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108 lines
2.7 KiB
C++
108 lines
2.7 KiB
C++
#include <cxxtest/TestSuite.h>
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#include "common/memstream.h"
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class MemoryReadStreamTestSuite : public CxxTest::TestSuite {
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public:
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void test_seek_set() {
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byte contents[] = { 'a', 'b', '\n', '\n', 'c', '\n' };
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Common::MemoryReadStream ms(contents, sizeof(contents));
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ms.seek(0, SEEK_SET);
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TS_ASSERT_EQUALS(ms.pos(), 0);
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TS_ASSERT(!ms.eos());
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ms.seek(1, SEEK_SET);
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TS_ASSERT_EQUALS(ms.pos(), 1);
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TS_ASSERT(!ms.eos());
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ms.seek(5, SEEK_SET);
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TS_ASSERT_EQUALS(ms.pos(), 5);
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TS_ASSERT(!ms.eos());
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}
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void test_seek_cur() {
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byte contents[] = { 'a', 'b', '\n', '\n', 'c' };
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Common::MemoryReadStream ms(contents, sizeof(contents));
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ms.seek(3, SEEK_CUR);
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TS_ASSERT_EQUALS(ms.pos(), 3);
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TS_ASSERT(!ms.eos());
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ms.seek(-1, SEEK_CUR);
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TS_ASSERT_EQUALS(ms.pos(), 2);
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TS_ASSERT(!ms.eos());
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ms.seek(3, SEEK_CUR);
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TS_ASSERT_EQUALS(ms.pos(), 5);
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TS_ASSERT(!ms.eos());
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ms.seek(-1, SEEK_CUR);
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TS_ASSERT_EQUALS(ms.pos(), 4);
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TS_ASSERT(!ms.eos());
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}
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void test_seek_end() {
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byte contents[] = { 'a', 'b', '\n', '\n', 'c' };
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Common::MemoryReadStream ms(contents, sizeof(contents));
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ms.seek(0, SEEK_END);
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TS_ASSERT_EQUALS(ms.pos(), 5);
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TS_ASSERT(!ms.eos());
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ms.seek(-1, SEEK_END);
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TS_ASSERT_EQUALS(ms.pos(), 4);
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TS_ASSERT(!ms.eos());
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ms.seek(-5, SEEK_END);
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TS_ASSERT_EQUALS(ms.pos(), 0);
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TS_ASSERT(!ms.eos());
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}
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void test_seek_read_le() {
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byte contents[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
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Common::MemoryReadStream ms(contents, sizeof(contents));
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TS_ASSERT_EQUALS(ms.readUint16LE(), 0x0201UL);
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TS_ASSERT_EQUALS(ms.pos(), 2);
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TS_ASSERT_EQUALS(ms.readUint32LE(), 0x06050403UL);
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TS_ASSERT_EQUALS(ms.pos(), 6);
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TS_ASSERT_EQUALS(ms.readUint64LE(), 0x0E0D0C0B0A090807ULL);
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TS_ASSERT_EQUALS(ms.pos(), 14);
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TS_ASSERT_EQUALS(ms.readByte(), 0x0F);
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TS_ASSERT_EQUALS(ms.pos(), 15);
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TS_ASSERT(!ms.eos());
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}
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void test_seek_read_be() {
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byte contents[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
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Common::MemoryReadStream ms(contents, sizeof(contents));
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TS_ASSERT_EQUALS(ms.readUint16BE(), 0x0102UL);
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TS_ASSERT_EQUALS(ms.pos(), 2);
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TS_ASSERT_EQUALS(ms.readUint32BE(), 0x03040506UL);
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TS_ASSERT_EQUALS(ms.pos(), 6);
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TS_ASSERT_EQUALS(ms.readUint64BE(), 0x0708090A0B0C0D0EULL);
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TS_ASSERT_EQUALS(ms.pos(), 14);
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TS_ASSERT_EQUALS(ms.readByte(), 0x0F);
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TS_ASSERT_EQUALS(ms.pos(), 15);
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TS_ASSERT(!ms.eos());
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}
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void test_eos() {
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byte contents[] = { 1, 2, 3, 4, 5, 6, 7 };
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Common::MemoryReadStream ms(contents, sizeof(contents));
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// Read after the end of the stream
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for (int32 i = 0; i <= ms.size(); ++i)
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ms.readByte();
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// The eos flag should be set here
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TS_ASSERT(ms.eos());
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// Seeking should reset the eos flag
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ms.seek(0, SEEK_SET);
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TS_ASSERT(!ms.eos());
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}
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};
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