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//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2013 Vincent Richard <vincent@vmime.org>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#include "tests/testUtils.hpp"
#include "vmime/utility/inputStreamStringAdapter.hpp"
#include "vmime/utility/seekableInputStreamRegionAdapter.hpp"
#include "vmime/utility/stringUtils.hpp"
using namespace vmime::utility;
VMIME_TEST_SUITE_BEGIN(seekableInputStreamRegionAdapterTest)
VMIME_TEST_LIST_BEGIN
VMIME_TEST(testInitialPosition)
VMIME_TEST(testSeekAndGetPosition)
VMIME_TEST(testRead)
VMIME_TEST(testSkip)
VMIME_TEST(testReset)
VMIME_TEST(testOwnPosition)
VMIME_TEST_LIST_END
vmime::shared_ptr <seekableInputStreamRegionAdapter> createStream
(vmime::shared_ptr <seekableInputStream>* underlyingStream = NULL)
{
vmime::string buffer("THIS IS A TEST BUFFER");
vmime::shared_ptr <seekableInputStream> strStream =
vmime::make_shared <inputStreamStringAdapter>(buffer);
vmime::shared_ptr <seekableInputStreamRegionAdapter> rgnStream =
vmime::make_shared <seekableInputStreamRegionAdapter>(strStream, 10, 11);
if (underlyingStream)
*underlyingStream = strStream;
return rgnStream;
}
void testInitialPosition()
{
vmime::shared_ptr <seekableInputStreamRegionAdapter> stream = createStream();
VASSERT_EQ("Pos", 0, stream->getPosition());
VASSERT_FALSE("EOF", stream->eof());
}
void testSeekAndGetPosition()
{
vmime::shared_ptr <seekableInputStreamRegionAdapter> stream = createStream();
stream->seek(5);
VASSERT_EQ("Pos 1", 5, stream->getPosition());
VASSERT_FALSE("EOF 1", stream->eof());
stream->seek(20);
VASSERT_EQ("Pos 2", 11, stream->getPosition());
VASSERT_TRUE("EOF 2", stream->eof());
}
void testRead()
{
vmime::shared_ptr <seekableInputStreamRegionAdapter> stream = createStream();
stream->seek(5);
vmime::byte_t buffer[100];
std::fill(vmime::begin(buffer), vmime::end(buffer), 0);
vmime::size_t read = stream->read(buffer, 6);
VASSERT_EQ("Pos", 11, stream->getPosition());
VASSERT_EQ("Read", 6, read);
VASSERT_TRUE("EOF", stream->eof());
VASSERT_EQ("Buffer", "BUFFER",
vmime::utility::stringUtils::makeStringFromBytes(buffer, 6));
}
void testSkip()
{
vmime::shared_ptr <seekableInputStreamRegionAdapter> stream = createStream();
stream->skip(5);
VASSERT_EQ("Pos 1", 5, stream->getPosition());
VASSERT_FALSE("EOF 1", stream->eof());
vmime::byte_t buffer[100];
std::fill(vmime::begin(buffer), vmime::end(buffer), 0);
vmime::size_t read = stream->read(buffer, 3);
VASSERT_EQ("Pos 2", 8, stream->getPosition());
VASSERT_EQ("Read", 3, read);
VASSERT_FALSE("EOF 2", stream->eof());
VASSERT_EQ("Buffer", "BUF",
vmime::utility::stringUtils::makeStringFromBytes(buffer, 3));
stream->skip(50);
VASSERT_EQ("Pos 3", 11, stream->getPosition());
VASSERT_TRUE("EOF 3", stream->eof());
}
void testReset()
{
vmime::shared_ptr <seekableInputStreamRegionAdapter> stream = createStream();
stream->skip(100);
stream->reset();
VASSERT_EQ("Pos", 0, stream->getPosition());
VASSERT_FALSE("EOF", stream->eof());
}
void testOwnPosition()
{
// seekableInputStreamRegionAdapter should keep track of its own position
// in the underlying stream, and not be affected by possible seek/read
// operations on it...
vmime::shared_ptr <seekableInputStream> ustream;
vmime::shared_ptr <seekableInputStreamRegionAdapter> stream = createStream(&ustream);
stream->seek(5);
vmime::byte_t buffer1[100];
std::fill(vmime::begin(buffer1), vmime::end(buffer1), 0);
VASSERT_EQ("Read 1", 7, ustream->read(buffer1, 7));
vmime::byte_t buffer2[100];
std::fill(vmime::begin(buffer2), vmime::end(buffer2), 0);
VASSERT_EQ("Read 2", 6, stream->read(buffer2, 6));
VASSERT_EQ("Buffer 1", "THIS IS",
vmime::utility::stringUtils::makeStringFromBytes(buffer1, 7));
VASSERT_EQ("Buffer 2", "BUFFER",
vmime::utility::stringUtils::makeStringFromBytes(buffer2, 6));
// ...but the underlying stream position is affected by read operations
// from the region adapter (FIXME?)
VASSERT_EQ("Pos", 21, ustream->getPosition());
}
VMIME_TEST_SUITE_END
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