mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-26 11:46:54 +00:00
74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
#include <cxxtest/TestSuite.h>
|
|
|
|
#include "common/memstream.h"
|
|
#include "common/substream.h"
|
|
|
|
class SeekableSubReadStreamTestSuite : 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);
|
|
|
|
int start = 2, end = 8;
|
|
|
|
Common::SeekableSubReadStream ssrs(&ms, start, end);
|
|
|
|
int i;
|
|
byte b;
|
|
for (i = start; i < end; ++i) {
|
|
TS_ASSERT(!ssrs.eos());
|
|
|
|
TS_ASSERT_EQUALS(i - start, ssrs.pos());
|
|
|
|
ssrs.read(&b, 1);
|
|
TS_ASSERT_EQUALS(i, b);
|
|
}
|
|
|
|
TS_ASSERT(!ssrs.eos());
|
|
TS_ASSERT_EQUALS((uint)0, ssrs.read(&b, 1));
|
|
TS_ASSERT(ssrs.eos());
|
|
}
|
|
|
|
void test_seek() {
|
|
byte contents[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
|
|
Common::MemoryReadStream ms(contents, 10);
|
|
|
|
Common::SeekableSubReadStream ssrs(&ms, 1, 9);
|
|
byte b;
|
|
|
|
TS_ASSERT_EQUALS(ssrs.pos(), 0);
|
|
|
|
ssrs.seek(1, SEEK_SET);
|
|
TS_ASSERT_EQUALS(ssrs.pos(), 1);
|
|
b = ssrs.readByte();
|
|
TS_ASSERT_EQUALS(b, 2);
|
|
|
|
ssrs.seek(5, SEEK_CUR);
|
|
TS_ASSERT_EQUALS(ssrs.pos(), 7);
|
|
b = ssrs.readByte();
|
|
TS_ASSERT_EQUALS(b, 8);
|
|
|
|
ssrs.seek(-3, SEEK_CUR);
|
|
TS_ASSERT_EQUALS(ssrs.pos(), 5);
|
|
b = ssrs.readByte();
|
|
TS_ASSERT_EQUALS(b, 6);
|
|
|
|
ssrs.seek(0, SEEK_END);
|
|
TS_ASSERT_EQUALS(ssrs.pos(), 8);
|
|
TS_ASSERT(!ssrs.eos());
|
|
b = ssrs.readByte();
|
|
TS_ASSERT(ssrs.eos());
|
|
|
|
ssrs.seek(-3, SEEK_END);
|
|
TS_ASSERT(!ssrs.eos());
|
|
TS_ASSERT_EQUALS(ssrs.pos(), 5);
|
|
b = ssrs.readByte();
|
|
TS_ASSERT_EQUALS(b, 6);
|
|
|
|
ssrs.seek(-8, SEEK_END);
|
|
TS_ASSERT_EQUALS(ssrs.pos(), 0);
|
|
b = ssrs.readByte();
|
|
TS_ASSERT_EQUALS(b, 1);
|
|
}
|
|
};
|