[ios] Add mapView content inset tests.

2 files changed, 130 insertions, 0 deletions

diff --git a/platform/ios/ios.xcodeproj/project.pbxproj b/platform/ios/ios.xcodeproj/project.pbxproj
index 20001c26a8..447fb5976f 100644
--- a/platform/ios/ios.xcodeproj/project.pbxproj
+++ b/platform/ios/ios.xcodeproj/project.pbxproj
@@ -33,6 +33,7 @@
 		170C437D2029D97900863DF0 /* MGLHeatmapStyleLayerTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 170C43792028D49800863DF0 /* MGLHeatmapStyleLayerTests.mm */; };
 		1753ED421E53CE6F00A9FD90 /* MGLConversion.h in Headers */ = {isa = PBXBuildFile; fileRef = 1753ED411E53CE6F00A9FD90 /* MGLConversion.h */; };
 		1753ED431E53CE6F00A9FD90 /* MGLConversion.h in Headers */ = {isa = PBXBuildFile; fileRef = 1753ED411E53CE6F00A9FD90 /* MGLConversion.h */; };
+		1F0196AA23174B0700F5C819 /* MGLMapViewContentInsetTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 1F0196A923174B0700F5C819 /* MGLMapViewContentInsetTests.m */; };
 		1F06668A1EC64F8E001C16D7 /* MGLLight.h in Headers */ = {isa = PBXBuildFile; fileRef = 1F0666881EC64F8E001C16D7 /* MGLLight.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		1F06668D1EC64F8E001C16D7 /* MGLLight.mm in Sources */ = {isa = PBXBuildFile; fileRef = 1F0666891EC64F8E001C16D7 /* MGLLight.mm */; };
 		1F26B6C120E189C9007BCC21 /* MBXCustomLocationViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 1F26B6C020E189C9007BCC21 /* MBXCustomLocationViewController.m */; };
@@ -897,6 +898,7 @@
 		170C43782028D49800863DF0 /* MGLHeatmapColorTests.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = MGLHeatmapColorTests.mm; path = ../../darwin/test/MGLHeatmapColorTests.mm; sourceTree = "<group>"; };
 		170C43792028D49800863DF0 /* MGLHeatmapStyleLayerTests.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = MGLHeatmapStyleLayerTests.mm; path = ../../darwin/test/MGLHeatmapStyleLayerTests.mm; sourceTree = "<group>"; };
 		1753ED411E53CE6F00A9FD90 /* MGLConversion.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MGLConversion.h; sourceTree = "<group>"; };
+		1F0196A923174B0700F5C819 /* MGLMapViewContentInsetTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MGLMapViewContentInsetTests.m; sourceTree = "<group>"; };
 		1F0666881EC64F8E001C16D7 /* MGLLight.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MGLLight.h; sourceTree = "<group>"; };
 		1F0666891EC64F8E001C16D7 /* MGLLight.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = MGLLight.mm; sourceTree = "<group>"; };
 		1F26B6BF20E189C9007BCC21 /* MBXCustomLocationViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MBXCustomLocationViewController.h; sourceTree = "<group>"; };
@@ -2081,6 +2083,7 @@
 				DA5DB1291FABF1EE001C2326 /* MGLMapAccessibilityElementTests.m */,
 				DA695425215B1E75002041A4 /* MGLMapCameraTests.m */,
 				96E6145522CC135200109F14 /* MGLMapViewCompassViewTests.mm */,
+				1F0196A923174B0700F5C819 /* MGLMapViewContentInsetTests.m */,
 				96ED34DD22374C0900E9FCA9 /* MGLMapViewDirectionTests.mm */,
 				16376B481FFEED010000563E /* MGLMapViewLayoutTests.m */,
 				96381C0122C6F3950053497D /* MGLMapViewPitchTests.m */,
@@ -3316,6 +3319,7 @@
 				920A3E5D1E6F995200C16EFC /* MGLSourceQueryTests.m in Sources */,
 				DA5DB12A1FABF1EE001C2326 /* MGLMapAccessibilityElementTests.m in Sources */,
 				96ED34DE22374C0900E9FCA9 /* MGLMapViewDirectionTests.mm in Sources */,
+				1F0196AA23174B0700F5C819 /* MGLMapViewContentInsetTests.m in Sources */,
 				FAE1CDCB1E9D79CB00C40B5B /* MGLFillExtrusionStyleLayerTests.mm in Sources */,
 				DA35A2AA1CCA058D00E826B2 /* MGLCoordinateFormatterTests.m in Sources */,
 				357579831D502AE6000B822E /* MGLRasterStyleLayerTests.mm in Sources */,
diff --git a/platform/ios/test/MGLMapViewContentInsetTests.m b/platform/ios/test/MGLMapViewContentInsetTests.m
new file mode 100644
index 0000000000..aa6f57cc0a
--- /dev/null
+++ b/platform/ios/test/MGLMapViewContentInsetTests.m
@@ -0,0 +1,126 @@
+#import <Mapbox/Mapbox.h>
+#import <XCTest/XCTest.h>
+
+@interface MGLMapViewContentInsetTests : XCTestCase <MGLMapViewDelegate>
+
+@property (nonatomic) MGLMapView *mapView;
+@property (nonatomic) UIWindow *window;
+@property (nonatomic) XCTestExpectation *styleLoadingExpectation;
+@property (assign) CGRect screenBounds;
+
+@end
+
+@implementation MGLMapViewContentInsetTests
+
+- (void)setUp {
+    [super setUp];
+    
+    [MGLAccountManager setAccessToken:@"pk.feedcafedeadbeefbadebede"];
+    NSURL *styleURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"one-liner" withExtension:@"json"];
+    self.screenBounds = UIScreen.mainScreen.bounds;
+    self.mapView = [[MGLMapView alloc] initWithFrame:self.screenBounds styleURL:styleURL];
+    self.mapView.zoomLevel = 16;
+    self.mapView.delegate = self;
+    
+    
+    UIView *view = [[UIView alloc] initWithFrame:self.screenBounds];
+    [view addSubview:self.mapView];
+    self.window = [[UIWindow alloc] initWithFrame:self.screenBounds];
+    [self.window addSubview:view];
+    [self.window makeKeyAndVisible];
+    
+    if (!self.mapView.style) {
+        _styleLoadingExpectation = [self expectationWithDescription:@"Map view should finish loading style."];
+        [self waitForExpectationsWithTimeout:10 handler:nil];
+    }
+}
+
+- (void)mapView:(MGLMapView *)mapView didFinishLoadingStyle:(MGLStyle *)style {
+    XCTAssertNotNil(mapView.style);
+    XCTAssertEqual(mapView.style, style);
+    
+    [_styleLoadingExpectation fulfill];
+}
+
+- (void)tearDown {
+    self.mapView = nil;
+    [MGLAccountManager setAccessToken:nil];
+    [super tearDown];
+}
+
+- (void)testContentInsetCenter {
+    CLLocationCoordinate2D center = CLLocationCoordinate2DMake(1.0, 5.0);
+    self.mapView.centerCoordinate = center;
+    XCTAssertEqualWithAccuracy(self.mapView.centerCoordinate.latitude, center.latitude, 0.01);
+    XCTAssertEqualWithAccuracy(self.mapView.centerCoordinate.longitude, center.longitude, 0.01);
+    
+    CGPoint centerPoint = [self.mapView convertCoordinate:center toPointToView:self.mapView];
+
+    XCTAssertEqualWithAccuracy(centerPoint.x, self.screenBounds.size.width/2, 0.01);
+    XCTAssertEqualWithAccuracy(centerPoint.y, self.screenBounds.size.height/2, 0.01);
+    
+    // shifting contentInset should keep the same centerCoordinate but shift the screen
+    // center point accordingly
+    UIEdgeInsets contentInset = UIEdgeInsetsMake(50.0, 10.0, 10.0, 30.0);
+    self.mapView.contentInset = contentInset;
+    XCTAssertTrue(UIEdgeInsetsEqualToEdgeInsets(self.mapView.contentInset, contentInset));
+    XCTAssertEqualWithAccuracy(self.mapView.centerCoordinate.latitude, center.latitude, 0.01);
+    XCTAssertEqualWithAccuracy(self.mapView.centerCoordinate.longitude, center.longitude, 0.01);
+    CGPoint shiftedPoint = [self.mapView convertCoordinate:center toPointToView:self.mapView];
+    CGPoint expectedShiftedPoint = CGPointMake((self.screenBounds.size.width/2) + ((contentInset.left - contentInset.right) / 2 ),
+                                               (self.screenBounds.size.height/2) + ((contentInset.top - contentInset.bottom) / 2));
+    XCTAssertEqualWithAccuracy(shiftedPoint.x, expectedShiftedPoint.x, 0.01);
+    XCTAssertEqualWithAccuracy(shiftedPoint.y, expectedShiftedPoint.y, 0.01);
+    
+  
+}
+
+- (void)testContentInsetOrnaments {
+    CGFloat margin = 8;
+    self.mapView.contentInset = UIEdgeInsetsZero;
+    UIView *scaleBar = self.mapView.scaleBar;
+    CGPoint expectedScaleBarOrigin = CGPointMake(margin, margin);
+    XCTAssertTrue(CGPointEqualToPoint(scaleBar.frame.origin, expectedScaleBarOrigin));
+    
+    UIView *compassView = self.mapView.compassView;
+    CGFloat x = self.screenBounds.size.width - compassView.bounds.size.width - margin;
+    CGPoint expectedCompassOrigin = CGPointMake(x, margin);
+    XCTAssertTrue(CGPointEqualToPoint(compassView.frame.origin, expectedCompassOrigin));
+                  
+    UIView *logoView = self.mapView.logoView;
+    CGFloat y = self.screenBounds.size.height - logoView.bounds.size.height - margin;
+    CGPoint expectedLogoOrigin = CGPointMake(margin, y);
+    XCTAssertTrue(CGPointEqualToPoint(logoView.frame.origin, expectedLogoOrigin));
+    
+    UIView *attributionView = self.mapView.attributionButton;
+    x = self.screenBounds.size.width - attributionView.bounds.size.width - margin;
+    y = self.screenBounds.size.height - attributionView.bounds.size.height - margin;
+    CGPoint expectedAttributionOrigin = CGPointMake(x, y);
+    XCTAssertTrue(CGPointEqualToPoint(attributionView.frame.origin, expectedAttributionOrigin));
+    
+    UIEdgeInsets insets = UIEdgeInsetsMake(15, 10, 20, 5);
+    self.mapView.automaticallyAdjustContentInset = YES;
+    self.mapView.contentInset = insets;
+    
+    [self.mapView setNeedsLayout];
+    [self.mapView layoutIfNeeded];
+    
+    expectedScaleBarOrigin = CGPointMake(insets.left + self.mapView.scaleBarMargins.x, insets.top  + self.mapView.scaleBarMargins.y);
+    XCTAssertTrue(CGPointEqualToPoint(scaleBar.frame.origin, expectedScaleBarOrigin));
+    
+    x = self.screenBounds.size.width - compassView.bounds.size.width - insets.right - self.mapView.compassViewMargins.x;
+    expectedCompassOrigin = CGPointMake(x, insets.top + self.mapView.compassViewMargins.y);
+    XCTAssertTrue(CGPointEqualToPoint(compassView.frame.origin, expectedCompassOrigin));
+    
+    y = self.screenBounds.size.height - logoView.bounds.size.height - insets.bottom - self.mapView.logoViewMargins.y;
+    expectedLogoOrigin = CGPointMake(insets.left + self.mapView.logoViewMargins.x, y);
+    XCTAssertTrue(CGPointEqualToPoint(logoView.frame.origin, expectedLogoOrigin));
+    
+    x = self.screenBounds.size.width - attributionView.bounds.size.width - insets.right - self.mapView.attributionButtonMargins.x;
+    y = self.screenBounds.size.height - attributionView.bounds.size.height - insets.bottom - self.mapView.attributionButtonMargins.y;
+    expectedAttributionOrigin = CGPointMake(x, y);
+    XCTAssertTrue(CGPointEqualToPoint(attributionView.frame.origin, expectedAttributionOrigin));
+    
+}
+
+@end