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// © 2018 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "string_segment.h"
#include "intltest.h"
class StringSegmentTest : public IntlTest {
public:
void testOffset();
void testLength();
void testCharAt();
void testGetCodePoint();
void testCommonPrefixLength();
void runIndexedTest(int32_t index, UBool exec, const char*& name, char* par = nullptr) override;
};
static const char16_t* SAMPLE_STRING = u"📻 radio 📻";
void StringSegmentTest::runIndexedTest(int32_t index, UBool exec, const char*&name, char*) {
if (exec) {
logln("TestSuite StringSegmentTest: ");
}
TESTCASE_AUTO_BEGIN;
TESTCASE_AUTO(testOffset);
TESTCASE_AUTO(testLength);
TESTCASE_AUTO(testCharAt);
TESTCASE_AUTO(testGetCodePoint);
TESTCASE_AUTO(testCommonPrefixLength);
TESTCASE_AUTO_END;
}
void StringSegmentTest::testOffset() {
// Note: sampleString needs function scope so it is valid while the StringSegment is valid
UnicodeString sampleString(SAMPLE_STRING);
StringSegment segment(sampleString, false);
assertEquals("Initial Offset", 0, segment.getOffset());
segment.adjustOffset(3);
assertEquals("Adjust A", 3, segment.getOffset());
segment.adjustOffset(2);
assertEquals("Adjust B", 5, segment.getOffset());
segment.setOffset(4);
assertEquals("Set Offset", 4, segment.getOffset());
}
void StringSegmentTest::testLength() {
// Note: sampleString needs function scope so it is valid while the StringSegment is valid
UnicodeString sampleString(SAMPLE_STRING);
StringSegment segment(sampleString, false);
assertEquals("Initial length", 11, segment.length());
segment.adjustOffset(3);
assertEquals("Adjust", 8, segment.length());
segment.setLength(4);
assertEquals("Set Length", 4, segment.length());
segment.setOffset(5);
assertEquals("After adjust offset", 2, segment.length());
segment.resetLength();
assertEquals("After reset length", 6, segment.length());
}
void StringSegmentTest::testCharAt() {
// Note: sampleString needs function scope so it is valid while the StringSegment is valid
UnicodeString sampleString(SAMPLE_STRING);
StringSegment segment(sampleString, false);
assertEquals("Initial", SAMPLE_STRING, segment.toUnicodeString());
assertEquals("Initial", SAMPLE_STRING, segment.toTempUnicodeString());
segment.adjustOffset(3);
assertEquals("After adjust-offset", UnicodeString(u"radio 📻"), segment.toUnicodeString());
assertEquals("After adjust-offset", UnicodeString(u"radio 📻"), segment.toTempUnicodeString());
segment.setLength(5);
assertEquals("After adjust-length", UnicodeString(u"radio"), segment.toUnicodeString());
assertEquals("After adjust-length", UnicodeString(u"radio"), segment.toTempUnicodeString());
}
void StringSegmentTest::testGetCodePoint() {
// Note: sampleString needs function scope so it is valid while the StringSegment is valid
UnicodeString sampleString(SAMPLE_STRING);
StringSegment segment(sampleString, false);
assertEquals("Double-width code point", 0x1F4FB, segment.getCodePoint());
segment.setLength(1);
assertEquals("Invalid A", -1, segment.getCodePoint());
segment.resetLength();
segment.adjustOffset(1);
assertEquals("Invalid B", -1, segment.getCodePoint());
segment.adjustOffset(1);
assertEquals("Valid again", 0x20, segment.getCodePoint());
}
void StringSegmentTest::testCommonPrefixLength() {
// Note: sampleString needs function scope so it is valid while the StringSegment is valid
UnicodeString sampleString(SAMPLE_STRING);
StringSegment segment(sampleString, false);
assertEquals("", 11, segment.getCommonPrefixLength(SAMPLE_STRING));
assertEquals("", 4, segment.getCommonPrefixLength(u"📻 r"));
assertEquals("", 3, segment.getCommonPrefixLength(u"📻 x"));
assertEquals("", 0, segment.getCommonPrefixLength(u"x"));
segment.adjustOffset(3);
assertEquals("", 0, segment.getCommonPrefixLength(u"RADiO"));
assertEquals("", 5, segment.getCommonPrefixLength(u"radio"));
assertEquals("", 2, segment.getCommonPrefixLength(u"rafio"));
assertEquals("", 0, segment.getCommonPrefixLength(u"fadio"));
segment.setLength(3);
assertEquals("", 3, segment.getCommonPrefixLength(u"radio"));
assertEquals("", 2, segment.getCommonPrefixLength(u"rafio"));
assertEquals("", 0, segment.getCommonPrefixLength(u"fadio"));
segment.resetLength();
segment.setOffset(11); // end of string
assertEquals("", 0, segment.getCommonPrefixLength(u"foo"));
}
extern IntlTest *createStringSegmentTest() {
return new StringSegmentTest();
}
#endif
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