Implement stop/go button for Linux

chrome/browser/gtk/go_button_gtk_unittest.cc

Index: chrome/browser/gtk/go_button_gtk_unittest.cc
diff --git a/chrome/browser/gtk/go_button_gtk_unittest.cc b/chrome/browser/gtk/go_button_gtk_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..723f587e6998f0c9070ae648121a8662c8c1e6e3
--- /dev/null
+++ b/chrome/browser/gtk/go_button_gtk_unittest.cc
@@ -0,0 +1,130 @@
+// Copyright (c) 2009 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 "chrome/browser/gtk/go_button_gtk.h"
+#include "base/task.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class GoButtonGtkPeer {
+ public:
+  explicit GoButtonGtkPeer(GoButtonGtk* go) : go_(go) { }
+
+  // const accessors for internal state
+  GoButtonGtk::Mode intended_mode() const { return go_->intended_mode_; }
+  GoButtonGtk::Mode visible_mode() const { return go_->visible_mode_; }
+
+  // mutable accessors for internal state
+  ScopedRunnableMethodFactory<GoButtonGtk>* stop_timer() {
+    return &go_->stop_timer_;
+  }
+
+  // mutators for internal state
+  void set_state(GoButtonGtk::ButtonState state) { go_->state_ = state; }
+  void set_intended_mode(GoButtonGtk::Mode mode) { go_->intended_mode_ = mode; }
+  void set_visible_mode(GoButtonGtk::Mode mode) { go_->visible_mode_ = mode; }
+
+  // forwarders to private methods
+  Task* CreateButtonTimerTask() { return go_->CreateButtonTimerTask(); }
+  gboolean OnLeave() {
+    return GoButtonGtk::OnLeave(GTK_BUTTON(go_->widget()), go_);
+  }
+
+  gboolean OnClicked() {
+    return GoButtonGtk::OnClicked(GTK_BUTTON(go_->widget()), go_);
+  }
+
+ private:
+  GoButtonGtk* const go_;
+};
+
+namespace {
+
+class GoButtonGtkTest : public testing::Test {
+ protected:
+  GoButtonGtkTest() : go_(NULL), peer_(&go_) { }
+
+ protected:
+  GoButtonGtk go_;
+  GoButtonGtkPeer peer_;
+};
+
+TEST_F(GoButtonGtkTest, ChangeModeGo) {
+  go_.ChangeMode(GoButtonGtk::MODE_GO);
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.intended_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.visible_mode());
+}
+
+TEST_F(GoButtonGtkTest, ChangeModeStop) {
+  go_.ChangeMode(GoButtonGtk::MODE_GO);
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.intended_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.visible_mode());
+}
+
+TEST_F(GoButtonGtkTest, ScheduleChangeModeNormalGo) {
+  peer_.set_visible_mode(GoButtonGtk::MODE_STOP);
+  peer_.set_state(GoButtonGtk::BS_NORMAL);
+  go_.ScheduleChangeMode(GoButtonGtk::MODE_GO);
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.intended_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.visible_mode());
+}
+
+TEST_F(GoButtonGtkTest, ScheduleChangeModeHotGo) {
+  peer_.set_visible_mode(GoButtonGtk::MODE_STOP);
+  peer_.set_state(GoButtonGtk::BS_HOT);
+  go_.ScheduleChangeMode(GoButtonGtk::MODE_GO);
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.intended_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_STOP, peer_.visible_mode());
+}
+
+TEST_F(GoButtonGtkTest, ScheduleChangeModeNormalStop) {
+  peer_.set_visible_mode(GoButtonGtk::MODE_GO);
+  peer_.set_state(GoButtonGtk::BS_NORMAL);
+  go_.ScheduleChangeMode(GoButtonGtk::MODE_STOP);
+  EXPECT_EQ(GoButtonGtk::MODE_STOP, peer_.intended_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_STOP, peer_.visible_mode());
+}
+
+TEST_F(GoButtonGtkTest, ScheduleChangeModeHotStop) {
+  peer_.set_visible_mode(GoButtonGtk::MODE_GO);
+  peer_.set_state(GoButtonGtk::BS_HOT);
+  go_.ScheduleChangeMode(GoButtonGtk::MODE_STOP);
+  EXPECT_EQ(GoButtonGtk::MODE_STOP, peer_.intended_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_STOP, peer_.visible_mode());
+}
+
+TEST_F(GoButtonGtkTest, ScheduleChangeModeTimerHotStop) {
+  peer_.set_visible_mode(GoButtonGtk::MODE_GO);
+  peer_.set_state(GoButtonGtk::BS_HOT);
+  scoped_ptr<Task> task(peer_.CreateButtonTimerTask());
+  go_.ScheduleChangeMode(GoButtonGtk::MODE_STOP);
+  EXPECT_EQ(GoButtonGtk::MODE_STOP, peer_.intended_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.visible_mode());
+}
+
+TEST_F(GoButtonGtkTest, OnLeaveIntendedStop) {
+  peer_.set_state(GoButtonGtk::BS_HOT);
+  peer_.set_visible_mode(GoButtonGtk::MODE_GO);
+  peer_.set_intended_mode(GoButtonGtk::MODE_STOP);
+  EXPECT_TRUE(peer_.OnLeave());
+  EXPECT_EQ(GoButtonGtk::MODE_STOP, peer_.visible_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_STOP, peer_.intended_mode());
+}
+
+TEST_F(GoButtonGtkTest, OnLeaveIntendedGo) {
+  peer_.set_state(GoButtonGtk::BS_HOT);
+  peer_.set_visible_mode(GoButtonGtk::MODE_STOP);
+  peer_.set_intended_mode(GoButtonGtk::MODE_GO);
+  EXPECT_TRUE(peer_.OnLeave());
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.visible_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.intended_mode());
+}
+
+TEST_F(GoButtonGtkTest, OnClickedStop) {
+  peer_.set_visible_mode(GoButtonGtk::MODE_STOP);
+  EXPECT_TRUE(peer_.OnClicked());
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.visible_mode());
+  EXPECT_EQ(GoButtonGtk::MODE_GO, peer_.intended_mode());
+}
+
+}  // namespace