25 lines
1.3 KiB
Objective-C
25 lines
1.3 KiB
Objective-C
// RUN: %clang_cc1 %s -verify
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typedef signed char BOOL;
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#define YES __objc_yes
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#define NO __objc_no
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BOOL B;
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void test() {
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int r;
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r = B > 0;
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r = B > 1; // expected-warning {{result of comparison of constant 1 with expression of type 'BOOL' is always false, as the only well defined values for 'BOOL' are YES and NO}}
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r = B < 1;
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r = B < 0; // expected-warning {{result of comparison of constant 0 with expression of type 'BOOL' is always false, as the only well defined values for 'BOOL' are YES and NO}}
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r = B >= 0; // expected-warning {{result of comparison of constant 0 with expression of type 'BOOL' is always true, as the only well defined values for 'BOOL' are YES and NO}}
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r = B <= 0;
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r = B > YES; // expected-warning {{result of comparison of constant YES with expression of type 'BOOL' is always false, as the only well defined values for 'BOOL' are YES and NO}}
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r = B > NO;
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r = B < NO; // expected-warning {{result of comparison of constant NO with expression of type 'BOOL' is always false, as the only well defined values for 'BOOL' are YES and NO}}
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r = B < YES;
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r = B >= NO; // expected-warning {{result of comparison of constant NO with expression of type 'BOOL' is always true, as the only well defined values for 'BOOL' are YES and NO}}
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r = B <= NO;
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}
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