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