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
|
#include "simdutf.h"
#include <array>
#include <memory>
#include <tests/helpers/fixed_string.h>
#include <tests/helpers/random_int.h>
#include <tests/helpers/test.h>
#include <tests/helpers/transcode_test_base.h>
namespace {
std::array<size_t, 7> input_size{7, 16, 12, 64, 67, 128, 256};
using simdutf::tests::helpers::transcode_utf32_to_utf8_test_base;
} // namespace
TEST(convert_pure_ASCII) {
size_t counter = 0;
auto generator = [&counter]() -> uint32_t { return counter++ & 0x7f; };
auto procedure = [&implementation](const char32_t *utf32, size_t size,
char *utf8) -> size_t {
return implementation.convert_utf32_to_utf8(utf32, size, utf8);
};
auto size_procedure = [&implementation](const char32_t *utf32,
size_t size) -> size_t {
return implementation.utf8_length_from_utf32(utf32, size);
};
std::array<size_t, 4> input_size{7, 16, 24, 67};
for (size_t size : input_size) {
transcode_utf32_to_utf8_test_base test(generator, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
TEST_LOOP(convert_into_1_or_2_UTF8_bytes) {
simdutf::tests::helpers::RandomInt random(
0x0000, 0x07ff, seed); // range for 1 or 2 UTF-8 bytes
auto procedure = [&implementation](const char32_t *utf32, size_t size,
char *utf8) -> size_t {
return implementation.convert_utf32_to_utf8(utf32, size, utf8);
};
auto size_procedure = [&implementation](const char32_t *utf32,
size_t size) -> size_t {
return implementation.utf8_length_from_utf32(utf32, size);
};
for (size_t size : input_size) {
transcode_utf32_to_utf8_test_base test(random, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
TEST_LOOP(convert_into_1_or_2_or_3_UTF8_bytes) {
// range for 1, 2 or 3 UTF-8 bytes
simdutf::tests::helpers::RandomIntRanges random(
{{0x0000, 0x007f}, {0x0080, 0x07ff}, {0x0800, 0xd7ff}, {0xe000, 0xffff}},
seed);
auto procedure = [&implementation](const char32_t *utf32, size_t size,
char *utf8) -> size_t {
return implementation.convert_utf32_to_utf8(utf32, size, utf8);
};
auto size_procedure = [&implementation](const char32_t *utf32,
size_t size) -> size_t {
return implementation.utf8_length_from_utf32(utf32, size);
};
for (size_t size : input_size) {
transcode_utf32_to_utf8_test_base test(random, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
TEST_LOOP(convert_into_3_or_4_UTF8_bytes) {
// range for 3 or 4 UTF-8 bytes
simdutf::tests::helpers::RandomIntRanges random(
{{0x0800, 0xd800 - 1}, {0xe000, 0x10ffff}}, seed);
auto procedure = [&implementation](const char32_t *utf32, size_t size,
char *utf8) -> size_t {
return implementation.convert_utf32_to_utf8(utf32, size, utf8);
};
auto size_procedure = [&implementation](const char32_t *utf32,
size_t size) -> size_t {
return implementation.utf8_length_from_utf32(utf32, size);
};
for (size_t size : input_size) {
transcode_utf32_to_utf8_test_base test(random, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
TEST(convert_fails_if_there_is_surrogate) {
auto procedure = [&implementation](const char32_t *utf32, size_t size,
char *utf8) -> size_t {
return implementation.convert_utf32_to_utf8(utf32, size, utf8);
};
const size_t size = 64;
transcode_utf32_to_utf8_test_base test([]() { return '*'; }, size + 32);
for (char32_t surrogate = 0xd800; surrogate <= 0xdfff; surrogate++) {
for (size_t i = 0; i < size; i++) {
const auto old = test.input_utf32[i];
test.input_utf32[i] = surrogate;
ASSERT_TRUE(test(procedure));
test.input_utf32[i] = old;
}
}
}
TEST(convert_fails_if_input_too_large) {
uint32_t seed{1234};
simdutf::tests::helpers::RandomInt generator(0x110000, 0xffffffff, seed);
auto procedure = [&implementation](const char32_t *utf32, size_t size,
char *utf8) -> size_t {
return implementation.convert_utf32_to_utf8(utf32, size, utf8);
};
const size_t size = 64;
transcode_utf32_to_utf8_test_base test([]() { return '*'; }, size + 32);
for (size_t j = 0; j < 1000; j++) {
uint32_t wrong_value = generator();
for (size_t i = 0; i < size; i++) {
auto old = test.input_utf32[i];
test.input_utf32[i] = wrong_value;
ASSERT_TRUE(test(procedure));
test.input_utf32[i] = old;
}
}
}
TEST(special_cases) {
const uint32_t utf32[] = {0x0000, 0x0054, 0x0001, 0x0000, 0x0000,
0x0007, 0x005d, 0x027f, 0x001a};
const char expected[] = "\x00\x54\x01\x00\x00\x07\x5d\xc9\xbf\x1a";
size_t utf8len =
implementation.utf8_length_from_utf32((const char32_t *)utf32, 9);
std::unique_ptr<char[]> utf8(new char[utf8len]);
size_t utf8size = implementation.convert_utf32_to_utf8(
(const char32_t *)utf32, 9, utf8.get());
for (size_t i = 0; i < utf8len; i++) {
ASSERT_EQUAL(utf8[i], expected[i]);
}
ASSERT_EQUAL(utf8size, utf8len);
}
#if SIMDUTF_CPLUSPLUS23
namespace {
template <auto input> constexpr auto size() {
return simdutf::utf8_length_from_utf32(input);
}
template <auto input> constexpr auto convert() {
using namespace simdutf::tests::helpers;
CTString<char8_t, size<input>()> tmp;
const auto ret = simdutf::convert_utf32_to_utf8(input, tmp);
if (ret != tmp.size()) {
throw "unexpected write size";
}
return tmp;
}
} // namespace
TEST(compile_time_convert_utf32_to_utf8) {
using namespace simdutf::tests::helpers;
constexpr auto input = U"köttbulle"_utf32;
constexpr auto expected = u8"köttbulle"_utf8;
constexpr auto output = convert<input>();
static_assert(output == expected);
}
#endif
TEST_MAIN
|
