| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -Wobjc-literal-conversion %s |
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| 2 | |
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| 3 | @class NSString; |
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| 4 | |
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| 5 | @interface NSNumber |
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| 6 | + (NSNumber *)numberWithChar:(char)value; |
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| 7 | + (NSNumber *)numberWithInt:(int)value; |
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| 8 | + (NSNumber *)numberWithLongLong:(long long)value; |
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| 9 | + (NSNumber *)numberWithFloat:(float)value; |
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| 10 | + (NSNumber *)numberWithDouble:(double)value; |
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| 11 | + (NSNumber *)numberWithBool:(bool)value; |
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| 12 | @end |
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| 13 | |
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| 14 | @interface NSArray |
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| 15 | + (id)arrayWithObjects:(const id [])objects count:(int)cnt; |
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| 16 | @end |
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| 17 | |
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| 18 | @interface NSDictionary |
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| 19 | + (id)dictionaryWithObjects:(const id [])objects forKeys:(const id [])keys count:(unsigned long)cnt; |
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| 20 | @end |
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| 21 | |
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| 22 | void char_test() { |
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| 23 | if (@'a') {} |
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| 24 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 25 | } |
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| 26 | |
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| 27 | void int_test() { |
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| 28 | if (@12) {} |
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| 29 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 30 | if (@-12) {} |
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| 31 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 32 | if (@12LL) {} |
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| 33 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 34 | if (@-12LL) {} |
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| 35 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 36 | } |
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| 37 | |
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| 38 | void float_test() { |
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| 39 | if (@12.55) {} |
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| 40 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 41 | if (@-12.55) {} |
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| 42 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 43 | if (@12.55F) {} |
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| 44 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 45 | if (@-12.55F) {} |
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| 46 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 47 | } |
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| 48 | |
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| 49 | void bool_test() { |
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| 50 | if (@true) {} |
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| 51 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 52 | if (@false) {} |
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| 53 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 54 | } |
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| 55 | |
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| 56 | void string_test() { |
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| 57 | if (@"asdf") {} |
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| 58 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 59 | } |
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| 60 | |
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| 61 | void array_test() { |
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| 62 | if (@[ @313, @331, @367, @379 ]) {} |
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| 63 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 64 | } |
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| 65 | |
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| 66 | void dictionary_test() { |
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| 67 | if (@{ @0: @0, @1: @1, @2: @1, @3: @3 }) {} |
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| 68 | // expected-warning@-1{{implicit boolean conversion of Objective-C object literal always evaluates to true}} |
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| 69 | } |
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| 70 | |
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| 71 | void objc_bool_test () { |
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| 72 | if (__objc_yes) {} |
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| 73 | if (__objc_no) {} |
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| 74 | } |
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| 75 | |
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