1 files changed, 96 insertions, 0 deletions
diff --git a/platform/darwin/test/MGLRendererConfigurationTests.mm b/platform/darwin/test/MGLRendererConfigurationTests.mm
new file mode 100644
index 0000000000..a0c630ebb5
--- /dev/null
+++ b/platform/darwin/test/MGLRendererConfigurationTests.mm
@@ -0,0 +1,96 @@
+#import <Mapbox/Mapbox.h>
+#import <XCTest/XCTest.h>
+#import "MGLRendererConfiguration.h"
+
+static NSString * const MGLRendererConfigurationTests_collisionBehaviorKey = @"MGLCollisionBehaviorPre4_0";
+
+@interface MGLRendererConfiguration (Tests)
+- (instancetype)initWithPropertyDictionary:(nonnull NSDictionary*)bundle;
+@end
+
+
+@interface MGLRendererConfigurationTests : XCTestCase
+@end
+
+@implementation MGLRendererConfigurationTests
+- (void)setUp {
+    [[NSUserDefaults standardUserDefaults] removeObjectForKey:MGLRendererConfigurationTests_collisionBehaviorKey];
+}
+
+- (void)tearDown {
+    [[NSUserDefaults standardUserDefaults] removeObjectForKey:MGLRendererConfigurationTests_collisionBehaviorKey];
+}
+
+// Emulate what would happen with an Info.plist.
+- (void)testSettingMGLCollisionBehaviorPre40WithEmptyDictionary
+{
+    MGLRendererConfiguration *config = [[MGLRendererConfiguration alloc] initWithPropertyDictionary:@{}];
+    XCTAssertFalse(config.perSourceCollisions);
+}
+
+- (void)testSettingMGLCollisionBehaviorPre40WithYESDictionary
+{
+    MGLRendererConfiguration *config = [[MGLRendererConfiguration alloc] initWithPropertyDictionary:@{MGLRendererConfigurationTests_collisionBehaviorKey:@(NO)}];
+    XCTAssertFalse(config.perSourceCollisions);
+}
+
+- (void)testSettingMGLCollisionBehaviorPre40WithNODictionary
+{
+    MGLRendererConfiguration *config = [[MGLRendererConfiguration alloc] initWithPropertyDictionary:@{MGLRendererConfigurationTests_collisionBehaviorKey:@(YES)}];
+    XCTAssert(config.perSourceCollisions);
+}
+
+- (void)testSettingMGLCollisionBehaviorPre40InNSUserDefaults {
+    {
+        XCTAssertNil([[NSUserDefaults standardUserDefaults] objectForKey:MGLRendererConfigurationTests_collisionBehaviorKey]);
+        MGLRendererConfiguration *config = [MGLRendererConfiguration currentConfiguration];
+        XCTAssertFalse(config.perSourceCollisions);
+    }
+    
+    [[NSUserDefaults standardUserDefaults] setObject:@(NO) forKey:MGLRendererConfigurationTests_collisionBehaviorKey];
+    {
+        XCTAssertNotNil([[NSUserDefaults standardUserDefaults] objectForKey:MGLRendererConfigurationTests_collisionBehaviorKey]);
+        MGLRendererConfiguration *config = [MGLRendererConfiguration currentConfiguration];
+        XCTAssertFalse(config.perSourceCollisions);
+    }
+    
+    [[NSUserDefaults standardUserDefaults] setObject:@(YES) forKey:MGLRendererConfigurationTests_collisionBehaviorKey];
+    {
+        XCTAssertNotNil([[NSUserDefaults standardUserDefaults] objectForKey:MGLRendererConfigurationTests_collisionBehaviorKey]);
+        MGLRendererConfiguration *config = [MGLRendererConfiguration currentConfiguration];
+        XCTAssert(config.perSourceCollisions);
+    }
+}
+
+- (void)testSettingMGLCollisionBehaviorPre40PListValueUsingString {
+    // Dictionary = "NO"
+    {
+        MGLRendererConfiguration *config = [[MGLRendererConfiguration alloc] initWithPropertyDictionary:@{MGLRendererConfigurationTests_collisionBehaviorKey:@"NO"}];
+        XCTAssertFalse(config.perSourceCollisions);
+    }
+    
+    // Dictionary = "YES"
+    {
+        MGLRendererConfiguration *config = [[MGLRendererConfiguration alloc] initWithPropertyDictionary:@{MGLRendererConfigurationTests_collisionBehaviorKey:@"YES"}];
+        XCTAssert(config.perSourceCollisions);
+    }
+}
+
+- (void)testOverridingMGLCollisionBehaviorPre40 {
+
+    // Dictionary = NO, NSUserDefaults = YES
+    {
+        [[NSUserDefaults standardUserDefaults] setObject:@(YES) forKey:MGLRendererConfigurationTests_collisionBehaviorKey];
+        MGLRendererConfiguration *config = [[MGLRendererConfiguration alloc] initWithPropertyDictionary:@{MGLRendererConfigurationTests_collisionBehaviorKey:@(NO)}];
+        XCTAssert(config.perSourceCollisions);
+    }
+
+    // Dictionary = YES, NSUserDefaults = NO
+    {
+        [[NSUserDefaults standardUserDefaults] setObject:@(NO) forKey:MGLRendererConfigurationTests_collisionBehaviorKey];
+        MGLRendererConfiguration *config = [[MGLRendererConfiguration alloc] initWithPropertyDictionary:@{MGLRendererConfigurationTests_collisionBehaviorKey:@(YES)}];
+        XCTAssertFalse(config.perSourceCollisions);
+    }
+}
+
+@end