596 lines
24 KiB
Plaintext
596 lines
24 KiB
Plaintext
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// Copyright 2011 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This is a "No Compile Test" suite.
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// http://dev.chromium.org/developers/testing/no-compile-tests
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#define FORCE_UNRETAINED_COMPLETENESS_CHECKS_FOR_TESTS 1
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#include <utility>
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#include "base/functional/bind.h"
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#include "base/functional/callback.h"
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#include "base/functional/disallow_unretained.h"
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#include "base/memory/ref_counted.h"
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#include "base/memory/raw_ptr.h"
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#include "base/memory/raw_ref.h"
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#include "base/test/bind.h"
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namespace base {
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// Do not put everything inside an anonymous namespace. If you do, many of the
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// helper function declarations will generate unused definition warnings.
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static const int kParentValue = 1;
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static const int kChildValue = 2;
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class NoRef {
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public:
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void VoidMethod0() {}
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void VoidConstMethod0() const {}
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int IntMethod0() { return 1; }
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};
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class HasRef : public NoRef, public base::RefCounted<HasRef> {
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};
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class Parent {
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public:
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void AddRef() const {}
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void Release() const {}
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virtual void VirtualSet() { value = kParentValue; }
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void NonVirtualSet() { value = kParentValue; }
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int value;
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};
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class Child : public Parent {
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public:
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virtual void VirtualSet() { value = kChildValue; }
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void NonVirtualSet() { value = kChildValue; }
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};
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class NoRefParent {
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public:
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virtual void VirtualSet() { value = kParentValue; }
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void NonVirtualSet() { value = kParentValue; }
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int value;
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};
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class NoRefChild : public NoRefParent {
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virtual void VirtualSet() { value = kChildValue; }
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void NonVirtualSet() { value = kChildValue; }
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};
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template <typename T>
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T PolymorphicIdentity(T t) {
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return t;
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}
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int UnwrapParentRef(Parent& p) {
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return p.value;
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}
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template <typename T>
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void VoidPolymorphic1(T t) {
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}
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void TakesMoveOnly(std::unique_ptr<int>) {
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}
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void TakesIntRef(int& ref) {}
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struct NonEmptyFunctor {
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int x;
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void operator()() const {}
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};
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class Incomplete;
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void PassIncompleteByPtr(Incomplete*) {}
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class Dangerous {
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public:
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void Method() {}
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DISALLOW_UNRETAINED();
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};
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void PassDangerousByPtr(Dangerous*) {}
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void PassDangerousByConstRef(const Dangerous&) {}
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void PassDangerousByMutableRef(Dangerous&) {}
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#if defined(NCTEST_METHOD_ON_CONST_OBJECT) // [r"static assertion failed.+?BindArgument<0>::ForwardedAs<.+?>::ToParamWithType<.+?>::kCanBeForwardedToBoundFunctor.+?Type mismatch between bound argument and bound functor's parameter\."]
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// Method bound to const-object.
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//
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// Only const methods should be allowed to work with const objects.
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void WontCompile() {
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HasRef has_ref;
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const HasRef* const_has_ref_ptr_ = &has_ref;
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RepeatingCallback<void()> method_to_const_cb =
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BindRepeating(&HasRef::VoidMethod0, const_has_ref_ptr_);
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method_to_const_cb.Run();
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}
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#elif defined(NCTEST_METHOD_BIND_NEEDS_REFCOUNTED_OBJECT) // [r"fatal error: static assertion failed due to requirement '!IsPointerV<base::NoRef \*> \|\| IsRefCountedType<base::NoRef, void>::value': Receivers may not be raw pointers. If using a raw pointer here is safe and has no lifetime concerns, use base::Unretained\(\) and document why it's safe."]
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// Method bound to non-refcounted object.
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//
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// We require refcounts unless you have Unretained().
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void WontCompile() {
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NoRef no_ref;
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RepeatingCallback<void()> no_ref_cb =
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BindRepeating(&NoRef::VoidMethod0, &no_ref);
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no_ref_cb.Run();
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}
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#elif defined(NCTEST_CONST_METHOD_BIND_NEEDS_REFCOUNTED_OBJECT) // [r"fatal error: static assertion failed due to requirement '!IsPointerV<base::NoRef \*> \|\| IsRefCountedType<base::NoRef, void>::value': Receivers may not be raw pointers. If using a raw pointer here is safe and has no lifetime concerns, use base::Unretained\(\) and document why it's safe."]
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// Const Method bound to non-refcounted object.
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//
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// We require refcounts unless you have Unretained().
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void WontCompile() {
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NoRef no_ref;
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RepeatingCallback<void()> no_ref_const_cb =
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BindRepeating(&NoRef::VoidConstMethod0, &no_ref);
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no_ref_const_cb.Run();
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}
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#elif defined(NCTEST_METHOD_BIND_RAW_PTR_RECEIVER_NEEDS_REFCOUNTED_OBJECT) // [r"fatal error: static assertion failed due to requirement '!IsPointerV<base::raw_ptr<base::NoRef, [^>]+>?>> \|\| IsRefCountedType<base::NoRef, void>::value': Receivers may not be raw pointers. If using a raw pointer here is safe and has no lifetime concerns, use base::Unretained\(\) and document why it's safe."]
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// Method bound to non-refcounted object.
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//
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// We require refcounts unless you have Unretained().
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void WontCompile() {
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NoRef no_ref;
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raw_ptr<NoRef> rawptr(&no_ref);
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RepeatingCallback<void()> no_ref_cb =
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BindRepeating(&NoRef::VoidMethod0, rawptr);
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no_ref_cb.Run();
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}
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#elif defined(NCTEST_CONST_METHOD_BIND_RAW_PTR_RECEIVER_NEEDS_REFCOUNTED_OBJECT) // [r"fatal error: static assertion failed due to requirement '!IsPointerV<base::raw_ptr<base::NoRef, [^>]+>?>> \|\| IsRefCountedType<base::NoRef, void>::value': Receivers may not be raw pointers. If using a raw pointer here is safe and has no lifetime concerns, use base::Unretained\(\) and document why it's safe."]
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// Const Method bound to non-refcounted object.
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//
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// We require refcounts unless you have Unretained().
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void WontCompile() {
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NoRef no_ref;
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raw_ptr<NoRef> rawptr(&no_ref);
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RepeatingCallback<void()> no_ref_const_cb =
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BindRepeating(&NoRef::VoidConstMethod0, rawptr);
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no_ref_const_cb.Run();
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}
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#elif defined(NCTEST_METHOD_BIND_REF_WRAPPER_RECEIVER_NON_REFCOUNTED_OBJECT) // [r"fatal error: indirection requires pointer operand"]
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// Method bound to non-refcounted object. It fails to compile with
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// std::reference_wrapper.
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void WontCompile() {
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NoRef no_ref;
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RepeatingCallback<void()> no_ref_cb =
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BindRepeating(&NoRef::VoidMethod0, std::cref(no_ref));
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no_ref_cb.Run();
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}
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#elif defined(NCTEST_METHOD_BIND_NATIVE_REF_RECEIVER_NON_REFCOUNTED_OBJECT) // [r"fatal error: indirection requires pointer operand"]
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// Method bound to non-refcounted object. It fails to compile with
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// a native reference.
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void WontCompile() {
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NoRef no_ref;
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RepeatingCallback<void()> no_ref_cb =
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BindRepeating(&NoRef::VoidMethod0, no_ref);
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no_ref_cb.Run();
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}
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#elif defined(NCTEST_METHOD_BIND_RAW_REF_RECEIVER_NON_REFCOUNTED_OBJECT) // [r"fatal error: .*Receivers may not be raw_ref<T>\."]
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// Method bound to non-refcounted object. It fails to compile with
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// a raw_ref.
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void WontCompile() {
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NoRef no_ref;
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raw_ref<NoRef> rawref(no_ref);
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RepeatingCallback<void()> no_ref_cb =
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BindRepeating(&NoRef::VoidMethod0, rawref);
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no_ref_cb.Run();
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}
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#elif defined(NCTEST_METHOD_BIND_REF_WRAPPER_RECEIVER_REFCOUNTED_OBJECT) // [r"fatal error: indirection requires pointer operand"]
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// Method bound to non-refcounted object. It fails to compile with
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// std::reference_wrapper.
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void WontCompile() {
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HasRef has_ref;
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RepeatingCallback<void()> has_ref_cb =
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BindRepeating(&HasRef::VoidMethod0, std::cref(has_ref));
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has_ref_cb.Run();
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}
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#elif defined(NCTEST_METHOD_BIND_NATIVE_REF_RECEIVER_REFCOUNTED_OBJECT) // [r"fatal error: indirection requires pointer operand"]
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// Method bound to non-refcounted object. It fails to compile with
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// a native reference.
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void WontCompile() {
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HasRef has_ref;
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RepeatingCallback<void()> has_ref_cb =
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BindRepeating(&HasRef::VoidMethod0, has_ref);
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has_ref_cb.Run();
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}
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#elif defined(NCTEST_METHOD_BIND_RAW_REF_RECEIVER_REFCOUNTED_OBJECT) // [r"fatal error: .*Receivers may not be raw_ref<T>\."]
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// Method bound to non-refcounted object. It fails to compile with
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// a raw_ref.
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void WontCompile() {
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HasRef has_ref;
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raw_ref<HasRef> rawref(has_ref);
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RepeatingCallback<void()> has_ref_cb =
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BindRepeating(&HasRef::VoidMethod0, rawref);
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has_ref_cb.Run();
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}
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#elif defined(NCTEST_CONST_POINTER) // [r"static assertion failed.+?BindArgument<0>::ForwardedAs<.+?>::ToParamWithType<.+?>::kCanBeForwardedToBoundFunctor.+?Type mismatch between bound argument and bound functor's parameter\."]
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// Const argument used with non-const pointer parameter of same type.
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//
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// This is just a const-correctness check.
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void WontCompile() {
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const NoRef* const_no_ref_ptr;
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RepeatingCallback<NoRef*()> pointer_same_cb =
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BindRepeating(&PolymorphicIdentity<NoRef*>, const_no_ref_ptr);
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pointer_same_cb.Run();
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}
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#elif defined(NCTEST_CONST_POINTER_SUBTYPE) // [r"static assertion failed.+?BindArgument<0>::ForwardedAs<.+?>::ToParamWithType<.+?>::kCanBeForwardedToBoundFunctor.+?Type mismatch between bound argument and bound functor's parameter\."]
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// Const argument used with non-const pointer parameter of super type.
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//
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// This is just a const-correctness check.
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void WontCompile() {
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const NoRefChild* const_child_ptr;
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RepeatingCallback<NoRefParent*()> pointer_super_cb =
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BindRepeating(&PolymorphicIdentity<NoRefParent*>, const_child_ptr);
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pointer_super_cb.Run();
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}
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#elif defined(DISABLED_NCTEST_DISALLOW_NON_CONST_REF_PARAM) // [r"fatal error: no member named 'AddRef' in 'base::NoRef'"]
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// TODO(dcheng): I think there's a type safety promotion issue here where we can
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// pass a const ref to a non const-ref function, or vice versa accidentally. Or
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// we make a copy accidentally. Check.
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// Functions with reference parameters, unsupported.
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//
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// First, non-const reference parameters are disallowed by the Google
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// style guide. Second, since we are doing argument forwarding it becomes
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// very tricky to avoid copies, maintain const correctness, and not
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// accidentally have the function be modifying a temporary, or a copy.
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void WontCompile() {
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Parent p;
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RepeatingCallback<int(Parent&)> ref_arg_cb = BindRepeating(&UnwrapParentRef);
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ref_arg_cb.Run(p);
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}
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#elif defined(NCTEST_BIND_ONCE_WITH_NON_CONST_REF_PARAM) // [r"static assertion failed due to requirement 'BindArgument<0>::ForwardedAs<.+?>::ToParamWithType<.+?>::kNonConstRefParamMustBeWrapped': Bound argument for non-const reference parameter must be wrapped in std::ref\(\) or base::OwnedRef\(\)."]
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// Binding functions with reference parameters requires `std::ref()` or
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// 'base::OwnedRef()`.
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void WontCompile() {
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int v = 1;
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auto cb = BindOnce(&TakesIntRef, v);
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}
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#elif defined(NCTEST_BIND_REPEATING_WITH_NON_CONST_REF_PARAM) // [r"static assertion failed due to requirement 'BindArgument<0>::ForwardedAs<.+?>::ToParamWithType<.+?>::kNonConstRefParamMustBeWrapped': Bound argument for non-const reference parameter must be wrapped in std::ref\(\) or base::OwnedRef\(\)."]
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// Binding functions with reference parameters requires `std::ref()` or
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// 'base::OwnedRef()`.
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void WontCompile() {
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int v = 1;
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auto cb = BindRepeating(&TakesIntRef, v);
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}
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#elif defined(NCTEST_NON_CONST_REF_PARAM_WRONG_TYPE) // [r"static assertion failed due to requirement 'BindArgument<0>::ForwardedAs<.+?>::ToParamWithType<.+?>::kCanBeForwardedToBoundFunctor': Type mismatch between bound argument and bound functor's parameter."]
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// If the argument and parameter types mismatch then the compile error should be
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// the generic type mismatch error.
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void WontCompile() {
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float f = 1.0f;
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auto cb = BindOnce(&TakesIntRef, f);
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}
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#elif defined(NCTEST_NON_CONST_REF_PARAM_WRONG_TYPE_AND_WRAPPED) // [r"static assertion failed due to requirement 'BindArgument<0>::ForwardedAs<.+?>::ToParamWithType<.+?>::kCanBeForwardedToBoundFunctor': Type mismatch between bound argument and bound functor's parameter."]
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// If the argument and parameter types mismatch then the compile error should be
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// the generic type mismatch error even if the argument is wrapped in
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// base::OwnedRef().
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void WontCompile() {
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float f = 1.0f;
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auto cb = BindOnce(&TakesIntRef, base::OwnedRef(f));
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}
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#elif defined(NCTEST_NO_IMPLICIT_ARRAY_PTR_CONVERSION) // [r"fatal error: static assertion failed due to requirement '!std::is_array_v<base::HasRef\[10\]>': First bound argument to a method cannot be an array."]
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// A method should not be bindable with an array of objects.
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//
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// This is likely not wanted behavior. We specifically check for it though
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// because it is possible, depending on how you implement prebinding, to
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// implicitly convert an array type to a pointer type.
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void WontCompile() {
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HasRef p[10];
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RepeatingCallback<void()> method_bound_to_array_cb =
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BindRepeating(&HasRef::VoidMethod0, p);
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method_bound_to_array_cb.Run();
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}
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#elif defined(NCTEST_NO_RVALUE_RAW_REF_FOR_REFCOUNTED_TYPES) // [r"fatal error: static assertion failed due to requirement '!HasRefCountedTypeAsRawPtr<.*raw_ref<base::HasRef,.*: A parameter is a refcounted type and needs scoped_refptr."]
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|
|
// Refcounted types should not be bound as a raw pointer.
|
||
|
|
void WontCompile() {
|
||
|
|
HasRef has_ref;
|
||
|
|
raw_ref<HasRef> rr(has_ref);
|
||
|
|
int a;
|
||
|
|
raw_ref<int> rr_a(a);
|
||
|
|
RepeatingCallback<void()> ref_count_as_raw_ptr_a =
|
||
|
|
BindRepeating(&VoidPolymorphic1<raw_ref<int>>, rr_a);
|
||
|
|
RepeatingCallback<void()> ref_count_as_raw_ptr =
|
||
|
|
BindRepeating(&VoidPolymorphic1<raw_ref<HasRef>>, rr);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_NO_RVALUE_RAW_PTR_FOR_REFCOUNTED_TYPES) // [r"fatal error: static assertion failed due to requirement '!HasRefCountedTypeAsRawPtr<base::HasRef \*>::value': A parameter is a refcounted type and needs scoped_refptr."]
|
||
|
|
|
||
|
|
// Refcounted types should not be bound as a raw pointer.
|
||
|
|
void WontCompile() {
|
||
|
|
HasRef for_raw_ptr;
|
||
|
|
int a;
|
||
|
|
RepeatingCallback<void()> ref_count_as_raw_ptr_a =
|
||
|
|
BindRepeating(&VoidPolymorphic1<int*>, &a);
|
||
|
|
RepeatingCallback<void()> ref_count_as_raw_ptr =
|
||
|
|
BindRepeating(&VoidPolymorphic1<HasRef*>, &for_raw_ptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_NO_LVALUE_RAW_PTR_FOR_REFCOUNTED_TYPES) // [r"fatal error: static assertion failed due to requirement '!HasRefCountedTypeAsRawPtr<base::HasRef \*>::value': A parameter is a refcounted type and needs scoped_refptr."]
|
||
|
|
|
||
|
|
// Refcounted types should not be bound as a raw pointer.
|
||
|
|
void WontCompile() {
|
||
|
|
HasRef* for_raw_ptr = nullptr;
|
||
|
|
RepeatingCallback<void()> ref_count_as_raw_ptr =
|
||
|
|
BindRepeating(&VoidPolymorphic1<HasRef*>, for_raw_ptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_NO_RVALUE_CONST_RAW_PTR_FOR_REFCOUNTED_TYPES) // [r"fatal error: static assertion failed due to requirement '!HasRefCountedTypeAsRawPtr<const base::HasRef \*>::value': A parameter is a refcounted type and needs scoped_refptr."]
|
||
|
|
|
||
|
|
// Refcounted types should not be bound as a raw pointer.
|
||
|
|
void WontCompile() {
|
||
|
|
const HasRef for_raw_ptr;
|
||
|
|
RepeatingCallback<void()> ref_count_as_raw_ptr =
|
||
|
|
BindRepeating(&VoidPolymorphic1<const HasRef*>, &for_raw_ptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_NO_LVALUE_CONST_RAW_PTR_FOR_REFCOUNTED_TYPES) // [r"fatal error: static assertion failed due to requirement '!HasRefCountedTypeAsRawPtr<const base::HasRef \*>::value': A parameter is a refcounted type and needs scoped_refptr."]
|
||
|
|
|
||
|
|
// Refcounted types should not be bound as a raw pointer.
|
||
|
|
void WontCompile() {
|
||
|
|
const HasRef* for_raw_ptr = nullptr;
|
||
|
|
RepeatingCallback<void()> ref_count_as_raw_ptr =
|
||
|
|
BindRepeating(&VoidPolymorphic1<const HasRef*>, for_raw_ptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_WEAKPTR_BIND_MUST_RETURN_VOID) // [r"fatal error: static assertion failed due to requirement 'std::is_void_v<int>': weak_ptrs can only bind to methods without return values"]
|
||
|
|
|
||
|
|
// WeakPtrs cannot be bound to methods with return types.
|
||
|
|
void WontCompile() {
|
||
|
|
NoRef no_ref;
|
||
|
|
WeakPtrFactory<NoRef> weak_factory(&no_ref);
|
||
|
|
RepeatingCallback<int()> weak_ptr_with_non_void_return_type =
|
||
|
|
BindRepeating(&NoRef::IntMethod0, weak_factory.GetWeakPtr());
|
||
|
|
weak_ptr_with_non_void_return_type.Run();
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_ASSIGN_DIFFERENT_TYPES) // [r"fatal error: no viable conversion from 'RepeatingCallback<internal::MakeUnboundRunType<void \(\*\)\(int\)>>' to 'RepeatingCallback<void \(\)>'"]
|
||
|
|
|
||
|
|
// Bind result cannot be assigned to Callbacks with a mismatching type.
|
||
|
|
void WontCompile() {
|
||
|
|
RepeatingClosure callback_mismatches_bind_type =
|
||
|
|
BindRepeating(&VoidPolymorphic1<int>);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_CAPTURING_LAMBDA) // [r"static assertion failed due to requirement 'FunctorTraits<\(lambda at [^)]+\), void>::is_stateless': Capturing lambdas and stateful lambdas are intentionally not supported\."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
int i = 0, j = 0;
|
||
|
|
BindOnce([i,&j]() {j = i;});
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_ONCECALLBACK_RUN_ON_LVALUE) // [r"fatal error: static assertion failed due to requirement '!sizeof \(\*this\)': OnceCallback::Run\(\) may only be invoked on a non-const rvalue, i\.e\. std::move\(callback\).Run\(\)."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
OnceClosure cb = BindOnce([] {});
|
||
|
|
cb.Run();
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_ONCECALLBACK_RUN_ON_CONST_LVALUE) // [r"fatal error: static assertion failed due to requirement '!sizeof \(\*this\)': OnceCallback::Run\(\) may only be invoked on a non-const rvalue, i\.e\. std::move\(callback\).Run\(\)."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
const OnceClosure cb = BindOnce([] {});
|
||
|
|
cb.Run();
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_ONCECALLBACK_RUN_ON_CONST_RVALUE) // [r"fatal error: static assertion failed due to requirement '!sizeof \(\*this\)': OnceCallback::Run\(\) may only be invoked on a non-const rvalue, i\.e\. std::move\(callback\).Run\(\)."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
const OnceClosure cb = BindOnce([] {});
|
||
|
|
std::move(cb).Run();
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_BIND_ONCECALLBACK) // [r"fatal error: static assertion failed due to requirement '!base::internal::IsOnceCallback<base::OnceCallback<void \(int\)> ?>\(\)': BindRepeating cannot bind OnceCallback. Use BindOnce with std::move\(\)."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
BindRepeating(BindOnce([](int) {}), 42);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_BINDONCE_LVALUE_ONCECALLBACK) // [r"fatal error: static assertion failed due to requirement '!internal::IsOnceCallback<std::decay_t<OnceCallback<void (int)> &> >() || (std::is_rvalue_reference<OnceCallback<void (int)> &>() && !std::is_const<std::remove_reference_t<OnceCallback<void (int)> &> >())': BindOnce requires non-const rvalue for OnceCallback binding. I.e.: base::BindOnce(std::move(callback))."]
|
||
|
|
void WontCompile() {
|
||
|
|
auto cb = BindOnce([](int) {});
|
||
|
|
BindOnce(cb, 42);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_BINDONCE_RVALUE_CONST_ONCECALLBACK) // [r"fatal error: static assertion failed due to requirement '!internal::IsOnceCallback<std::decay_t<const OnceCallback<void (int)> > >() || (std::is_rvalue_reference<const OnceCallback<void (int)> &&>() && !std::is_const<std::remove_reference_t<const OnceCallback<void (int)> > >())': BindOnce requires non-const rvalue for OnceCallback binding. I.e.: base::BindOnce(std::move(callback))."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
const auto cb = BindOnce([](int) {});
|
||
|
|
BindOnce(std::move(cb), 42);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_BINDONCE_MOVEONLY_TYPE_BY_VALUE) // [r"static assertion failed.+?BindArgument<0>::BoundAs<.+?>::StoredAs<.+?>::kMoveOnlyTypeMustUseStdMove.+?Attempting to bind a move-only type\. Use std::move\(\) to transfer ownership to the created callback\."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
std::unique_ptr<int> x;
|
||
|
|
BindOnce(&TakesMoveOnly, x);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_BIND_MOVEONLY_TYPE_BY_VALUE) // [r"static assertion failed.+?BindArgument<0>::ForwardedAs<.+?>::ToParamWithType<.+?>::kMoveOnlyTypeMustUseBasePassed.+?base::BindRepeating\(\) argument is a move-only type\. Use base::Passed\(\) instead of std::move\(\) to transfer ownership from the callback to the bound functor\."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
std::unique_ptr<int> x;
|
||
|
|
BindRepeating(&TakesMoveOnly, x);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_BIND_MOVEONLY_TYPE_WITH_STDMOVE) // [r"static assertion failed.+?BindArgument<0>::ForwardedAs<.+?>::ToParamWithType<.+?>::kMoveOnlyTypeMustUseBasePassed.+?base::BindRepeating\(\) argument is a move-only type\. Use base::Passed\(\) instead of std::move\(\) to transfer ownership from the callback to the bound functor\."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
std::unique_ptr<int> x;
|
||
|
|
BindRepeating(&TakesMoveOnly, std::move(x));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_BIND_NON_EMPTY_FUNCTOR) // [r"static assertion failed due to requirement 'FunctorTraits<base::NonEmptyFunctor, void>::is_stateless': Capturing lambdas and stateful lambdas are intentionally not supported\."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
BindRepeating(NonEmptyFunctor());
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_BINDLAMBDAFORTESTING_LVALUE_MUTABLE_LAMBDA) // [r"BindLambdaForTesting requires non-const rvalue for mutable lambda binding\. I\.e\.: base::BindLambdaForTesting\(std::move\(lambda\)\)."]
|
||
|
|
void WontCompile() {
|
||
|
|
int foo = 42;
|
||
|
|
auto mutable_lambda = [&]() mutable {};
|
||
|
|
BindLambdaForTesting(mutable_lambda);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_DISALLOW_BINDLAMBDAFORTESTING_RVALUE_CONST_MUTABLE_LAMBDA) // [r"BindLambdaForTesting requires non-const rvalue for mutable lambda binding\. I\.e\.: base::BindLambdaForTesting\(std::move\(lambda\)\)."]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
int foo = 42;
|
||
|
|
const auto mutable_lambda = [&]() mutable {};
|
||
|
|
BindLambdaForTesting(std::move(mutable_lambda));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_BIND_UNCOPYABLE_AND_UNMOVABLE_TYPE) // [r"static assertion failed.+?BindArgument<0>::BoundAs<.+?>::StoredAs<.+?>::kBindArgumentCanBeCaptured.+?Cannot capture argument: is the argument copyable or movable\?"]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
struct UncopyableUnmovable {
|
||
|
|
UncopyableUnmovable() = default;
|
||
|
|
UncopyableUnmovable(const UncopyableUnmovable&) = delete;
|
||
|
|
UncopyableUnmovable& operator=(const UncopyableUnmovable&) = delete;
|
||
|
|
};
|
||
|
|
|
||
|
|
UncopyableUnmovable u;
|
||
|
|
BindOnce([] (const UncopyableUnmovable&) {}, u);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_BIND_ONCE_WITH_PASSED) // [r"static assertion failed.+?Use std::move\(\) instead of base::Passed\(\) with base::BindOnce\(\)"]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
std::unique_ptr<int> x;
|
||
|
|
BindOnce([] (std::unique_ptr<int>) {}, Passed(&x));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_BIND_ONCE_WITH_ADDRESS_OF_OVERLOADED_FUNCTION) // [r"fatal error: reference to overloaded function could not be resolved; did you mean to call it\?"]
|
||
|
|
|
||
|
|
void F(int);
|
||
|
|
void F(float);
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
BindOnce(&F, 1, 2, 3);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_BIND_REPEATING_WITH_ADDRESS_OF_OVERLOADED_FUNCTION) // [r"fatal error: reference to overloaded function could not be resolved; did you mean to call it\?"]
|
||
|
|
|
||
|
|
void F(int);
|
||
|
|
void F(float);
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
BindRepeating(&F, 1, 2, 3);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_UNRETAINED_WITH_INCOMPLETE_TYPE) // [r"fatal error: .+ T must be fully defined\."]
|
||
|
|
|
||
|
|
void WontCompile(Incomplete* incomplete) {
|
||
|
|
BindOnce(&PassIncompleteByPtr, base::Unretained(incomplete));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_RAW_POINTER_WITH_INCOMPLETE_TYPE) // [r"fatal error: .+ T must be fully defined\."]
|
||
|
|
|
||
|
|
void WontCompile(Incomplete* incomplete) {
|
||
|
|
BindOnce(&PassIncompleteByPtr, incomplete);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_UNRETAINED_WITH_DISALLOWED_TYPE) // [r"fatal error: static assertion failed due to requirement 'TypeSupportsUnretainedV"]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
Dangerous dangerous;
|
||
|
|
BindOnce(&Dangerous::Method, base::Unretained(&dangerous));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_RAW_POINTER_WITH_DISALLOWED_TYPE) // [r"fatal error: static assertion failed due to requirement 'TypeSupportsUnretainedV"]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
Dangerous dangerous;
|
||
|
|
BindOnce(&PassDangerousByPtr, &dangerous);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_RAW_CONST_REFERENCE_WITH_DISALLOWED_TYPE) // [r"fatal error: static assertion failed due to requirement 'TypeSupportsUnretainedV"]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
Dangerous dangerous;
|
||
|
|
BindOnce(&PassDangerousByConstRef, std::cref(dangerous));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_RAW_MUTABLE_REFERENCE_WITH_DISALLOWED_TYPE) // [r"fatal error: static assertion failed due to requirement 'TypeSupportsUnretainedV"]
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
Dangerous dangerous;
|
||
|
|
BindOnce(&PassDangerousByMutableRef, std::ref(dangerous));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_UNSAFE_DANLING_WITHOUT_RAW_PTR_RECEIVER) // [r"fatal error: static assertion failed.+?base::UnsafeDangling\(\) pointers must be received by functors with MayBeDangling<T> as parameter\."]
|
||
|
|
|
||
|
|
void PassIntPtr(int *ptr) {}
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
int val;
|
||
|
|
BindOnce(&PassIntPtr, UnsafeDangling(&val));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_UNSAFE_DANLING_WITH_DIFFERENT_PTR_TRAITS) // [r"fatal error: static assertion failed.+?MayBeDangling<T> parameter must receive the same RawPtrTraits as the one passed to the corresponding base::UnsafeDangling\(\) call\."]
|
||
|
|
|
||
|
|
void PassIntPtr(MayBeDangling<int> ptr) {}
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
int val;
|
||
|
|
BindOnce(&PassIntPtr, UnsafeDangling<int, RawPtrTraits::kDummyForTest>(&val));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(NCTEST_UNSAFE_DANLING_UNTRIAGED_WITH_RAW_PTR_RECEIVER) // [r"base::Bind\(\) target functor has a parameter of type raw_ptr<T>."]
|
||
|
|
|
||
|
|
void PassIntRawPtr(raw_ptr<int> ptr) {}
|
||
|
|
|
||
|
|
void WontCompile() {
|
||
|
|
int val;
|
||
|
|
BindOnce(&PassIntRawPtr, UnsafeDanglingUntriaged(&val));
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
} // namespace base
|