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#include "simdutf.h"
#include <array>
#include <tests/helpers/transcode_test_base.h>
#include <tests/helpers/random_int.h>
#include <tests/helpers/test.h>
namespace {
constexpr std::array<size_t, 7> input_size{7, 16, 12, 64, 67, 128, 256};
constexpr simdutf::endianness LE = simdutf::endianness::LITTLE;
using simdutf::tests::helpers::transcode_utf16_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 char16_t *utf16, size_t size,
char *utf8) -> size_t {
const simdutf::result res =
implementation.convert_utf16le_to_utf8_with_errors(utf16, size, utf8);
ASSERT_EQUAL(res.error, simdutf::error_code::SUCCESS);
return res.count;
};
auto size_procedure = [&implementation](const char16_t *utf16,
size_t size) -> size_t {
return implementation.utf8_length_from_utf16le(utf16, size);
};
std::array<size_t, 1> input_size{16};
for (size_t size : input_size) {
transcode_utf16_to_utf8_test_base test(LE, 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 char16_t *utf16, size_t size,
char *utf8) -> size_t {
simdutf::result res =
implementation.convert_utf16le_to_utf8_with_errors(utf16, size, utf8);
ASSERT_EQUAL(res.error, simdutf::error_code::SUCCESS);
return res.count;
};
auto size_procedure = [&implementation](const char16_t *utf16,
size_t size) -> size_t {
return implementation.utf8_length_from_utf16le(utf16, size);
};
for (size_t size : input_size) {
transcode_utf16_to_utf8_test_base test(LE, 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 char16_t *utf16, size_t size,
char *utf8) -> size_t {
simdutf::result res =
implementation.convert_utf16le_to_utf8_with_errors(utf16, size, utf8);
ASSERT_EQUAL(res.error, simdutf::error_code::SUCCESS);
return res.count;
};
auto size_procedure = [&implementation](const char16_t *utf16,
size_t size) -> size_t {
return implementation.utf8_length_from_utf16le(utf16, size);
};
for (size_t size : input_size) {
transcode_utf16_to_utf8_test_base test(LE, 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 char16_t *utf16, size_t size,
char *utf8) -> size_t {
const simdutf::result res =
implementation.convert_utf16le_to_utf8_with_errors(utf16, size, utf8);
ASSERT_EQUAL(res.error, simdutf::error_code::SUCCESS);
return res.count;
};
auto size_procedure = [&implementation](const char16_t *utf16,
size_t size) -> size_t {
return implementation.utf8_length_from_utf16le(utf16, size);
};
for (size_t size : input_size) {
transcode_utf16_to_utf8_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
TEST(convert_fails_if_there_is_sole_low_surrogate) {
const size_t size = 64;
transcode_utf16_to_utf8_test_base test(LE, []() { return '*'; }, size + 32);
for (char16_t low_surrogate = 0xdc00; low_surrogate <= 0xdfff;
low_surrogate++) {
for (size_t i = 0; i < size; i++) {
auto procedure = [&implementation, &i](const char16_t *utf16, size_t size,
char *utf8) -> size_t {
const simdutf::result res =
implementation.convert_utf16le_to_utf8_with_errors(utf16, size,
utf8);
ASSERT_EQUAL(res.error, simdutf::error_code::SURROGATE);
ASSERT_EQUAL(res.count, i);
return 0;
};
const auto old = test.input_utf16[i];
test.input_utf16[i] = to_utf16le(low_surrogate);
ASSERT_TRUE(test(procedure));
test.input_utf16[i] = old;
}
}
}
TEST(convert_fails_if_there_is_sole_high_surrogate) {
const size_t size = 64;
transcode_utf16_to_utf8_test_base test(LE, []() { return '*'; }, size + 32);
for (char16_t high_surrogate = 0xdc00; high_surrogate <= 0xdfff;
high_surrogate++) {
for (size_t i = 0; i < size; i++) {
auto procedure = [&implementation, &i](const char16_t *utf16, size_t size,
char *utf8) -> size_t {
const simdutf::result res =
implementation.convert_utf16le_to_utf8_with_errors(utf16, size,
utf8);
ASSERT_EQUAL(res.error, simdutf::error_code::SURROGATE);
ASSERT_EQUAL(res.count, i);
return 0;
};
const auto old = test.input_utf16[i];
test.input_utf16[i] = to_utf16le(high_surrogate);
ASSERT_TRUE(test(procedure));
test.input_utf16[i] = old;
}
}
}
TEST(
convert_fails_if_there_is_low_surrogate_is_followed_by_another_low_surrogate) {
const size_t size = 64;
transcode_utf16_to_utf8_test_base test(LE, []() { return '*'; }, size + 32);
for (char16_t low_surrogate = 0xdc00; low_surrogate <= 0xdfff;
low_surrogate++) {
for (size_t i = 0; i < size - 1; i++) {
auto procedure = [&implementation, &i](const char16_t *utf16, size_t size,
char *utf8) -> size_t {
const simdutf::result res =
implementation.convert_utf16le_to_utf8_with_errors(utf16, size,
utf8);
ASSERT_EQUAL(res.error, simdutf::error_code::SURROGATE);
ASSERT_EQUAL(res.count, i);
return 0;
};
const auto old0 = test.input_utf16[i + 0];
const auto old1 = test.input_utf16[i + 1];
test.input_utf16[i + 0] = to_utf16le(low_surrogate);
test.input_utf16[i + 1] = to_utf16le(low_surrogate);
ASSERT_TRUE(test(procedure));
test.input_utf16[i + 0] = old0;
test.input_utf16[i + 1] = old1;
}
}
}
TEST(convert_fails_if_there_is_surrogate_pair_is_followed_by_high_surrogate) {
const size_t size = 64;
transcode_utf16_to_utf8_test_base test(LE, []() { return '*'; }, size + 32);
const char16_t low_surrogate = to_utf16le(0xd801);
const char16_t high_surrogate = to_utf16le(0xdc02);
for (size_t i = 0; i < size - 2; i++) {
auto procedure = [&implementation, &i](const char16_t *utf16, size_t size,
char *utf8) -> size_t {
const simdutf::result res =
implementation.convert_utf16le_to_utf8_with_errors(utf16, size, utf8);
ASSERT_EQUAL(res.error, simdutf::error_code::SURROGATE);
ASSERT_EQUAL(res.count, i + 2);
return 0;
};
const auto old0 = test.input_utf16[i + 0];
const auto old1 = test.input_utf16[i + 1];
const auto old2 = test.input_utf16[i + 2];
test.input_utf16[i + 0] = low_surrogate;
test.input_utf16[i + 1] = high_surrogate;
test.input_utf16[i + 2] = high_surrogate;
ASSERT_TRUE(test(procedure));
test.input_utf16[i + 0] = old0;
test.input_utf16[i + 1] = old1;
test.input_utf16[i + 2] = old2;
}
}
TEST_MAIN
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