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//////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2003, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////
#include <ImfVersion.h>
#include <ImfTestFile.h>
#include <ImfStdIO.h>
#include <iostream>
#include <exception>
#include <stdio.h>
#include <assert.h>
#ifndef ILM_IMF_TEST_IMAGEDIR
#define ILM_IMF_TEST_IMAGEDIR
#endif
using namespace Imf;
using namespace std;
namespace {
void
testFile1 (const char fileName[], bool isImfFile)
{
cout << fileName << " " << flush;
ifstream f (fileName, ios_base::binary);
assert (!!f);
char bytes[4];
f.read (bytes, sizeof (bytes));
assert (!!f && isImfFile == isImfMagic (bytes));
cout << "is " << (isImfMagic (bytes)? "": "not ") << "an OpenEXR file\n";
}
void
testFile2 (const char fileName[], bool exists, bool exrFile, bool tiledFile)
{
cout << fileName << " " << flush;
bool exr, tiled;
exr = isOpenExrFile (fileName, tiled);
assert (exr == exrFile && tiled == tiledFile);
exr = isOpenExrFile (fileName);
assert (exr == exrFile);
tiled = isTiledOpenExrFile (fileName);
assert (tiled == tiledFile);
if (exists)
{
StdIFStream is (fileName);
exr = isOpenExrFile (is, tiled);
assert (exr == exrFile && tiled == tiledFile);
if (exr)
assert (is.tellg() == 0);
exr = isOpenExrFile (is);
assert (exr == exrFile);
if (exr)
assert (is.tellg() == 0);
tiled = isTiledOpenExrFile (is);
assert (tiled == tiledFile);
if (tiled)
assert (is.tellg() == 0);
}
cout << (exists? "exists": "does not exist") << ", " <<
(exrFile? "is an OpenEXR file": "is not an OpenEXR file") << ", " <<
(tiledFile? "is tiled": "is not tiled") << endl;
}
} // namespace
void
testMagic ()
{
try
{
cout << "Testing magic number" << endl;
testFile1 (ILM_IMF_TEST_IMAGEDIR "comp_none.exr", true);
testFile1 (ILM_IMF_TEST_IMAGEDIR "invalid.exr", false);
testFile2 (ILM_IMF_TEST_IMAGEDIR "tiled.exr", true, true, true);
testFile2 (ILM_IMF_TEST_IMAGEDIR "comp_none.exr", true, true, false);
testFile2 (ILM_IMF_TEST_IMAGEDIR "invalid.exr", true, false, false);
testFile2 (ILM_IMF_TEST_IMAGEDIR "does_not_exist.exr", false, false, false);
cout << "ok\n" << endl;
}
catch (const std::exception &e)
{
cerr << "ERROR -- caught exception: " << e.what() << endl;
assert (false);
}
}
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