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// Copyright (c) 2011 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 "chrome/browser/renderer_host/text_input_client_mac.h"
#include "base/bind.h"
#include "base/message_loop.h"
#include "base/threading/thread.h"
#include "chrome/common/text_input_client_messages.h"
#include "chrome/test/testing_profile.h"
#include "content/browser/renderer_host/mock_render_process_host.h"
#include "content/browser/renderer_host/render_process_host.h"
#include "content/browser/renderer_host/render_widget_host.h"
#include "ipc/ipc_test_sink.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/gtest_mac.h"
namespace {
// 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_(MessageLoop::TYPE_UI),
profile_(),
process_factory_(),
widget_(process_factory_.CreateRenderProcessHost(&profile_), 1),
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 base::Closure& task) {
const int64 kTaskDelayMs = 200;
thread_.message_loop()->PostDelayedTask(FROM_HERE, task, kTaskDelayMs);
}
RenderWidgetHost* widget() {
return &widget_;
}
IPC::TestSink& ipc_sink() {
return static_cast<MockRenderProcessHost*>(widget()->process())->sink();
}
private:
friend class ScopedTestingThread;
MessageLoop message_loop_;
TestingProfile profile_;
// Gets deleted when the last RWH in the "process" gets destroyed.
MockRenderProcessHostFactory process_factory_;
RenderWidgetHost 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_;
};
// Test Cases //////////////////////////////////////////////////////////////////
TEST_F(TextInputClientMacTest, GetCharacterIndex) {
ScopedTestingThread thread(this);
const NSUInteger kSuccessValue = 42;
PostTask(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, GetRectForRange) {
ScopedTestingThread thread(this);
const NSRect kSuccessValue = NSMakeRect(42, 43, 44, 45);
PostTask(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];
scoped_nsobject<NSAttributedString> kSuccessValue(
[[NSAttributedString alloc] initWithString:@"Barney is a purple dinosaur"
attributes:attributes]);
PostTask(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
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