forked from OSchip/llvm-project
131 lines
5.0 KiB
C++
131 lines
5.0 KiB
C++
// Test without PCH
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// RUN: %clang_cc1 -fsyntax-only -include %S/delete-mismatch.h -fdiagnostics-parseable-fixits -std=c++11 %s 2>&1 | FileCheck %s
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// Test with PCH
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// RUN: %clang_cc1 -x c++-header -std=c++11 -emit-pch -o %t %S/delete-mismatch.h
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// RUN: %clang_cc1 -std=c++11 -include-pch %t -DWITH_PCH -fsyntax-only -verify %s -ast-dump
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void f(int a[10][20]) {
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delete a; // expected-warning {{'delete' applied to a pointer-to-array type}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:9-[[@LINE-1]]:9}:"[]"
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}
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namespace MemberCheck {
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struct S {
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int *a = new int[5]; // expected-note4 {{allocated with 'new[]' here}}
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int *b;
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int *c;
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static int *d;
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S();
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S(int);
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~S() {
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delete a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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delete b; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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delete[] c; // expected-warning {{'delete[]' applied to a pointer that was allocated with 'new'; did you mean 'delete'?}}
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}
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void f();
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};
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void S::f()
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{
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delete a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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delete b; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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}
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S::S()
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: b(new int[1]), c(new int) {} // expected-note3 {{allocated with 'new[]' here}}
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// expected-note@-1 {{allocated with 'new' here}}
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S::S(int i)
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: b(new int[i]), c(new int) {} // expected-note3 {{allocated with 'new[]' here}}
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// expected-note@-1 {{allocated with 'new' here}}
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struct S2 : S {
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~S2() {
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delete a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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}
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};
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int *S::d = new int[42]; // expected-note {{allocated with 'new[]' here}}
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void f(S *s) {
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int *a = new int[1]; // expected-note {{allocated with 'new[]' here}}
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delete a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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delete s->a; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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delete s->b; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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delete s->c;
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delete s->d;
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delete S::d; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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}
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// At least one constructor initializes field with matching form of 'new'.
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struct MatchingNewIsOK {
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int *p;
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bool is_array_;
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MatchingNewIsOK() : p{new int}, is_array_(false) {}
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explicit MatchingNewIsOK(unsigned c) : p{new int[c]}, is_array_(true) {}
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~MatchingNewIsOK() {
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if (is_array_)
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delete[] p;
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else
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delete p;
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}
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};
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// At least one constructor's body is missing; no proof of mismatch.
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struct CantProve_MissingCtorDefinition {
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int *p;
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CantProve_MissingCtorDefinition();
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CantProve_MissingCtorDefinition(int);
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~CantProve_MissingCtorDefinition();
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};
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CantProve_MissingCtorDefinition::CantProve_MissingCtorDefinition()
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: p(new int)
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{ }
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CantProve_MissingCtorDefinition::~CantProve_MissingCtorDefinition()
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{
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delete[] p;
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}
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struct base {};
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struct derived : base {};
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struct InitList {
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base *p, *p2 = nullptr, *p3{nullptr}, *p4;
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InitList(unsigned c) : p(new derived[c]), p4(nullptr) {} // expected-note {{allocated with 'new[]' here}}
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InitList(unsigned c, unsigned) : p{new derived[c]}, p4{nullptr} {} // expected-note {{allocated with 'new[]' here}}
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~InitList() {
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delete p; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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delete [] p;
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delete p2;
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delete [] p3;
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delete p4;
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}
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};
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}
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namespace NonMemberCheck {
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#define DELETE_ARRAY(x) delete[] (x)
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#define DELETE(x) delete (x)
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void f() {
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int *a = new int(5); // expected-note2 {{allocated with 'new' here}}
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delete[] a; // expected-warning {{'delete[]' applied to a pointer that was allocated with 'new'; did you mean 'delete'?}}
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int *b = new int;
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delete b;
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int *c{new int}; // expected-note {{allocated with 'new' here}}
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int *d{new int[1]}; // expected-note2 {{allocated with 'new[]' here}}
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delete [ ] c; // expected-warning {{'delete[]' applied to a pointer that was allocated with 'new'; did you mean 'delete'?}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:9-[[@LINE-1]]:17}:""
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delete d; // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:9-[[@LINE-1]]:9}:"[]"
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DELETE_ARRAY(a); // expected-warning {{'delete[]' applied to a pointer that was allocated with 'new'; did you mean 'delete'?}}
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DELETE(d); // expected-warning {{'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?}}
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}
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}
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#ifndef WITH_PCH
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pch_test::X::X()
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: a(new int[1]) // expected-note{{allocated with 'new[]' here}}
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{ }
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pch_test::X::X(int i)
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: a(new int[i]) // expected-note{{allocated with 'new[]' here}}
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{ }
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#endif
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