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