Imported existing code

indra/newview/tests/llworldmipmap_test.cpp

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+/** 
+ * @file llworldmipmap_test.cpp
+ * @author Merov Linden
+ * @date 2009-02-03
+ *
+ * $LicenseInfo:firstyear=2006&license=viewergpl$
+ * 
+ * Copyright (c) 2006-2009, 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.
+ * $/LicenseInfo$
+ */
+
+// Precompiled header: almost always required for newview cpp files
+#include "../llviewerprecompiledheaders.h"
+// Class to test
+#include "../llworldmipmap.h"
+// Dependencies
+#include "../llviewerimagelist.h"
+// Tut header
+#include "../test/lltut.h"
+
+// -------------------------------------------------------------------------------------------
+// Stubbing: Declarations required to link and run the class being tested
+// Notes: 
+// * Add here stubbed implementation of the few classes and methods used in the class to be tested
+// * Add as little as possible (let the link errors guide you)
+// * Do not make any assumption as to how those classes or methods work (i.e. don't copy/paste code)
+// * A simulator for a class can be implemented here. Please comment and document thoroughly.
+
+LLViewerImageList::LLViewerImageList() { }
+LLViewerImageList::~LLViewerImageList() { }
+
+LLViewerImageList gImageList;
+
+LLViewerImage* LLViewerImageList::getImageFromUrl(const std::string& url,
+												   BOOL usemipmaps,
+												   BOOL level_immediate,
+												   LLGLint internal_format,
+												   LLGLenum primary_format, 
+												   const LLUUID& force_id)
+{ return NULL; }
+void LLViewerImage::setBoostLevel(S32 level) { }
+
+// End Stubbing
+// -------------------------------------------------------------------------------------------
+
+// -------------------------------------------------------------------------------------------
+// TUT
+// -------------------------------------------------------------------------------------------
+namespace tut
+{
+	// Test wrapper declaration
+	struct worldmipmap_test
+	{
+		// Derived test class
+		class LLTestWorldMipmap : public LLWorldMipmap
+		{
+			// Put here stubbs of virtual methods we shouldn't call all the way down
+		};
+		// Instance to be tested
+		LLTestWorldMipmap* mMap;
+
+		// Constructor and destructor of the test wrapper
+		worldmipmap_test()
+		{
+			mMap = new LLTestWorldMipmap;
+		}
+		~worldmipmap_test()
+		{
+			delete mMap;
+		}
+	};
+
+	// Tut templating thingamagic: test group, object and test instance
+	typedef test_group<worldmipmap_test> worldmipmap_t;
+	typedef worldmipmap_t::object worldmipmap_object_t;
+	tut::worldmipmap_t tut_worldmipmap("worldmipmap");
+
+	// ---------------------------------------------------------------------------------------
+	// Test functions
+	// Notes:
+	// * Test as many as you possibly can without requiring a full blown simulation of everything
+	// * The tests are executed in sequence so the test instance state may change between calls
+	// * Remember that you cannot test private methods with tut
+	// ---------------------------------------------------------------------------------------
+	// Test static methods
+	// Test 1 : scaleToLevel()
+	template<> template<>
+	void worldmipmap_object_t::test<1>()
+	{
+		S32 level = mMap->scaleToLevel(0.0);
+		ensure("scaleToLevel() test 1 failed", level == LLWorldMipmap::MAP_LEVELS);
+		level = mMap->scaleToLevel(LLWorldMipmap::MAP_TILE_SIZE);
+		ensure("scaleToLevel() test 2 failed", level == 1);
+		level = mMap->scaleToLevel(10 * LLWorldMipmap::MAP_TILE_SIZE);
+		ensure("scaleToLevel() test 3 failed", level == 1);
+	}
+	// Test 2 : globalToMipmap()
+	template<> template<>
+	void worldmipmap_object_t::test<2>()
+	{
+		U32 grid_x, grid_y;
+		mMap->globalToMipmap(1000.f*REGION_WIDTH_METERS, 1000.f*REGION_WIDTH_METERS, 1, &grid_x, &grid_y);
+		ensure("globalToMipmap() test 1 failed", (grid_x == 1000) && (grid_y == 1000));
+		mMap->globalToMipmap(0.0, 0.0, LLWorldMipmap::MAP_LEVELS, &grid_x, &grid_y);
+		ensure("globalToMipmap() test 2 failed", (grid_x == 0) && (grid_y == 0));
+	}
+	// Test 3 : getObjectsTile()
+	template<> template<>
+	void worldmipmap_object_t::test<3>()
+	{
+		// Depends on some inline methods in LLViewerImage... Thinking about how to make this work
+		// LLPointer<LLViewerImage> img = mMap->getObjectsTile(0, 0, 1);
+		// ensure("getObjectsTile() test failed", img.isNull());
+	}
+	// Test 4 : equalizeBoostLevels()
+	template<> template<>
+	void worldmipmap_object_t::test<4>()
+	{
+		try
+		{
+			mMap->equalizeBoostLevels();
+		} 
+		catch (...)
+		{
+			fail("equalizeBoostLevels() test failed");
+		}
+	}
+	// Test 5 : dropBoostLevels()
+	template<> template<>
+	void worldmipmap_object_t::test<5>()
+	{
+		try
+		{
+			mMap->dropBoostLevels();
+		} 
+		catch (...)
+		{
+			fail("dropBoostLevels() test failed");
+		}
+	}
+	// Test 6 : reset()
+	template<> template<>
+	void worldmipmap_object_t::test<6>()
+	{
+		try
+		{
+			mMap->reset();
+		} 
+		catch (...)
+		{
+			fail("reset() test failed");
+		}
+	}
+}