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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /compilerplugins/clang/test/useuniqueptr.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compilerplugins/clang/test/useuniqueptr.cxx')
-rw-r--r--compilerplugins/clang/test/useuniqueptr.cxx311
1 files changed, 311 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/useuniqueptr.cxx b/compilerplugins/clang/test/useuniqueptr.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+#include <config_clang.h>
+#include <array>
+#include <memory>
+#include <vector>
+#include <unordered_map>
+
+struct XXX {
+ ~XXX() {}
+};
+
+class Foo1 {
+ XXX* m_pbar; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo1()
+ {
+ delete m_pbar; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ m_pbar = nullptr;
+ }
+};
+
+
+class Foo2 {
+ char* m_pbar1; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ char* m_pbar2; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo2()
+ {
+ delete[] m_pbar1; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ delete[] m_pbar2; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+};
+
+class Foo3 {
+ char* m_pbar;
+ bool bMine;
+ ~Foo3()
+ {
+ if (bMine)
+ delete[] m_pbar;
+ }
+};
+
+class Class4 {
+ int* m_pbar[10]; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Class4()
+ {
+ for (int i = 0; i < 10; ++i)
+ delete m_pbar[i]; // expected-error {{rather manage this member with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
+ }
+};
+class Class5 {
+ int* m_pbar[10]; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Class5()
+ {
+ for (auto p : m_pbar) // expected-note {{var is here [loplugin:useuniqueptr]}}
+ delete p; // expected-error {{rather manage this with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}} expected-error {{call to delete on a var, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+};
+class Class5a {
+ int* m_pbar[10]; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Class5a()
+ {
+ for (auto p : m_pbar) // expected-note {{var is here [loplugin:useuniqueptr]}}
+ {
+ int x = 1;
+ x = x + 2;
+ delete p; // expected-error {{rather manage this with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}} expected-error {{call to delete on a var, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+ }
+};
+class Class6 {
+ std::array<int*,10> m_pbar; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Class6()
+ {
+ for (auto p : m_pbar) // expected-note {{var is here [loplugin:useuniqueptr]}}
+ delete p; // expected-error {{rather manage this with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}} expected-error {{call to delete on a var, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+};
+class Class7 {
+ std::array<int*,10> m_pbar; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Class7()
+ {
+ for (int i = 0; i < 10; ++i)
+ delete m_pbar[i]; // expected-error {{rather manage this member with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
+ }
+};
+class Class8 {
+ std::unordered_map<int, int*> m_pbar; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Class8()
+ {
+ for (auto & i : m_pbar)
+ delete i.second; // expected-error {{rather manage this with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
+ }
+};
+class Foo8 {
+ XXX* m_pbar1; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ XXX* m_pbar2; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo8()
+ {
+ delete m_pbar1; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ delete m_pbar2; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+};
+class Foo9 {
+ XXX* m_pbar1; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ XXX* m_pbar2; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ XXX* m_pbar3; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ XXX* m_pbar4; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo9()
+ {
+ if (m_pbar1)
+ {
+ delete m_pbar1; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+ if (m_pbar2 != nullptr)
+ {
+ delete m_pbar2; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+ if (m_pbar3 != nullptr)
+ delete m_pbar3; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ if (m_pbar4 != nullptr)
+ {
+ int x = 1;
+ (void)x;
+ delete m_pbar4; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+ }
+};
+// no warning expected
+class Foo10 {
+ XXX* m_pbar1;
+ ~Foo10()
+ {
+ if (m_pbar1 != getOther())
+ {
+ delete m_pbar1;
+ }
+ }
+ XXX* getOther() { return nullptr; }
+};
+class Foo11 {
+ std::vector<XXX*> m_pbar1; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo11()
+ {
+ for (const auto & p : m_pbar1) // expected-note {{var is here [loplugin:useuniqueptr]}}
+ {
+ delete p; // expected-error {{rather manage this with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}} expected-error {{call to delete on a var, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+ }
+};
+class Foo12 {
+ std::array<int*,10> m_pbar; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo12()
+ {
+ int i = 0;
+ while (i < 10)
+ delete m_pbar[i++]; // expected-error {{rather manage this member with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
+ }
+};
+#define DELETEZ( p ) ( delete p,p = NULL )
+class Foo13 {
+ int * m_pbar1; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ int * m_pbar2; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ int * m_pbar3; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo13()
+ {
+ if (m_pbar1)
+ DELETEZ(m_pbar1); // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ DELETEZ(m_pbar2); // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ if (m_pbar3)
+ {
+ DELETEZ(m_pbar3); // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+ }
+};
+
+// check for unconditional inner compound statements
+class Foo14 {
+ int * m_pbar1; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo14()
+ {
+ {
+ delete m_pbar1; // expected-error {{unconditional call to delete on a member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+ }
+};
+
+void Foo15(int * p)
+{
+ delete p; // expected-error {{calling delete on a pointer param, should be either allowlisted or simplified [loplugin:useuniqueptr]}}
+};
+
+class Foo16 {
+ Foo16(int * p)
+ {
+ delete p; // expected-error {{calling delete on a pointer param, should be either allowlisted or simplified [loplugin:useuniqueptr]}}
+ };
+ void foo(int * p)
+ {
+ delete p; // expected-error {{calling delete on a pointer param, should be either allowlisted or simplified [loplugin:useuniqueptr]}}
+ };
+};
+
+// check for delete on array members
+class Foo17 {
+ int * m_pbar1[6]; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo17()
+ {
+ delete m_pbar1[0]; // expected-error {{unconditional call to delete on an array member, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+ }
+};
+
+// this only starts to work somewhere after clang 3.8 and before clang7
+class Foo18 {
+ std::vector<char*> m_pbar1; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo18()
+ {
+ for (auto aIter = m_pbar1.begin(); aIter != m_pbar1.end(); ++aIter)
+ delete *aIter; // expected-error {{rather manage this member with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
+ }
+};
+
+void foo19()
+{
+ std::vector<char*> vec; // expected-note {{var is here [loplugin:useuniqueptr]}}
+ for(char * p : vec) // expected-note {{var is here [loplugin:useuniqueptr]}}
+ delete p; // expected-error {{rather manage this var with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}} expected-error {{call to delete on a var, should be using std::unique_ptr [loplugin:useuniqueptr]}}
+}
+
+// no warning expected
+namespace foo20
+{
+ struct struct20_1 {};
+ struct struct20_2 : public struct20_1 {
+ char * p;
+ };
+ void foo20(struct20_1 * pMapping)
+ {
+ delete static_cast< struct20_2 * >( pMapping )->p;
+ }
+};
+
+// ------------------------------------------------------------------------------------------------
+// tests for deleting when looping via iterators
+// ------------------------------------------------------------------------------------------------
+
+void foo21()
+{
+ std::vector<bool*> vec; // expected-note {{var is here [loplugin:useuniqueptr]}}
+ for(auto it = vec.begin(); it != vec.end(); ++it)
+ delete *it; // expected-error {{rather manage this var with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
+}
+
+void foo22()
+{
+ std::unordered_map<int, float*> map; // expected-note {{var is here [loplugin:useuniqueptr]}}
+ for(auto it = map.begin(); it != map.end(); ++it)
+ delete it->second; // expected-error {{rather manage this var with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
+}
+
+class Foo23
+{
+ std::unordered_map<int, float*> map; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo23()
+ {
+ for(auto it = map.begin(); it != map.end(); ++it)
+ delete it->second; // expected-error {{rather manage this member with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
+ }
+};
+
+class Foo24
+{
+ typedef std::vector<int*> HTMLAttrs;
+ HTMLAttrs m_aSetAttrTab; // expected-note {{member is here [loplugin:useuniqueptr]}}
+ ~Foo24()
+ {
+ for ( HTMLAttrs::const_iterator it = m_aSetAttrTab.begin(); it != m_aSetAttrTab.end(); ++it )
+ delete *it; // expected-error {{rather manage this member with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
+ }
+};
+
+// ------------------------------------------------------------------------------------------------
+// tests for passing owning pointers to constructors
+// ------------------------------------------------------------------------------------------------
+
+
+class Bravo1
+{
+ std::unique_ptr<int> m_field1;
+ Bravo1(int* p)
+ : m_field1(p) // expected-error {{should be passing via std::unique_ptr param [loplugin:useuniqueptr]}}
+ {}
+};
+class Bravo2
+{
+ std::unique_ptr<int> m_field1;
+ Bravo2(std::unique_ptr<int> p)
+ : m_field1(std::move(p)) // no warning expected
+ {}
+};
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */