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#include <cxxtest/TestSuite.h>
#include "common/memstream.h"
class MemoryReadStreamEndianTestSuite : public CxxTest::TestSuite {
public:
void test_seek_set() {
byte contents[] = { 'a', 'b', '\n', '\n', 'c', '\n' };
Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
ms.seek(0, SEEK_SET);
TS_ASSERT_EQUALS(ms.pos(), 0);
TS_ASSERT(!ms.eos());
ms.seek(1, SEEK_SET);
TS_ASSERT_EQUALS(ms.pos(), 1);
TS_ASSERT(!ms.eos());
ms.seek(5, SEEK_SET);
TS_ASSERT_EQUALS(ms.pos(), 5);
TS_ASSERT(!ms.eos());
}
void test_seek_cur() {
byte contents[] = { 'a', 'b', '\n', '\n', 'c' };
Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
ms.seek(3, SEEK_CUR);
TS_ASSERT_EQUALS(ms.pos(), 3);
TS_ASSERT(!ms.eos());
ms.seek(-1, SEEK_CUR);
TS_ASSERT_EQUALS(ms.pos(), 2);
TS_ASSERT(!ms.eos());
ms.seek(3, SEEK_CUR);
TS_ASSERT_EQUALS(ms.pos(), 5);
TS_ASSERT(!ms.eos());
ms.seek(-1, SEEK_CUR);
TS_ASSERT_EQUALS(ms.pos(), 4);
TS_ASSERT(!ms.eos());
}
void test_seek_end() {
byte contents[] = { 'a', 'b', '\n', '\n', 'c' };
Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
ms.seek(0, SEEK_END);
TS_ASSERT_EQUALS(ms.pos(), 5);
TS_ASSERT(!ms.eos());
ms.seek(-1, SEEK_END);
TS_ASSERT_EQUALS(ms.pos(), 4);
TS_ASSERT(!ms.eos());
ms.seek(-5, SEEK_END);
TS_ASSERT_EQUALS(ms.pos(), 0);
TS_ASSERT(!ms.eos());
}
void test_seek_read_le() {
byte contents[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
TS_ASSERT_EQUALS(ms.readUint16LE(), 0x0201UL);
TS_ASSERT_EQUALS(ms.pos(), 2);
TS_ASSERT_EQUALS(ms.readUint32LE(), 0x06050403UL);
TS_ASSERT_EQUALS(ms.pos(), 6);
TS_ASSERT_EQUALS(ms.readUint64LE(), 0x0E0D0C0B0A090807ULL);
TS_ASSERT_EQUALS(ms.pos(), 14);
TS_ASSERT_EQUALS(ms.readByte(), 0x0F);
TS_ASSERT_EQUALS(ms.pos(), 15);
TS_ASSERT(!ms.eos());
}
void test_seek_read_be() {
byte contents[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
TS_ASSERT_EQUALS(ms.readUint16BE(), 0x0102UL);
TS_ASSERT_EQUALS(ms.pos(), 2);
TS_ASSERT_EQUALS(ms.readUint32BE(), 0x03040506UL);
TS_ASSERT_EQUALS(ms.pos(), 6);
TS_ASSERT_EQUALS(ms.readUint64LE(), 0x0708090A0B0C0D0EULL);
TS_ASSERT_EQUALS(ms.pos(), 14);
TS_ASSERT_EQUALS(ms.readByte(), 0x0F);
TS_ASSERT_EQUALS(ms.pos(), 15);
TS_ASSERT(!ms.eos());
}
void test_seek_read_le2() {
byte contents[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
Common::MemoryReadStreamEndian ms(contents, sizeof(contents), false);
TS_ASSERT_EQUALS(ms.readUint16(), 0x0201UL);
TS_ASSERT_EQUALS(ms.pos(), 2);
TS_ASSERT_EQUALS(ms.readUint32(), 0x06050403UL);
TS_ASSERT_EQUALS(ms.pos(), 6);
TS_ASSERT_EQUALS(ms.readUint64LE(), 0x0E0D0C0B0A090807ULL);
TS_ASSERT_EQUALS(ms.pos(), 14);
TS_ASSERT_EQUALS(ms.readByte(), 0x0F);
TS_ASSERT_EQUALS(ms.pos(), 15);
TS_ASSERT(!ms.eos());
}
void test_seek_read_be2() {
byte contents[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
Common::MemoryReadStreamEndian ms(contents, sizeof(contents), true);
TS_ASSERT_EQUALS(ms.readUint16(), 0x0102UL);
TS_ASSERT_EQUALS(ms.pos(), 2);
TS_ASSERT_EQUALS(ms.readUint32(), 0x03040506UL);
TS_ASSERT_EQUALS(ms.pos(), 6);
TS_ASSERT_EQUALS(ms.readUint64LE(), 0x0708090A0B0C0D0EULL);
TS_ASSERT_EQUALS(ms.pos(), 14);
TS_ASSERT_EQUALS(ms.readByte(), 0x0F);
TS_ASSERT_EQUALS(ms.pos(), 15);
TS_ASSERT(!ms.eos());
}
};
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