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// 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 "chrome/browser/ui/global_error/global_error_service.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/ui/global_error/global_error.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// Error base class that keeps track of the number of errors that exist.
class BaseError : public GlobalError {
public:
BaseError() { ++count_; }
~BaseError() override { --count_; }
static int count() { return count_; }
bool HasMenuItem() override { return false; }
int MenuItemCommandID() override {
ADD_FAILURE();
return 0;
}
base::string16 MenuItemLabel() override {
ADD_FAILURE();
return base::string16();
}
void ExecuteMenuItem(Browser* browser) override { ADD_FAILURE(); }
bool HasBubbleView() override { return false; }
bool HasShownBubbleView() override { return false; }
void ShowBubbleView(Browser* browser) override { ADD_FAILURE(); }
GlobalErrorBubbleViewBase* GetBubbleView() override { return NULL; }
private:
// This tracks the number BaseError objects that are currently instantiated.
static int count_;
DISALLOW_COPY_AND_ASSIGN(BaseError);
};
int BaseError::count_ = 0;
// A simple error that only has a menu item.
class MenuError : public BaseError {
public:
explicit MenuError(int command_id, Severity severity)
: command_id_(command_id),
severity_(severity) {
}
Severity GetSeverity() override { return severity_; }
bool HasMenuItem() override { return true; }
int MenuItemCommandID() override { return command_id_; }
base::string16 MenuItemLabel() override { return base::string16(); }
void ExecuteMenuItem(Browser* browser) override {}
private:
int command_id_;
Severity severity_;
DISALLOW_COPY_AND_ASSIGN(MenuError);
};
} // namespace
// Test adding errors to the global error service.
TEST(GlobalErrorServiceTest, AddError) {
scoped_ptr<GlobalErrorService> service(new GlobalErrorService(NULL));
EXPECT_EQ(0u, service->errors().size());
BaseError* error1 = new BaseError;
service->AddGlobalError(error1);
EXPECT_EQ(1u, service->errors().size());
EXPECT_EQ(error1, service->errors()[0]);
BaseError* error2 = new BaseError;
service->AddGlobalError(error2);
EXPECT_EQ(2u, service->errors().size());
EXPECT_EQ(error1, service->errors()[0]);
EXPECT_EQ(error2, service->errors()[1]);
// Ensure that deleting the service deletes the error objects.
EXPECT_EQ(2, BaseError::count());
service.reset();
EXPECT_EQ(0, BaseError::count());
}
// Test removing errors from the global error service.
TEST(GlobalErrorServiceTest, RemoveError) {
scoped_ptr<GlobalErrorService> service(new GlobalErrorService(NULL));
BaseError error1;
service->AddGlobalError(&error1);
BaseError error2;
service->AddGlobalError(&error2);
EXPECT_EQ(2u, service->errors().size());
service->RemoveGlobalError(&error1);
EXPECT_EQ(1u, service->errors().size());
EXPECT_EQ(&error2, service->errors()[0]);
service->RemoveGlobalError(&error2);
EXPECT_EQ(0u, service->errors().size());
// Ensure that deleting the service does not delete the error objects.
EXPECT_EQ(2, BaseError::count());
service.reset();
EXPECT_EQ(2, BaseError::count());
}
// Test finding errors by their menu item command ID.
TEST(GlobalErrorServiceTest, GetMenuItem) {
MenuError* error1 = new MenuError(1, GlobalError::SEVERITY_LOW);
MenuError* error2 = new MenuError(2, GlobalError::SEVERITY_MEDIUM);
MenuError* error3 = new MenuError(3, GlobalError::SEVERITY_HIGH);
GlobalErrorService service(NULL);
service.AddGlobalError(error1);
service.AddGlobalError(error2);
service.AddGlobalError(error3);
EXPECT_EQ(error2, service.GetGlobalErrorByMenuItemCommandID(2));
EXPECT_EQ(error3, service.GetGlobalErrorByMenuItemCommandID(3));
EXPECT_EQ(NULL, service.GetGlobalErrorByMenuItemCommandID(4));
}
// Test getting the error with the higest severity.
TEST(GlobalErrorServiceTest, HighestSeverity) {
MenuError* error1 = new MenuError(1, GlobalError::SEVERITY_LOW);
MenuError* error2 = new MenuError(2, GlobalError::SEVERITY_MEDIUM);
MenuError* error3 = new MenuError(3, GlobalError::SEVERITY_HIGH);
GlobalErrorService service(NULL);
EXPECT_EQ(NULL, service.GetHighestSeverityGlobalErrorWithWrenchMenuItem());
service.AddGlobalError(error1);
EXPECT_EQ(error1, service.GetHighestSeverityGlobalErrorWithWrenchMenuItem());
service.AddGlobalError(error2);
EXPECT_EQ(error2, service.GetHighestSeverityGlobalErrorWithWrenchMenuItem());
service.AddGlobalError(error3);
EXPECT_EQ(error3, service.GetHighestSeverityGlobalErrorWithWrenchMenuItem());
// Remove the highest-severity error.
service.RemoveGlobalError(error3);
delete error3;
// Now error2 should be the next highest severity error.
EXPECT_EQ(error2, service.GetHighestSeverityGlobalErrorWithWrenchMenuItem());
}
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