icuSources/test/intltest/unifiedcachetest.cpp

   1 /*
   2 *******************************************************************************
   3 * Copyright (C) 2014, International Business Machines Corporation and         *
   4 * others. All Rights Reserved.                                                *
   5 *******************************************************************************
   6 *
   7 * File UNIFIEDCACHETEST.CPP
   8 *
   9 ********************************************************************************
  10 */
  11 #include "cstring.h"
  12 #include "intltest.h"
  13 #include "unifiedcache.h"
  14
  15 class UCTItem : public SharedObject {
  16   public:
  17     char *value;
  18     UCTItem(const char *x) : value(NULL) {
  19         value = uprv_strdup(x);
  20     }
  21     virtual ~UCTItem() {
  22         uprv_free(value);
  23     }
  24 };
  25
  26 class UCTItem2 : public SharedObject {
  27 };
  28
  29 U_NAMESPACE_BEGIN
  30
  31 template<> U_EXPORT
  32 const UCTItem *LocaleCacheKey<UCTItem>::createObject(
  33         const void * /*unused*/, UErrorCode &status) const {
  34     if (uprv_strcmp(fLoc.getName(), "zh") == 0) {
  35         status = U_MISSING_RESOURCE_ERROR;
  36         return NULL;
  37     }
  38     if (uprv_strcmp(fLoc.getLanguage(), fLoc.getName()) != 0) {
  39         const UCTItem *item = NULL;
  40         UnifiedCache::getByLocale(fLoc.getLanguage(), item, status);
  41         if (U_FAILURE(status)) {
  42             return NULL;
  43         }
  44         return item;
  45     }
  46     UCTItem *result = new UCTItem(fLoc.getName());
  47     result->addRef();
  48     return result;
  49 }
  50
  51 template<> U_EXPORT
  52 const UCTItem2 *LocaleCacheKey<UCTItem2>::createObject(
  53         const void * /*unused*/, UErrorCode & /*status*/) const {
  54     return NULL;
  55 }
  56
  57 U_NAMESPACE_END
  58
  59
  60 class UnifiedCacheTest : public IntlTest {
  61 public:
  62     UnifiedCacheTest() {
  63     }
  64     void runIndexedTest(int32_t index, UBool exec, const char *&name, char *par=0);
  65 private:
  66     void TestBasic();
  67     void TestError();
  68     void TestHashEquals();
  69 };
  70
  71 void UnifiedCacheTest::runIndexedTest(int32_t index, UBool exec, const char* &name, char* /*par*/) {
  72   TESTCASE_AUTO_BEGIN;
  73   TESTCASE_AUTO(TestBasic);
  74   TESTCASE_AUTO(TestError);
  75   TESTCASE_AUTO(TestHashEquals);
  76   TESTCASE_AUTO_END;
  77 }
  78
  79 void UnifiedCacheTest::TestBasic() {
  80     UErrorCode status = U_ZERO_ERROR;
  81     const UnifiedCache *cache = UnifiedCache::getInstance(status);
  82     assertSuccess("", status);
  83     cache->flush();
  84     int32_t baseCount = cache->keyCount();
  85     const UCTItem *en = NULL;
  86     const UCTItem *enGb = NULL;
  87     const UCTItem *enGb2 = NULL;
  88     const UCTItem *enUs = NULL;
  89     const UCTItem *fr = NULL;
  90     const UCTItem *frFr = NULL;
  91     cache->get(LocaleCacheKey<UCTItem>("en"), en, status);
  92     cache->get(LocaleCacheKey<UCTItem>("en_US"), enUs, status);
  93     cache->get(LocaleCacheKey<UCTItem>("en_GB"), enGb, status);
  94     cache->get(LocaleCacheKey<UCTItem>("fr_FR"), frFr, status);
  95     cache->get(LocaleCacheKey<UCTItem>("fr"), fr, status);
  96     cache->get(LocaleCacheKey<UCTItem>("en_GB"), enGb2, status);
  97     SharedObject::clearPtr(enGb2);
  98     if (enGb != enUs) {
  99         errln("Expected en_GB and en_US to resolve to same object.");
 100     }
 101     if (fr != frFr) {
 102         errln("Expected fr and fr_FR to resolve to same object.");
 103     }
 104     if (enGb == fr) {
 105         errln("Expected en_GB and fr to return different objects.");
 106     }
 107     assertSuccess("", status);
 108     // en_US, en_GB, en share one object; fr_FR and fr don't share.
 109     // 5 keys in all.
 110     assertEquals("", baseCount + 5, cache->keyCount());
 111     SharedObject::clearPtr(enGb);
 112     cache->flush();
 113     assertEquals("", baseCount + 5, cache->keyCount());
 114     SharedObject::clearPtr(enUs);
 115     SharedObject::clearPtr(en);
 116     cache->flush();
 117     // With en_GB and en_US and en cleared there are no more hard references to
 118     // the "en" object, so it gets flushed and the keys that refer to it
 119     // get removed from the cache.
 120     assertEquals("", baseCount + 2, cache->keyCount());
 121     SharedObject::clearPtr(fr);
 122     cache->flush();
 123     assertEquals("", baseCount + 2, cache->keyCount());
 124     SharedObject::clearPtr(frFr);
 125     cache->flush();
 126     assertEquals("", baseCount + 0, cache->keyCount());
 127 }
 128
 129 void UnifiedCacheTest::TestError() {
 130     UErrorCode status = U_ZERO_ERROR;
 131     const UnifiedCache *cache = UnifiedCache::getInstance(status);
 132     assertSuccess("", status);
 133     cache->flush();
 134     int32_t baseCount = cache->keyCount();
 135     const UCTItem *zh = NULL;
 136     const UCTItem *zhTw = NULL;
 137     const UCTItem *zhHk = NULL;
 138
 139     status = U_ZERO_ERROR;
 140     cache->get(LocaleCacheKey<UCTItem>("zh"), zh, status);
 141     if (status != U_MISSING_RESOURCE_ERROR) {
 142         errln("Expected U_MISSING_RESOURCE_ERROR");
 143     }
 144     status = U_ZERO_ERROR;
 145     cache->get(LocaleCacheKey<UCTItem>("zh_TW"), zhTw, status);
 146     if (status != U_MISSING_RESOURCE_ERROR) {
 147         errln("Expected U_MISSING_RESOURCE_ERROR");
 148     }
 149     status = U_ZERO_ERROR;
 150     cache->get(LocaleCacheKey<UCTItem>("zh_HK"), zhHk, status);
 151     if (status != U_MISSING_RESOURCE_ERROR) {
 152         errln("Expected U_MISSING_RESOURCE_ERROR");
 153     }
 154     // 3 keys in cache zh, zhTW, zhHk all pointing to error placeholders
 155     assertEquals("", baseCount + 3, cache->keyCount());
 156     cache->flush();
 157     // error placeholders have no hard references so they always get flushed.
 158     assertEquals("", baseCount + 0, cache->keyCount());
 159 }
 160
 161 void UnifiedCacheTest::TestHashEquals() {
 162     LocaleCacheKey<UCTItem> key1("en_US");
 163     LocaleCacheKey<UCTItem> key2("en_US");
 164     LocaleCacheKey<UCTItem> diffKey1("en_UT");
 165     LocaleCacheKey<UCTItem2> diffKey2("en_US");
 166     assertTrue("", key1.hashCode() == key2.hashCode());
 167     assertTrue("", key1.hashCode() != diffKey1.hashCode());
 168     assertTrue("", key1.hashCode() != diffKey2.hashCode());
 169     assertTrue("", diffKey1.hashCode() != diffKey2.hashCode());
 170     assertTrue("", key1 == key2);
 171     assertTrue("", key1 != diffKey1);
 172     assertTrue("", key1 != diffKey2);
 173     assertTrue("", diffKey1 != diffKey2);
 174 }
 175
 176 extern IntlTest *createUnifiedCacheTest() {
 177     return new UnifiedCacheTest();
 178 }