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40 lines
1.2 KiB
40 lines
1.2 KiB
// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -verify -Wno-objc-literal-conversion %s
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void clang_analyzer_eval(bool);
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@class NSString;
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void sanity() {
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clang_analyzer_eval(@""); // expected-warning{{TRUE}}
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clang_analyzer_eval(@"abc"); // expected-warning{{TRUE}}
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}
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namespace rdar13773117 {
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NSString *const kConstantGlobalString = @"foo";
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NSString *globalString = @"bar";
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extern void invalidateGlobals();
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void testGlobals() {
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clang_analyzer_eval(kConstantGlobalString); // expected-warning{{TRUE}}
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clang_analyzer_eval(globalString); // expected-warning{{UNKNOWN}}
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globalString = @"baz";
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clang_analyzer_eval(globalString); // expected-warning{{TRUE}}
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invalidateGlobals();
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clang_analyzer_eval(kConstantGlobalString); // expected-warning{{TRUE}}
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clang_analyzer_eval(globalString); // expected-warning{{UNKNOWN}}
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}
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NSString *returnString(NSString *input = @"garply") {
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return input;
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}
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void testDefaultArg() {
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clang_analyzer_eval(returnString(@"")); // expected-warning{{TRUE}}
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clang_analyzer_eval(returnString(0)); // expected-warning{{FALSE}}
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clang_analyzer_eval(returnString()); // expected-warning{{TRUE}}
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}
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}
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