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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.
//
// Utilities for testing.
#include "base/file_path.h"
#include "base/path_service.h"
#include "base/utf_string_conversions.h"
#include "ceee/testing/utils/test_utils.h"
namespace testing {
HRESULT GetConnectionCount(IUnknown* container,
REFIID connection_point_id,
size_t* num_connections) {
if (!num_connections)
return E_POINTER;
*num_connections = 0;
CComPtr<IConnectionPointContainer> cpc;
HRESULT hr = container->QueryInterface(&cpc);
if (FAILED(hr))
return hr;
CHECK(cpc != NULL);
CComPtr<IConnectionPoint> cp;
hr = cpc->FindConnectionPoint(connection_point_id, &cp);
CComPtr<IEnumConnections> enum_connections;
if (SUCCEEDED(hr))
hr = cp->EnumConnections(&enum_connections);
if (FAILED(hr))
return hr;
while (true) {
CONNECTDATA conn = {};
ULONG fetched = 0;
hr = enum_connections->Next(1, &conn, &fetched);
if (FAILED(hr)) {
CHECK(conn.pUnk == NULL);
return hr;
}
if (hr == S_FALSE) {
CHECK(conn.pUnk == NULL);
return S_OK;
}
CHECK(NULL != conn.pUnk);
conn.pUnk->Release();
(*num_connections)++;
}
NOTREACHED();
return E_UNEXPECTED;
}
LogDisabler::LogDisabler() {
initial_log_level_ = logging::GetMinLogLevel();
logging::SetMinLogLevel(logging::LOG_FATAL + 1);
}
LogDisabler::~LogDisabler() {
logging::SetMinLogLevel(initial_log_level_);
}
PathServiceOverrider::PathServiceOverrider(int key, const FilePath& path) {
key_ = key;
PathService::Get(key, &original_path_);
PathService::Override(key, path);
}
PathServiceOverrider::~PathServiceOverrider() {
PathService::Override(key_, original_path_);
}
namespace internal {
void WriteVariant(const VARIANT& var, ::std::ostream* os) {
*os << "{type=";
static struct {
VARTYPE vt;
const char *name;
} vartypes[] = {
#define TYP(x) { x, #x },
TYP(VT_EMPTY)
TYP(VT_NULL)
TYP(VT_I2)
TYP(VT_I4)
TYP(VT_R4)
TYP(VT_R8)
TYP(VT_CY)
TYP(VT_DATE)
TYP(VT_BSTR)
TYP(VT_DISPATCH)
TYP(VT_ERROR)
TYP(VT_BOOL)
TYP(VT_VARIANT)
TYP(VT_UNKNOWN)
TYP(VT_DECIMAL)
TYP(VT_I1)
TYP(VT_UI1)
TYP(VT_UI2)
TYP(VT_UI4)
TYP(VT_I8)
TYP(VT_UI8)
TYP(VT_INT)
TYP(VT_UINT)
TYP(VT_VOID)
TYP(VT_HRESULT)
TYP(VT_PTR)
TYP(VT_SAFEARRAY)
TYP(VT_CARRAY)
TYP(VT_USERDEFINED)
TYP(VT_LPSTR)
TYP(VT_LPWSTR)
TYP(VT_RECORD)
TYP(VT_INT_PTR)
TYP(VT_UINT_PTR)
TYP(VT_FILETIME)
TYP(VT_BLOB)
TYP(VT_STREAM)
TYP(VT_STORAGE)
TYP(VT_STREAMED_OBJECT)
TYP(VT_STORED_OBJECT)
TYP(VT_BLOB_OBJECT)
TYP(VT_CF)
TYP(VT_CLSID)
TYP(VT_VERSIONED_STREAM)
TYP(VT_BSTR_BLOB)
TYP(VT_ILLEGAL)
#undef TYP
};
bool found = false;
for (int i = 0; !found && i < ARRAYSIZE(vartypes); ++i) {
if (vartypes[i].vt == (var.vt & VT_TYPEMASK)) {
*os << vartypes[i].name;
found = true;
}
}
if (!found)
*os << "*ILLEGAL*";
#define ATTRBIT(x) if (var.vt & x) *os << "| " #x;
ATTRBIT(VT_VECTOR)
ATTRBIT(VT_ARRAY)
ATTRBIT(VT_BYREF)
ATTRBIT(VT_RESERVED)
#undef ATTRBIT
CComVariant copy;
if (SUCCEEDED(copy.ChangeType(VT_BSTR, &var))) {
*os << ", value=\""
<< WideToUTF8(std::wstring(copy.bstrVal, ::SysStringLen(copy.bstrVal)))
<< "\"";
}
*os << "}";
}
} // namespace testing::internal
} // namespace testing
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