| Index: base/bind_unittest.cc
|
| diff --git a/base/bind_unittest.cc b/base/bind_unittest.cc
|
| deleted file mode 100644
|
| index f885403c92dfa68b0ba0a4afe534e4c3d39ad918..0000000000000000000000000000000000000000
|
| --- a/base/bind_unittest.cc
|
| +++ /dev/null
|
| @@ -1,829 +0,0 @@
|
| -// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "base/bind.h"
|
| -
|
| -#include "base/callback.h"
|
| -#include "base/memory/ref_counted.h"
|
| -#include "base/memory/scoped_ptr.h"
|
| -#include "base/memory/weak_ptr.h"
|
| -#include "testing/gmock/include/gmock/gmock.h"
|
| -#include "testing/gtest/include/gtest/gtest.h"
|
| -
|
| -using ::testing::Mock;
|
| -using ::testing::Return;
|
| -using ::testing::StrictMock;
|
| -
|
| -namespace base {
|
| -namespace {
|
| -
|
| -class IncompleteType;
|
| -
|
| -class NoRef {
|
| - public:
|
| - NoRef() {}
|
| -
|
| - MOCK_METHOD0(VoidMethod0, void(void));
|
| - MOCK_CONST_METHOD0(VoidConstMethod0, void(void));
|
| -
|
| - MOCK_METHOD0(IntMethod0, int(void));
|
| - MOCK_CONST_METHOD0(IntConstMethod0, int(void));
|
| -
|
| - private:
|
| - // Particularly important in this test to ensure no copies are made.
|
| - DISALLOW_COPY_AND_ASSIGN(NoRef);
|
| -};
|
| -
|
| -class HasRef : public NoRef {
|
| - public:
|
| - HasRef() {}
|
| -
|
| - MOCK_CONST_METHOD0(AddRef, void(void));
|
| - MOCK_CONST_METHOD0(Release, bool(void));
|
| -
|
| - private:
|
| - // Particularly important in this test to ensure no copies are made.
|
| - DISALLOW_COPY_AND_ASSIGN(HasRef);
|
| -};
|
| -
|
| -class HasRefPrivateDtor : public HasRef {
|
| - private:
|
| - ~HasRefPrivateDtor() {}
|
| -};
|
| -
|
| -static const int kParentValue = 1;
|
| -static const int kChildValue = 2;
|
| -
|
| -class Parent {
|
| - public:
|
| - void AddRef(void) const {}
|
| - void Release(void) const {}
|
| - virtual void VirtualSet() { value = kParentValue; }
|
| - void NonVirtualSet() { value = kParentValue; }
|
| - int value;
|
| -};
|
| -
|
| -class Child : public Parent {
|
| - public:
|
| - void VirtualSet() override { value = kChildValue; }
|
| - void NonVirtualSet() { value = kChildValue; }
|
| -};
|
| -
|
| -class NoRefParent {
|
| - public:
|
| - virtual void VirtualSet() { value = kParentValue; }
|
| - void NonVirtualSet() { value = kParentValue; }
|
| - int value;
|
| -};
|
| -
|
| -class NoRefChild : public NoRefParent {
|
| - void VirtualSet() override { value = kChildValue; }
|
| - void NonVirtualSet() { value = kChildValue; }
|
| -};
|
| -
|
| -// Used for probing the number of copies that occur if a type must be coerced
|
| -// during argument forwarding in the Run() methods.
|
| -struct DerivedCopyCounter {
|
| - DerivedCopyCounter(int* copies, int* assigns)
|
| - : copies_(copies), assigns_(assigns) {
|
| - }
|
| - int* copies_;
|
| - int* assigns_;
|
| -};
|
| -
|
| -// Used for probing the number of copies in an argument.
|
| -class CopyCounter {
|
| - public:
|
| - CopyCounter(int* copies, int* assigns)
|
| - : copies_(copies), assigns_(assigns) {
|
| - }
|
| -
|
| - CopyCounter(const CopyCounter& other)
|
| - : copies_(other.copies_),
|
| - assigns_(other.assigns_) {
|
| - (*copies_)++;
|
| - }
|
| -
|
| - // Probing for copies from coercion.
|
| - explicit CopyCounter(const DerivedCopyCounter& other)
|
| - : copies_(other.copies_),
|
| - assigns_(other.assigns_) {
|
| - (*copies_)++;
|
| - }
|
| -
|
| - const CopyCounter& operator=(const CopyCounter& rhs) {
|
| - copies_ = rhs.copies_;
|
| - assigns_ = rhs.assigns_;
|
| -
|
| - if (assigns_) {
|
| - (*assigns_)++;
|
| - }
|
| -
|
| - return *this;
|
| - }
|
| -
|
| - int copies() const {
|
| - return *copies_;
|
| - }
|
| -
|
| - private:
|
| - int* copies_;
|
| - int* assigns_;
|
| -};
|
| -
|
| -class DeleteCounter {
|
| - public:
|
| - explicit DeleteCounter(int* deletes)
|
| - : deletes_(deletes) {
|
| - }
|
| -
|
| - ~DeleteCounter() {
|
| - (*deletes_)++;
|
| - }
|
| -
|
| - void VoidMethod0() {}
|
| -
|
| - private:
|
| - int* deletes_;
|
| -};
|
| -
|
| -template <typename T>
|
| -T PassThru(T scoper) {
|
| - return scoper.Pass();
|
| -}
|
| -
|
| -// Some test functions that we can Bind to.
|
| -template <typename T>
|
| -T PolymorphicIdentity(T t) {
|
| - return t;
|
| -}
|
| -
|
| -template <typename T>
|
| -void VoidPolymorphic1(T t) {
|
| -}
|
| -
|
| -int Identity(int n) {
|
| - return n;
|
| -}
|
| -
|
| -int ArrayGet(const int array[], int n) {
|
| - return array[n];
|
| -}
|
| -
|
| -int Sum(int a, int b, int c, int d, int e, int f) {
|
| - return a + b + c + d + e + f;
|
| -}
|
| -
|
| -const char* CStringIdentity(const char* s) {
|
| - return s;
|
| -}
|
| -
|
| -int GetCopies(const CopyCounter& counter) {
|
| - return counter.copies();
|
| -}
|
| -
|
| -int UnwrapNoRefParent(NoRefParent p) {
|
| - return p.value;
|
| -}
|
| -
|
| -int UnwrapNoRefParentPtr(NoRefParent* p) {
|
| - return p->value;
|
| -}
|
| -
|
| -int UnwrapNoRefParentConstRef(const NoRefParent& p) {
|
| - return p.value;
|
| -}
|
| -
|
| -void RefArgSet(int &n) {
|
| - n = 2;
|
| -}
|
| -
|
| -void PtrArgSet(int *n) {
|
| - *n = 2;
|
| -}
|
| -
|
| -int FunctionWithWeakFirstParam(WeakPtr<NoRef> o, int n) {
|
| - return n;
|
| -}
|
| -
|
| -int FunctionWithScopedRefptrFirstParam(const scoped_refptr<HasRef>& o, int n) {
|
| - return n;
|
| -}
|
| -
|
| -void TakesACallback(const Closure& callback) {
|
| - callback.Run();
|
| -}
|
| -
|
| -class BindTest : public ::testing::Test {
|
| - public:
|
| - BindTest() {
|
| - const_has_ref_ptr_ = &has_ref_;
|
| - const_no_ref_ptr_ = &no_ref_;
|
| - static_func_mock_ptr = &static_func_mock_;
|
| - }
|
| -
|
| - virtual ~BindTest() {
|
| - }
|
| -
|
| - static void VoidFunc0(void) {
|
| - static_func_mock_ptr->VoidMethod0();
|
| - }
|
| -
|
| - static int IntFunc0(void) { return static_func_mock_ptr->IntMethod0(); }
|
| -
|
| - protected:
|
| - StrictMock<NoRef> no_ref_;
|
| - StrictMock<HasRef> has_ref_;
|
| - const HasRef* const_has_ref_ptr_;
|
| - const NoRef* const_no_ref_ptr_;
|
| - StrictMock<NoRef> static_func_mock_;
|
| -
|
| - // Used by the static functions to perform expectations.
|
| - static StrictMock<NoRef>* static_func_mock_ptr;
|
| -
|
| - private:
|
| - DISALLOW_COPY_AND_ASSIGN(BindTest);
|
| -};
|
| -
|
| -StrictMock<NoRef>* BindTest::static_func_mock_ptr;
|
| -
|
| -// Sanity check that we can instantiate a callback for each arity.
|
| -TEST_F(BindTest, ArityTest) {
|
| - Callback<int(void)> c0 = Bind(&Sum, 32, 16, 8, 4, 2, 1);
|
| - EXPECT_EQ(63, c0.Run());
|
| -
|
| - Callback<int(int)> c1 = Bind(&Sum, 32, 16, 8, 4, 2);
|
| - EXPECT_EQ(75, c1.Run(13));
|
| -
|
| - Callback<int(int,int)> c2 = Bind(&Sum, 32, 16, 8, 4);
|
| - EXPECT_EQ(85, c2.Run(13, 12));
|
| -
|
| - Callback<int(int,int,int)> c3 = Bind(&Sum, 32, 16, 8);
|
| - EXPECT_EQ(92, c3.Run(13, 12, 11));
|
| -
|
| - Callback<int(int,int,int,int)> c4 = Bind(&Sum, 32, 16);
|
| - EXPECT_EQ(94, c4.Run(13, 12, 11, 10));
|
| -
|
| - Callback<int(int,int,int,int,int)> c5 = Bind(&Sum, 32);
|
| - EXPECT_EQ(87, c5.Run(13, 12, 11, 10, 9));
|
| -
|
| - Callback<int(int,int,int,int,int,int)> c6 = Bind(&Sum);
|
| - EXPECT_EQ(69, c6.Run(13, 12, 11, 10, 9, 14));
|
| -}
|
| -
|
| -// Test the Currying ability of the Callback system.
|
| -TEST_F(BindTest, CurryingTest) {
|
| - Callback<int(int,int,int,int,int,int)> c6 = Bind(&Sum);
|
| - EXPECT_EQ(69, c6.Run(13, 12, 11, 10, 9, 14));
|
| -
|
| - Callback<int(int,int,int,int,int)> c5 = Bind(c6, 32);
|
| - EXPECT_EQ(87, c5.Run(13, 12, 11, 10, 9));
|
| -
|
| - Callback<int(int,int,int,int)> c4 = Bind(c5, 16);
|
| - EXPECT_EQ(94, c4.Run(13, 12, 11, 10));
|
| -
|
| - Callback<int(int,int,int)> c3 = Bind(c4, 8);
|
| - EXPECT_EQ(92, c3.Run(13, 12, 11));
|
| -
|
| - Callback<int(int,int)> c2 = Bind(c3, 4);
|
| - EXPECT_EQ(85, c2.Run(13, 12));
|
| -
|
| - Callback<int(int)> c1 = Bind(c2, 2);
|
| - EXPECT_EQ(75, c1.Run(13));
|
| -
|
| - Callback<int(void)> c0 = Bind(c1, 1);
|
| - EXPECT_EQ(63, c0.Run());
|
| -}
|
| -
|
| -// Test that currying the rvalue result of another Bind() works correctly.
|
| -// - rvalue should be usable as argument to Bind().
|
| -// - multiple runs of resulting Callback remain valid.
|
| -TEST_F(BindTest, CurryingRvalueResultOfBind) {
|
| - int n = 0;
|
| - Closure cb = base::Bind(&TakesACallback, base::Bind(&PtrArgSet, &n));
|
| -
|
| - // If we implement Bind() such that the return value has auto_ptr-like
|
| - // semantics, the second call here will fail because ownership of
|
| - // the internal BindState<> would have been transfered to a *temporary*
|
| - // constructon of a Callback object on the first call.
|
| - cb.Run();
|
| - EXPECT_EQ(2, n);
|
| -
|
| - n = 0;
|
| - cb.Run();
|
| - EXPECT_EQ(2, n);
|
| -}
|
| -
|
| -// Function type support.
|
| -// - Normal function.
|
| -// - Normal function bound with non-refcounted first argument.
|
| -// - Method bound to non-const object.
|
| -// - Method bound to scoped_refptr.
|
| -// - Const method bound to non-const object.
|
| -// - Const method bound to const object.
|
| -// - Derived classes can be used with pointers to non-virtual base functions.
|
| -// - Derived classes can be used with pointers to virtual base functions (and
|
| -// preserve virtual dispatch).
|
| -TEST_F(BindTest, FunctionTypeSupport) {
|
| - EXPECT_CALL(static_func_mock_, VoidMethod0());
|
| - EXPECT_CALL(has_ref_, AddRef()).Times(5);
|
| - EXPECT_CALL(has_ref_, Release()).Times(5);
|
| - EXPECT_CALL(has_ref_, VoidMethod0()).Times(2);
|
| - EXPECT_CALL(has_ref_, VoidConstMethod0()).Times(2);
|
| -
|
| - Closure normal_cb = Bind(&VoidFunc0);
|
| - Callback<NoRef*(void)> normal_non_refcounted_cb =
|
| - Bind(&PolymorphicIdentity<NoRef*>, &no_ref_);
|
| - normal_cb.Run();
|
| - EXPECT_EQ(&no_ref_, normal_non_refcounted_cb.Run());
|
| -
|
| - Closure method_cb = Bind(&HasRef::VoidMethod0, &has_ref_);
|
| - Closure method_refptr_cb = Bind(&HasRef::VoidMethod0,
|
| - make_scoped_refptr(&has_ref_));
|
| - Closure const_method_nonconst_obj_cb = Bind(&HasRef::VoidConstMethod0,
|
| - &has_ref_);
|
| - Closure const_method_const_obj_cb = Bind(&HasRef::VoidConstMethod0,
|
| - const_has_ref_ptr_);
|
| - method_cb.Run();
|
| - method_refptr_cb.Run();
|
| - const_method_nonconst_obj_cb.Run();
|
| - const_method_const_obj_cb.Run();
|
| -
|
| - Child child;
|
| - child.value = 0;
|
| - Closure virtual_set_cb = Bind(&Parent::VirtualSet, &child);
|
| - virtual_set_cb.Run();
|
| - EXPECT_EQ(kChildValue, child.value);
|
| -
|
| - child.value = 0;
|
| - Closure non_virtual_set_cb = Bind(&Parent::NonVirtualSet, &child);
|
| - non_virtual_set_cb.Run();
|
| - EXPECT_EQ(kParentValue, child.value);
|
| -}
|
| -
|
| -// Return value support.
|
| -// - Function with return value.
|
| -// - Method with return value.
|
| -// - Const method with return value.
|
| -TEST_F(BindTest, ReturnValues) {
|
| - EXPECT_CALL(static_func_mock_, IntMethod0()).WillOnce(Return(1337));
|
| - EXPECT_CALL(has_ref_, AddRef()).Times(3);
|
| - EXPECT_CALL(has_ref_, Release()).Times(3);
|
| - EXPECT_CALL(has_ref_, IntMethod0()).WillOnce(Return(31337));
|
| - EXPECT_CALL(has_ref_, IntConstMethod0())
|
| - .WillOnce(Return(41337))
|
| - .WillOnce(Return(51337));
|
| -
|
| - Callback<int(void)> normal_cb = Bind(&IntFunc0);
|
| - Callback<int(void)> method_cb = Bind(&HasRef::IntMethod0, &has_ref_);
|
| - Callback<int(void)> const_method_nonconst_obj_cb =
|
| - Bind(&HasRef::IntConstMethod0, &has_ref_);
|
| - Callback<int(void)> const_method_const_obj_cb =
|
| - Bind(&HasRef::IntConstMethod0, const_has_ref_ptr_);
|
| - EXPECT_EQ(1337, normal_cb.Run());
|
| - EXPECT_EQ(31337, method_cb.Run());
|
| - EXPECT_EQ(41337, const_method_nonconst_obj_cb.Run());
|
| - EXPECT_EQ(51337, const_method_const_obj_cb.Run());
|
| -}
|
| -
|
| -// IgnoreResult adapter test.
|
| -// - Function with return value.
|
| -// - Method with return value.
|
| -// - Const Method with return.
|
| -// - Method with return value bound to WeakPtr<>.
|
| -// - Const Method with return bound to WeakPtr<>.
|
| -TEST_F(BindTest, IgnoreResult) {
|
| - EXPECT_CALL(static_func_mock_, IntMethod0()).WillOnce(Return(1337));
|
| - EXPECT_CALL(has_ref_, AddRef()).Times(2);
|
| - EXPECT_CALL(has_ref_, Release()).Times(2);
|
| - EXPECT_CALL(has_ref_, IntMethod0()).WillOnce(Return(10));
|
| - EXPECT_CALL(has_ref_, IntConstMethod0()).WillOnce(Return(11));
|
| - EXPECT_CALL(no_ref_, IntMethod0()).WillOnce(Return(12));
|
| - EXPECT_CALL(no_ref_, IntConstMethod0()).WillOnce(Return(13));
|
| -
|
| - Closure normal_func_cb = Bind(IgnoreResult(&IntFunc0));
|
| - normal_func_cb.Run();
|
| -
|
| - Closure non_void_method_cb =
|
| - Bind(IgnoreResult(&HasRef::IntMethod0), &has_ref_);
|
| - non_void_method_cb.Run();
|
| -
|
| - Closure non_void_const_method_cb =
|
| - Bind(IgnoreResult(&HasRef::IntConstMethod0), &has_ref_);
|
| - non_void_const_method_cb.Run();
|
| -
|
| - WeakPtrFactory<NoRef> weak_factory(&no_ref_);
|
| - WeakPtrFactory<const NoRef> const_weak_factory(const_no_ref_ptr_);
|
| -
|
| - Closure non_void_weak_method_cb =
|
| - Bind(IgnoreResult(&NoRef::IntMethod0), weak_factory.GetWeakPtr());
|
| - non_void_weak_method_cb.Run();
|
| -
|
| - Closure non_void_weak_const_method_cb =
|
| - Bind(IgnoreResult(&NoRef::IntConstMethod0), weak_factory.GetWeakPtr());
|
| - non_void_weak_const_method_cb.Run();
|
| -
|
| - weak_factory.InvalidateWeakPtrs();
|
| - non_void_weak_const_method_cb.Run();
|
| - non_void_weak_method_cb.Run();
|
| -}
|
| -
|
| -// Argument binding tests.
|
| -// - Argument binding to primitive.
|
| -// - Argument binding to primitive pointer.
|
| -// - Argument binding to a literal integer.
|
| -// - Argument binding to a literal string.
|
| -// - Argument binding with template function.
|
| -// - Argument binding to an object.
|
| -// - Argument binding to pointer to incomplete type.
|
| -// - Argument gets type converted.
|
| -// - Pointer argument gets converted.
|
| -// - Const Reference forces conversion.
|
| -TEST_F(BindTest, ArgumentBinding) {
|
| - int n = 2;
|
| -
|
| - Callback<int(void)> bind_primitive_cb = Bind(&Identity, n);
|
| - EXPECT_EQ(n, bind_primitive_cb.Run());
|
| -
|
| - Callback<int*(void)> bind_primitive_pointer_cb =
|
| - Bind(&PolymorphicIdentity<int*>, &n);
|
| - EXPECT_EQ(&n, bind_primitive_pointer_cb.Run());
|
| -
|
| - Callback<int(void)> bind_int_literal_cb = Bind(&Identity, 3);
|
| - EXPECT_EQ(3, bind_int_literal_cb.Run());
|
| -
|
| - Callback<const char*(void)> bind_string_literal_cb =
|
| - Bind(&CStringIdentity, "hi");
|
| - EXPECT_STREQ("hi", bind_string_literal_cb.Run());
|
| -
|
| - Callback<int(void)> bind_template_function_cb =
|
| - Bind(&PolymorphicIdentity<int>, 4);
|
| - EXPECT_EQ(4, bind_template_function_cb.Run());
|
| -
|
| - NoRefParent p;
|
| - p.value = 5;
|
| - Callback<int(void)> bind_object_cb = Bind(&UnwrapNoRefParent, p);
|
| - EXPECT_EQ(5, bind_object_cb.Run());
|
| -
|
| - IncompleteType* incomplete_ptr = reinterpret_cast<IncompleteType*>(123);
|
| - Callback<IncompleteType*(void)> bind_incomplete_ptr_cb =
|
| - Bind(&PolymorphicIdentity<IncompleteType*>, incomplete_ptr);
|
| - EXPECT_EQ(incomplete_ptr, bind_incomplete_ptr_cb.Run());
|
| -
|
| - NoRefChild c;
|
| - c.value = 6;
|
| - Callback<int(void)> bind_promotes_cb = Bind(&UnwrapNoRefParent, c);
|
| - EXPECT_EQ(6, bind_promotes_cb.Run());
|
| -
|
| - c.value = 7;
|
| - Callback<int(void)> bind_pointer_promotes_cb =
|
| - Bind(&UnwrapNoRefParentPtr, &c);
|
| - EXPECT_EQ(7, bind_pointer_promotes_cb.Run());
|
| -
|
| - c.value = 8;
|
| - Callback<int(void)> bind_const_reference_promotes_cb =
|
| - Bind(&UnwrapNoRefParentConstRef, c);
|
| - EXPECT_EQ(8, bind_const_reference_promotes_cb.Run());
|
| -}
|
| -
|
| -// Unbound argument type support tests.
|
| -// - Unbound value.
|
| -// - Unbound pointer.
|
| -// - Unbound reference.
|
| -// - Unbound const reference.
|
| -// - Unbound unsized array.
|
| -// - Unbound sized array.
|
| -// - Unbound array-of-arrays.
|
| -TEST_F(BindTest, UnboundArgumentTypeSupport) {
|
| - Callback<void(int)> unbound_value_cb = Bind(&VoidPolymorphic1<int>);
|
| - Callback<void(int*)> unbound_pointer_cb = Bind(&VoidPolymorphic1<int*>);
|
| - Callback<void(int&)> unbound_ref_cb = Bind(&VoidPolymorphic1<int&>);
|
| - Callback<void(const int&)> unbound_const_ref_cb =
|
| - Bind(&VoidPolymorphic1<const int&>);
|
| - Callback<void(int[])> unbound_unsized_array_cb =
|
| - Bind(&VoidPolymorphic1<int[]>);
|
| - Callback<void(int[2])> unbound_sized_array_cb =
|
| - Bind(&VoidPolymorphic1<int[2]>);
|
| - Callback<void(int[][2])> unbound_array_of_arrays_cb =
|
| - Bind(&VoidPolymorphic1<int[][2]>);
|
| -}
|
| -
|
| -// Function with unbound reference parameter.
|
| -// - Original parameter is modified by callback.
|
| -TEST_F(BindTest, UnboundReferenceSupport) {
|
| - int n = 0;
|
| - Callback<void(int&)> unbound_ref_cb = Bind(&RefArgSet);
|
| - unbound_ref_cb.Run(n);
|
| - EXPECT_EQ(2, n);
|
| -}
|
| -
|
| -// Functions that take reference parameters.
|
| -// - Forced reference parameter type still stores a copy.
|
| -// - Forced const reference parameter type still stores a copy.
|
| -TEST_F(BindTest, ReferenceArgumentBinding) {
|
| - int n = 1;
|
| - int& ref_n = n;
|
| - const int& const_ref_n = n;
|
| -
|
| - Callback<int(void)> ref_copies_cb = Bind(&Identity, ref_n);
|
| - EXPECT_EQ(n, ref_copies_cb.Run());
|
| - n++;
|
| - EXPECT_EQ(n - 1, ref_copies_cb.Run());
|
| -
|
| - Callback<int(void)> const_ref_copies_cb = Bind(&Identity, const_ref_n);
|
| - EXPECT_EQ(n, const_ref_copies_cb.Run());
|
| - n++;
|
| - EXPECT_EQ(n - 1, const_ref_copies_cb.Run());
|
| -}
|
| -
|
| -// Check that we can pass in arrays and have them be stored as a pointer.
|
| -// - Array of values stores a pointer.
|
| -// - Array of const values stores a pointer.
|
| -TEST_F(BindTest, ArrayArgumentBinding) {
|
| - int array[4] = {1, 1, 1, 1};
|
| - const int (*const_array_ptr)[4] = &array;
|
| -
|
| - Callback<int(void)> array_cb = Bind(&ArrayGet, array, 1);
|
| - EXPECT_EQ(1, array_cb.Run());
|
| -
|
| - Callback<int(void)> const_array_cb = Bind(&ArrayGet, *const_array_ptr, 1);
|
| - EXPECT_EQ(1, const_array_cb.Run());
|
| -
|
| - array[1] = 3;
|
| - EXPECT_EQ(3, array_cb.Run());
|
| - EXPECT_EQ(3, const_array_cb.Run());
|
| -}
|
| -
|
| -// Verify SupportsAddRefAndRelease correctly introspects the class type for
|
| -// AddRef() and Release().
|
| -// - Class with AddRef() and Release()
|
| -// - Class without AddRef() and Release()
|
| -// - Derived Class with AddRef() and Release()
|
| -// - Derived Class without AddRef() and Release()
|
| -// - Derived Class with AddRef() and Release() and a private destructor.
|
| -TEST_F(BindTest, SupportsAddRefAndRelease) {
|
| - EXPECT_TRUE(internal::SupportsAddRefAndRelease<HasRef>::value);
|
| - EXPECT_FALSE(internal::SupportsAddRefAndRelease<NoRef>::value);
|
| -
|
| - // StrictMock<T> is a derived class of T. So, we use StrictMock<HasRef> and
|
| - // StrictMock<NoRef> to test that SupportsAddRefAndRelease works over
|
| - // inheritance.
|
| - EXPECT_TRUE(internal::SupportsAddRefAndRelease<StrictMock<HasRef> >::value);
|
| - EXPECT_FALSE(internal::SupportsAddRefAndRelease<StrictMock<NoRef> >::value);
|
| -
|
| - // This matters because the implementation creates a dummy class that
|
| - // inherits from the template type.
|
| - EXPECT_TRUE(internal::SupportsAddRefAndRelease<HasRefPrivateDtor>::value);
|
| -}
|
| -
|
| -// Unretained() wrapper support.
|
| -// - Method bound to Unretained() non-const object.
|
| -// - Const method bound to Unretained() non-const object.
|
| -// - Const method bound to Unretained() const object.
|
| -TEST_F(BindTest, Unretained) {
|
| - EXPECT_CALL(no_ref_, VoidMethod0());
|
| - EXPECT_CALL(no_ref_, VoidConstMethod0()).Times(2);
|
| -
|
| - Callback<void(void)> method_cb =
|
| - Bind(&NoRef::VoidMethod0, Unretained(&no_ref_));
|
| - method_cb.Run();
|
| -
|
| - Callback<void(void)> const_method_cb =
|
| - Bind(&NoRef::VoidConstMethod0, Unretained(&no_ref_));
|
| - const_method_cb.Run();
|
| -
|
| - Callback<void(void)> const_method_const_ptr_cb =
|
| - Bind(&NoRef::VoidConstMethod0, Unretained(const_no_ref_ptr_));
|
| - const_method_const_ptr_cb.Run();
|
| -}
|
| -
|
| -// WeakPtr() support.
|
| -// - Method bound to WeakPtr<> to non-const object.
|
| -// - Const method bound to WeakPtr<> to non-const object.
|
| -// - Const method bound to WeakPtr<> to const object.
|
| -// - Normal Function with WeakPtr<> as P1 can have return type and is
|
| -// not canceled.
|
| -TEST_F(BindTest, WeakPtr) {
|
| - EXPECT_CALL(no_ref_, VoidMethod0());
|
| - EXPECT_CALL(no_ref_, VoidConstMethod0()).Times(2);
|
| -
|
| - WeakPtrFactory<NoRef> weak_factory(&no_ref_);
|
| - WeakPtrFactory<const NoRef> const_weak_factory(const_no_ref_ptr_);
|
| -
|
| - Closure method_cb =
|
| - Bind(&NoRef::VoidMethod0, weak_factory.GetWeakPtr());
|
| - method_cb.Run();
|
| -
|
| - Closure const_method_cb =
|
| - Bind(&NoRef::VoidConstMethod0, const_weak_factory.GetWeakPtr());
|
| - const_method_cb.Run();
|
| -
|
| - Closure const_method_const_ptr_cb =
|
| - Bind(&NoRef::VoidConstMethod0, const_weak_factory.GetWeakPtr());
|
| - const_method_const_ptr_cb.Run();
|
| -
|
| - Callback<int(int)> normal_func_cb =
|
| - Bind(&FunctionWithWeakFirstParam, weak_factory.GetWeakPtr());
|
| - EXPECT_EQ(1, normal_func_cb.Run(1));
|
| -
|
| - weak_factory.InvalidateWeakPtrs();
|
| - const_weak_factory.InvalidateWeakPtrs();
|
| -
|
| - method_cb.Run();
|
| - const_method_cb.Run();
|
| - const_method_const_ptr_cb.Run();
|
| -
|
| - // Still runs even after the pointers are invalidated.
|
| - EXPECT_EQ(2, normal_func_cb.Run(2));
|
| -}
|
| -
|
| -// ConstRef() wrapper support.
|
| -// - Binding w/o ConstRef takes a copy.
|
| -// - Binding a ConstRef takes a reference.
|
| -// - Binding ConstRef to a function ConstRef does not copy on invoke.
|
| -TEST_F(BindTest, ConstRef) {
|
| - int n = 1;
|
| -
|
| - Callback<int(void)> copy_cb = Bind(&Identity, n);
|
| - Callback<int(void)> const_ref_cb = Bind(&Identity, ConstRef(n));
|
| - EXPECT_EQ(n, copy_cb.Run());
|
| - EXPECT_EQ(n, const_ref_cb.Run());
|
| - n++;
|
| - EXPECT_EQ(n - 1, copy_cb.Run());
|
| - EXPECT_EQ(n, const_ref_cb.Run());
|
| -
|
| - int copies = 0;
|
| - int assigns = 0;
|
| - CopyCounter counter(&copies, &assigns);
|
| - Callback<int(void)> all_const_ref_cb =
|
| - Bind(&GetCopies, ConstRef(counter));
|
| - EXPECT_EQ(0, all_const_ref_cb.Run());
|
| - EXPECT_EQ(0, copies);
|
| - EXPECT_EQ(0, assigns);
|
| -}
|
| -
|
| -TEST_F(BindTest, ScopedRefptr) {
|
| - // BUG: The scoped_refptr should cause the only AddRef()/Release() pair. But
|
| - // due to a bug in base::Bind(), there's an extra call when invoking the
|
| - // callback.
|
| - // https://code.google.com/p/chromium/issues/detail?id=251937
|
| - EXPECT_CALL(has_ref_, AddRef()).Times(2);
|
| - EXPECT_CALL(has_ref_, Release()).Times(2);
|
| -
|
| - const scoped_refptr<StrictMock<HasRef> > refptr(&has_ref_);
|
| -
|
| - Callback<int(void)> scoped_refptr_const_ref_cb =
|
| - Bind(&FunctionWithScopedRefptrFirstParam, base::ConstRef(refptr), 1);
|
| - EXPECT_EQ(1, scoped_refptr_const_ref_cb.Run());
|
| -}
|
| -
|
| -// Test Owned() support.
|
| -TEST_F(BindTest, Owned) {
|
| - int deletes = 0;
|
| - DeleteCounter* counter = new DeleteCounter(&deletes);
|
| -
|
| - // If we don't capture, delete happens on Callback destruction/reset.
|
| - // return the same value.
|
| - Callback<DeleteCounter*(void)> no_capture_cb =
|
| - Bind(&PolymorphicIdentity<DeleteCounter*>, Owned(counter));
|
| - ASSERT_EQ(counter, no_capture_cb.Run());
|
| - ASSERT_EQ(counter, no_capture_cb.Run());
|
| - EXPECT_EQ(0, deletes);
|
| - no_capture_cb.Reset(); // This should trigger a delete.
|
| - EXPECT_EQ(1, deletes);
|
| -
|
| - deletes = 0;
|
| - counter = new DeleteCounter(&deletes);
|
| - base::Closure own_object_cb =
|
| - Bind(&DeleteCounter::VoidMethod0, Owned(counter));
|
| - own_object_cb.Run();
|
| - EXPECT_EQ(0, deletes);
|
| - own_object_cb.Reset();
|
| - EXPECT_EQ(1, deletes);
|
| -}
|
| -
|
| -// Passed() wrapper support.
|
| -// - Passed() can be constructed from a pointer to scoper.
|
| -// - Passed() can be constructed from a scoper rvalue.
|
| -// - Using Passed() gives Callback Ownership.
|
| -// - Ownership is transferred from Callback to callee on the first Run().
|
| -// - Callback supports unbound arguments.
|
| -TEST_F(BindTest, ScopedPtr) {
|
| - int deletes = 0;
|
| -
|
| - // Tests the Passed() function's support for pointers.
|
| - scoped_ptr<DeleteCounter> ptr(new DeleteCounter(&deletes));
|
| - Callback<scoped_ptr<DeleteCounter>(void)> unused_callback =
|
| - Bind(&PassThru<scoped_ptr<DeleteCounter> >, Passed(&ptr));
|
| - EXPECT_FALSE(ptr.get());
|
| - EXPECT_EQ(0, deletes);
|
| -
|
| - // If we never invoke the Callback, it retains ownership and deletes.
|
| - unused_callback.Reset();
|
| - EXPECT_EQ(1, deletes);
|
| -
|
| - // Tests the Passed() function's support for rvalues.
|
| - deletes = 0;
|
| - DeleteCounter* counter = new DeleteCounter(&deletes);
|
| - Callback<scoped_ptr<DeleteCounter>(void)> callback =
|
| - Bind(&PassThru<scoped_ptr<DeleteCounter> >,
|
| - Passed(scoped_ptr<DeleteCounter>(counter)));
|
| - EXPECT_FALSE(ptr.get());
|
| - EXPECT_EQ(0, deletes);
|
| -
|
| - // Check that ownership can be transferred back out.
|
| - scoped_ptr<DeleteCounter> result = callback.Run();
|
| - ASSERT_EQ(counter, result.get());
|
| - EXPECT_EQ(0, deletes);
|
| -
|
| - // Resetting does not delete since ownership was transferred.
|
| - callback.Reset();
|
| - EXPECT_EQ(0, deletes);
|
| -
|
| - // Ensure that we actually did get ownership.
|
| - result.reset();
|
| - EXPECT_EQ(1, deletes);
|
| -
|
| - // Test unbound argument forwarding.
|
| - Callback<scoped_ptr<DeleteCounter>(scoped_ptr<DeleteCounter>)> cb_unbound =
|
| - Bind(&PassThru<scoped_ptr<DeleteCounter> >);
|
| - ptr.reset(new DeleteCounter(&deletes));
|
| - cb_unbound.Run(ptr.Pass());
|
| -}
|
| -
|
| -// Argument Copy-constructor usage for non-reference parameters.
|
| -// - Bound arguments are only copied once.
|
| -// - Forwarded arguments are only copied once.
|
| -// - Forwarded arguments with coercions are only copied twice (once for the
|
| -// coercion, and one for the final dispatch).
|
| -TEST_F(BindTest, ArgumentCopies) {
|
| - int copies = 0;
|
| - int assigns = 0;
|
| -
|
| - CopyCounter counter(&copies, &assigns);
|
| -
|
| - Callback<void(void)> copy_cb =
|
| - Bind(&VoidPolymorphic1<CopyCounter>, counter);
|
| - EXPECT_GE(1, copies);
|
| - EXPECT_EQ(0, assigns);
|
| -
|
| - copies = 0;
|
| - assigns = 0;
|
| - Callback<void(CopyCounter)> forward_cb =
|
| - Bind(&VoidPolymorphic1<CopyCounter>);
|
| - forward_cb.Run(counter);
|
| - EXPECT_GE(1, copies);
|
| - EXPECT_EQ(0, assigns);
|
| -
|
| - copies = 0;
|
| - assigns = 0;
|
| - DerivedCopyCounter derived(&copies, &assigns);
|
| - Callback<void(CopyCounter)> coerce_cb =
|
| - Bind(&VoidPolymorphic1<CopyCounter>);
|
| - coerce_cb.Run(CopyCounter(derived));
|
| - EXPECT_GE(2, copies);
|
| - EXPECT_EQ(0, assigns);
|
| -}
|
| -
|
| -// Callback construction and assignment tests.
|
| -// - Construction from an InvokerStorageHolder should not cause ref/deref.
|
| -// - Assignment from other callback should only cause one ref
|
| -//
|
| -// TODO(ajwong): Is there actually a way to test this?
|
| -
|
| -#if defined(OS_WIN)
|
| -int __fastcall FastCallFunc(int n) {
|
| - return n;
|
| -}
|
| -
|
| -int __stdcall StdCallFunc(int n) {
|
| - return n;
|
| -}
|
| -
|
| -// Windows specific calling convention support.
|
| -// - Can bind a __fastcall function.
|
| -// - Can bind a __stdcall function.
|
| -TEST_F(BindTest, WindowsCallingConventions) {
|
| - Callback<int(void)> fastcall_cb = Bind(&FastCallFunc, 1);
|
| - EXPECT_EQ(1, fastcall_cb.Run());
|
| -
|
| - Callback<int(void)> stdcall_cb = Bind(&StdCallFunc, 2);
|
| - EXPECT_EQ(2, stdcall_cb.Run());
|
| -}
|
| -#endif
|
| -
|
| -#if (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) && GTEST_HAS_DEATH_TEST
|
| -
|
| -// Test null callbacks cause a DCHECK.
|
| -TEST(BindDeathTest, NullCallback) {
|
| - base::Callback<void(int)> null_cb;
|
| - ASSERT_TRUE(null_cb.is_null());
|
| - EXPECT_DEATH(base::Bind(null_cb, 42), "");
|
| -}
|
| -
|
| -#endif // (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) &&
|
| - // GTEST_HAS_DEATH_TEST
|
| -
|
| -} // namespace
|
| -} // namespace base
|
|
|