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// © 2025 and later: Unicode, Inc. and others.
// License & terms of use: https://www.unicode.org/copyright.html
// utfstringtest.cpp
// created: 2025jul18 Markus W. Scherer
#include <string>
// Test header-only ICU C++ APIs. Do not use other ICU C++ APIs.
// Non-default configuration:
#define U_SHOW_CPLUSPLUS_API 0
// Default configuration:
// #define U_SHOW_CPLUSPLUS_HEADER_API 1
#include "unicode/utypes.h"
#include "unicode/utfstring.h"
#include "intltest.h"
class UTFStringTest : public IntlTest {
public:
void runIndexedTest(int32_t index, UBool exec, const char *&name, char * /*par*/) override {
if (exec) { logln("TestSuite UTFStringTest: "); }
TESTCASE_AUTO_BEGIN;
TESTCASE_AUTO(testAppendOrFFFD);
TESTCASE_AUTO(testAppendUnsafe);
TESTCASE_AUTO(testEncodeOrFFFD);
TESTCASE_AUTO(testEncodeUnsafe);
TESTCASE_AUTO_END;
}
void testAppendOrFFFD();
void testAppendUnsafe();
void testEncodeOrFFFD();
void testEncodeUnsafe();
};
extern IntlTest *createUTFStringTest() {
return new UTFStringTest();
}
#define CHARS(s) reinterpret_cast<const char *>(s)
void UTFStringTest::testAppendOrFFFD() {
using icu::header::utfstring::appendOrFFFD;
{
std::string s;
s.push_back(u8'_');
appendOrFFFD(s, U'4').push_back(u8'|');
appendOrFFFD(s, U'ç').push_back(u8'|');
appendOrFFFD(s, U'カ').push_back(u8'|');
appendOrFFFD(s, 0xd800).push_back(u8'|');
appendOrFFFD(s, 0xdfff).push_back(u8'|');
appendOrFFFD(s, U'４').push_back(u8'|');
appendOrFFFD(s, U'🚴').push_back(u8'|');
appendOrFFFD(s, 0x110000).push_back(u8'|');
appendOrFFFD(s, -1).push_back(u8'.');
assertTrue("string", s == CHARS(u8"_4|ç|カ|\uFFFD|\uFFFD|４|🚴|\uFFFD|\uFFFD."));
}
#if U_CPLUSPLUS_VERSION >= 20
{
std::u8string s;
s.push_back(u8'_');
appendOrFFFD(s, U'4').push_back(u8'|');
appendOrFFFD(s, U'ç').push_back(u8'|');
appendOrFFFD(s, U'カ').push_back(u8'|');
appendOrFFFD(s, 0xd800).push_back(u8'|');
appendOrFFFD(s, 0xdfff).push_back(u8'|');
appendOrFFFD(s, U'４').push_back(u8'|');
appendOrFFFD(s, U'🚴').push_back(u8'|');
appendOrFFFD(s, 0x110000).push_back(u8'|');
appendOrFFFD(s, -1).push_back(u8'.');
assertTrue("string", s == u8"_4|ç|カ|\uFFFD|\uFFFD|４|🚴|\uFFFD|\uFFFD.");
}
#endif
{
std::u16string s;
s.push_back(u'_');
appendOrFFFD(s, U'4').push_back(u'|');
appendOrFFFD(s, U'ç').push_back(u'|');
appendOrFFFD(s, U'カ').push_back(u'|');
appendOrFFFD(s, 0xd800).push_back(u'|');
appendOrFFFD(s, 0xdfff).push_back(u'|');
appendOrFFFD(s, U'４').push_back(u'|');
appendOrFFFD(s, U'🚴').push_back(u'|');
appendOrFFFD(s, 0x110000).push_back(u'|');
appendOrFFFD(s, -1).push_back(u'.');
assertEquals("u16string", u"_4|ç|カ|\uFFFD|\uFFFD|４|🚴|\uFFFD|\uFFFD.", s);
}
{
std::u32string s;
s.push_back(u'_');
appendOrFFFD(s, U'4').push_back(u'|');
appendOrFFFD(s, U'ç').push_back(u'|');
appendOrFFFD(s, U'カ').push_back(u'|');
appendOrFFFD(s, 0xd800).push_back(u'|');
appendOrFFFD(s, 0xdfff).push_back(u'|');
appendOrFFFD(s, U'４').push_back(u'|');
appendOrFFFD(s, U'🚴').push_back(u'|');
appendOrFFFD(s, 0x110000).push_back(u'|');
appendOrFFFD(s, -1).push_back(u'.');
assertTrue("u32string", s == U"_4|ç|カ|\uFFFD|\uFFFD|４|🚴|\uFFFD|\uFFFD.");
}
}
void UTFStringTest::testAppendUnsafe() {
using icu::header::utfstring::appendUnsafe;
{
std::string s;
s.push_back(u8'_');
appendUnsafe(s, U'4').push_back(u8'|');
appendUnsafe(s, U'ç').push_back(u8'|');
appendUnsafe(s, U'カ').push_back(u8'|');
appendUnsafe(s, U'４').push_back(u8'|');
appendUnsafe(s, U'🚴').push_back(u8'.');
assertTrue("string", s == CHARS(u8"_4|ç|カ|４|🚴."));
}
#if U_CPLUSPLUS_VERSION >= 20
{
std::u8string s;
s.push_back(u8'_');
appendUnsafe(s, U'4').push_back(u8'|');
appendUnsafe(s, U'ç').push_back(u8'|');
appendUnsafe(s, U'カ').push_back(u8'|');
appendUnsafe(s, U'４').push_back(u8'|');
appendUnsafe(s, U'🚴').push_back(u8'.');
assertTrue("string", s == u8"_4|ç|カ|４|🚴.");
}
#endif
{
std::u16string s;
s.push_back(u'_');
appendUnsafe(s, U'4').push_back(u'|');
appendUnsafe(s, U'ç').push_back(u'|');
appendUnsafe(s, U'カ').push_back(u'|');
appendUnsafe(s, U'４').push_back(u'|');
appendUnsafe(s, U'🚴').push_back(u'.');
assertEquals("u16string", u"_4|ç|カ|４|🚴.", s);
}
{
std::u32string s;
s.push_back(u'_');
appendUnsafe(s, U'4').push_back(u'|');
appendUnsafe(s, U'ç').push_back(u'|');
appendUnsafe(s, U'カ').push_back(u'|');
appendUnsafe(s, U'４').push_back(u'|');
appendUnsafe(s, U'🚴').push_back(u'.');
assertTrue("u32string", s == U"_4|ç|カ|４|🚴.");
}
}
void UTFStringTest::testEncodeOrFFFD() {
using icu::header::utfstring::encodeOrFFFD;
{
assertTrue("string 4", encodeOrFFFD<std::string>(U'4') == CHARS(u8"4"));
assertTrue("string ced", encodeOrFFFD<std::string>(U'ç') == CHARS(u8"ç"));
assertTrue("string ka", encodeOrFFFD<std::string>(U'カ') == CHARS(u8"カ"));
assertTrue("string D800", encodeOrFFFD<std::string>(0xd800) == CHARS(u8"\uFFFD"));
assertTrue("string DFFF", encodeOrFFFD<std::string>(0xdfff) == CHARS(u8"\uFFFD"));
assertTrue("string fw4", encodeOrFFFD<std::string>(U'４') == CHARS(u8"４"));
assertTrue("string bike", encodeOrFFFD<std::string>(U'🚴') == CHARS(u8"🚴"));
assertTrue("string high", encodeOrFFFD<std::string>(0x110000) == CHARS(u8"\uFFFD"));
assertTrue("string neg", encodeOrFFFD<std::string>(-1) == CHARS(u8"\uFFFD"));
}
#if U_CPLUSPLUS_VERSION >= 20
{
assertTrue("u8string 4", encodeOrFFFD<std::u8string>(U'4') == u8"4");
assertTrue("u8string ced", encodeOrFFFD<std::u8string>(U'ç') == u8"ç");
assertTrue("u8string ka", encodeOrFFFD<std::u8string>(U'カ') == u8"カ");
assertTrue("u8string D800", encodeOrFFFD<std::u8string>(0xd800) == u8"\uFFFD");
assertTrue("u8string DFFF", encodeOrFFFD<std::u8string>(0xdfff) == u8"\uFFFD");
assertTrue("u8string fw4", encodeOrFFFD<std::u8string>(U'４') == u8"４");
assertTrue("u8string bike", encodeOrFFFD<std::u8string>(U'🚴') == u8"🚴");
assertTrue("u8string high", encodeOrFFFD<std::u8string>(0x110000) == u8"\uFFFD");
assertTrue("u8string neg", encodeOrFFFD<std::u8string>(-1) == u8"\uFFFD");
}
#endif
{
assertTrue("u16string 4", encodeOrFFFD<std::u16string>(U'4') == u"4");
assertTrue("u16string ced", encodeOrFFFD<std::u16string>(U'ç') == u"ç");
assertTrue("u16string ka", encodeOrFFFD<std::u16string>(U'カ') == u"カ");
assertTrue("u16string D800", encodeOrFFFD<std::u16string>(0xd800) == u"\uFFFD");
assertTrue("u16string DFFF", encodeOrFFFD<std::u16string>(0xdfff) == u"\uFFFD");
assertTrue("u16string fw4", encodeOrFFFD<std::u16string>(U'４') == u"４");
assertTrue("u16string bike", encodeOrFFFD<std::u16string>(U'🚴') == u"🚴");
assertTrue("u16string high", encodeOrFFFD<std::u16string>(0x110000) == u"\uFFFD");
assertTrue("u16string neg", encodeOrFFFD<std::u16string>(-1) == u"\uFFFD");
}
{
assertTrue("u32string 4", encodeOrFFFD<std::u32string>(U'4') == U"4");
assertTrue("u32string ced", encodeOrFFFD<std::u32string>(U'ç') == U"ç");
assertTrue("u32string ka", encodeOrFFFD<std::u32string>(U'カ') == U"カ");
assertTrue("u32string D800", encodeOrFFFD<std::u32string>(0xd800) == U"\uFFFD");
assertTrue("u32string DFFF", encodeOrFFFD<std::u32string>(0xdfff) == U"\uFFFD");
assertTrue("u32string fw4", encodeOrFFFD<std::u32string>(U'４') == U"４");
assertTrue("u32string bike", encodeOrFFFD<std::u32string>(U'🚴') == U"🚴");
assertTrue("u32string high", encodeOrFFFD<std::u32string>(0x110000) == U"\uFFFD");
assertTrue("u32string neg", encodeOrFFFD<std::u32string>(-1) == U"\uFFFD");
}
}
void UTFStringTest::testEncodeUnsafe() {
using icu::header::utfstring::encodeUnsafe;
{
assertTrue("string 4", encodeUnsafe<std::string>(U'4') == CHARS(u8"4"));
assertTrue("string ced", encodeUnsafe<std::string>(U'ç') == CHARS(u8"ç"));
assertTrue("string ka", encodeUnsafe<std::string>(U'カ') == CHARS(u8"カ"));
assertTrue("string fw4", encodeUnsafe<std::string>(U'４') == CHARS(u8"４"));
assertTrue("string bike", encodeUnsafe<std::string>(U'🚴') == CHARS(u8"🚴"));
}
#if U_CPLUSPLUS_VERSION >= 20
{
assertTrue("u8string 4", encodeUnsafe<std::u8string>(U'4') == u8"4");
assertTrue("u8string ced", encodeUnsafe<std::u8string>(U'ç') == u8"ç");
assertTrue("u8string ka", encodeUnsafe<std::u8string>(U'カ') == u8"カ");
assertTrue("u8string fw4", encodeUnsafe<std::u8string>(U'４') == u8"４");
assertTrue("u8string bike", encodeUnsafe<std::u8string>(U'🚴') == u8"🚴");
}
#endif
{
assertTrue("u16string 4", encodeUnsafe<std::u16string>(U'4') == u"4");
assertTrue("u16string ced", encodeUnsafe<std::u16string>(U'ç') == u"ç");
assertTrue("u16string ka", encodeUnsafe<std::u16string>(U'カ') == u"カ");
assertTrue("u16string fw4", encodeUnsafe<std::u16string>(U'４') == u"４");
assertTrue("u16string bike", encodeUnsafe<std::u16string>(U'🚴') == u"🚴");
}
{
assertTrue("u32string 4", encodeUnsafe<std::u32string>(U'4') == U"4");
assertTrue("u32string ced", encodeUnsafe<std::u32string>(U'ç') == U"ç");
assertTrue("u32string ka", encodeUnsafe<std::u32string>(U'カ') == U"カ");
assertTrue("u32string fw4", encodeUnsafe<std::u32string>(U'４') == U"４");
assertTrue("u32string bike", encodeUnsafe<std::u32string>(U'🚴') == U"🚴");
}
}
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