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Improves test, to assert that state toggles happen at interrupts.

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This commit is contained in:
Thomas Harte 2021-07-06 20:25:32 -04:00
parent 7a673a2448
commit 704dc9bdcb
1 changed files with 10 additions and 8 deletions
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18
OSBindings/Mac/Clock SignalTests/EnterpriseDaveTests.mm
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@ -23,7 +23,7 @@
_interruptSource = std::make_unique<Enterprise::Dave::TimedInterruptSource>();
}
- (void)performTestExpectedToggles:(int)expectedToggles {
- (void)performTestExpectedInterrupts:(int)expectedInterrupts {
// Check that the programmable timer flag toggles at a rate
// of 2kHz, causing 1000 interrupts, and that sequence points
// are properly predicted.
@ -37,7 +37,8 @@
_interruptSource->run_for(Cycles(2));
const uint8_t newDividerState = _interruptSource->get_divider_state();
if((dividerState^newDividerState)&0x1) {
const bool didToggle = (dividerState^newDividerState)&0x1;
if(didToggle) {
++toggles;
}
dividerState = newDividerState;
@ -49,6 +50,7 @@
if(newInterrupts & 0x02) {
++interrupts;
XCTAssertEqual(nextSequencePoint, 0);
XCTAssertTrue(didToggle);
nextSequencePoint = _interruptSource->get_next_sequence_point().as<int>();
}
@ -61,20 +63,20 @@
XCTAssertEqual(nextSequencePoint, _interruptSource->get_next_sequence_point().as<int>(), @"At cycle %d", c);
}
XCTAssertEqual(toggles, expectedToggles);
XCTAssertEqual(interrupts, expectedToggles);
XCTAssertEqual(toggles, expectedInterrupts);
XCTAssertEqual(interrupts, expectedInterrupts);
}
- (void)test1kHzTimer {
// Set 1kHz timer.
_interruptSource->write(7, 0 << 5);
[self performTestExpectedToggles:1000];
[self performTestExpectedInterrupts:1000];
}
- (void)test50HzTimer {
// Set 50Hz timer.
_interruptSource->write(7, 1 << 5);
[self performTestExpectedToggles:50];
[self performTestExpectedInterrupts:50];
}
- (void)testTone0Timer {
@ -84,7 +86,7 @@
_interruptSource->write(0, 137);
_interruptSource->write(1, 0);
[self performTestExpectedToggles:250000/(138 * 2)];
[self performTestExpectedInterrupts:250000/(138 * 2)];
}
- (void)testTone1Timer {
@ -94,7 +96,7 @@
_interruptSource->write(2, 961 & 0xff);
_interruptSource->write(3, (961 >> 8) & 0xff);
[self performTestExpectedToggles:250000/(961 * 2)];
[self performTestExpectedInterrupts:250000/(961 * 2)];
}
@end