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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 InitializingCoClass template mixin.
#include "ceee/common/initializing_coclass.h"
#include <atlbase.h>
#include <atlcom.h>
#include "gtest/gtest.h"
namespace {
// A test class to exercise initializing coclass functionality
// We inherit from two interfaces just to play devil's advocate
class CoClassTesterBase: public CComObjectRootEx<CComSingleThreadModel>,
public IObjectWithSiteImpl<CoClassTesterBase>,
public IDispatchImpl<IDispatch> {
public:
CoClassTesterBase() {
instances_++;
last_initializer_called_ = 0;
}
~CoClassTesterBase() {
instances_--;
}
BEGIN_COM_MAP(CoClassTesterBase)
COM_INTERFACE_ENTRY(IObjectWithSite)
COM_INTERFACE_ENTRY(IDispatch)
END_COM_MAP()
public:
static int last_initializer_called_;
// tally of our instances
static int instances_;
};
int CoClassTesterBase::last_initializer_called_ = 0;
int CoClassTesterBase::instances_ = 0;
#define DECLARE_INIT_FUNCTION(args, num, result) \
HRESULT Initialize args { \
last_initializer_called_ = num; \
return result; \
}
class CoClassSuccessTester: public CoClassTesterBase,
public InitializingCoClass<CoClassSuccessTester> {
public:
DECLARE_INIT_FUNCTION((), 0, S_OK)
DECLARE_INIT_FUNCTION((int a1), 1, S_OK)
DECLARE_INIT_FUNCTION((int a1, int a2), 2, S_OK)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3), 3, S_OK)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4), 4, S_OK)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5), 5, S_OK)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6),
6, S_OK)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6,
int a7), 7, S_OK)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6,
int a7, int a8), 8, S_OK)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6,
int a7, int a8, int a9), 9, S_OK)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6,
int a7, int a8, int a9, int a10), 10, S_OK)
};
class CoClassFailureTester: public CoClassTesterBase,
public InitializingCoClass<CoClassFailureTester> {
public:
DECLARE_INIT_FUNCTION((), 0, E_FAIL)
DECLARE_INIT_FUNCTION((int a1), 1, E_FAIL)
DECLARE_INIT_FUNCTION((int a1, int a2), 2, E_FAIL)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3), 3, E_FAIL)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4), 4, E_FAIL)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5), 5, E_FAIL)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6),
6, E_FAIL)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6,
int a7), 7, E_FAIL)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6,
int a7, int a8), 8, E_FAIL)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6,
int a7, int a8, int a9), 9, E_FAIL)
DECLARE_INIT_FUNCTION((int a1, int a2, int a3, int a4, int a5, int a6,
int a7, int a8, int a9, int a10), 10, E_FAIL)
};
} // namespace
// Test for successful init
TEST(InitializingCoClassTest, InitSuccess) {
#define SUCCESS_TEST(num, args) \
{ \
CComPtr<IDispatch> disp; \
ASSERT_TRUE(SUCCEEDED(CoClassSuccessTester::CreateInitialized args)); \
ASSERT_EQ(1, CoClassTesterBase::instances_); \
ASSERT_EQ(num, CoClassTesterBase::last_initializer_called_); \
disp.Release(); \
ASSERT_EQ(0, CoClassTesterBase::instances_); \
} \
SUCCESS_TEST(0, (&disp))
SUCCESS_TEST(1, (1, &disp))
SUCCESS_TEST(2, (1, 2, &disp))
SUCCESS_TEST(3, (1, 2, 3, &disp))
SUCCESS_TEST(4, (1, 2, 3, 4, &disp))
SUCCESS_TEST(5, (1, 2, 3, 4, 5, &disp))
SUCCESS_TEST(6, (1, 2, 3, 4, 5, 6, &disp))
SUCCESS_TEST(7, (1, 2, 3, 4, 5, 6, 7, &disp))
SUCCESS_TEST(8, (1, 2, 3, 4, 5, 6, 7, 8, &disp))
SUCCESS_TEST(9, (1, 2, 3, 4, 5, 6, 7, 8, 9, &disp))
SUCCESS_TEST(10, (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, &disp))
}
// Test for failure on initialization, proper cleanup
TEST(InitializingCoClassTest, InitFailure) {
#define FAILURE_TEST(num, args) \
{ \
CComPtr<IDispatch> disp; \
ASSERT_TRUE(FAILED(CoClassFailureTester::CreateInitialized args)); \
ASSERT_EQ(0, CoClassTesterBase::instances_); \
ASSERT_EQ(num, CoClassTesterBase::last_initializer_called_); \
ASSERT_TRUE(NULL == disp.p); \
} \
FAILURE_TEST(0, (&disp))
FAILURE_TEST(1, (1, &disp))
FAILURE_TEST(2, (1, 2, &disp))
FAILURE_TEST(3, (1, 2, 3, &disp))
FAILURE_TEST(4, (1, 2, 3, 4, &disp))
FAILURE_TEST(5, (1, 2, 3, 4, 5, &disp))
FAILURE_TEST(6, (1, 2, 3, 4, 5, 6, &disp))
FAILURE_TEST(7, (1, 2, 3, 4, 5, 6, 7, &disp))
FAILURE_TEST(8, (1, 2, 3, 4, 5, 6, 7, 8, &disp))
FAILURE_TEST(9, (1, 2, 3, 4, 5, 6, 7, 8, 9, &disp))
FAILURE_TEST(10, (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, &disp))
}
// Test for failure on QueryInterface, proper cleanup
TEST(InitializingCoClassTest, QueryInterfaceFailure) {
#define QI_FAILURE_TEST(num, args) \
{ \
CComPtr<IStream> stream; \
ASSERT_EQ(E_NOINTERFACE, CoClassSuccessTester::CreateInitialized args); \
ASSERT_EQ(0, CoClassTesterBase::instances_); \
ASSERT_EQ(num, CoClassTesterBase::last_initializer_called_); \
ASSERT_TRUE(NULL == stream.p); \
} \
QI_FAILURE_TEST(0, (&stream))
QI_FAILURE_TEST(1, (1, &stream))
QI_FAILURE_TEST(2, (1, 2, &stream))
QI_FAILURE_TEST(3, (1, 2, 3, &stream))
QI_FAILURE_TEST(4, (1, 2, 3, 4, &stream))
QI_FAILURE_TEST(5, (1, 2, 3, 4, 5, &stream))
QI_FAILURE_TEST(6, (1, 2, 3, 4, 5, 6, &stream))
QI_FAILURE_TEST(7, (1, 2, 3, 4, 5, 6, 7, &stream))
QI_FAILURE_TEST(8, (1, 2, 3, 4, 5, 6, 7, 8, &stream))
QI_FAILURE_TEST(9, (1, 2, 3, 4, 5, 6, 7, 8, 9, &stream))
QI_FAILURE_TEST(10, (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, &stream))
}
// Test for proper cleanup on Initialize failure for CreateInstance
TEST(InitializingCoClassTest, InitFailureOnCreateInstance) {
#define INIT_FAILURE_TEST(num, args) \
{ \
CoClassSuccessTester* tester; \
ASSERT_EQ(E_FAIL, CoClassFailureTester::CreateInstance args); \
ASSERT_EQ(0, CoClassTesterBase::instances_); \
ASSERT_EQ(num, CoClassTesterBase::last_initializer_called_); \
ASSERT_TRUE(NULL == tester); \
} \
QI_FAILURE_TEST(0, (&stream))
QI_FAILURE_TEST(1, (1, &stream))
QI_FAILURE_TEST(2, (1, 2, &stream))
QI_FAILURE_TEST(3, (1, 2, 3, &stream))
QI_FAILURE_TEST(4, (1, 2, 3, 4, &stream))
QI_FAILURE_TEST(5, (1, 2, 3, 4, 5, &stream))
QI_FAILURE_TEST(6, (1, 2, 3, 4, 5, 6, &stream))
QI_FAILURE_TEST(7, (1, 2, 3, 4, 5, 6, 7, &stream))
QI_FAILURE_TEST(8, (1, 2, 3, 4, 5, 6, 7, 8, &stream))
QI_FAILURE_TEST(9, (1, 2, 3, 4, 5, 6, 7, 8, 9, &stream))
QI_FAILURE_TEST(10, (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, &stream))
}
namespace {
// Class that does not like to be copied.
class DoNotCopy {
public:
DoNotCopy() {
}
DoNotCopy(const DoNotCopy& copy) {
EXPECT_TRUE(false);
}
};
// Simple class we will use to test if reference parameters are being honoured
// or if in fact they are being copied somewhere inbetween CreateInstance() and
// Initialize().
class CoClassCopyTester
: public CComObjectRootEx<CComSingleThreadModel>,
public IDispatchImpl<IDispatch>,
public InitializingCoClass<CoClassCopyTester> {
public:
BEGIN_COM_MAP(CoClassCopyTester)
COM_INTERFACE_ENTRY(IDispatch)
END_COM_MAP()
HRESULT Initialize(const DoNotCopy& data) {
// If we got this far it means we didn't run the copy constructor
return S_OK;
}
};
} // namespace
// Test to make sure that passing a reference parameter doesn't trigger a copy
// on the argument.
TEST(InitializingCoClassTest, TestReferenceParams) {
DoNotCopy data;
CComPtr<IDispatch> tester;
HRESULT hr = CoClassCopyTester::CreateInitialized(data, &tester);
ASSERT_EQ(S_OK, hr);
}
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