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// RUN: %clang_analyze_cc1 -fblocks -analyze -analyzer-checker=core,nullability,apiModeling -verify %s
#include "Inputs/system-header-simulator-for-nullability.h"
NSString* _Nonnull trust_nonnull_framework_annotation() {
NSString* out = [NSString generateString];
if (out) {}
return out; // no-warning
}
NSString* _Nonnull trust_instancemsg_annotation(NSString* _Nonnull param) {
NSString* out = [param stringByAppendingString:@"string"];
if (out) {}
return out; // no-warning
}
NSString* _Nonnull distrust_instancemsg_noannotation(NSString* param) {
if (param) {}
NSString* out = [param stringByAppendingString:@"string"];
if (out) {}
return out; // expected-warning{{}}
}
NSString* _Nonnull trust_analyzer_knowledge(NSString* param) {
if (!param)
return @"";
NSString* out = [param stringByAppendingString:@"string"];
if (out) {}
return out; // no-warning
}
NSString* _Nonnull trust_assume_nonnull_macro() {
NSString* out = [NSString generateImplicitlyNonnullString];
if (out) {}
return out; // no-warning
}
NSString* _Nonnull distrust_without_annotation() {
NSString* out = [NSString generatePossiblyNullString];
if (out) {}
return out; // expected-warning{{}}
}
NSString* _Nonnull nonnull_please_trust_me();
NSString* _Nonnull distrust_local_nonnull_annotation() {
NSString* out = nonnull_please_trust_me();
if (out) {}
return out; // expected-warning{{}}
}
NSString* _Nonnull trust_c_function() {
NSString* out = getString();
if (out) {};
return out; // no-warning
}
NSString* _Nonnull distrust_unannoted_function() {
NSString* out = getPossiblyNullString();
if (out) {};
return out; // expected-warning{{}}
}
NSString * _Nonnull distrustProtocol(id<MyProtocol> o) {
NSString* out = [o getString];
if (out) {};
return out; // expected-warning{{}}
}
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