icuSources/test/intltest/numbertest_stringsegment.cpp

   1 // © 2018 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3
   4 #include "unicode/utypes.h"
   5
   6 #if !UCONFIG_NO_FORMATTING
   7
   8 #include "numbertest.h"
   9 #include "numparse_stringsegment.h"
  10
  11 static const char16_t* SAMPLE_STRING = u"📻 radio 📻";
  12
  13 void StringSegmentTest::runIndexedTest(int32_t index, UBool exec, const char*&name, char*) {
  14     if (exec) {
  15         logln("TestSuite StringSegmentTest: ");
  16     }
  17     TESTCASE_AUTO_BEGIN;
  18         TESTCASE_AUTO(testOffset);
  19         TESTCASE_AUTO(testLength);
  20         TESTCASE_AUTO(testCharAt);
  21         TESTCASE_AUTO(testGetCodePoint);
  22         TESTCASE_AUTO(testCommonPrefixLength);
  23     TESTCASE_AUTO_END;
  24 }
  25
  26 void StringSegmentTest::testOffset() {
  27     // Note: sampleString needs function scope so it is valid while the StringSegment is valid
  28     UnicodeString sampleString(SAMPLE_STRING);
  29     StringSegment segment(sampleString, false);
  30     assertEquals("Initial Offset", 0, segment.getOffset());
  31     segment.adjustOffset(3);
  32     assertEquals("Adjust A", 3, segment.getOffset());
  33     segment.adjustOffset(2);
  34     assertEquals("Adjust B", 5, segment.getOffset());
  35     segment.setOffset(4);
  36     assertEquals("Set Offset", 4, segment.getOffset());
  37 }
  38
  39 void StringSegmentTest::testLength() {
  40     // Note: sampleString needs function scope so it is valid while the StringSegment is valid
  41     UnicodeString sampleString(SAMPLE_STRING);
  42     StringSegment segment(sampleString, false);
  43     assertEquals("Initial length", 11, segment.length());
  44     segment.adjustOffset(3);
  45     assertEquals("Adjust", 8, segment.length());
  46     segment.setLength(4);
  47     assertEquals("Set Length", 4, segment.length());
  48     segment.setOffset(5);
  49     assertEquals("After adjust offset", 2, segment.length());
  50     segment.resetLength();
  51     assertEquals("After reset length", 6, segment.length());
  52 }
  53
  54 void StringSegmentTest::testCharAt() {
  55     // Note: sampleString needs function scope so it is valid while the StringSegment is valid
  56     UnicodeString sampleString(SAMPLE_STRING);
  57     StringSegment segment(sampleString, false);
  58     assertEquals("Initial", SAMPLE_STRING, segment.toUnicodeString());
  59     assertEquals("Initial", SAMPLE_STRING, segment.toTempUnicodeString());
  60     segment.adjustOffset(3);
  61     assertEquals("After adjust-offset", UnicodeString(u"radio 📻"), segment.toUnicodeString());
  62     assertEquals("After adjust-offset", UnicodeString(u"radio 📻"), segment.toTempUnicodeString());
  63     segment.setLength(5);
  64     assertEquals("After adjust-length", UnicodeString(u"radio"), segment.toUnicodeString());
  65     assertEquals("After adjust-length", UnicodeString(u"radio"), segment.toTempUnicodeString());
  66 }
  67
  68 void StringSegmentTest::testGetCodePoint() {
  69     // Note: sampleString needs function scope so it is valid while the StringSegment is valid
  70     UnicodeString sampleString(SAMPLE_STRING);
  71     StringSegment segment(sampleString, false);
  72     assertEquals("Double-width code point", 0x1F4FB, segment.getCodePoint());
  73     segment.setLength(1);
  74     assertEquals("Inalid A", -1, segment.getCodePoint());
  75     segment.resetLength();
  76     segment.adjustOffset(1);
  77     assertEquals("Invalid B", -1, segment.getCodePoint());
  78     segment.adjustOffset(1);
  79     assertEquals("Valid again", 0x20, segment.getCodePoint());
  80 }
  81
  82 void StringSegmentTest::testCommonPrefixLength() {
  83     // Note: sampleString needs function scope so it is valid while the StringSegment is valid
  84     UnicodeString sampleString(SAMPLE_STRING);
  85     StringSegment segment(sampleString, false);
  86     assertEquals("", 11, segment.getCommonPrefixLength(SAMPLE_STRING));
  87     assertEquals("", 4, segment.getCommonPrefixLength(u"📻 r"));
  88     assertEquals("", 3, segment.getCommonPrefixLength(u"📻 x"));
  89     assertEquals("", 0, segment.getCommonPrefixLength(u"x"));
  90     segment.adjustOffset(3);
  91     assertEquals("", 0, segment.getCommonPrefixLength(u"RADiO"));
  92     assertEquals("", 5, segment.getCommonPrefixLength(u"radio"));
  93     assertEquals("", 2, segment.getCommonPrefixLength(u"rafio"));
  94     assertEquals("", 0, segment.getCommonPrefixLength(u"fadio"));
  95     segment.setLength(3);
  96     assertEquals("", 3, segment.getCommonPrefixLength(u"radio"));
  97     assertEquals("", 2, segment.getCommonPrefixLength(u"rafio"));
  98     assertEquals("", 0, segment.getCommonPrefixLength(u"fadio"));
  99     segment.resetLength();
 100     segment.setOffset(11); // end of string
 101     assertEquals("", 0, segment.getCommonPrefixLength(u"foo"));
 102 }
 103
 104 #endif