forked from OSchip/llvm-project
79 lines
1.5 KiB
C++
79 lines
1.5 KiB
C++
// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -analyzer-store region -cfg-add-implicit-dtors -std=c++11 -verify %s
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// We don't inline constructors unless we have destructors turned on.
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void clang_analyzer_eval(bool);
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class A {
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int x;
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public:
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A();
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};
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A::A() : x(0) {
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clang_analyzer_eval(x == 0); // expected-warning{{TRUE}}
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}
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class DirectMember {
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int x;
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public:
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DirectMember(int value) : x(value) {}
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int getX() { return x; }
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};
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void testDirectMember() {
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DirectMember obj(3);
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clang_analyzer_eval(obj.getX() == 3); // expected-warning{{TRUE}}
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}
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class IndirectMember {
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struct {
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int x;
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};
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public:
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IndirectMember(int value) : x(value) {}
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int getX() { return x; }
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};
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void testIndirectMember() {
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IndirectMember obj(3);
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clang_analyzer_eval(obj.getX() == 3); // expected-warning{{TRUE}}
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}
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struct DelegatingConstructor {
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int x;
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DelegatingConstructor(int y) { x = y; }
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DelegatingConstructor() : DelegatingConstructor(42) {}
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};
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void testDelegatingConstructor() {
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DelegatingConstructor obj;
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clang_analyzer_eval(obj.x == 42); // expected-warning{{TRUE}}
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}
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// ------------------------------------
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// False negatives
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// ------------------------------------
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struct RefWrapper {
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RefWrapper(int *p) : x(*p) {}
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RefWrapper(int &r) : x(r) {}
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int &x;
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};
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void testReferenceMember() {
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int *p = 0;
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RefWrapper X(p); // should warn in the constructor
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}
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void testReferenceMember2() {
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int *p = 0;
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RefWrapper X(*p); // should warn here
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}
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