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feat(unicode): add UTF string length functions

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This commit is contained in:
phaneron 2025-04-07 22:25:03 -04:00
parent ce9c709029
commit 68c162cde1
3 changed files with 166 additions and 2 deletions
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38
test/Unicode.cpp
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@ -96,3 +96,41 @@ TEST_CASE("SUniConvertUTF8to16", "[unicode]") {
REQUIRE(widechars[2] == 0x0000);
}
}
TEST_CASE("SUniConvertUTF8to16Len", "[unicode]") {
SECTION("fail with the correct result") {
uint8_t chars[] = { 0xE6, 0xB1, 0x89, 0xE5, 0xAD, 0x97, 0x00 };
uint32_t srcchars;
int32_t result;
result = SUniConvertUTF8to16Len(chars, 2, &srcchars);
REQUIRE(result == -3);
REQUIRE(srcchars == 0);
result = SUniConvertUTF8to16Len(chars, 3, &srcchars);
REQUIRE(result == -1);
REQUIRE(srcchars == 3);
result = SUniConvertUTF8to16Len(chars, 4, &srcchars);
REQUIRE(result == -3);
REQUIRE(srcchars == 3);
result = SUniConvertUTF8to16Len(chars, 5, &srcchars);
REQUIRE(result == -3);
REQUIRE(srcchars == 3);
result = SUniConvertUTF8to16Len(chars, 6, &srcchars);
REQUIRE(result == -1);
REQUIRE(srcchars == 6);
}
SECTION("get length correctly") {
uint8_t chars[] = { 0xE6, 0xB1, 0x89, 0xE5, 0xAD, 0x97, 0x00 };
uint32_t srcchars;
auto result = SUniConvertUTF8to16Len(chars, 7, &srcchars);
REQUIRE(result == 3);
REQUIRE(srcchars == 7);
}
}