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#include <cxxtest/TestSuite.h>
#include "common/memstream.h"
#include "common/bufferedstream.h"
class BufferedReadStreamTestSuite : public CxxTest::TestSuite {
public:
void test_traverse() {
byte contents[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
Common::MemoryReadStream ms(contents, 10);
// Use a buffer size of 4 -- note that 10 % 4 != 0,
// so we test what happens if the cache can't be completely
// refilled.
Common::ReadStream &srs = *Common::wrapBufferedReadStream(&ms, 4, DisposeAfterUse::NO);
byte i, b;
for (i = 0; i < 10; ++i) {
TS_ASSERT(!srs.eos());
b = srs.readByte();
TS_ASSERT_EQUALS(i, b);
}
TS_ASSERT(!srs.eos());
b = srs.readByte();
TS_ASSERT(srs.eos());
delete &srs;
}
void test_traverse2() {
byte contents[9] = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
Common::MemoryReadStream ms(contents, 9);
Common::ReadStream &brs = *Common::wrapBufferedReadStream(&ms, 4, DisposeAfterUse::NO);
// Traverse the stream with reads of 2 bytes. The size is not
// a multiple of 2, so we can test the final partial read.
byte i, b[2];
for (i = 0; i < 4; ++i) {
TS_ASSERT(!brs.eos());
int n = brs.read(b, 2);
TS_ASSERT_EQUALS(n, 2);
}
TS_ASSERT(!brs.eos());
int n = brs.read(b, 2);
TS_ASSERT_EQUALS(n, 1);
TS_ASSERT(brs.eos());
delete &brs;
}
};
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