src/decaf/src/test/decaf/io/ByteArrayOutputStreamTest.cpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "ByteArrayOutputStreamTest.h"

using namespace std;
using namespace decaf;
using namespace decaf::lang;
using namespace decaf::io;
using namespace decaf::util;

void ByteArrayOutputStreamTest::testStream()
{
    ByteArrayOutputStream stream_a;

    stream_a.write('a');
    stream_a.write(60);
    stream_a.write('c');

    CPPUNIT_ASSERT( stream_a.getByteArraySize() == 3 );

    stream_a.clear();

    CPPUNIT_ASSERT( stream_a.getByteArraySize() == 0 );

    stream_a.write((const unsigned char*)("abc"), 3);

    CPPUNIT_ASSERT( stream_a.getByteArraySize() == 3 );

    stream_a.clear();

    CPPUNIT_ASSERT( stream_a.getByteArraySize() == 0 );

    stream_a.write((const unsigned char*)("abc"), 3);

    unsigned char buffer[4];

    memset(buffer, 0, 4);
    memcpy(buffer, stream_a.getByteArray(), stream_a.getByteArraySize());

    CPPUNIT_ASSERT( std::string((const char*)buffer) == std::string("abc") );
}