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#include "simdutf.h"
#include <array>
#include <memory>
#include <tests/helpers/transcode_test_base.h>
#include <tests/helpers/random_int.h>
#include <tests/helpers/test.h>
namespace {
constexpr std::array<size_t, 9> input_size{7, 12, 16, 64, 67,
128, 256, 511, 1000};
constexpr simdutf::endianness LE = simdutf::endianness::LITTLE;
using simdutf::tests::helpers::transcode_utf8_to_utf16_test_base;
} // namespace
TEST(issue_641) {
alignas(1) const unsigned char data[] = {
0x20, 0x20, 0x20, 0x20, 0x20, 0xe4, 0xac, 0xa4, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0xe4, 0xac,
0xa4, 0x20, 0x20, 0x20, 0xf2, 0x81, 0xaa, 0xa5, 0x20, 0x20};
constexpr std::size_t data_len_bytes = sizeof(data);
constexpr std::size_t data_len = data_len_bytes / sizeof(char);
const auto validation1 =
implementation.validate_utf8_with_errors((const char *)data, data_len);
ASSERT_EQUAL(validation1.count, 32);
ASSERT_EQUAL(validation1.error, simdutf::error_code::SUCCESS);
const bool validation2 =
implementation.validate_utf8((const char *)data, data_len);
ASSERT_EQUAL(validation1.error == simdutf::error_code::SUCCESS, validation2);
if (validation1.error != simdutf::error_code::SUCCESS) {
return;
}
const auto outlen =
implementation.utf16_length_from_utf8((const char *)data, data_len);
ASSERT_EQUAL(outlen, 26);
std::vector<char16_t> output(outlen);
const auto r = implementation.convert_valid_utf8_to_utf16le(
(const char *)data, data_len, output.data());
ASSERT_EQUAL(r, 26);
const std::vector<char16_t> expected_out{
#if SIMDUTF_IS_BIG_ENDIAN
0x2000, 0x2000, 0x2000, 0x2000, 0x2000, 0x244B, 0x2000, 0x2000, // 0-7
0x2000, 0x2000, 0x2000, 0x2000, 0x2000, 0x2000, 0x2000, 0x2000, // 8-15
0x2000, 0x2000, 0x244B, 0x2000, 0x2000, 0x2000, 0xC6D9, 0xA5DE, // 16-23
0x2000, 0x2000 // 24-25
#else
0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x4B24, 0x0020, 0x0020, // 0-7
0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, // 8-15
0x0020, 0x0020, 0x4B24, 0x0020, 0x0020, 0x0020, 0xD9C6, 0xDEA5, // 16-23
0x0020, 0x0020 // 24-25
#endif
};
ASSERT_EQUAL(output.size(), expected_out.size());
bool good = true;
for (std::size_t i = 0; i < output.size(); ++i) {
if (output.at(i) != expected_out.at(i)) {
std::printf("pos %ld %ld!=%ld (actual vs expected)\n",
static_cast<long>(i), static_cast<long>(output.at(i)),
static_cast<long>(expected_out.at(i)));
good = false;
}
};
ASSERT_TRUE(good);
}
TEST_LOOP(convert_pure_ASCII) {
size_t counter = 0;
auto generator = [&counter]() -> uint32_t { return counter++ & 0x7f; };
auto procedure = [&implementation](const char *utf8, size_t size,
char16_t *utf16) -> size_t {
return implementation.convert_valid_utf8_to_utf16le(utf8, size, utf16);
};
for (size_t size : input_size) {
transcode_utf8_to_utf16_test_base test(LE, generator, size);
ASSERT_TRUE(test(procedure));
}
}
TEST_LOOP(convert_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 char *utf8, size_t size,
char16_t *utf16) -> size_t {
return implementation.convert_valid_utf8_to_utf16le(utf8, size, utf16);
};
for (size_t size : input_size) {
transcode_utf8_to_utf16_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
}
}
TEST_LOOP(convert_1_or_2_or_3_UTF8_bytes) {
// range for 1, 2 or 3 UTF-8 bytes
simdutf::tests::helpers::RandomIntRanges random(
{{0x0000, 0xd7ff}, {0xe000, 0xffff}}, seed);
auto procedure = [&implementation](const char *utf8, size_t size,
char16_t *utf16) -> size_t {
return implementation.convert_valid_utf8_to_utf16le(utf8, size, utf16);
};
for (size_t size : input_size) {
transcode_utf8_to_utf16_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
}
}
TEST_LOOP(convert_3_UTF8_bytes) {
simdutf::tests::helpers::RandomIntRanges random(
{{0x0800, 0xd800 - 1}}, seed); // range for 3 UTF-8 bytes
auto procedure = [&implementation](const char *utf8, size_t size,
char16_t *utf16) -> size_t {
return implementation.convert_valid_utf8_to_utf16le(utf8, size, utf16);
};
for (size_t size : input_size) {
transcode_utf8_to_utf16_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
}
}
TEST_LOOP(convert_3_or_4_UTF8_bytes) {
simdutf::tests::helpers::RandomIntRanges random(
{{0x0800, 0xd800 - 1}, {0xe000, 0x10ffff}},
seed); // range for 3 or 4 UTF-8 bytes
auto procedure = [&implementation](const char *utf8, size_t size,
char16_t *utf16) -> size_t {
return implementation.convert_valid_utf8_to_utf16le(utf8, size, utf16);
};
for (size_t size : input_size) {
transcode_utf8_to_utf16_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
}
}
TEST_LOOP(convert_null_4_UTF8_bytes) {
simdutf::tests::helpers::RandomIntRanges random(
{{0x0000, 0x00000}, {0x10000, 0x10ffff}},
seed); // range for 3 or 4 UTF-8 bytes
auto procedure = [&implementation](const char *utf8, size_t size,
char16_t *utf16) -> size_t {
return implementation.convert_valid_utf8_to_utf16le(utf8, size, utf16);
};
for (size_t size : input_size) {
transcode_utf8_to_utf16_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
}
}
TEST(issue111) {
// We stick to ASCII for our source code given that there is no universal way
// to specify the character encoding of the source files.
char16_t input[] =
u"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\u30b3aa"
u"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
const size_t utf16_len = sizeof(input) / sizeof(char16_t);
to_utf16le_inplace(input, utf16_len);
ASSERT_TRUE(implementation.validate_utf16le(input, utf16_len));
ASSERT_EQUAL(implementation.utf8_length_from_utf16le(input, utf16_len),
2 + utf16_len);
size_t utf8_len = implementation.utf8_length_from_utf16le(input, utf16_len);
std::unique_ptr<char[]> utf8_buffer{new char[utf8_len]};
ASSERT_EQUAL(implementation.convert_valid_utf16le_to_utf8(input, utf16_len,
utf8_buffer.get()),
utf8_len);
std::unique_ptr<char16_t[]> utf16_buffer{new char16_t[utf16_len]};
ASSERT_EQUAL(implementation.convert_valid_utf8_to_utf16le(
utf8_buffer.get(), utf8_len, utf16_buffer.get()),
utf16_len);
ASSERT_EQUAL(
std::char_traits<char16_t>::compare(input, utf16_buffer.get(), utf16_len),
0);
}
TEST(special_cases) {
const uint8_t utf8[] = {0xC2, 0xA9}; // copyright sign
const uint8_t expected[] = {0xA9, 0x00}; // expected UTF-16LE
size_t utf16len =
implementation.utf16_length_from_utf8((const char *)utf8, 2);
ASSERT_EQUAL(utf16len, 1);
std::unique_ptr<char16_t[]> utf16(new char16_t[utf16len]);
size_t utf16size = implementation.convert_valid_utf8_to_utf16le(
(const char *)utf8, 2, utf16.get());
ASSERT_EQUAL(utf16size, utf16len);
ASSERT_EQUAL(memcmp((const char *)utf16.get(), expected, 2), 0);
}
TEST_MAIN
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