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Reformulate to allow addition of write tests, momentarily.

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This commit is contained in:
Thomas Harte 2022-06-28 16:22:41 -04:00
parent 94fcc90886
commit ef322dc705
1 changed files with 50 additions and 33 deletions
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83
OSBindings/Mac/Clock SignalTests/IIgsMemoryMapTests.mm
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@ -257,28 +257,31 @@ namespace {
_memoryMap.set_state_register(state);
// Test results.
for(NSArray<NSNumber *> *region in test[@"read"]) {
const auto logicalStart = [region[0] intValue];
const auto logicalEnd = [region[1] intValue];
const auto physicalStart = [region[2] intValue];
const auto physicalEnd = [region[3] intValue];
auto testMemory =
^(NSString *type, void (^ applyTest)(int logical, int physical)) {
for(NSArray<NSNumber *> *region in test[type]) {
const auto logicalStart = [region[0] intValue];
const auto logicalEnd = [region[1] intValue];
const auto physicalStart = [region[2] intValue];
const auto physicalEnd = [region[3] intValue];
if(physicalEnd == physicalStart && physicalStart == 0) {
continue;
}
if(physicalEnd == physicalStart && physicalStart == 0) {
continue;
}
// Test read pointers.
int physical = physicalStart;
for(int logical = logicalStart; logical < logicalEnd; logical++) {
const auto &region = _memoryMap.regions[_memoryMap.region_map[logical]];
XCTAssert(region.read != nullptr);
int foundPhysical = -1;
const uint8_t *const read_ptr = &region.read[logical << 8];
int physical = physicalStart;
for(int logical = logicalStart; logical < logicalEnd; logical++) {
applyTest(logical, physical);
if(physical != physicalEnd) ++physical;
}
}
};
auto physicalOffset =
^(const uint8_t *pointer) {
// Check for a mapping to RAM.
if(read_ptr >= _ram.data() && read_ptr < &(*_ram.end())) {
foundPhysical = int(&region.read[logical << 8] - _ram.data()) >> 8;
if(pointer >= self->_ram.data() && pointer < &(*self->_ram.end())) {
int foundPhysical = int(pointer - self->_ram.data()) >> 8;
// This emulator maps a contiguous 8mb + 128kb of RAM such that the
// first 8mb resides up to physical location 0x8000, and the final
@ -286,30 +289,44 @@ namespace {
if(foundPhysical >= 0x8000) {
foundPhysical += 0xe000 - 0x8000;
}
return foundPhysical;
}
// Check for a mapping to ROM.
if(read_ptr >= _rom.data() && read_ptr < &(*_rom.end())) {
if(pointer >= self->_rom.data() && pointer < &(*self->_rom.end())) {
// This emulator uses a separate store for ROM, which sholud appear in
// the memory map from locatio 0xfc00.
foundPhysical = 0xfc00 + (int(&region.read[logical << 8] - _rom.data()) >> 8);
return 0xfc00 + (int(pointer - self->_rom.data()) >> 8);
}
// Compare to correct value.
XCTAssert(physical == foundPhysical,
@"Logical page %04x should be mapped to physical %04x; is instead %04x",
logical,
physical,
foundPhysical);
return -1;
};
if(physical != foundPhysical) {
NSLog(@"Stopping after first failure");
*stop = YES;
return;
}
if(physical != physicalEnd) ++physical;
// Test read pointers.
testMemory(@"read", ^(int logical, int physical) {
const auto &region = self->_memoryMap.regions[self->_memoryMap.region_map[logical]];
XCTAssert(region.read != nullptr);
// Don't worry about IO pages here; they'll be compared shortly.
if(region.flags & MemoryMap::Region::IsIO) {
return;
}
}
const int foundPhysical = physicalOffset(&region.read[logical << 8]);
// Compare to correct value.
XCTAssert(physical == foundPhysical,
@"Logical page %04x should be mapped to physical %04x; is instead %04x",
logical,
physical,
foundPhysical);
if(physical != foundPhysical) {
NSLog(@"Stopping after first failure");
*stop = YES;
}
});
}];
}