ICU-62107.0.1.tar.gz

[apple/icu.git] / icuSources / test / intltest / numbertest_stringsegment.cpp

diff --git a/icuSources/test/intltest/numbertest_stringsegment.cpp b/icuSources/test/intltest/numbertest_stringsegment.cpp
new file mode 100644 (file)
index 0000000..bb54781
--- /dev/null
+++ b/icuSources/test/intltest/numbertest_stringsegment.cpp
@@ -0,0 +1,94 @@
+// © 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 "numbertest.h"
+#include "numparse_stringsegment.h"
+
+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() {
+    StringSegment segment(SAMPLE_STRING, 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() {
+    StringSegment segment(SAMPLE_STRING, 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() {
+    StringSegment segment(SAMPLE_STRING, 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() {
+    StringSegment segment(SAMPLE_STRING, false);
+    assertEquals("Double-width code point", 0x1F4FB, segment.getCodePoint());
+    segment.setLength(1);
+    assertEquals("Inalid 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() {
+    StringSegment segment(SAMPLE_STRING, 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"));
+}
+
+#endif