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#import <Mapbox/Mapbox.h>
#import <XCTest/XCTest.h>
#import <mbgl/math/wrap.hpp>
static MGLMapView *mapView;
@interface MGLMapView (MGLMapViewDirectionTests)
- (void)handleRotateGesture:(UIRotationGestureRecognizer *)rotate;
- (void)resetNorthAnimated:(BOOL)animated;
@end
@interface UIRotationGestureRecognizer (MGLMapViewDirectionTests)
@property (nonatomic, readwrite) UIGestureRecognizerState state;
@end
@interface MGLMapViewDirectionTests : XCTestCase
@end
@implementation MGLMapViewDirectionTests
- (void)setUp {
[super setUp];
[MGLAccountManager setAccessToken:@"pk.feedcafedeadbeefbadebede"];
NSURL *styleURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"one-liner" withExtension:@"json"];
mapView = [[MGLMapView alloc] initWithFrame:CGRectMake(0, 0, 64, 64) styleURL:styleURL];
}
- (void)tearDown {
mapView = nil;
[MGLAccountManager setAccessToken:nil];
[super tearDown];
}
- (void)testDirectionAndRotation {
mapView.zoomLevel = 0;
mapView.direction = 30;
XCTAssertEqual(mapView.direction, 0, @"Rotation is not allowed at world-scale zoom levels.");
mapView.zoomLevel = 15;
mapView.direction = 5;
XCTAssertEqual(mapView.direction, 5);
mapView.direction = -180;
XCTAssertEqual(mapView.direction, 180, @"Negative (invalid) direction should be wrapped.");
mapView.direction = 366;
XCTAssertEqualWithAccuracy(mapView.direction, 6, 0.001, @">360° direction should be wrapped.");
[mapView resetNorthAnimated:NO];
XCTAssertEqual(mapView.direction, 0, @"Reset-to-north should set direction to 0°.");
UIRotationGestureRecognizer *rotate = [[UIRotationGestureRecognizer alloc] initWithTarget:nil action:nil];
rotate.state = UIGestureRecognizerStateBegan;
rotate.rotation = 0;
[mapView handleRotateGesture:rotate];
XCTAssertEqual(mapView.direction, rotate.rotation);
rotate.state = UIGestureRecognizerStateChanged;
rotate.rotation = 0.4;
[mapView handleRotateGesture:rotate];
XCTAssertEqual(mapView.direction, mbgl::util::wrap(-MGLDegreesFromRadians(rotate.rotation), 0., 360.), @"Map direction should match gesture rotation.");
}
- (void)testCompassRotation {
mapView.zoomLevel = 15;
for (NSNumber *degrees in @[@-1, @0, @45, @90, @180, @240, @360, @999]) {
mapView.direction = [degrees doubleValue];
CGFloat wrappedDirection = mbgl::util::wrap(-mapView.direction, 0., 360.);
CGAffineTransform rotation = CGAffineTransformMakeRotation(MGLRadiansFromDegrees(wrappedDirection));
XCTAssertTrue(CGAffineTransformEqualToTransform(mapView.compassView.transform, rotation),
@"Compass transform %@ should equal wrapped transform %@.", NSStringFromCGAffineTransform(mapView.compassView.transform), NSStringFromCGAffineTransform(rotation));
}
}
- (void)testResetPosition {
[mapView resetPosition];
MGLMapCamera *defaultCamera = [MGLMapCamera cameraLookingAtCenterCoordinate:CLLocationCoordinate2DMake(0, 0) altitude:mapView.camera.altitude pitch:0 heading:0];
XCTAssertTrue([mapView.camera isEqualToMapCamera:defaultCamera], @"Map camera %@ should be equal to default camera %@.", mapView.camera, defaultCamera);
}
@end
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