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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.
#import "content/browser/renderer_host/text_input_client_mac.h"
#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "base/threading/thread.h"
#include "content/browser/renderer_host/render_process_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_delegate.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/text_input_client_message_filter.h"
#include "content/common/text_input_client_messages.h"
#include "content/public/test/mock_render_process_host.h"
#include "content/public/test/test_browser_context.h"
#include "ipc/ipc_test_sink.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/gtest_mac.h"
namespace content {
namespace {
const int64 kTaskDelayMs = 200;
class MockRenderWidgetHostDelegate : public RenderWidgetHostDelegate {
public:
MockRenderWidgetHostDelegate() {}
virtual ~MockRenderWidgetHostDelegate() {}
};
// This test does not test the WebKit side of the dictionary system (which
// performs the actual data fetching), but rather this just tests that the
// service's signaling system works.
class TextInputClientMacTest : public testing::Test {
public:
TextInputClientMacTest()
: message_loop_(base::MessageLoop::TYPE_UI),
browser_context_(),
process_factory_(),
delegate_(),
widget_(&delegate_,
process_factory_.CreateRenderProcessHost(
&browser_context_, NULL),
MSG_ROUTING_NONE, false),
thread_("TextInputClientMacTestThread") {}
// Accessor for the TextInputClientMac instance.
TextInputClientMac* service() {
return TextInputClientMac::GetInstance();
}
// Helper method to post a task on the testing thread's MessageLoop after
// a short delay.
void PostTask(const tracked_objects::Location& from_here,
const base::Closure& task) {
PostTask(from_here, task, base::TimeDelta::FromMilliseconds(kTaskDelayMs));
}
void PostTask(const tracked_objects::Location& from_here,
const base::Closure& task,
const base::TimeDelta delay) {
thread_.message_loop()->PostDelayedTask(from_here, task, delay);
}
RenderWidgetHostImpl* widget() {
return &widget_;
}
IPC::TestSink& ipc_sink() {
return static_cast<MockRenderProcessHost*>(widget()->GetProcess())->sink();
}
private:
friend class ScopedTestingThread;
base::MessageLoop message_loop_;
TestBrowserContext browser_context_;
// Gets deleted when the last RWH in the "process" gets destroyed.
MockRenderProcessHostFactory process_factory_;
MockRenderWidgetHostDelegate delegate_;
RenderWidgetHostImpl widget_;
base::Thread thread_;
};
////////////////////////////////////////////////////////////////////////////////
// Helper class that Start()s and Stop()s a thread according to the scope of the
// object.
class ScopedTestingThread {
public:
ScopedTestingThread(TextInputClientMacTest* test) : thread_(test->thread_) {
thread_.Start();
}
~ScopedTestingThread() {
thread_.Stop();
}
private:
base::Thread& thread_;
};
// Adapter for OnMessageReceived to ignore return type so it can be posted
// to a MessageLoop.
void CallOnMessageReceived(scoped_refptr<TextInputClientMessageFilter> filter,
const IPC::Message& message,
bool* message_was_ok) {
filter->OnMessageReceived(message, message_was_ok);
}
} // namespace
// Test Cases //////////////////////////////////////////////////////////////////
TEST_F(TextInputClientMacTest, GetCharacterIndex) {
ScopedTestingThread thread(this);
const NSUInteger kSuccessValue = 42;
PostTask(FROM_HERE,
base::Bind(&TextInputClientMac::SetCharacterIndexAndSignal,
base::Unretained(service()), kSuccessValue));
NSUInteger index = service()->GetCharacterIndexAtPoint(
widget(), gfx::Point(2, 2));
EXPECT_EQ(1U, ipc_sink().message_count());
EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
TextInputClientMsg_CharacterIndexForPoint::ID));
EXPECT_EQ(kSuccessValue, index);
}
TEST_F(TextInputClientMacTest, TimeoutCharacterIndex) {
NSUInteger index = service()->GetCharacterIndexAtPoint(
widget(), gfx::Point(2, 2));
EXPECT_EQ(1U, ipc_sink().message_count());
EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
TextInputClientMsg_CharacterIndexForPoint::ID));
EXPECT_EQ(NSNotFound, index);
}
TEST_F(TextInputClientMacTest, NotFoundCharacterIndex) {
ScopedTestingThread thread(this);
const NSUInteger kPreviousValue = 42;
const size_t kNotFoundValue = static_cast<size_t>(-1);
// Set an arbitrary value to ensure the index is not |NSNotFound|.
PostTask(FROM_HERE,
base::Bind(&TextInputClientMac::SetCharacterIndexAndSignal,
base::Unretained(service()), kPreviousValue));
scoped_refptr<TextInputClientMessageFilter> filter(
new TextInputClientMessageFilter(widget()->GetProcess()->GetID()));
scoped_ptr<IPC::Message> message(
new TextInputClientReplyMsg_GotCharacterIndexForPoint(
widget()->GetRoutingID(), kNotFoundValue));
bool message_ok = true;
// Set |WTF::notFound| to the index |kTaskDelayMs| after the previous
// setting.
PostTask(FROM_HERE,
base::Bind(&CallOnMessageReceived, filter, *message, &message_ok),
base::TimeDelta::FromMilliseconds(kTaskDelayMs) * 2);
NSUInteger index = service()->GetCharacterIndexAtPoint(
widget(), gfx::Point(2, 2));
EXPECT_EQ(kPreviousValue, index);
index = service()->GetCharacterIndexAtPoint(widget(), gfx::Point(2, 2));
EXPECT_EQ(NSNotFound, index);
EXPECT_EQ(2U, ipc_sink().message_count());
for (size_t i = 0; i < ipc_sink().message_count(); ++i) {
const IPC::Message* ipc_message = ipc_sink().GetMessageAt(i);
EXPECT_EQ(ipc_message->type(),
TextInputClientMsg_CharacterIndexForPoint::ID);
}
}
TEST_F(TextInputClientMacTest, GetRectForRange) {
ScopedTestingThread thread(this);
const NSRect kSuccessValue = NSMakeRect(42, 43, 44, 45);
PostTask(FROM_HERE,
base::Bind(&TextInputClientMac::SetFirstRectAndSignal,
base::Unretained(service()), kSuccessValue));
NSRect rect = service()->GetFirstRectForRange(widget(), NSMakeRange(0, 32));
EXPECT_EQ(1U, ipc_sink().message_count());
EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
TextInputClientMsg_FirstRectForCharacterRange::ID));
EXPECT_TRUE(NSEqualRects(kSuccessValue, rect));
}
TEST_F(TextInputClientMacTest, TimeoutRectForRange) {
NSRect rect = service()->GetFirstRectForRange(widget(), NSMakeRange(0, 32));
EXPECT_EQ(1U, ipc_sink().message_count());
EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
TextInputClientMsg_FirstRectForCharacterRange::ID));
EXPECT_TRUE(NSEqualRects(NSZeroRect, rect));
}
TEST_F(TextInputClientMacTest, GetSubstring) {
ScopedTestingThread thread(this);
NSDictionary* attributes =
[NSDictionary dictionaryWithObject:[NSColor purpleColor]
forKey:NSForegroundColorAttributeName];
base::scoped_nsobject<NSAttributedString> kSuccessValue(
[[NSAttributedString alloc] initWithString:@"Barney is a purple dinosaur"
attributes:attributes]);
PostTask(FROM_HERE,
base::Bind(&TextInputClientMac::SetSubstringAndSignal,
base::Unretained(service()),
base::Unretained(kSuccessValue.get())));
NSAttributedString* string = service()->GetAttributedSubstringFromRange(
widget(), NSMakeRange(0, 32));
EXPECT_NSEQ(kSuccessValue, string);
EXPECT_NE(kSuccessValue.get(), string); // |string| should be a copy.
EXPECT_EQ(1U, ipc_sink().message_count());
EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
TextInputClientMsg_StringForRange::ID));
}
TEST_F(TextInputClientMacTest, TimeoutSubstring) {
NSAttributedString* string = service()->GetAttributedSubstringFromRange(
widget(), NSMakeRange(0, 32));
EXPECT_EQ(nil, string);
EXPECT_EQ(1U, ipc_sink().message_count());
EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
TextInputClientMsg_StringForRange::ID));
}
} // namespace content
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