PADDING,
7, // raw
kBaseReferenceProjection + 0 + 0 * 3, // ref 0
PADDING,
kBaseReferenceProjection + 0 + 0 * 3, // ref 0
PADDING,
kBaseReferenceProjection + 2 + 0 * 3, // ref 2
PADDING,
PADDING,
15, // raw
16,
kBaseReferenceProjection + 2 + 0 * 3, // ref 2
PADDING,
PADDING,
};
EXPECT_EQ(kBaseReferenceProjection + 3 * 1, encoded_view.Cardinality());
CheckView(expected, encoded_view);
}
TEST_F(EncodedViewTest, Labeled) {
EncodedView encoded_view(image_index_);
encoded_view.SetLabels(PoolTag(0), {0, 2, 1, 2}, 3);
encoded_view.SetLabels(PoolTag(1), {0, 0}, 1);
std::vector<size_t> expected = {
0, // raw
kBaseReferenceProjection + 0 + 0 * 3, // ref 0
PADDING,
kBaseReferenceProjection + 1 + 2 * 3, // ref 1
PADDING,
PADDING,
PADDING,
7, // raw
kBaseReferenceProjection + 0 + 2 * 3, // ref 0
PADDING,
kBaseReferenceProjection + 0 + 1 * 3, // ref 0
PADDING,
kBaseReferenceProjection + 2 + 0 * 3, // ref 2
PADDING,
PADDING,
15, // raw
16,
kBaseReferenceProjection + 2 + 0 * 3, // ref 2
PADDING,
PADDING,
};
EXPECT_EQ(kBaseReferenceProjection + 3 * 3, encoded_view.Cardinality());
CheckView(expected, encoded_view);
}
} // namespace zucchini
|
