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// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify -Wno-objc-literal-conversion %s
void clang_analyzer_eval(bool);
@class NSString;
void sanity() {
clang_analyzer_eval(@""); // expected-warning{{TRUE}}
clang_analyzer_eval(@"abc"); // expected-warning{{TRUE}}
}
namespace rdar13773117 {
NSString *const kConstantGlobalString = @"foo";
NSString *globalString = @"bar";
extern void invalidateGlobals();
void testGlobals() {
clang_analyzer_eval(kConstantGlobalString); // expected-warning{{TRUE}}
clang_analyzer_eval(globalString); // expected-warning{{UNKNOWN}}
globalString = @"baz";
clang_analyzer_eval(globalString); // expected-warning{{TRUE}}
invalidateGlobals();
clang_analyzer_eval(kConstantGlobalString); // expected-warning{{TRUE}}
clang_analyzer_eval(globalString); // expected-warning{{UNKNOWN}}
}
NSString *returnString(NSString *input = @"garply") {
return input;
}
void testDefaultArg() {
clang_analyzer_eval(returnString(@"")); // expected-warning{{TRUE}}
clang_analyzer_eval(returnString(0)); // expected-warning{{FALSE}}
clang_analyzer_eval(returnString()); // expected-warning{{TRUE}}
}
}
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