| 1 | // RUN: %clang_analyze_cc1 %s -o %t |
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| 2 | |
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| 3 | // Tests that some specific checkers are enabled by default. |
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| 4 | |
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| 5 | id foo(int x) { |
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| 6 | id title; |
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| 7 | switch (x) { |
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| 8 | case 1: |
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| 9 | title = @"foo"; // expected-warning {{never read}} |
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| 10 | case 2: |
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| 11 | title = @"bar"; |
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| 12 | break; |
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| 13 | default: |
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| 14 | title = @"baz"; |
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| 15 | break; |
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| 16 | } |
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| 17 | return title; |
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| 18 | } |
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| 19 | |
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| 20 | // <rdar://problem/8808566> Static analyzer is wrong: NSWidth(imgRect) not understood as unconditional assignment |
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| 21 | // |
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| 22 | // Note: this requires inlining support. This previously issued a false positive use of |
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| 23 | // uninitialized value when calling NSWidth. |
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| 24 | typedef double CGFloat; |
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| 25 | |
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| 26 | struct CGPoint { |
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| 27 | CGFloat x; |
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| 28 | CGFloat y; |
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| 29 | }; |
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| 30 | typedef struct CGPoint CGPoint; |
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| 31 | |
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| 32 | struct CGSize { |
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| 33 | CGFloat width; |
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| 34 | CGFloat height; |
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| 35 | }; |
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| 36 | typedef struct CGSize CGSize; |
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| 37 | |
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| 38 | struct CGRect { |
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| 39 | CGPoint origin; |
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| 40 | CGSize size; |
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| 41 | }; |
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| 42 | typedef struct CGRect CGRect; |
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| 43 | |
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| 44 | typedef CGRect NSRect; |
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| 45 | typedef CGSize NSSize; |
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| 46 | |
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| 47 | static __inline__ __attribute__((always_inline)) CGFloat NSWidth(NSRect aRect) { |
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| 48 | return (aRect.size.width); |
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| 49 | } |
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| 50 | |
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| 51 | static __inline__ __attribute__((always_inline)) CGFloat NSHeight(NSRect aRect) { |
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| 52 | return (aRect.size.height); |
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| 53 | } |
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| 54 | |
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| 55 | NSSize rdar880566_size(); |
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| 56 | |
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| 57 | double rdar8808566() { |
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| 58 | NSRect myRect; |
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| 59 | myRect.size = rdar880566_size(); |
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| 60 | double x = NSWidth(myRect) + NSHeight(myRect); // no-warning |
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| 61 | return x; |
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| 62 | } |
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| 63 | |
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| 64 | |
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