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72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
#include <cxxtest/TestSuite.h>
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#include "common/stream.h"
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class SeekableSubReadStreamTestSuite : public CxxTest::TestSuite
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{
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public:
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void test_traverse( void )
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{
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byte contents[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
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Common::MemoryReadStream ms = Common::MemoryReadStream(contents, 10);
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int start = 2, end = 8;
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Common::SeekableSubReadStream ssrs = Common::SeekableSubReadStream(&ms, start, end);
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int i;
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byte b;
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for (i = start; i < end; ++i)
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{
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TS_ASSERT( !ssrs.eos() );
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TS_ASSERT_EQUALS( uint32(i - start), ssrs.pos() );
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ssrs.read(&b, 1);
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TS_ASSERT_EQUALS( i, b );
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}
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TS_ASSERT( ssrs.eos() );
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}
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void test_seek( void )
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{
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byte contents[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
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Common::MemoryReadStream ms = Common::MemoryReadStream(contents, 10);
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Common::SeekableSubReadStream ssrs = Common::SeekableSubReadStream(&ms, 1, 9);
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byte b;
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TS_ASSERT_EQUALS( ssrs.pos(), (uint32)0 );
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ssrs.seek(1, SEEK_SET);
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TS_ASSERT_EQUALS( ssrs.pos(), (uint32)1 );
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b = ssrs.readByte();
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TS_ASSERT_EQUALS( b, 2 );
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ssrs.seek(5, SEEK_CUR);
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TS_ASSERT_EQUALS( ssrs.pos(), (uint32)7 );
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b = ssrs.readByte();
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TS_ASSERT_EQUALS( b, 8 );
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ssrs.seek(-3, SEEK_CUR);
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TS_ASSERT_EQUALS( ssrs.pos(), (uint32)5 );
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b = ssrs.readByte();
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TS_ASSERT_EQUALS( b, 6 );
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ssrs.seek(0, SEEK_END);
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TS_ASSERT_EQUALS( ssrs.pos(), (uint32)8 );
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TS_ASSERT( ssrs.eos() );
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ssrs.seek(3, SEEK_END);
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TS_ASSERT_EQUALS( ssrs.pos(), (uint32)5 );
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b = ssrs.readByte();
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TS_ASSERT_EQUALS( b, 6 );
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ssrs.seek(8, SEEK_END);
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TS_ASSERT_EQUALS( ssrs.pos(), (uint32)0 );
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b = ssrs.readByte();
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TS_ASSERT_EQUALS( b, 1 );
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}
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};
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