[ios, macos] Allow -convertCoordinateBounds to span antimeridian

1 files changed, 42 insertions, 0 deletions

diff --git a/platform/darwin/test/MGLMapViewTests.m b/platform/darwin/test/MGLMapViewTests.m
new file mode 100644
index 0000000000..6ac8e1fe81
--- /dev/null
+++ b/platform/darwin/test/MGLMapViewTests.m
@@ -0,0 +1,42 @@
+#import <Mapbox/Mapbox.h>
+#import <XCTest/XCTest.h>
+
+static MGLMapView *mapView;
+
+@interface MGLMapViewTests : XCTestCase
+
+@end
+
+@implementation MGLMapViewTests
+
++ (void)setUp {
+    [super setUp];
+    
+    [MGLAccountManager setAccessToken:@"pk.feedcafedeadbeefbadebede"];
+    mapView = [[MGLMapView alloc] initWithFrame:CGRectMake(0, 0, 64, 64) styleURL:MGLStyle.streetsStyleURL];
+    [mapView setCenterCoordinate:CLLocationCoordinate2DMake(33, 179)];
+}
+
+- (void)testCoordinateBoundsConversion {
+    MGLCoordinateBounds leftAntimeridianBounds = MGLCoordinateBoundsMake(CLLocationCoordinate2DMake(-75, 175), CLLocationCoordinate2DMake(75, 180));
+    CGRect leftAntimeridianBoundsRect = [mapView convertCoordinateBounds:leftAntimeridianBounds toRectToView:mapView];
+    
+    MGLCoordinateBounds rightAntimeridianBounds = MGLCoordinateBoundsMake(CLLocationCoordinate2DMake(-75, -180), CLLocationCoordinate2DMake(75, -175));
+    CGRect rightAntimeridianBoundsRect = [mapView convertCoordinateBounds:rightAntimeridianBounds toRectToView:mapView];
+    
+    MGLCoordinateBounds spanningBounds = MGLCoordinateBoundsMake(CLLocationCoordinate2DMake(24, 140), CLLocationCoordinate2DMake(44, 240));
+    CGRect spanningBoundsRect = [mapView convertCoordinateBounds:spanningBounds toRectToView:mapView];
+    
+    // If the resulting CGRect from -convertCoordinateBounds:toRectToView:
+    // intersects the set of bounds to the left and right of the
+    // antimeridian, then we know that the CGRect spans across the antimeridian
+    XCTAssertTrue(CGRectIntersectsRect(spanningBoundsRect, leftAntimeridianBoundsRect), @"Resulting ");
+    XCTAssertTrue(CGRectIntersectsRect(spanningBoundsRect, rightAntimeridianBoundsRect), @"Something");
+}
+
++ (void)tearDown {
+    mapView = nil;
+    [super tearDown];
+}
+
+@end