37 lines
1.5 KiB
Mathematica
37 lines
1.5 KiB
Mathematica
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// RUN: %clang_cc1 -verify -fsyntax-only -fblocks -Wnullable-to-nonnull-conversion %s
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// RUN: %clang_cc1 -xobjective-c++ -verify -fsyntax-only -fblocks -Wnullable-to-nonnull-conversion %s
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@class X;
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@class NSError;
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_Static_assert(__has_feature(nullability_nullable_result), "");
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@interface SomeClass
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-(void)async_get:(void (^)(X *_Nullable_result rptr, NSError *err))completionHandler;
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@end
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void call(SomeClass *sc) {
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[sc async_get:^(X *_Nullable_result rptr, NSError *err) {}];
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[sc async_get:^(X *_Nullable rptr, NSError *err) {}];
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}
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void test_conversion() {
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X *_Nullable_result nr;
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X *_Nonnull l = nr; // expected-warning{{implicit conversion from nullable pointer 'X * _Nullable_result' to non-nullable pointer type 'X * _Nonnull'}}
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(void)^(X * _Nullable_result p) {
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X *_Nonnull l = p; // expected-warning{{implicit conversion from nullable pointer 'X * _Nullable_result' to non-nullable pointer type 'X * _Nonnull'}}
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};
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}
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void test_dup() {
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id _Nullable_result _Nullable_result a; // expected-warning {{duplicate nullability specifier _Nullable_result}}
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id _Nullable _Nullable_result b; // expected-error{{nullability specifier _Nullable_result conflicts with existing specifier '_Nullable'}}
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id _Nullable_result _Nonnull c; // expected-error{{nullability specifier '_Nonnull' conflicts with existing specifier _Nullable_result}}
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}
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@interface NoContextSensitive
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-(nullable_result id)m; // expected-error {{expected a type}}
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@property(assign, nullable_result) id p; // expected-error{{unknown property attribute 'nullable_result'}}
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@end
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