[ios, macos] Wrap camera heading (#7724)

* [ios, macos] Fixed negative camera heading when facing northwest

* [ios] Corrected counterclockwise rotation test

1 files changed, 16 insertions, 1 deletions

diff --git a/platform/ios/uitest/MapViewTests.m b/platform/ios/uitest/MapViewTests.m
index 41ea5446ef..21310b47a6 100644
--- a/platform/ios/uitest/MapViewTests.m
+++ b/platform/ios/uitest/MapViewTests.m
@@ -260,7 +260,7 @@
                                @"disabling pan gesture should disallow horizontal panning");
 }
 
-- (void)testRotate {
+- (void)testRotateClockwise {
     CLLocationDirection startAngle = tester.mapView.direction;
 
     XCTAssertNotEqual(startAngle,
@@ -274,6 +274,21 @@
                                 @"rotating map should change angle");
 }
 
+- (void)testRotateCounterclockwise {
+    CLLocationDirection startAngle = tester.mapView.direction;
+    
+    XCTAssertNotEqual(startAngle,
+                      -45,
+                      @"start angle must not be destination angle");
+    
+    [tester.mapView twoFingerRotateAtPoint:tester.mapView.center angle:-45];
+    
+    XCTAssertGreaterThanOrEqual(fabs(startAngle - tester.mapView.direction),
+                                20,
+                                @"rotating map should change angle");
+    XCTAssertGreaterThan(tester.mapView.camera.heading, 0, @"camera should not go negative");
+}
+
 - (void)testRotateDisabled {
     tester.mapView.rotateEnabled = NO;
     CLLocationDirection startAngle = tester.mapView.direction;