500     CharString chStr(longStr, errorCode);  in TestCharString()  local
501     if (0 != strcmp(longStr, chStr.data()) || (int32_t)strlen(longStr) != chStr.length()) {  in TestCharString()
506     copy.copyFrom(chStr, errorCode);  in TestCharString()
510     StringPiece sp(chStr.toStringPiece());  in TestCharString()
512     chStr.append(sp, errorCode).append(chStr, errorCode);  in TestCharString()
517     if (0 != strcmp(expected, chStr.data()) || (int32_t)strlen(expected) != chStr.length()) {  in TestCharString()
520     chStr.clear().append("abc", errorCode).append("defghij", 3, errorCode);  in TestCharString()
521     if (0 != strcmp("abcdef", chStr.data()) || 6 != chStr.length()) {  in TestCharString()
524     chStr.appendInvariantChars(UNICODE_STRING_SIMPLE(  in TestCharString()
529     if (0 != strcmp(expected, chStr.data()) || (int32_t)strlen(expected) != chStr.length()) {  in TestCharString()
533     char *buffer = chStr.getAppendBuffer(5, 10, appendCapacity, errorCode);  in TestCharString()
538     chStr.append(buffer, 5, errorCode);  in TestCharString()
539     chStr.truncate(chStr.length()-3);  in TestCharString()
541     if (0 != strcmp(expected, chStr.data()) || (int32_t)strlen(expected) != chStr.length()) {  in TestCharString()
546     chStr.clear();  in TestCharString()
547     chStr.appendInvariantChars(UnicodeString("The '@' character is not invariant."), ec);  in TestCharString()
551     if (chStr.length() != 0) {  in TestCharString()
552         errln("%s:%d expected length() = 0, got %d", __FILE__, __LINE__, chStr.length());  in TestCharString()