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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/browser/web_contents_user_data.h"
#include <memory>
#include "content/public/browser/web_contents.h"
#include "content/public/test/test_renderer_host.h"
#include "content/public/test/web_contents_tester.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
class WebContentsAttachedClass1
: public WebContentsUserData<WebContentsAttachedClass1> {
public:
~WebContentsAttachedClass1() override = default;
private:
explicit WebContentsAttachedClass1(WebContents* contents)
: WebContentsUserData<WebContentsAttachedClass1>(*contents) {}
friend class WebContentsUserData<WebContentsAttachedClass1>;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
WEB_CONTENTS_USER_DATA_KEY_IMPL(WebContentsAttachedClass1);
class WebContentsAttachedClass2
: public WebContentsUserData<WebContentsAttachedClass2> {
public:
~WebContentsAttachedClass2() override = default;
private:
explicit WebContentsAttachedClass2(WebContents* contents)
: WebContentsUserData<WebContentsAttachedClass2>(*contents) {}
friend class WebContentsUserData<WebContentsAttachedClass2>;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
WEB_CONTENTS_USER_DATA_KEY_IMPL(WebContentsAttachedClass2);
typedef RenderViewHostTestHarness WebContentsUserDataTest;
TEST_F(WebContentsUserDataTest, OneInstanceTwoAttachments) {
WebContents* contents = web_contents();
WebContentsAttachedClass1* class1 =
WebContentsAttachedClass1::FromWebContents(contents);
ASSERT_EQ(nullptr, class1);
WebContentsAttachedClass2* class2 =
WebContentsAttachedClass2::FromWebContents(contents);
ASSERT_EQ(nullptr, class2);
WebContentsAttachedClass1::CreateForWebContents(contents);
class1 = WebContentsAttachedClass1::FromWebContents(contents);
ASSERT_TRUE(class1 != nullptr);
class2 = WebContentsAttachedClass2::FromWebContents(contents);
ASSERT_EQ(nullptr, class2);
WebContentsAttachedClass2::CreateForWebContents(contents);
WebContentsAttachedClass1* class1again =
WebContentsAttachedClass1::FromWebContents(contents);
ASSERT_TRUE(class1again != nullptr);
class2 = WebContentsAttachedClass2::FromWebContents(contents);
ASSERT_TRUE(class2 != nullptr);
ASSERT_EQ(class1, class1again);
ASSERT_NE(static_cast<void*>(class1), static_cast<void*>(class2));
}
TEST_F(WebContentsUserDataTest, TwoInstancesOneAttachment) {
WebContents* contents1 = web_contents();
std::unique_ptr<WebContents> contents2(
WebContentsTester::CreateTestWebContents(browser_context(), nullptr));
WebContentsAttachedClass1* one_class =
WebContentsAttachedClass1::FromWebContents(contents1);
ASSERT_EQ(nullptr, one_class);
WebContentsAttachedClass1* two_class =
WebContentsAttachedClass1::FromWebContents(contents2.get());
ASSERT_EQ(nullptr, two_class);
WebContentsAttachedClass1::CreateForWebContents(contents1);
one_class = WebContentsAttachedClass1::FromWebContents(contents1);
ASSERT_TRUE(one_class != nullptr);
two_class = WebContentsAttachedClass1::FromWebContents(contents2.get());
ASSERT_EQ(nullptr, two_class);
WebContentsAttachedClass1::CreateForWebContents(contents2.get());
WebContentsAttachedClass1* one_class_again =
WebContentsAttachedClass1::FromWebContents(contents1);
ASSERT_TRUE(one_class_again != nullptr);
two_class = WebContentsAttachedClass1::FromWebContents(contents2.get());
ASSERT_TRUE(two_class != nullptr);
ASSERT_EQ(one_class, one_class_again);
ASSERT_NE(one_class, two_class);
}
TEST_F(WebContentsUserDataTest, Idempotence) {
WebContents* contents = web_contents();
WebContentsAttachedClass1* clazz =
WebContentsAttachedClass1::FromWebContents(contents);
ASSERT_EQ(nullptr, clazz);
WebContentsAttachedClass1::CreateForWebContents(contents);
clazz = WebContentsAttachedClass1::FromWebContents(contents);
ASSERT_TRUE(clazz != nullptr);
WebContentsAttachedClass1::CreateForWebContents(contents);
WebContentsAttachedClass1* class_again =
WebContentsAttachedClass1::FromWebContents(contents);
ASSERT_TRUE(class_again != nullptr);
ASSERT_EQ(clazz, class_again);
}
class NonCopyableNonMovableClass {
public:
explicit NonCopyableNonMovableClass(int value) : value_(value) {}
NonCopyableNonMovableClass(const NonCopyableNonMovableClass&) = delete;
NonCopyableNonMovableClass& operator=(const NonCopyableNonMovableClass&) =
delete;
NonCopyableNonMovableClass(NonCopyableNonMovableClass&&) = delete;
NonCopyableNonMovableClass& operator=(NonCopyableNonMovableClass&&) = delete;
int value() const { return value_; }
private:
int value_;
};
class AttachedClassWithParams
: public WebContentsUserData<AttachedClassWithParams> {
public:
~AttachedClassWithParams() override = default;
int param1() const { return param1_; }
int param2() const { return param2_; }
private:
friend class WebContentsUserData<AttachedClassWithParams>;
explicit AttachedClassWithParams(WebContents* contents,
int param1,
NonCopyableNonMovableClass&& param2)
: WebContentsUserData<AttachedClassWithParams>(*contents),
param1_(param1),
param2_(param2.value()) {}
int param1_;
int param2_;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
WEB_CONTENTS_USER_DATA_KEY_IMPL(AttachedClassWithParams);
TEST_F(WebContentsUserDataTest, CreateWithParameters) {
ASSERT_EQ(nullptr, AttachedClassWithParams::FromWebContents(web_contents()));
AttachedClassWithParams::CreateForWebContents(web_contents(), 1,
NonCopyableNonMovableClass(42));
auto* instance = AttachedClassWithParams::FromWebContents(web_contents());
ASSERT_NE(nullptr, instance);
EXPECT_EQ(1, instance->param1());
EXPECT_EQ(42, instance->param2());
}
} // namespace content
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