diff options
Diffstat (limited to 'platform/ios/test')
-rw-r--r-- | platform/ios/test/MGLMapViewPitchTests.m | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/platform/ios/test/MGLMapViewPitchTests.m b/platform/ios/test/MGLMapViewPitchTests.m new file mode 100644 index 0000000000..b7b18973a1 --- /dev/null +++ b/platform/ios/test/MGLMapViewPitchTests.m @@ -0,0 +1,155 @@ +#import <Mapbox/Mapbox.h> +#import <XCTest/XCTest.h> + +@interface MockUIPanGestureRecognizer : UIPanGestureRecognizer +@property CGFloat mbx_tiltGestureYTranslation; +@property NSUInteger mbx_numberOfFingersForGesture; +@end + +@implementation MockUIPanGestureRecognizer +- (instancetype)initWithTarget:(id)target action:(SEL)action { + if (self = [super initWithTarget:target action:action]) { + self.mbx_tiltGestureYTranslation = 0; + self.mbx_numberOfFingersForGesture = 2; + } + return self; +} +- (NSUInteger)numberOfTouches { return self.mbx_numberOfFingersForGesture; } +- (CGPoint)translationInView:(UIView *)view { return CGPointMake(0, self.mbx_tiltGestureYTranslation); } +- (void)setTiltGestureYTranslationForPitchDegrees:(CGFloat)degrees { + // The tilt gesture takes the number of screen points the fingers have moved and then divides them by a "slowdown" factor, which happens to be set to 2.0 in -[MGLMapView handleTwoFingerDragGesture:]. + self.mbx_tiltGestureYTranslation = -(degrees * 2.0); +} +@end + +// Forward declare relevant private methods +@interface MGLMapView (MGLMapViewPitchTests) +- (void)handleTwoFingerDragGesture:(UIPanGestureRecognizer *)rotate; +- (MGLMapCamera *)cameraByTiltingToPitch:(CGFloat)pitch; +@end + +@interface MGLMapViewPitchTests : XCTestCase +@property (nonatomic) MGLMapView *mapView; +@end + +@implementation MGLMapViewPitchTests + +- (void)setUp { + [super setUp]; + + [MGLAccountManager setAccessToken:@"pk.feedcafedeadbeefbadebede"]; + NSURL *styleURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"one-liner" withExtension:@"json"]; + self.mapView = [[MGLMapView alloc] initWithFrame:CGRectMake(0, 0, 400, 400) styleURL:styleURL]; +} + +- (void)tearDown { + self.mapView = nil; + [MGLAccountManager setAccessToken:nil]; + [super tearDown]; +} + +- (void)testPitchEnabled { + self.mapView.pitchEnabled = NO; + self.mapView.camera = [self.mapView cameraByTiltingToPitch:30]; + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, 30, 0.001, @"Tilt should not be set when pitchEnabled = NO."); + + self.mapView.pitchEnabled = YES; + self.mapView.camera = [self.mapView cameraByTiltingToPitch:30]; + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, 30, 0.001, @"Tilt should be set when pitchEnabled = YES."); +} + +- (void)testPitchInValidRange { + for (NSNumber *degrees in @[@0, @5, @20, @40, @60]) { + CGFloat inputDegrees = [degrees floatValue]; + self.mapView.camera = [self.mapView cameraByTiltingToPitch:inputDegrees]; + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, inputDegrees, 0.001, @"Tilt should be able to be set within range 0-60°."); + } +} + +- (void)testNegativePitchClamping { + for (NSNumber *degrees in @[@CGFLOAT_MIN, @-999, @-60, @-30, @-0]) { + CGFloat inputDegrees = [degrees floatValue]; + self.mapView.camera = [self.mapView cameraByTiltingToPitch:inputDegrees]; + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, 0, 0.001, @"Minimum tilt should be clamped to 0°."); + } +} + +- (void)testPositivePitchClamping { + for (NSNumber *degrees in @[@61, @90, @999, @CGFLOAT_MAX]) { + CGFloat inputDegrees = [degrees floatValue]; + self.mapView.camera = [self.mapView cameraByTiltingToPitch:inputDegrees]; + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, 60, 0.001, @"Maximum tilt should be clamped to 60°."); + } +} + +- (void)testPitchAtVariousZoomLevels { + for (NSNumber *zoomLevel in @[@0, @5, @10, @15, @18, @21, @CGFLOAT_MAX]) { + self.mapView.camera = [self.mapView cameraByTiltingToPitch:0]; + self.mapView.zoomLevel = 0; + + CGFloat inputZoomLevel = [zoomLevel floatValue]; + self.mapView.zoomLevel = inputZoomLevel; + self.mapView.camera = [self.mapView cameraByTiltingToPitch:30]; + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, 30, 0.001, @"Tilting should be allowed at z%.f.", inputZoomLevel); + } +} + +- (void)testTiltGesture { + MockUIPanGestureRecognizer *gesture = [[MockUIPanGestureRecognizer alloc] initWithTarget:self.mapView action:nil]; + gesture.state = UIGestureRecognizerStateBegan; + [self.mapView handleTwoFingerDragGesture:gesture]; + XCTAssertEqual(self.mapView.camera.pitch, 0, @"Pitch should initially be set to 0°."); + + // Use a tilt gesture to tilt the map within its acceptable range (0-60°). + for (NSNumber *degrees in @[@0, @5, @20, @40, @60]) { + self.mapView.camera = [self.mapView cameraByTiltingToPitch:0]; + gesture.state = UIGestureRecognizerStateChanged; + + CGFloat inputDegrees = [degrees floatValue]; + [gesture setTiltGestureYTranslationForPitchDegrees:inputDegrees]; + [self.mapView handleTwoFingerDragGesture:gesture]; + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, inputDegrees, 0.001, @"Pitch should be set to %.f°.", inputDegrees); + } +} + +- (void)testTiltGestureFromInitialTilt { + CGFloat initialTilt = 20; + CGFloat additionalTilt = 30; + + // Set the map camera to a pitched state, perhaps from a previous gesture or camera movement. + self.mapView.camera = [self.mapView cameraByTiltingToPitch:initialTilt]; + XCTAssertEqual(self.mapView.camera.pitch, initialTilt, @"Tilt should initially be set to %.f°.", initialTilt); + + // Initialize a tilt gesture. + MockUIPanGestureRecognizer *gesture = [[MockUIPanGestureRecognizer alloc] initWithTarget:self.mapView action:nil]; + gesture.state = UIGestureRecognizerStateBegan; + [self.mapView handleTwoFingerDragGesture:gesture]; + + // Use the gesture to tilt the map even more. + gesture.state = UIGestureRecognizerStateChanged; + [gesture setTiltGestureYTranslationForPitchDegrees:additionalTilt]; + [self.mapView handleTwoFingerDragGesture:gesture]; + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, initialTilt + additionalTilt, 0.001, @"Tilt should be set to %.f°.", initialTilt + additionalTilt); +} + +- (void)testTiltGestureNumberOfFingersRequired { + // Initialize a tilt gesture with two fingers. + MockUIPanGestureRecognizer *gesture = [[MockUIPanGestureRecognizer alloc] initWithTarget:self.mapView action:nil]; + gesture.state = UIGestureRecognizerStateBegan; + gesture.mbx_numberOfFingersForGesture = 2; + + // Use the gesture to tilt to 30°. + [gesture setTiltGestureYTranslationForPitchDegrees:30]; + [self.mapView handleTwoFingerDragGesture:gesture]; + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, 30, 0.001, @"Tilt gesture should work with two fingers down."); + + // Change the gesture's number of fingers to one and try to update the pitch. + gesture.mbx_numberOfFingersForGesture = 1; + gesture.state = UIGestureRecognizerStateChanged; + [gesture setTiltGestureYTranslationForPitchDegrees:0]; + [self.mapView handleTwoFingerDragGesture:gesture]; + XCTAssertEqual(gesture.state, UIGestureRecognizerStateEnded, @"Gesture should end when the number of fingers is less than two."); + XCTAssertEqualWithAccuracy(self.mapView.camera.pitch, 30, 0.001, @"Pitch should remain unchanged if gesture has ended."); +} + +@end |