1 files changed, 77 insertions, 0 deletions
diff --git a/platform/darwin/test/MGLTestAssertionHandler.m b/platform/darwin/test/MGLTestAssertionHandler.m
new file mode 100644
index 0000000000..4b504427b5
--- /dev/null
+++ b/platform/darwin/test/MGLTestAssertionHandler.m
@@ -0,0 +1,77 @@
+#import "MGLTestAssertionHandler.h"
+
+@implementation MGLTestAssertionHandler
+
+- (instancetype)initWithTestCase:(XCTestCase *)testCase {
+    if ((self = [super init])) {
+        _testCase = testCase;
+    }
+    return self;
+}
+
+- (void)handleFailureInMethod:(SEL)selector
+                       object:(id)object
+                         file:(NSString *)fileName
+                   lineNumber:(NSInteger)line
+                  description:(NSString *)format, ...
+{
+    va_list args;
+    va_start(args, format);
+    NSString *description = [[NSString alloc] initWithFormat:format arguments:args];
+    va_end(args);
+    
+    NSString *condition = [NSString stringWithFormat:
+                           @"`[%@ %@]`",
+                           object, NSStringFromSelector(selector)
+                           ];
+
+    if (self.testCase && self.shouldFail) {
+        _XCTPreformattedFailureHandler(self.testCase,
+                                       YES,
+                                       fileName,
+                                       line,
+                                       condition,
+                                       description
+                                       );
+    }
+    else {
+        NSLog(@"Assertion Failure: %@:%lu: %@ - %@",
+              fileName,
+              line,
+              condition,
+              description);
+    }
+}
+ 
+- (void)handleFailureInFunction:(NSString *)functionName
+                           file:(NSString *)fileName
+                     lineNumber:(NSInteger)line
+                    description:(NSString *)format, ...
+{
+    va_list args;
+    va_start(args, format);
+    NSString *description = [[NSString alloc] initWithFormat:format arguments:args];
+    va_end(args);
+
+    NSString *condition = [NSString stringWithFormat:
+                           @"`%@`",
+                           functionName];
+
+    if (self.testCase && self.shouldFail) {
+        _XCTPreformattedFailureHandler(self.testCase,
+                                       YES,
+                                       fileName,
+                                       line,
+                                       condition,
+                                       description);
+    }
+    else {
+        NSLog(@"Assertion Failure: %@:%lu: %@ - %@",
+              fileName,
+              line,
+              condition,
+              description);
+    }
+}
+@end
+