| Richard Trieu | 1e632af | 2014-01-28 23:40:26 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify -Wobjc-literal-conversion %s |
| 2 | |
| 3 | @class NSString; |
| 4 | |
| 5 | @interface NSNumber |
| 6 | + (NSNumber *)numberWithChar:(char)value; |
| 7 | + (NSNumber *)numberWithInt:(int)value; |
| 8 | + (NSNumber *)numberWithLongLong:(long long)value; |
| 9 | + (NSNumber *)numberWithFloat:(float)value; |
| 10 | + (NSNumber *)numberWithDouble:(double)value; |
| 11 | + (NSNumber *)numberWithBool:(bool)value; |
| 12 | @end |
| 13 | |
| 14 | @interface NSArray |
| 15 | + (id)arrayWithObjects:(const id [])objects count:(int)cnt; |
| 16 | @end |
| 17 | |
| 18 | @interface NSDictionary |
| 19 | + (id)dictionaryWithObjects:(const id [])objects forKeys:(const id [])keys count:(unsigned long)cnt; |
| 20 | @end |
| 21 | |
| 22 | void char_test() { |
| 23 | if (@'a') {} |
| 24 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 25 | } |
| 26 | |
| 27 | void int_test() { |
| 28 | if (@12) {} |
| 29 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 30 | if (@-12) {} |
| 31 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 32 | if (@12LL) {} |
| 33 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 34 | if (@-12LL) {} |
| 35 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 36 | } |
| 37 | |
| 38 | void float_test() { |
| 39 | if (@12.55) {} |
| 40 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 41 | if (@-12.55) {} |
| 42 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 43 | if (@12.55F) {} |
| 44 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 45 | if (@-12.55F) {} |
| 46 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 47 | } |
| 48 | |
| 49 | void bool_test() { |
| 50 | if (@true) {} |
| 51 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 52 | if (@false) {} |
| 53 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 54 | } |
| 55 | |
| 56 | void string_test() { |
| 57 | if (@"asdf") {} |
| 58 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 59 | } |
| 60 | |
| 61 | void array_test() { |
| 62 | if (@[ @313, @331, @367, @379 ]) {} |
| 63 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 64 | } |
| 65 | |
| 66 | void dictionary_test() { |
| 67 | if (@{ @0: @0, @1: @1, @2: @1, @3: @3 }) {} |
| 68 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
| 69 | } |
| 70 | |
| 71 | void objc_bool_test () { |
| 72 | if (__objc_yes) {} |
| 73 | if (__objc_no) {} |
| 74 | } |