wavepacket-lib/lib/wave-png/test/test.cpp

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00001 /*
00002  * test.cpp
00003  *
00004  * Copyright (C) 2009  Thomas A. Vaughan
00005  * All rights reserved.
00006  *
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions are met:
00010  *     * Redistributions of source code must retain the above copyright
00011  *       notice, this list of conditions and the following disclaimer.
00012  *     * Redistributions in binary form must reproduce the above copyright
00013  *       notice, this list of conditions and the following disclaimer in the
00014  *       documentation and/or other materials provided with the distribution.
00015  *     * Neither the name of the <organization> nor the
00016  *       names of its contributors may be used to endorse or promote products
00017  *       derived from this software without specific prior written permission.
00018  *
00019  * THIS SOFTWARE IS PROVIDED BY THOMAS A. VAUGHAN ''AS IS'' AND ANY
00020  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00021  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00022  * DISCLAIMED. IN NO EVENT SHALL THOMAS A. VAUGHAN BE LIABLE FOR ANY
00023  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00024  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00025  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00026  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00027  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00028  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00029  *
00030  *
00031  * Test for the wave-png library.
00032  */
00033 
00034 // includes --------------------------------------------------------------------
00035 #include "wave-png/wave-png.h"
00036 
00037 #include <iostream>
00038 
00039 #include "common/wave_ex.h"
00040 #include "nstream/nstream.h"
00041 #include "perf/perf.h"
00042 #include "threadsafe/smart_ptr.h"
00043 #include "util/file.h"
00044 
00045 
00046 
00047 ////////////////////////////////////////////////////////////////////////////////
00048 //
00049 //      static helper methods
00050 //
00051 ////////////////////////////////////////////////////////////////////////////////
00052 
00053 static void
00054 doTest
00055 (
00056 IN const char * filename
00057 )
00058 {
00059         ASSERT(filename, "null");
00060 
00061         // create PNG image loader
00062         smart_ptr<media::ImageLoader> loader = media::createPngImageLoader();
00063         ASSERT(loader, "null");
00064 
00065         // create filesystem manager
00066         std::string parentDir;
00067         GetParentDirectory(filename, parentDir);
00068 
00069         smart_ptr<nstream::Manager> mgr =
00070             nstream::getFilesystemManager(parentDir.c_str());
00071         ASSERT_THROW(mgr, "failed to get filesystem manager");
00072 
00073         const char * name = GetFilename(filename);
00074 
00075         // now load image using image loader
00076         // NOTE: do NOT normally load images this way!  Use media::loadImage()
00077         //      instead.  We use the image loader directly here just for
00078         //      testing.
00079         ASSERT_THROW(loader->canLoadImage(mgr, name),
00080             "PNG image loader says it can't load file: " << name);
00081 
00082         smart_ptr<nstream::File> file = mgr->getEntry(name);
00083         ASSERT_THROW(file, "path is not a file: " << filename);
00084 
00085         smart_ptr<nstream::Stream> stream = file->openStream();
00086         ASSERT_THROW(stream, "failed to open stream for file: " << filename);
00087 
00088         media::image_t image;
00089         loader->load(stream, image);
00090         ASSERT_THROW(image.isValid(),
00091             "Loaded image, but it is not valid?  file=" << filename);
00092 
00093         image.dump(filename);
00094 }
00095 
00096 
00097 
00098 ////////////////////////////////////////////////////////////////////////////////
00099 //
00100 //      entry point
00101 //
00102 ////////////////////////////////////////////////////////////////////////////////
00103 
00104 int
00105 main
00106 (
00107 IN int argc,
00108 IN const char * argv[]
00109 )
00110 {
00111         ASSERT(2 == argc, "usage: wave-png-test <png-filename>");
00112         const char * filename = argv[1];
00113 
00114         int retval = 0;
00115         try {
00116                 perf::Timer timer("test -- overall timer");
00117                 doTest(filename);
00118 
00119         } catch (std::exception& e) {
00120                 DPRINTF("Exception: %s", e.what());
00121                 retval = 1;
00122         } catch (...) {
00123                 DPRINTF("Unknown exception!");
00124                 retval = 2;
00125         }
00126         perf::dumpTimingSummary(std::cerr);
00127 
00128         return retval;
00129 }
00130