38 lines
922 B
Objective-C
38 lines
922 B
Objective-C
// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-config suppress-null-return-paths=false -verify %s
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// RUN: %clang_cc1 -analyze -analyzer-checker=core -verify -DSUPPRESSED=1 %s
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// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-config avoid-suppressing-null-argument-paths=true -DSUPPRESSED=1 -DNULL_ARGS=1 -verify %s
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#ifdef SUPPRESSED
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// expected-no-diagnostics
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#endif
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@interface PointerWrapper
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- (int *)getPtr;
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- (id)getObject;
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@end
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id getNil() {
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return 0;
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}
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void testNilReceiverHelperA(int *x) {
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*x = 1;
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#ifndef SUPPRESSED
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// expected-warning@-2 {{Dereference of null pointer}}
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#endif
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}
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void testNilReceiverHelperB(int *x) {
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*x = 1;
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#ifndef SUPPRESSED
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// expected-warning@-2 {{Dereference of null pointer}}
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#endif
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}
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void testNilReceiver(int coin) {
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id x = getNil();
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if (coin)
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testNilReceiverHelperA([x getPtr]);
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else
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testNilReceiverHelperB([[x getObject] getPtr]);
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}
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