--- /dev/null
+// RUN: %check_clang_tidy %s misc-suspicious-semicolon %t
+
+// This test checks if Objective-C 2.0 (@properties) and
+// Automatic Reference Counting (ARC) are enabled for .m files
+// checked via check_clang_tidy.py.
+
+#if !__has_feature(objc_arc)
+#error Objective-C ARC not enabled as expected
+#endif
+
+@interface Foo
+@property (nonatomic, assign) int shouldDoStuff;
+- (void)nop;
+@end
+
+void fail(Foo *f)
+{
+ if(f.shouldDoStuff); [f nop];
+ // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: potentially unintended semicolon [misc-suspicious-semicolon]
+ // CHECK-FIXES: if(f.shouldDoStuff) [f nop];
+}
--- /dev/null
+// RUN: %check_clang_tidy %s misc-suspicious-semicolon %t -- -- -fno-objc-arc -fobjc-abi-version=1
+
+// This test ensures check_clang_tidy.py allows disabling Objective-C ARC and
+// Objective-C 2.0 via passing arguments after -- on the command line.
+//
+// (We could include a test which doesn't pass any arguments after --
+// to check if ARC and ObjC 2.0 are disabled by default, but that test
+// could change behavior based on the default Objective-C runtime for
+// the platform, which would make this test flaky.)
+
+#if __has_feature(objc_arc)
+#error Objective-C ARC unexpectedly enabled even with -fno-objc-arc
+#endif
+
+#ifdef __OBJC2__
+#error Objective-C 2.0 unexpectedly enabled even with -fobjc-abi-version=1
+#endif
+
+@interface Foo
+- (int)shouldDoStuff;
+- (void)nop;
+@end
+
+void fail(Foo *f)
+{
+ if([f shouldDoStuff]); [f nop];
+ // CHECK-MESSAGES: :[[@LINE-1]]:24: warning: potentially unintended semicolon [misc-suspicious-semicolon]
+ // CHECK-FIXES: if([f shouldDoStuff]) [f nop];
+}