Update ICU to 54.1 step 1

source/test/intltest/unifiedcachetest.cpp

Index: source/test/intltest/unifiedcachetest.cpp
diff --git a/source/test/intltest/unifiedcachetest.cpp b/source/test/intltest/unifiedcachetest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..042f1a09ffc581518076d1fdd4ae097e2dc2f6d9
--- /dev/null
+++ b/source/test/intltest/unifiedcachetest.cpp
@@ -0,0 +1,178 @@
+/*
+*******************************************************************************
+* Copyright (C) 2014, International Business Machines Corporation and         *
+* others. All Rights Reserved.                                                *
+*******************************************************************************
+*
+* File UNIFIEDCACHETEST.CPP
+*
+********************************************************************************
+*/
+#include "cstring.h"
+#include "intltest.h"
+#include "unifiedcache.h"
+
+class UCTItem : public SharedObject {
+  public:
+    char *value;
+    UCTItem(const char *x) : value(NULL) { 
+        value = uprv_strdup(x);
+    }
+    virtual ~UCTItem() {
+        uprv_free(value);
+    }
+};
+
+class UCTItem2 : public SharedObject {
+};
+
+U_NAMESPACE_BEGIN
+
+template<> U_EXPORT
+const UCTItem *LocaleCacheKey<UCTItem>::createObject(
+        const void * /*unused*/, UErrorCode &status) const {
+    if (uprv_strcmp(fLoc.getName(), "zh") == 0) {
+        status = U_MISSING_RESOURCE_ERROR;
+        return NULL;
+    }
+    if (uprv_strcmp(fLoc.getLanguage(), fLoc.getName()) != 0) {
+        const UCTItem *item = NULL;
+        UnifiedCache::getByLocale(fLoc.getLanguage(), item, status);
+        if (U_FAILURE(status)) {
+            return NULL;
+        }
+        return item;
+    }
+    UCTItem *result = new UCTItem(fLoc.getName());
+    result->addRef();
+    return result;
+}
+
+template<> U_EXPORT
+const UCTItem2 *LocaleCacheKey<UCTItem2>::createObject(
+        const void * /*unused*/, UErrorCode & /*status*/) const {
+    return NULL;
+}
+
+U_NAMESPACE_END
+
+
+class UnifiedCacheTest : public IntlTest {
+public:
+    UnifiedCacheTest() {
+    }
+    void runIndexedTest(int32_t index, UBool exec, const char *&name, char *par=0);
+private:
+    void TestBasic();
+    void TestError();
+    void TestHashEquals();
+};
+
+void UnifiedCacheTest::runIndexedTest(int32_t index, UBool exec, const char* &name, char* /*par*/) {
+  TESTCASE_AUTO_BEGIN;
+  TESTCASE_AUTO(TestBasic);
+  TESTCASE_AUTO(TestError);
+  TESTCASE_AUTO(TestHashEquals);
+  TESTCASE_AUTO_END;
+}
+
+void UnifiedCacheTest::TestBasic() {
+    UErrorCode status = U_ZERO_ERROR;
+    const UnifiedCache *cache = UnifiedCache::getInstance(status);
+    assertSuccess("", status);
+    cache->flush();
+    int32_t baseCount = cache->keyCount();
+    const UCTItem *en = NULL;
+    const UCTItem *enGb = NULL;
+    const UCTItem *enGb2 = NULL;
+    const UCTItem *enUs = NULL;
+    const UCTItem *fr = NULL;
+    const UCTItem *frFr = NULL;
+    cache->get(LocaleCacheKey<UCTItem>("en"), en, status);
+    cache->get(LocaleCacheKey<UCTItem>("en_US"), enUs, status);
+    cache->get(LocaleCacheKey<UCTItem>("en_GB"), enGb, status);
+    cache->get(LocaleCacheKey<UCTItem>("fr_FR"), frFr, status);
+    cache->get(LocaleCacheKey<UCTItem>("fr"), fr, status);
+    cache->get(LocaleCacheKey<UCTItem>("en_GB"), enGb2, status);
+    SharedObject::clearPtr(enGb2);
+    if (enGb != enUs) {
+        errln("Expected en_GB and en_US to resolve to same object.");
+    } 
+    if (fr != frFr) {
+        errln("Expected fr and fr_FR to resolve to same object.");
+    } 
+    if (enGb == fr) {
+        errln("Expected en_GB and fr to return different objects.");
+    }
+    assertSuccess("", status);
+    // en_US, en_GB, en share one object; fr_FR and fr don't share.
+    // 5 keys in all.
+    assertEquals("", baseCount + 5, cache->keyCount());
+    SharedObject::clearPtr(enGb);
+    cache->flush();
+    assertEquals("", baseCount + 5, cache->keyCount());
+    SharedObject::clearPtr(enUs);
+    SharedObject::clearPtr(en);
+    cache->flush();
+    // With en_GB and en_US and en cleared there are no more hard references to
+    // the "en" object, so it gets flushed and the keys that refer to it
+    // get removed from the cache.
+    assertEquals("", baseCount + 2, cache->keyCount());
+    SharedObject::clearPtr(fr);
+    cache->flush();
+    assertEquals("", baseCount + 2, cache->keyCount());
+    SharedObject::clearPtr(frFr);
+    cache->flush();
+    assertEquals("", baseCount + 0, cache->keyCount());
+}
+
+void UnifiedCacheTest::TestError() {
+    UErrorCode status = U_ZERO_ERROR;
+    const UnifiedCache *cache = UnifiedCache::getInstance(status);
+    assertSuccess("", status);
+    cache->flush();
+    int32_t baseCount = cache->keyCount();
+    const UCTItem *zh = NULL;
+    const UCTItem *zhTw = NULL;
+    const UCTItem *zhHk = NULL;
+
+    status = U_ZERO_ERROR;
+    cache->get(LocaleCacheKey<UCTItem>("zh"), zh, status);
+    if (status != U_MISSING_RESOURCE_ERROR) {
+        errln("Expected U_MISSING_RESOURCE_ERROR");
+    }
+    status = U_ZERO_ERROR;
+    cache->get(LocaleCacheKey<UCTItem>("zh_TW"), zhTw, status);
+    if (status != U_MISSING_RESOURCE_ERROR) {
+        errln("Expected U_MISSING_RESOURCE_ERROR");
+    }
+    status = U_ZERO_ERROR;
+    cache->get(LocaleCacheKey<UCTItem>("zh_HK"), zhHk, status);
+    if (status != U_MISSING_RESOURCE_ERROR) {
+        errln("Expected U_MISSING_RESOURCE_ERROR");
+    }
+    // 3 keys in cache zh, zhTW, zhHk all pointing to error placeholders
+    assertEquals("", baseCount + 3, cache->keyCount());
+    cache->flush();
+    // error placeholders have no hard references so they always get flushed. 
+    assertEquals("", baseCount + 0, cache->keyCount());
+}
+
+void UnifiedCacheTest::TestHashEquals() {
+    LocaleCacheKey<UCTItem> key1("en_US");
+    LocaleCacheKey<UCTItem> key2("en_US");
+    LocaleCacheKey<UCTItem> diffKey1("en_UT");
+    LocaleCacheKey<UCTItem2> diffKey2("en_US");
+    assertTrue("", key1.hashCode() == key2.hashCode());
+    assertTrue("", key1.hashCode() != diffKey1.hashCode());
+    assertTrue("", key1.hashCode() != diffKey2.hashCode());
+    assertTrue("", diffKey1.hashCode() != diffKey2.hashCode());
+    assertTrue("", key1 == key2);
+    assertTrue("", key1 != diffKey1);
+    assertTrue("", key1 != diffKey2);
+    assertTrue("", diffKey1 != diffKey2);
+}
+
+extern IntlTest *createUnifiedCacheTest() {
+    return new UnifiedCacheTest();
+}