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// Copyright (c) 2010 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.
//
// Unit tests for test utils.
#include "ceee/testing/utils/test_utils.h"
#include "base/scoped_vector.h"
#include "ceee/common/initializing_coclass.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
TEST(LogDisabler, ItDisables) {
testing::LogDisabler disabler;
DCHECK(false);
}
} // namespace
namespace {
using testing::_;
using testing::CopyBSTRToArgument;
using testing::CopyInterfaceToArgument;
using testing::CopyStringToArgument;
using testing::CopyVariantToArgument;
using testing::DoAll;
using testing::Return;
class IInt : public IUnknown {
public:
virtual int get() const = 0;
virtual void set(int i) = 0;
};
// {FA26DE41-C212-4e11-A23F-C7DC405180A2}
const GUID IID_IInt =
{ 0xfa26de41, 0xc212, 0x4e11,
{ 0xa2, 0x3f, 0xc7, 0xdc, 0x40, 0x51, 0x80, 0xa2 } };
class MockInt
: public CComObjectRootEx<CComSingleThreadModel>,
public IInt {
public:
BEGIN_COM_MAP(MockInt)
COM_INTERFACE_ENTRY_IID(IID_IInt, IInt)
END_COM_MAP()
HRESULT Initialize(MockInt** i) {
*i = this;
return S_OK;
}
int get() const { return i_; }
void set(int i) { i_ = i; }
private:
int i_;
};
class MockGetter {
public:
MOCK_METHOD1(GetString, void(wchar_t* str));
MOCK_METHOD1(GetBSTR, void(BSTR* str));
MOCK_METHOD1(GetIInt, void(IInt** i));
MOCK_METHOD1(GetVariant, void(VARIANT* var));
};
const wchar_t* kStr = L"hello";
const int kInt = 5;
TEST(CopyStringToArgument, ItCopies) {
MockGetter getter;
EXPECT_CALL(getter, GetString(_)).WillOnce(CopyStringToArgument<0>(kStr));
wchar_t* ret = new wchar_t[lstrlenW(kStr) + 1];
getter.GetString(ret);
ASSERT_EQ(wcscmp(ret, kStr), 0);
delete[] ret;
}
TEST(CopyBSTRToArgument, ItCopies) {
MockGetter getter;
EXPECT_CALL(getter, GetBSTR(_)).WillOnce(CopyBSTRToArgument<0>(kStr));
CComBSTR expected = kStr;
CComBSTR ret;
getter.GetBSTR(&ret);
ASSERT_EQ(ret, expected);
}
TEST(CopyInterfaceToArgument, ItCopies) {
MockGetter getter;
{
// Cause ptr to go out of scope.
MockInt* mock_int;
CComPtr<IInt> int_ptr;
ASSERT_HRESULT_SUCCEEDED(
InitializingCoClass<MockInt>::CreateInitializedIID(
&mock_int, IID_IInt, &int_ptr));
int_ptr->set(kInt);
EXPECT_CALL(getter, GetIInt(_))
.WillOnce(CopyInterfaceToArgument<0>(int_ptr));
}
CComPtr<IInt> int_ptr;
getter.GetIInt(&int_ptr);
ASSERT_EQ(int_ptr->get(), kInt);
}
TEST(CopyVariantToArgument, ItCopies) {
MockGetter getter;
{
// Cause the variant to go out of scope.
MockInt* mock_int;
CComPtr<IInt> int_ptr;
ASSERT_HRESULT_SUCCEEDED(
InitializingCoClass<MockInt>::CreateInitializedIID(
&mock_int, IID_IInt, &int_ptr));
int_ptr->set(kInt);
CComVariant var(int_ptr);
EXPECT_CALL(getter, GetVariant(_)).WillOnce(CopyVariantToArgument<0>(var));
}
CComVariant ret;
getter.GetVariant(&ret);
ASSERT_EQ(V_VT(&ret), VT_UNKNOWN);
CComPtr<IInt> int_ptr;
ASSERT_HRESULT_SUCCEEDED(V_UNKNOWN(&ret)->QueryInterface(
IID_IInt, reinterpret_cast<void**>(&int_ptr)));
ASSERT_EQ(int_ptr->get(), kInt);
}
} // namespace
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