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#include "simdutf.h"
#include <array>
#include <tests/helpers/compiletime_conversions.h>
#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 {
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_latin1_to_utf16_test_base;
} // namespace
TEST_LOOP(convert_all_latin) {
// range for 2 UTF-16 bytes
simdutf::tests::helpers::RandomIntRanges random({{0x00, 0xff}}, seed);
auto procedure = [&implementation](const char *latin1, size_t size,
char16_t *utf16) -> size_t {
return implementation.convert_latin1_to_utf16le(latin1, size, utf16);
};
auto size_procedure =
[&implementation](simdutf_maybe_unused const char *latin1,
size_t size) -> size_t {
return implementation.utf16_length_from_latin1(size);
};
for (size_t size : input_size) {
transcode_latin1_to_utf16_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
#if SIMDUTF_CPLUSPLUS23
TEST(compile_time_convert_latin1_to_utf16le) {
using namespace simdutf::tests::helpers;
constexpr auto input = "hello"_latin1;
constexpr auto expected = u"hello"_utf16le;
constexpr auto output = latin1_to_utf16<std::endian::little>(input);
static_assert(output == expected);
}
namespace {
template <auto input> constexpr auto convert() {
using namespace simdutf::tests::helpers;
CTString<char16_t, input.size()> tmp;
auto N = simdutf::convert_latin1_to_utf16(input, tmp);
if (N != input.size()) {
throw "oops";
}
return tmp;
}
} // namespace
// this is here to execute the simdutf::convert_latin1_to_utf16(), to ensure
// it is constexpr
TEST(compile_time_convert_latin1_to_utf16) {
using namespace simdutf::tests::helpers;
constexpr auto input = "hello"_latin1;
constexpr auto expected = u"hello"_utf16;
constexpr auto output = latin1_to_utf16<std::endian::native>(input);
static_assert(output == expected);
constexpr auto native = convert<input>();
static_assert(native == output);
}
#endif
TEST_MAIN
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