Imported existing code

indra/test/lltimestampcache_tut.cpp

@@ -0,0 +1,130 @@
+/**
+ * @file lltimestampcache_tut.cpp
+ * @author James Tess
+ * @date 2008-12-03
+ *
+ * $LicenseInfo:firstyear=2008&license=viewergpl$
+ * 
+ * Copyright (c) 2008-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include <tut/tut.hpp>
+
+#include "linden_common.h"
+#include "../mapserver/lltimestampcache.h"
+#include "lltut.h"
+
+
+namespace tut
+{
+	struct LLTimestampCacheTestData
+	{
+	};
+
+	typedef test_group<LLTimestampCacheTestData> LLTimestampCacheTestGroup;
+	typedef LLTimestampCacheTestGroup::object LLTimestampCacheTestObject;
+
+	LLTimestampCacheTestGroup timestampCacheTestGroup("LLTimestampCache");
+
+	// Most common usage
+	template<> template<>
+		void LLTimestampCacheTestObject::test<1>()
+		{
+			LLTimestampCache<std::string, std::string> cache;
+			// put in some data
+			cache.insert("key1", "val1", 1);
+			cache.insert("key2", "val2", 2);
+			cache.insert("key3", "val3", 3);
+			ensure_equals("size is 3", cache.size(), 3);
+			// check some items
+			ensure("has key1", cache.has("key1"));
+			ensure("no invalid key", !cache.has("invalid key"));
+			// get some items
+			ensure_equals("get key1", cache.get("key1", 4), "val1");
+			ensure_equals("get invalid key", 
+					cache.get("invalid key", 4), std::string() );
+			// timestamps
+			ensure_equals("key1 timestamp updated", cache.getTimestamp("key1"), 4);
+			ensure_equals("invalid key timestamp", 
+					cache.getTimestamp("invalid key"), 0);
+		}
+
+	// New empty cache shouldn't have any entries
+	template<> template<>
+		void LLTimestampCacheTestObject::test<2>()
+		{
+			LLTimestampCache<std::string, std::string> cache;
+			ensure_equals("starts empty",   cache.size(), 0);
+			ensure_equals("has nothing",    cache.has("foo"), false);
+			ensure_equals("gets nothing",   cache.get("foo", 0), std::string() );
+			U32 max_time = 0xFFFFFFFF;
+			ensure_equals("erases nothing", cache.eraseBefore(max_time), 0);
+		}
+
+	// Non empty cache
+	template<> template<>
+		void LLTimestampCacheTestObject::test<3>()
+		{
+			LLTimestampCache<std::string, std::string> cache;
+			cache.insert("foo", "bar", 123);
+			ensure_equals("size one", cache.size(), 1);
+			ensure_equals("has it", cache.has("foo"), true);
+			ensure_equals("timestamp correct", cache.getTimestamp("foo"), 123);
+			std::string value = cache.get("foo", 456);
+			ensure_equals("get value", value, "bar");
+			ensure_equals("timestamp updated", cache.getTimestamp("foo"), 456);
+			ensure_equals("erase nothing", cache.eraseBefore(0), 0);
+			ensure_equals("erase one", cache.eraseBefore(789), 1);
+			ensure_equals("empty after erase", cache.size(), 0);
+		}
+
+	// Recache of item should update timestamp
+	template<> template<>
+		void LLTimestampCacheTestObject::test<4>()
+		{
+			LLTimestampCache<std::string, std::string> cache;
+			cache.insert("foo", "bar", 123);
+			cache.insert("foo", "bar", 456);
+			ensure_equals("duplicate suppressed", cache.size(), 1);
+			ensure_equals("timestamp replaced", cache.getTimestamp("foo"), 456);
+		}
+
+	// Erasing some items
+	template<> template<>
+		void LLTimestampCacheTestObject::test<5>()
+		{
+			LLTimestampCache<std::string, std::string> cache;
+			cache.insert("key1", "val1", 1);
+			cache.insert("key2", "val2", 2);
+			cache.insert("key3", "val3", 3);
+			cache.insert("key4", "val4", 4);
+			size_t erased = cache.eraseBefore(3);
+			ensure_equals("erase range", erased, 2);
+			ensure_equals("cache post erase", cache.size(), 2);
+			ensure_equals("has key3", cache.has("key3"), true);
+			ensure_equals("not has key2", cache.has("key2"), false);
+		}
+}