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// Copyright 2013 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/base64.h"
#include "base/command_line.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/shell/browser/shell.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/compositor/compositor_switches.h"
#include "ui/gfx/codec/png_codec.h"
namespace content {
namespace {
const char kIdParam[] = "id";
const char kMethodParam[] = "method";
const char kParamsParam[] = "params";
}
class DevToolsProtocolTest : public ContentBrowserTest,
public DevToolsAgentHostClient {
protected:
void SendCommand(const std::string& method,
scoped_ptr<base::DictionaryValue> params) {
base::DictionaryValue command;
command.SetInteger(kIdParam, 1);
command.SetString(kMethodParam, method);
if (params)
command.Set(kParamsParam, params.release());
std::string json_command;
base::JSONWriter::Write(&command, &json_command);
agent_host_->DispatchProtocolMessage(json_command);
base::MessageLoop::current()->Run();
}
bool HasValue(const std::string& path) {
base::Value* value = 0;
return result_->Get(path, &value);
}
bool HasListItem(const std::string& path_to_list,
const std::string& name,
const std::string& value) {
base::ListValue* list;
if (!result_->GetList(path_to_list, &list))
return false;
for (size_t i = 0; i != list->GetSize(); i++) {
base::DictionaryValue* item;
if (!list->GetDictionary(i, &item))
return false;
std::string id;
if (!item->GetString(name, &id))
return false;
if (id == value)
return true;
}
return false;
}
scoped_ptr<base::DictionaryValue> result_;
scoped_refptr<DevToolsAgentHost> agent_host_;
private:
void SetUpOnMainThread() override {
agent_host_ = DevToolsAgentHost::GetOrCreateFor(shell()->web_contents());
agent_host_->AttachClient(this);
}
void TearDownOnMainThread() override {
agent_host_->DetachClient();
agent_host_ = NULL;
}
void DispatchProtocolMessage(DevToolsAgentHost* agent_host,
const std::string& message) override {
scoped_ptr<base::DictionaryValue> root(
static_cast<base::DictionaryValue*>(base::JSONReader::Read(message)));
base::DictionaryValue* result;
EXPECT_TRUE(root->GetDictionary("result", &result));
result_.reset(result->DeepCopy());
base::MessageLoop::current()->QuitNow();
}
void AgentHostClosed(DevToolsAgentHost* agent_host, bool replaced) override {
EXPECT_TRUE(false);
}
};
IN_PROC_BROWSER_TEST_F(DevToolsProtocolTest, QueryUsageAndQuota) {
scoped_ptr<base::DictionaryValue> params(new base::DictionaryValue);
params->SetString("securityOrigin", "http://example.com");
SendCommand("Page.queryUsageAndQuota", params.Pass());
EXPECT_TRUE(HasValue("quota.persistent"));
EXPECT_TRUE(HasValue("quota.temporary"));
EXPECT_TRUE(HasListItem("usage.temporary", "id", "appcache"));
EXPECT_TRUE(HasListItem("usage.temporary", "id", "database"));
EXPECT_TRUE(HasListItem("usage.temporary", "id", "indexeddatabase"));
EXPECT_TRUE(HasListItem("usage.temporary", "id", "filesystem"));
EXPECT_TRUE(HasListItem("usage.persistent", "id", "filesystem"));
}
class CaptureScreenshotTest : public DevToolsProtocolTest {
private:
#if !defined(OS_ANDROID)
void SetUpCommandLine(base::CommandLine* command_line) override {
command_line->AppendSwitch(switches::kEnablePixelOutputInTests);
}
#endif
};
// Does not link on Android
#if defined(OS_ANDROID)
#define MAYBE_CaptureScreenshot DISABLED_CaptureScreenshot
#elif defined(OS_MACOSX) // Fails on 10.9. http://crbug.com/430620
#define MAYBE_CaptureScreenshot DISABLED_CaptureScreenshot
#elif defined(MEMORY_SANITIZER)
// Also fails under MSAN. http://crbug.com/423583
#define MAYBE_CaptureScreenshot DISABLED_CaptureScreenshot
#else
#define MAYBE_CaptureScreenshot CaptureScreenshot
#endif
IN_PROC_BROWSER_TEST_F(CaptureScreenshotTest, MAYBE_CaptureScreenshot) {
shell()->LoadURL(GURL("about:blank"));
EXPECT_TRUE(content::ExecuteScript(
shell()->web_contents()->GetRenderViewHost(),
"document.body.style.background = '#123456'"));
SendCommand("Page.captureScreenshot", nullptr);
std::string base64;
EXPECT_TRUE(result_->GetString("data", &base64));
std::string png;
EXPECT_TRUE(base::Base64Decode(base64, &png));
SkBitmap bitmap;
gfx::PNGCodec::Decode(reinterpret_cast<const unsigned char*>(png.data()),
png.size(), &bitmap);
SkColor color(bitmap.getColor(0, 0));
EXPECT_TRUE(std::abs(0x12-(int)SkColorGetR(color)) <= 1);
EXPECT_TRUE(std::abs(0x34-(int)SkColorGetG(color)) <= 1);
EXPECT_TRUE(std::abs(0x56-(int)SkColorGetB(color)) <= 1);
}
} // namespace content
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