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Adds a few more asserts.

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It's still just operands and displacements failing, which is nice.
This commit is contained in:
Thomas Harte 2021-01-08 23:21:01 -05:00
parent 5f807b6e47
commit 9ba5b7c1d4
1 changed files with 18 additions and 2 deletions
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20
OSBindings/Mac/Clock SignalTests/x86DecoderTests.mm
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@ -33,6 +33,13 @@ namespace {
// MARK: - Specific instruction asserts.
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size source:(Source)source destination:(Source)destination {
XCTAssertEqual(instruction.operation, operation);
XCTAssertEqual(instruction.operation_size(), CPU::Decoder::x86::Size(size));
XCTAssertEqual(instruction.source(), source);
XCTAssertEqual(instruction.destination(), destination);
}
- (void)assert:(Instruction &)instruction operation:(Operation)operation size:(int)size operand:(uint16_t)operand destination:(Source)destination {
XCTAssertEqual(instruction.operation, operation);
XCTAssertEqual(instruction.operation_size(), CPU::Decoder::x86::Size(size));
@ -41,6 +48,12 @@ namespace {
XCTAssertEqual(instruction.operand(), operand);
}
- (void)assert:(Instruction &)instruction operation:(Operation)operation displacement:(int16_t)displacement {
XCTAssertEqual(instruction.operation, operation);
XCTAssertEqual(instruction.displacement(), displacement);
}
// MARK: - Decoder
- (void)decode:(const std::initializer_list<uint8_t> &)stream {
@ -90,12 +103,15 @@ namespace {
// 68 instructions are expected.
XCTAssertEqual(instructions.size(), 63);
[self assert:instructions[0] operation:Operation::SUB size:2 operand:0xea77 destination:Source::AX];
// sub $0xea77,%ax
// jb 0x00000001
// dec %bx
// mov $0x28,%ch
[self assert:instructions[0] operation:Operation::SUB size:2 operand:0xea77 destination:Source::AX];
[self assert:instructions[1] operation:Operation::JB displacement:0x01];
[self assert:instructions[2] operation:Operation::DEC size:2 source:Source::BX destination:Source::BX];
[self assert:instructions[3] operation:Operation::MOV size:1 operand:0x28 destination:Source::CH];
// ret
// lret $0x4826
// gs insw (%dx),%es:(%di)