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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/interaction/framework_specific_implementation.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ui {
namespace {
class SingletonBase : public FrameworkSpecificImplementation {};
class SingletonImpl1 : public SingletonBase {
public:
DECLARE_FRAMEWORK_SPECIFIC_METADATA()
};
DEFINE_FRAMEWORK_SPECIFIC_METADATA(SingletonImpl1)
class SingletonImpl2 : public SingletonBase {
public:
DECLARE_FRAMEWORK_SPECIFIC_METADATA()
};
DEFINE_FRAMEWORK_SPECIFIC_METADATA(SingletonImpl2)
} // namespace
TEST(FrameworkSpecificRegistrationListTest, MaybeRegister) {
FrameworkSpecificRegistrationList<SingletonBase> registration_list;
EXPECT_EQ(0U, registration_list.size());
registration_list.MaybeRegister<SingletonImpl1>();
EXPECT_EQ(1U, registration_list.size());
EXPECT_TRUE(registration_list[0].IsA<SingletonImpl1>());
}
TEST(FrameworkSpecificRegistrationListTest, MaybeRegister_Twice) {
FrameworkSpecificRegistrationList<SingletonBase> registration_list;
registration_list.MaybeRegister<SingletonImpl1>();
registration_list.MaybeRegister<SingletonImpl1>();
EXPECT_EQ(1U, registration_list.size());
EXPECT_TRUE(registration_list[0].IsA<SingletonImpl1>());
}
TEST(FrameworkSpecificRegistrationListTest, MaybeRegister_TwoDifferent) {
FrameworkSpecificRegistrationList<SingletonBase> registration_list;
registration_list.MaybeRegister<SingletonImpl1>();
registration_list.MaybeRegister<SingletonImpl2>();
EXPECT_EQ(2U, registration_list.size());
EXPECT_TRUE(registration_list[0].IsA<SingletonImpl1>());
EXPECT_TRUE(registration_list[1].IsA<SingletonImpl2>());
}
TEST(FrameworkSpecificRegistrationListTest, Iterator) {
FrameworkSpecificRegistrationList<SingletonBase> registration_list;
EXPECT_EQ(0U, registration_list.size());
registration_list.MaybeRegister<SingletonImpl1>();
registration_list.MaybeRegister<SingletonImpl2>();
auto it = registration_list.begin();
EXPECT_TRUE(it++->IsA<SingletonImpl1>());
EXPECT_TRUE(it->IsA<SingletonImpl2>());
EXPECT_TRUE(++it == registration_list.end());
}
} // namespace ui
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