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#include "simdutf.h"
#include <array>
#include <vector>
#include <tests/reference/validate_utf16.h>
#include <tests/reference/decode_utf16.h>
#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 BE = simdutf::endianness::BIG;
using simdutf::tests::helpers::transcode_utf16_to_latin1_test_base;
} // namespace
TEST(issue_convert_utf16be_to_latin1_with_errors_461) {
const unsigned char data[] = {0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20,
0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20,
0x00, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20};
constexpr std::size_t data_len_bytes = sizeof(data);
constexpr std::size_t data_len = data_len_bytes / sizeof(char16_t);
std::vector<char> output(4 * data_len);
const auto r = implementation.convert_utf16be_to_latin1_with_errors(
(const char16_t *)data, data_len, output.data());
/*
got return [count=13, error=TOO_LARGE] from implementation icelake
got return [count=13, error=TOO_LARGE] from implementation haswell
got return [count=13, error=TOO_LARGE] from implementation westmere
got return [count=16, error=SUCCESS] from implementation fallback
*/
ASSERT_EQUAL(r.count, 13);
ASSERT_EQUAL(r.error, simdutf::error_code::TOO_LARGE);
}
TEST(issue_convert_utf16be_to_latin1_with_errors_cbf29ce484222384) {
const unsigned char data[] = {0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00,
0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00};
constexpr std::size_t data_len_bytes = sizeof(data);
constexpr std::size_t data_len = data_len_bytes / sizeof(char16_t);
std::vector<char> output(4 * data_len);
const auto r = implementation.convert_utf16be_to_latin1_with_errors(
(const char16_t *)data, data_len, output.data());
/*
got return [count=0, error=TOO_LARGE] from implementation icelake
got return [count=0, error=TOO_LARGE] from implementation haswell
got return [count=8, error=SUCCESS] from implementation westmere
got return [count=0, error=TOO_LARGE] from implementation fallback
*/
ASSERT_EQUAL(r.count, 0);
ASSERT_EQUAL(r.error, simdutf::error_code::TOO_LARGE);
}
TEST_LOOP(convert_2_UTF16_bytes) {
// range for 1, 2 or 3 UTF-8 bytes
simdutf::tests::helpers::RandomIntRanges random({{0x0000, 0x00ff}}, seed);
auto procedure = [&implementation](const char16_t *utf16, size_t size,
char *latin1) -> size_t {
const simdutf::result res =
implementation.convert_utf16be_to_latin1_with_errors(utf16, size,
latin1);
ASSERT_EQUAL(res.error, simdutf::error_code::SUCCESS);
return res.count;
};
auto size_procedure =
[&implementation](simdutf_maybe_unused const char16_t *utf16,
size_t size) -> size_t {
return implementation.latin1_length_from_utf16(size);
};
for (size_t size : input_size) {
transcode_utf16_to_latin1_test_base test(BE, random, size);
ASSERT_TRUE(test(procedure));
ASSERT_TRUE(test.check_size(size_procedure));
}
}
TEST(convert_fails_if_input_too_large) {
uint32_t seed{1234};
simdutf::tests::helpers::RandomInt generator(0xff, 0xffff, seed);
const size_t size = 64;
transcode_utf16_to_latin1_test_base test(BE, []() { return '*'; }, size + 32);
for (size_t j = 0; j < 1000; j++) {
const auto wrong_value = to_utf16be(generator());
for (size_t i = 0; i < size; i++) {
auto procedure = [&implementation, &i](const char16_t *utf16, size_t size,
char *latin1) -> size_t {
const simdutf::result res =
implementation.convert_utf16be_to_latin1_with_errors(utf16, size,
latin1);
ASSERT_EQUAL(res.error, simdutf::error_code::TOO_LARGE);
ASSERT_EQUAL(res.count, i);
return 0;
};
const auto old = test.input_utf16[i];
test.input_utf16[i] = wrong_value;
ASSERT_TRUE(test(procedure));
test.input_utf16[i] = old;
}
}
}
TEST_MAIN
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