src/tests/kits/locale/CollatorTest.cpp

   1 /*
   2  * Copyright 2014 Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "CollatorTest.h"
   8
   9 #include <Collator.h>
  10 #include <Locale.h>
  11 #include <LocaleRoster.h>
  12
  13 #include <cppunit/TestCaller.h>
  14 #include <cppunit/TestSuite.h>
  15
  16
  17 CollatorTest::CollatorTest()
  18 {
  19 }
  20
  21
  22 CollatorTest::~CollatorTest()
  23 {
  24 }
  25
  26
  27 void
  28 CollatorTest::TestSortKeys()
  29 {
  30         struct Test {
  31                 char* first;
  32                 char* second;
  33                 int sign[3];
  34         };
  35
  36         BCollator collator;
  37         BLocaleRoster::Default()->GetDefaultLocale()->GetCollator(&collator);
  38         const Test tests[] = {
  39                 {"gehen", "géhen", {0, -1, -1}},
  40                 {"aus", "äUß", {-1, -1, -1}},
  41                 {"auss", "äUß", {0, -1, -1}},
  42                 {"WO", "wÖ", {0, -1, -1}},
  43                 {"SO", "so", {0, 0, 1}},
  44                 {"açñ", "acn", {0, 1, 1}},
  45                 {NULL, NULL, {0, 0, 0}}
  46         };
  47
  48         for (int32 i = 0; tests[i].first != NULL; i++) {
  49                 NextSubTest();
  50
  51                 for (int32 strength = B_COLLATE_PRIMARY; strength < 4; strength++) {
  52                         BString a, b;
  53                         collator.SetStrength(strength);
  54                         collator.GetSortKey(tests[i].first, &a);
  55                         collator.GetSortKey(tests[i].second, &b);
  56
  57                         int difference = collator.Compare(tests[i].first, tests[i].second);
  58                         CPPUNIT_ASSERT_EQUAL(tests[i].sign[strength - 1], difference);
  59                         int keydiff = strcmp(a.String(), b.String());
  60                         // Check that the keys compare the same as the strings. Either both
  61                         // are 0, or both have the same sign.
  62                         if (difference == 0)
  63                                 CPPUNIT_ASSERT_EQUAL(0, keydiff);
  64                         else
  65                                 CPPUNIT_ASSERT(keydiff * difference > 0);
  66                 }
  67         }
  68 }
  69
  70
  71 /*static*/ void
  72 CollatorTest::AddTests(BTestSuite& parent)
  73 {
  74         CppUnit::TestSuite& suite = *new CppUnit::TestSuite("CollatorTest");
  75
  76         suite.addTest(new CppUnit::TestCaller<CollatorTest>(
  77                 "CollatorTest::TestSortKeys", &CollatorTest::TestSortKeys));
  78
  79         parent.addTest("CollatorTest", &suite);
  80 }