mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-21 01:08:25 +00:00
112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
#include <cxxtest/TestSuite.h>
|
|
|
|
#include "common/serializer.h"
|
|
#include "common/stream.h"
|
|
|
|
class SerializerTestSuite : public CxxTest::TestSuite {
|
|
Common::SeekableReadStream *_inStreamV1;
|
|
Common::SeekableReadStream *_inStreamV2;
|
|
public:
|
|
void setUp() {
|
|
// Our pseudo data format is as follows:
|
|
// * magic id - string "MAGI"
|
|
// * Version - uint32, LE
|
|
// * uint32, LE (available in v2 onward)
|
|
// * uint16, BE (available in v1 onward)
|
|
// * sint16, LE (available only in v1)
|
|
// * byte (always available)
|
|
static const byte contents_v1[] = {
|
|
'M', 'A', 'G', 'I', // magic id
|
|
0x01, 0x00, 0x00, 0x00, // Version
|
|
0x06, 0x07, // uint16, BE (available in v1 onward)
|
|
0xfe, 0xff, // sint16, LE (available only in v1)
|
|
0x0a // byte (always available)
|
|
};
|
|
static const byte contents_v2[] = {
|
|
'M', 'A', 'G', 'I', // magic id
|
|
0x02, 0x00, 0x00, 0x00, // Version
|
|
0x02, 0x03, 0x04, 0x05, // uint32, LE (available in v2 onward)
|
|
0x06, 0x07, // uint16, BE (available in v1 onward)
|
|
0x0a // byte (always available)
|
|
};
|
|
|
|
_inStreamV1 = new Common::MemoryReadStream(contents_v1, sizeof(contents_v1));
|
|
_inStreamV2 = new Common::MemoryReadStream(contents_v2, sizeof(contents_v2));
|
|
}
|
|
|
|
void tearDown() {
|
|
delete _inStreamV1;
|
|
delete _inStreamV2;
|
|
}
|
|
|
|
// A method which reads a v1 file
|
|
void readVersioned_v1(Common::SeekableReadStream *stream, Common::Serializer::Version version) {
|
|
Common::Serializer ser(stream, 0);
|
|
|
|
TS_ASSERT(ser.matchBytes("MAGI", 4));
|
|
|
|
TS_ASSERT(ser.syncVersion(1));
|
|
TS_ASSERT_EQUALS(ser.getVersion(), version);
|
|
|
|
uint32 tmp = 0;
|
|
|
|
ser.syncAsUint16BE(tmp, Common::Serializer::Version(1));
|
|
TS_ASSERT_EQUALS(tmp, (uint16)0x0607);
|
|
|
|
ser.syncAsSint16LE(tmp, Common::Serializer::Version(1));
|
|
TS_ASSERT_EQUALS((int16)tmp, -2);
|
|
|
|
ser.syncAsByte(tmp);
|
|
TS_ASSERT_EQUALS(tmp, (uint8)0x0a);
|
|
}
|
|
|
|
// A method which reads a v2 file
|
|
void readVersioned_v2(Common::SeekableReadStream *stream, Common::Serializer::Version version) {
|
|
Common::Serializer ser(stream, 0);
|
|
|
|
TS_ASSERT(ser.matchBytes("MAGI", 4));
|
|
|
|
TS_ASSERT(ser.syncVersion(2));
|
|
TS_ASSERT_EQUALS(ser.getVersion(), version);
|
|
|
|
uint32 tmp;
|
|
|
|
// Read a value only available starting with v2.
|
|
// Thus if we load an old save, it must be
|
|
// manually set. To simplify that, no sync method should
|
|
// modify the value passed to it if nothing was read!
|
|
tmp = 0x12345678;
|
|
ser.syncAsUint32LE(tmp, Common::Serializer::Version(2));
|
|
if (ser.getVersion() < 2) {
|
|
TS_ASSERT_EQUALS(tmp, (uint32)0x12345678);
|
|
} else {
|
|
TS_ASSERT_EQUALS(tmp, (uint32)0x05040302);
|
|
}
|
|
|
|
ser.syncAsUint16BE(tmp, Common::Serializer::Version(1));
|
|
TS_ASSERT_EQUALS(tmp, (uint32)0x0607);
|
|
|
|
// Skip over obsolete data
|
|
ser.skip(2, Common::Serializer::Version(1), Common::Serializer::Version(1));
|
|
|
|
ser.syncAsByte(tmp);
|
|
TS_ASSERT_EQUALS(tmp, (uint8)0x0a);
|
|
}
|
|
|
|
void test_read_v1_as_v1() {
|
|
readVersioned_v1(_inStreamV1, 1);
|
|
}
|
|
|
|
// There is no test_read_v2_as_v1() because a v1 parser cannot possibly
|
|
// read v2 data correctly. It should instead error out if it
|
|
// detects a version newer than its current version.
|
|
|
|
void test_read_v1_as_v2() {
|
|
readVersioned_v2(_inStreamV1, 1);
|
|
}
|
|
|
|
void test_read_v2_as_v2() {
|
|
readVersioned_v2(_inStreamV2, 2);
|
|
}
|
|
};
|