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test: utf8_to_ucs4 with invalid strings

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This commit is contained in:
patrick96
2023-05-10 15:35:14 +02:00
committed by Patrick Ziegler
parent 3a27e891d2
commit c86519f077
2 changed files with 26 additions and 4 deletions
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25
tests/unit_tests/utils/string.cpp
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@ -225,7 +225,7 @@ const vector<single_test_t> utf8_to_ucs4_single_list = {
INSTANTIATE_TEST_SUITE_P(Inst, Utf8ToUCS4SingleTest, testing::ValuesIn(utf8_to_ucs4_single_list));
/**
* Test that the conversion to ucs4 works correctly with pure ASCII strings.
* Test that the conversion to ucs4 works correctly with a single UTF8 character
*/
TEST_P(Utf8ToUCS4SingleTest, correctness) {
string_util::unicode_charlist result_list{};
@ -244,4 +244,27 @@ TEST_P(Utf8ToUCS4SingleTest, correctness) {
// Must match expected codepoint
EXPECT_EQ(codepoint, unicode_char.codepoint);
}
class Utf8ToUCS4InvalidTest : public testing::TestWithParam<string> {};
const vector<string> utf8_to_ucs4_invalid_list = {
"\x80", // continuation byte without leading byte
"\xa0", // 2 byte code point with only leading byte
"\xe0", // 3 byte code point with only leading byte
"\xf0", // 4 byte code point with only leading byte
"\xf0\x80\x80", // 4 byte code point with only 3 bytes
"\xe0\x70\x80", // 3 byte code point, 2nd byte has no continuation prefix
};
INSTANTIATE_TEST_SUITE_P(Inst, Utf8ToUCS4InvalidTest, testing::ValuesIn(utf8_to_ucs4_invalid_list));
/**
* Tests that the conversion correctly returns false for invalid strings.
*/
TEST_P(Utf8ToUCS4InvalidTest, correctness) {
string_util::unicode_charlist result_list{};
const auto str = GetParam();
bool success = string_util::utf8_to_ucs4(str.c_str(), result_list);
EXPECT_FALSE(success);
}
// }}}