| // RUN: clang -grsimple -verify %s |
| |
| #include <Foundation/NSString.h> |
| #include <Foundation/NSObjCRuntime.h> |
| #include <Foundation/NSArray.h> |
| |
| NSComparisonResult f1(NSString* s) { |
| NSString *aString = nil; |
| return [s compare:aString]; // expected-warning {{Argument to 'NSString' method 'compare:' cannot be nil.}} |
| } |
| |
| NSComparisonResult f2(NSString* s) { |
| NSString *aString = nil; |
| return [s caseInsensitiveCompare:aString]; // expected-warning {{Argument to 'NSString' method 'caseInsensitiveCompare:' cannot be nil.}} |
| } |
| |
| NSComparisonResult f3(NSString* s, NSStringCompareOptions op) { |
| NSString *aString = nil; |
| return [s compare:aString options:op]; // expected-warning {{Argument to 'NSString' method 'compare:options:' cannot be nil.}} |
| } |
| |
| NSComparisonResult f4(NSString* s, NSStringCompareOptions op, NSRange R) { |
| NSString *aString = nil; |
| return [s compare:aString options:op range:R]; // expected-warning {{Argument to 'NSString' method 'compare:options:range:' cannot be nil.}} |
| } |
| |
| NSComparisonResult f5(NSString* s, NSStringCompareOptions op, NSRange R) { |
| NSString *aString = nil; |
| return [s compare:aString options:op range:R locale:nil]; // expected-warning {{Argument to 'NSString' method 'compare:options:range:locale:' cannot be nil.}} |
| } |
| |
| NSComparisonResult f6(NSString* s) { |
| return [s componentsSeparatedByCharactersInSet:nil]; // expected-warning {{Argument to 'NSString' method 'componentsSeparatedByCharactersInSet:' cannot be nil.}} |
| } |