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CLK/OSBindings/Mac/Clock SignalTests/MacintoshVideoTests.mm

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//
// MacintoshVideoTests.m
// Clock SignalTests
//
// Created by Thomas Harte on 09/07/2019.
// Copyright © 2019 Thomas Harte. All rights reserved.
//
#import <XCTest/XCTest.h>
#include <memory>
#include "../../../Machines/Apple/Macintosh/Video.hpp"
@interface MacintoshVideoTests : XCTestCase
@end
@implementation MacintoshVideoTests {
Apple::Macintosh::DeferredAudio _dummy_audio;
Apple::Macintosh::DriveSpeedAccumulator _dummy_drive_speed_accumulator;
std::unique_ptr<Apple::Macintosh::Video> _video;
uint16_t _ram[64*1024];
}
- (void)setUp {
// Put setup code here. This method is called before the invocation of each test method in the class.
_video.reset(new Apple::Macintosh::Video(_dummy_audio, _dummy_drive_speed_accumulator));
_video->set_ram(_ram, sizeof(_ram) - 1);
}
- (void)testPrediction {
int c = 5;
bool vsync = _video->vsync();
while(c--) {
auto remaining_time_in_state = _video->get_next_sequence_point().as_integral();
NSLog(@"Vsync %@ expected for %@ half-cycles", vsync ? @"on" : @"off", @(remaining_time_in_state));
while(remaining_time_in_state--) {
XCTAssertEqual(vsync, _video->vsync());
_video->run_for(HalfCycles(1));
if(remaining_time_in_state)
XCTAssertEqual(remaining_time_in_state, _video->get_next_sequence_point().as_integral());
}
vsync ^= true;
}
}
@end