+
+void
+UnicodeStringTest::doTestAppendable(UnicodeString &dest, Appendable &app) {
+ static const UChar cde[3]={ 0x63, 0x64, 0x65 };
+ static const UChar fg[3]={ 0x66, 0x67, 0 };
+ if(!app.reserveAppendCapacity(12)) {
+ errln("Appendable.reserve(12) failed");
+ }
+ app.appendCodeUnit(0x61);
+ app.appendCodePoint(0x62);
+ app.appendCodePoint(0x50000);
+ app.appendString(cde, 3);
+ app.appendString(fg, -1);
+ UChar scratch[3];
+ int32_t capacity=-1;
+ UChar *buffer=app.getAppendBuffer(3, 3, scratch, 3, &capacity);
+ if(capacity<3) {
+ errln("Appendable.getAppendBuffer(min=3) returned capacity=%d<3", (int)capacity);
+ return;
+ }
+ static const UChar hij[3]={ 0x68, 0x69, 0x6a };
+ u_memcpy(buffer, hij, 3);
+ app.appendString(buffer, 3);
+ if(dest!=UNICODE_STRING_SIMPLE("ab\\U00050000cdefghij").unescape()) {
+ errln("Appendable.append(...) failed");
+ }
+ buffer=app.getAppendBuffer(0, 3, scratch, 3, &capacity);
+ if(buffer!=NULL || capacity!=0) {
+ errln("Appendable.getAppendBuffer(min=0) failed");
+ }
+ capacity=1;
+ buffer=app.getAppendBuffer(3, 3, scratch, 2, &capacity);
+ if(buffer!=NULL || capacity!=0) {
+ errln("Appendable.getAppendBuffer(scratch<min) failed");
+ }
+}
+
+class SimpleAppendable : public Appendable {
+public:
+ explicit SimpleAppendable(UnicodeString &dest) : str(dest) {}
+ virtual UBool appendCodeUnit(UChar c) { str.append(c); return TRUE; }
+ SimpleAppendable &reset() { str.remove(); return *this; }
+private:
+ UnicodeString &str;
+};
+
+void
+UnicodeStringTest::TestAppendable() {
+ UnicodeString dest;
+ SimpleAppendable app(dest);
+ doTestAppendable(dest, app);
+}
+
+void
+UnicodeStringTest::TestUnicodeStringImplementsAppendable() {
+ UnicodeString dest;
+ UnicodeStringAppendable app(dest);
+ doTestAppendable(dest, app);
+}
+
+void
+UnicodeStringTest::TestSizeofUnicodeString() {
+ // See the comments in unistr.h near the declaration of UnicodeString's fields.
+ size_t sizeofUniStr=sizeof(UnicodeString);
+ size_t expected;
+ switch(sizeof(void *)) {
+ case 4:
+ expected=32;
+ break;
+ case 8:
+ expected=40;
+ break;
+ default:
+ logln("This platform has neither 32-bit nor 64-bit pointers.");
+ return;
+ }
+ if(expected!=sizeofUniStr) {
+ errln("sizeof(UnicodeString)=%d, expected %d", (int)sizeofUniStr, (int)expected);
+ }
+}
projects / apple / icu.git / blobdiff