mirror of https://github.com/etlegacy/EasyGen.git
261 lines
7.3 KiB
C++
261 lines
7.3 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#include <ImfXdr.h>
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#include <ImfIO.h>
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#include <typeinfo>
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#include <string.h>
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#include <assert.h>
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#if defined (__GNUC__) && __GNUC__ == 2
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#include <strstream.h>
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#else
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#include <sstream>
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#endif
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using namespace OPENEXR_IMF_NAMESPACE;
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using namespace std;
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namespace {
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struct CharIO
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{
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static void
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writeChars (ostream &os, const char c[], int n)
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{
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os.write (c, n);
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}
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static bool
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readChars (istream &is, char c[], int n)
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{
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is.read (c, n);
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return true;
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}
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};
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void
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writeData (ostream &os)
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{
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Xdr::write<CharIO> (os, (bool) true);
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Xdr::write<CharIO> (os, (bool) false);
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Xdr::write<CharIO> (os, (char) 'r');
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Xdr::write<CharIO> (os, (char) 'e');
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Xdr::write<CharIO> (os, (signed char) 'u');
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Xdr::write<CharIO> (os, (signed char) 'c');
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Xdr::write<CharIO> (os, (unsigned char) 'k');
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Xdr::write<CharIO> (os, (unsigned char) 'y');
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Xdr::write<CharIO> (os, (signed short) 8765);
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Xdr::write<CharIO> (os, (signed short) -9876);
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Xdr::write<CharIO> (os, (unsigned short) 6543);
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Xdr::write<CharIO> (os, (unsigned short) 17432);
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Xdr::write<CharIO> (os, (signed int) 2023456789);
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Xdr::write<CharIO> (os, (signed int) -2012345678);
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Xdr::write<CharIO> (os, (unsigned int) 1234567890u);
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Xdr::write<CharIO> (os, (unsigned int) 2345678901u);
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Xdr::write<CharIO> (os, (signed long) 2034567890);
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Xdr::write<CharIO> (os, (signed long) -2045678901);
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Xdr::write<CharIO> (os, (unsigned long) 1345678901u);
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Xdr::write<CharIO> (os, (unsigned long) 2456789012u);
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Xdr::write<CharIO> (os, (Int64) 0x1122334455667788ll);
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Xdr::write<CharIO> (os, (Int64) 0xf1f2f3f4f5f6f7f8ll);
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Xdr::write<CharIO> (os, (float) 0.0f);
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Xdr::write<CharIO> (os, (float) 3.141592653589793f);
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Xdr::write<CharIO> (os, (float) 6.141592653589793f);
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Xdr::write<CharIO> (os, (double) 0);
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Xdr::write<CharIO> (os, (double) 1.41421356237309504880);
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Xdr::write<CharIO> (os, (double) 2.41421356237309504880);
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Xdr::write<CharIO> (os, (half) 0);
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Xdr::write<CharIO> (os, (half) 3.4142);
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Xdr::write<CharIO> (os, (half) 4.4142);
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Xdr::write<CharIO> (os, "abcdefgh", 4); // fixed-size char array
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Xdr::write<CharIO> (os, "rstuvwxy", 5);
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Xdr::write<CharIO> (os, "qwerty"); // zero-terminated string
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Xdr::write<CharIO> (os, "asdfghjkl");
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Xdr::write<CharIO> (os, "");
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Xdr::pad<CharIO> (os, 17);
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Xdr::write<CharIO> (os, (int) 1);
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Xdr::pad<CharIO> (os, 0);
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Xdr::write<CharIO> (os, (int) 2);
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Xdr::pad<CharIO> (os, 17);
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Xdr::write<CharIO> (os, (int) 3);
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assert (!os == false);
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}
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template <class T>
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void
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check (istream &is, T c)
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{
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T v;
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Xdr::read<CharIO> (is, v);
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cout << typeid(v).name() << ": expected " << c << ", got " << v << endl;
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assert (c == v);
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}
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template <>
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void
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check (istream &is, const char * c)
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{
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char v[1024];
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Xdr::read<CharIO> (is, sizeof (v), v);
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cout << "zero-terminated string: "
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"expected \"" << c << "\", "
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"got \"" << v << "\"" << endl;
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assert (!strcmp (c, v));
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}
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void
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check (istream &is, const char c[/*n*/], int n)
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{
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char v[1024];
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assert (n <= (int) sizeof (v));
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Xdr::read<CharIO> (is, v, n);
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cout << "char[" << n << "]: expected \"";
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for (int i = 0; i < n; i++)
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cout << c[i];
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cout << "\", got \"";
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for (int i = 0; i < n; i++)
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cout << v[i];
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cout << "\"" << endl;
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for (int i = 0; i < n; i++)
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assert (c[i] == v[i]);
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}
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void
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readData (istream &is)
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{
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check (is, (bool) true);
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check (is, (bool) false);
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check (is, (char) 'r');
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check (is, (char) 'e');
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check (is, (signed char) 'u');
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check (is, (signed char) 'c');
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check (is, (unsigned char) 'k');
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check (is, (unsigned char) 'y');
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check (is, (signed short) 8765);
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check (is, (signed short) -9876);
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check (is, (unsigned short) 6543);
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check (is, (unsigned short) 17432);
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check (is, (signed int) 2023456789);
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check (is, (signed int) -2012345678);
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check (is, (unsigned int) 1234567890u);
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check (is, (unsigned int) 2345678901u);
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check (is, (signed long) 2034567890);
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check (is, (signed long) -2045678901);
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check (is, (unsigned long) 1345678901u);
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check (is, (unsigned long) 2456789012u);
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check (is, (Int64) 0x1122334455667788ll);
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check (is, (Int64) 0xf1f2f3f4f5f6f7f8ll);
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check (is, (float) 0.0f);
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check (is, (float) 3.141592653589793f);
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check (is, (float) 6.141592653589793f);
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check (is, (double) 0.0);
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check (is, (double) 1.41421356237309504880);
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check (is, (double) 2.41421356237309504880);
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check (is, (half) 0);
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check (is, (half) 3.4142);
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check (is, (half) 4.4142);
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check (is, (const char *) "abcdefgh", 4);
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check (is, (const char *) "rstuvwxy", 5);
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check (is, (const char *) "qwerty");
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check (is, (const char *) "asdfghjkl");
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check (is, (const char *) "");
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Xdr::skip<CharIO> (is, 17);
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check (is, (int) 1);
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Xdr::skip<CharIO> (is, 0);
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check (is, (int) 2);
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Xdr::skip<CharIO> (is, 17);
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check (is, (int) 3);
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assert (!is == false);
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}
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} // namespace
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void
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testXdr ()
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{
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cout << "Testing Xdr" << endl;
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try
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{
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assert (sizeof (Int64) == 8);
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#if defined (__GNUC__) && __GNUC__ == 2
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strstream s;
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#else
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stringstream s;
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#endif
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writeData (s);
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s.seekg (0);
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readData (s);
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}
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catch (const std::exception &e)
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{
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cout << "unexpected exception: " << e.what() << endl;
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assert (false);
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}
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catch (...)
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{
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cout << "unexpected exception" << endl;
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assert (false);
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}
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cout << "ok\n" << endl;
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}
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