forked from OSchip/llvm-project
81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=core,cplusplus.NewDelete,unix.Malloc -std=c++11 -fblocks -verify %s
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// RUN: %clang_analyze_cc1 -analyzer-checker=core,cplusplus.NewDelete,cplusplus.NewDeleteLeaks,unix.Malloc -std=c++11 -DLEAKS -fblocks -verify %s
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#include "Inputs/system-header-simulator-cxx.h"
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#ifndef LEAKS
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// expected-no-diagnostics
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#endif
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void *allocator(std::size_t size);
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void *operator new[](std::size_t size) throw() { return allocator(size); }
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void *operator new(std::size_t size) throw() { return allocator(size); }
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void *operator new(std::size_t size, std::nothrow_t& nothrow) throw() { return allocator(size); }
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void *operator new(std::size_t, double d);
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class C {
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public:
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void *operator new(std::size_t);
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};
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void testNewMethod() {
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void *p1 = C::operator new(0); // no warn
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C *p2 = new C; // no warn
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C *c3 = ::new C;
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}
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#ifdef LEAKS
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// expected-warning@-2{{Potential leak of memory pointed to by 'c3'}}
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#endif
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void testOpNewArray() {
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void *p = operator new[](0); // call is inlined, no warn
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}
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void testNewExprArray() {
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int *p = new int[0];
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}
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#ifdef LEAKS
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// expected-warning@-2{{Potential leak of memory pointed to by 'p'}}
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#endif
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//----- Custom non-placement operators
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void testOpNew() {
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void *p = operator new(0); // call is inlined, no warn
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}
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void testNewExpr() {
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int *p = new int;
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}
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#ifdef LEAKS
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// expected-warning@-2{{Potential leak of memory pointed to by 'p'}}
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#endif
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//----- Custom NoThrow placement operators
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void testOpNewNoThrow() {
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void *p = operator new(0, std::nothrow);
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}
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#ifdef LEAKS
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// expected-warning@-2{{Potential leak of memory pointed to by 'p'}}
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#endif
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void testNewExprNoThrow() {
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int *p = new(std::nothrow) int;
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}
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#ifdef LEAKS
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// expected-warning@-2{{Potential leak of memory pointed to by 'p'}}
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#endif
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//----- Custom placement operators
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void testOpNewPlacement() {
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void *p = operator new(0, 0.1); // no warn
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}
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void testNewExprPlacement() {
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int *p = new(0.1) int; // no warn
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}
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