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#include "simdutf.h"
#include <array>
#include <vector>
#include <tests/helpers/transcode_test_base.h>
#include <tests/helpers/random_int.h>
#include <tests/helpers/test.h>
namespace {
const 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_utf32_to_utf16_test_base;
} // namespace
TEST(issue_convert_utf32_to_utf16le_with_errors_97798701a75ebb21) {
alignas(4) const unsigned char data[] = {
0xfa, 0x04, 0x03, 0x03, 0x00, 0xef, 0xa1, 0xa5, 0x20, 0xef,
0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31,
0x31, 0x96, 0x96, 0x96, 0x04, 0x03, 0x03, 0x96, 0x96, 0x96,
0x96, 0x31, 0x31, 0x31, 0xd8, 0xa1, 0xa1, 0xdb, 0x00, 0x00};
constexpr std::size_t data_len_bytes = sizeof(data);
constexpr std::size_t data_len = data_len_bytes / sizeof(char32_t);
const auto validation1 = implementation.validate_utf32_with_errors(
(const char32_t *)data, data_len);
ASSERT_EQUAL(validation1.count, 0);
ASSERT_EQUAL(validation1.error, simdutf::error_code::TOO_LARGE);
const bool validation2 =
implementation.validate_utf32((const char32_t *)data, data_len);
ASSERT_EQUAL(validation1.error == simdutf::error_code::SUCCESS, validation2);
const auto outlen =
implementation.utf16_length_from_utf32((const char32_t *)data, data_len);
std::vector<char16_t> output(outlen);
const auto r = implementation.convert_utf32_to_utf16le_with_errors(
(const char32_t *)data, data_len, output.data());
ASSERT_EQUAL(r.error, simdutf::error_code::TOO_LARGE);
ASSERT_EQUAL(r.count, 0);
}
TEST_LOOP(convert_into_2_UTF16_bytes) {
// range for 2 UTF-16 bytes
simdutf::tests::helpers::RandomIntRanges random(
{{0x0000, 0xd7ff}, {0xe000, 0xffff}}, seed);
auto procedure = [&implementation](const char32_t *utf32, size_t size,
char16_t *utf16) -> size_t {
simdutf::result res =
implementation.convert_utf32_to_utf16le_with_errors(utf32, size, utf16);
ASSERT_EQUAL(res.error, simdutf::error_code::SUCCESS);
return res.count;
};
auto size_procedure = [&implementation](const char32_t *utf32,
size_t size) -> size_t {
return implementation.utf16_length_from_utf32(utf32, size);
};
for (size_t size : input_size) {
transcode_utf32_to_utf16_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
TEST_LOOP(convert_into_4_UTF16_bytes) {
// range for 4 UTF-16 bytes
simdutf::tests::helpers::RandomIntRanges random({{0x10000, 0x10ffff}}, seed);
auto procedure = [&implementation](const char32_t *utf32, size_t size,
char16_t *utf16) -> size_t {
simdutf::result res =
implementation.convert_utf32_to_utf16le_with_errors(utf32, size, utf16);
ASSERT_EQUAL(res.error, simdutf::error_code::SUCCESS);
return res.count;
};
auto size_procedure = [&implementation](const char32_t *utf32,
size_t size) -> size_t {
return implementation.utf16_length_from_utf32(utf32, size);
};
for (size_t size : input_size) {
transcode_utf32_to_utf16_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
TEST_LOOP(convert_into_2_or_4_UTF16_bytes) {
// range for 2 or 4 UTF-16 bytes (all codepoints)
simdutf::tests::helpers::RandomIntRanges random(
{{0x0000, 0xd7ff}, {0xe000, 0xffff}, {0x10000, 0x10ffff}}, seed);
auto procedure = [&implementation](const char32_t *utf32, size_t size,
char16_t *utf16) -> size_t {
simdutf::result res =
implementation.convert_utf32_to_utf16le_with_errors(utf32, size, utf16);
ASSERT_EQUAL(res.error, simdutf::error_code::SUCCESS);
return res.count;
};
auto size_procedure = [&implementation](const char32_t *utf32,
size_t size) -> size_t {
return implementation.utf16_length_from_utf32(utf32, size);
};
for (size_t size : input_size) {
transcode_utf32_to_utf16_test_base test(LE, random, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
TEST(convert_fails_if_there_is_surrogate) {
const size_t size = 64;
transcode_utf32_to_utf16_test_base test(LE, []() { return '*'; }, size + 32);
for (char32_t surrogate = 0xd800; surrogate <= 0xdfff; surrogate++) {
for (size_t i = 0; i < size; i++) {
auto procedure = [&implementation, &i](const char32_t *utf32, size_t size,
char16_t *utf16) -> size_t {
simdutf::result res =
implementation.convert_utf32_to_utf16le_with_errors(utf32, size,
utf16);
ASSERT_EQUAL(res.error, simdutf::error_code::SURROGATE);
ASSERT_EQUAL(res.count, i);
return 0;
};
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);
const size_t size = 64;
transcode_utf32_to_utf16_test_base test(LE, []() { 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 procedure = [&implementation, &i](const char32_t *utf32, size_t size,
char16_t *utf16) -> size_t {
simdutf::result res =
implementation.convert_utf32_to_utf16le_with_errors(utf32, size,
utf16);
ASSERT_EQUAL(res.error, simdutf::error_code::TOO_LARGE);
ASSERT_EQUAL(res.count, i);
return 0;
};
auto old = test.input_utf32[i];
test.input_utf32[i] = wrong_value;
ASSERT_TRUE(test(procedure));
test.input_utf32[i] = old;
}
}
}
TEST_MAIN
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