stk-code_catmod/lib/irrlicht/tests/disambiguateTextures.cpp

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// Copyright (C) 2008-2012 Colin MacDonald
// No rights reserved: this software is in the public domain.
#include "testUtils.h"
using namespace irr;
using namespace core;
using namespace scene;
using namespace video;
using namespace io;
using namespace gui;
/** This tests verifies that textures opened from different places in the filesystem
can be distinguished, even if they have the same filename. */
bool disambiguateTextures(void)
{
IrrlichtDevice *device =
createDevice( video::EDT_NULL, dimension2d<u32>(640, 480));
if (!device)
{
logTestString("Unable to create EDT_NULL device\n");
return false;
}
// Expects an empty tmp/tmp directory under this app's wd and
// a media directory under this apps' directory with tools.png in it.
stringc wd = device->getFileSystem()->getWorkingDirectory();
if(-1 == wd.find("/tests") && -1 == wd.find("\\tests"))
{
logTestString("The tests must be run from the /tests directory, regardless of where\n"\
"the test executable was built.\n");
device->drop();
return false;
}
IVideoDriver * driver = device->getVideoDriver();
ITexture * tex1 = driver->getTexture("../media/tools.png");
assert_log(tex1);
if(!tex1)
logTestString("Unable to open ../media/tools.png\n");
ITexture * tex2 = driver->getTexture("../media/tools.png");
assert_log(tex2);
if(!tex2)
logTestString("Unable to open ../media/tools.png\n");
IReadFile * readFile = device->getFileSystem()->createAndOpenFile("../media/tools.png");
assert_log(readFile);
if(!readFile)
logTestString("Unable to open ../media/tools.png\n");
ITexture * tex3 = driver->getTexture(readFile);
assert_log(tex3);
if(!readFile)
logTestString("Unable to create texture from ../media/tools.png\n");
readFile->drop();
// All 3 of the above textures should be identical.
assert_log(tex1 == tex2);
assert_log(tex1 == tex3);
stringc newWd = wd + "/empty/empty";
bool changed = device->getFileSystem()->changeWorkingDirectoryTo(newWd.c_str());
assert_log(changed);
ITexture * tex4 = driver->getTexture("../../media/tools.png");
assert_log(tex4);
if(!tex4)
logTestString("Unable to open ../../media/tools.png\n");
assert_log(tex1 != tex4);
// The working directory must be restored for the other tests to work.
changed &= device->getFileSystem()->changeWorkingDirectoryTo(wd.c_str());
device->closeDevice();
device->run();
device->drop();
return (changed && tex1 == tex2 && tex1 == tex3 && tex1 != tex4) ? true : false;
}