Move the windows-specific scoped_* stuff from base to base/win and in the bas...

base/scoped_variant_win_unittest.cc

-// Copyright (c) 2009 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/scoped_variant_win.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-static const wchar_t kTestString1[] = L"Used to create BSTRs";
-static const wchar_t kTestString2[] = L"Also used to create BSTRs";
-
-void GiveMeAVariant(VARIANT* ret) {
-  EXPECT_TRUE(ret != NULL);
-  ret->vt = VT_BSTR;
-  V_BSTR(ret) = ::SysAllocString(kTestString1);
-}
-
-// A dummy IDispatch implementation (if you can call it that).
-// The class does nothing intelligent really.  Only increments a counter
-// when AddRef is called and decrements it when Release is called.
-class FakeComObject : public IDispatch {
- public:
-  FakeComObject() : ref_(0) {
-  }
-
-  STDMETHOD_(DWORD, AddRef)() {
-    ref_++;
-    return ref_;
-  }
-
-  STDMETHOD_(DWORD, Release)() {
-    ref_--;
-    return ref_;
-  }
-
-  STDMETHOD(QueryInterface)(REFIID, void**) {
-    return E_NOTIMPL;
-  }
-
-  STDMETHOD(GetTypeInfoCount)(UINT*) {
-    return E_NOTIMPL;
-  }
-
-  STDMETHOD(GetTypeInfo)(UINT, LCID, ITypeInfo**) {
-    return E_NOTIMPL;
-  }
-
-  STDMETHOD(GetIDsOfNames)(REFIID, LPOLESTR*, UINT, LCID, DISPID*) {
-    return E_NOTIMPL;
-  }
-
-  STDMETHOD(Invoke)(DISPID, REFIID, LCID, WORD, DISPPARAMS*, VARIANT*,
-                    EXCEPINFO*, UINT*) {
-    return E_NOTIMPL;
-  }
-
-  // A way to check the internal reference count of the class.
-  int ref_count() const {
-    return ref_;
-  }
-
- protected:
-  int ref_;
-};
-
-}  // namespace
-
-TEST(ScopedVariantTest, ScopedVariant) {
-  ScopedVariant var;
-  EXPECT_TRUE(var.type() == VT_EMPTY);
-  // V_BSTR(&var) = NULL;  <- NOTE: Assignment like that is not supported
-
-  ScopedVariant var_bstr(L"VT_BSTR");
-  EXPECT_EQ(VT_BSTR, V_VT(&var_bstr));
-  EXPECT_TRUE(V_BSTR(&var_bstr) != NULL);  // can't use EXPECT_NE for BSTR
-  var_bstr.Reset();
-  EXPECT_NE(VT_BSTR, V_VT(&var_bstr));
-  var_bstr.Set(kTestString2);
-  EXPECT_EQ(VT_BSTR, V_VT(&var_bstr));
-
-  VARIANT tmp = var_bstr.Release();
-  EXPECT_EQ(VT_EMPTY, V_VT(&var_bstr));
-  EXPECT_EQ(VT_BSTR, V_VT(&tmp));
-  EXPECT_EQ(0, lstrcmp(V_BSTR(&tmp), kTestString2));
-
-  var.Reset(tmp);
-  EXPECT_EQ(VT_BSTR, V_VT(&var));
-  EXPECT_EQ(0, lstrcmpW(V_BSTR(&var), kTestString2));
-
-  var_bstr.Swap(var);
-  EXPECT_EQ(VT_EMPTY, V_VT(&var));
-  EXPECT_EQ(VT_BSTR, V_VT(&var_bstr));
-  EXPECT_EQ(0, lstrcmpW(V_BSTR(&var_bstr), kTestString2));
-  var_bstr.Reset();
-
-  // Test the Compare and Copy routines.
-  GiveMeAVariant(var_bstr.Receive());
-  ScopedVariant var_bstr2(V_BSTR(&var_bstr));
-  EXPECT_EQ(0, var_bstr.Compare(var_bstr2));
-  var_bstr2.Reset();
-  EXPECT_NE(0, var_bstr.Compare(var_bstr2));
-  var_bstr2.Reset(var_bstr.Copy());
-  EXPECT_EQ(0, var_bstr.Compare(var_bstr2));
-  var_bstr2.Reset();
-  var_bstr2.Set(V_BSTR(&var_bstr));
-  EXPECT_EQ(0, var_bstr.Compare(var_bstr2));
-  var_bstr2.Reset();
-  var_bstr.Reset();
-
-  // Test for the SetDate setter.
-  SYSTEMTIME sys_time;
-  ::GetSystemTime(&sys_time);
-  DATE date;
-  ::SystemTimeToVariantTime(&sys_time, &date);
-  var.Reset();
-  var.SetDate(date);
-  EXPECT_EQ(VT_DATE, var.type());
-  EXPECT_EQ(date, V_DATE(&var));
-
-  // Simple setter tests.  These do not require resetting the variant
-  // after each test since the variant type is not "leakable" (i.e. doesn't
-  // need to be freed explicitly).
-
-  // We need static cast here since char defaults to int (!?).
-  var.Set(static_cast<int8>('v'));
-  EXPECT_EQ(VT_I1, var.type());
-  EXPECT_EQ('v', V_I1(&var));
-
-  var.Set(static_cast<short>(123));
-  EXPECT_EQ(VT_I2, var.type());
-  EXPECT_EQ(123, V_I2(&var));
-
-  var.Set(static_cast<int32>(123));
-  EXPECT_EQ(VT_I4, var.type());
-  EXPECT_EQ(123, V_I4(&var));
-
-  var.Set(static_cast<int64>(123));
-  EXPECT_EQ(VT_I8, var.type());
-  EXPECT_EQ(123, V_I8(&var));
-
-  var.Set(static_cast<uint8>(123));
-  EXPECT_EQ(VT_UI1, var.type());
-  EXPECT_EQ(123, V_UI1(&var));
-
-  var.Set(static_cast<unsigned short>(123));
-  EXPECT_EQ(VT_UI2, var.type());
-  EXPECT_EQ(123, V_UI2(&var));
-
-  var.Set(static_cast<uint32>(123));
-  EXPECT_EQ(VT_UI4, var.type());
-  EXPECT_EQ(123, V_UI4(&var));
-
-  var.Set(static_cast<uint64>(123));
-  EXPECT_EQ(VT_UI8, var.type());
-  EXPECT_EQ(123, V_UI8(&var));
-
-  var.Set(123.123f);
-  EXPECT_EQ(VT_R4, var.type());
-  EXPECT_EQ(123.123f, V_R4(&var));
-
-  var.Set(static_cast<double>(123.123));
-  EXPECT_EQ(VT_R8, var.type());
-  EXPECT_EQ(123.123, V_R8(&var));
-
-  var.Set(true);
-  EXPECT_EQ(VT_BOOL, var.type());
-  EXPECT_EQ(VARIANT_TRUE, V_BOOL(&var));
-  var.Set(false);
-  EXPECT_EQ(VT_BOOL, var.type());
-  EXPECT_EQ(VARIANT_FALSE, V_BOOL(&var));
-
-  // Com interface tests
-
-  var.Set(static_cast<IDispatch*>(NULL));
-  EXPECT_EQ(VT_DISPATCH, var.type());
-  EXPECT_EQ(NULL, V_DISPATCH(&var));
-  var.Reset();
-
-  var.Set(static_cast<IUnknown*>(NULL));
-  EXPECT_EQ(VT_UNKNOWN, var.type());
-  EXPECT_EQ(NULL, V_UNKNOWN(&var));
-  var.Reset();
-
-  FakeComObject faker;
-  EXPECT_EQ(0, faker.ref_count());
-  var.Set(static_cast<IDispatch*>(&faker));
-  EXPECT_EQ(VT_DISPATCH, var.type());
-  EXPECT_EQ(&faker, V_DISPATCH(&var));
-  EXPECT_EQ(1, faker.ref_count());
-  var.Reset();
-  EXPECT_EQ(0, faker.ref_count());
-
-  var.Set(static_cast<IUnknown*>(&faker));
-  EXPECT_EQ(VT_UNKNOWN, var.type());
-  EXPECT_EQ(&faker, V_UNKNOWN(&var));
-  EXPECT_EQ(1, faker.ref_count());
-  var.Reset();
-  EXPECT_EQ(0, faker.ref_count());
-
-  {
-    ScopedVariant disp_var(&faker);
-    EXPECT_EQ(VT_DISPATCH, disp_var.type());
-    EXPECT_EQ(&faker, V_DISPATCH(&disp_var));
-    EXPECT_EQ(1, faker.ref_count());
-  }
-  EXPECT_EQ(0, faker.ref_count());
-
-  {
-    ScopedVariant ref1(&faker);
-    EXPECT_EQ(1, faker.ref_count());
-    ScopedVariant ref2(static_cast<const VARIANT&>(ref1));
-    EXPECT_EQ(2, faker.ref_count());
-    ScopedVariant ref3;
-    ref3 = static_cast<const VARIANT&>(ref2);
-    EXPECT_EQ(3, faker.ref_count());
-  }
-  EXPECT_EQ(0, faker.ref_count());
-
-  {
-    ScopedVariant unk_var(static_cast<IUnknown*>(&faker));
-    EXPECT_EQ(VT_UNKNOWN, unk_var.type());
-    EXPECT_EQ(&faker, V_UNKNOWN(&unk_var));
-    EXPECT_EQ(1, faker.ref_count());
-  }
-  EXPECT_EQ(0, faker.ref_count());
-
-  VARIANT raw;
-  raw.vt = VT_UNKNOWN;
-  raw.punkVal = &faker;
-  EXPECT_EQ(0, faker.ref_count());
-  var.Set(raw);
-  EXPECT_EQ(1, faker.ref_count());
-  var.Reset();
-  EXPECT_EQ(0, faker.ref_count());
-
-  {
-    ScopedVariant number(123);
-    EXPECT_EQ(VT_I4, number.type());
-    EXPECT_EQ(123, V_I4(&number));
-  }
-
-  // SAFEARRAY tests
-  var.Set(static_cast<SAFEARRAY*>(NULL));
-  EXPECT_EQ(VT_EMPTY, var.type());
-
-  SAFEARRAY* sa = ::SafeArrayCreateVector(VT_UI1, 0, 100);
-  ASSERT_TRUE(sa != NULL);
-
-  var.Set(sa);
-#ifndef OFFICIAL_BUILD
-  EXPECT_TRUE(ScopedVariant::IsLeakableVarType(var.type()));
-#endif
-  EXPECT_EQ(VT_ARRAY | VT_UI1, var.type());
-  EXPECT_EQ(sa, V_ARRAY(&var));
-  // The array is destroyed in the destructor of var.
-}