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Clarifies control flow.

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This commit is contained in:
Thomas Harte 2021-07-06 20:28:32 -04:00
parent 704dc9bdcb
commit 8e0893bd42
1 changed files with 11 additions and 13 deletions
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20
OSBindings/Mac/Clock SignalTests/EnterpriseDaveTests.mm
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@ -35,29 +35,27 @@
for(int c = 0; c < 250000; c++) {
// Advance one cycle. Clock is 500,000 Hz.
_interruptSource->run_for(Cycles(2));
--nextSequencePoint;
// Check for a status bit change.
const uint8_t newDividerState = _interruptSource->get_divider_state();
const bool didToggle = (dividerState^newDividerState)&0x1;
if(didToggle) {
++toggles;
}
dividerState = newDividerState;
--nextSequencePoint;
toggles += didToggle;
// Check for the relevant interrupt.
const uint8_t newInterrupts = _interruptSource->get_new_interrupts();
if(newInterrupts) {
XCTAssertEqual(nextSequencePoint, 0);
nextSequencePoint = _interruptSource->get_next_sequence_point().as<int>();
if(newInterrupts & 0x02) {
++interrupts;
XCTAssertEqual(nextSequencePoint, 0);
XCTAssertTrue(didToggle);
nextSequencePoint = _interruptSource->get_next_sequence_point().as<int>();
}
} else {
// Failing that, confirm that the other interrupt happend.
if(!nextSequencePoint) {
XCTAssertTrue(newInterrupts & 0x08);
nextSequencePoint = _interruptSource->get_next_sequence_point().as<int>();
}
}
XCTAssertEqual(nextSequencePoint, _interruptSource->get_next_sequence_point().as<int>(), @"At cycle %d", c);