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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #import "ui/views/cocoa/bridged_native_widget.h"
      6 
      7 #import <Cocoa/Cocoa.h>
      8 
      9 #include "base/memory/scoped_ptr.h"
     10 #import "testing/gtest_mac.h"
     11 #import "ui/gfx/test/ui_cocoa_test_helper.h"
     12 #import "ui/views/cocoa/bridged_content_view.h"
     13 #include "ui/views/ime/input_method.h"
     14 #include "ui/views/view.h"
     15 
     16 namespace views {
     17 
     18 class BridgedNativeWidgetTest : public ui::CocoaTest {
     19  public:
     20   BridgedNativeWidgetTest();
     21   virtual ~BridgedNativeWidgetTest();
     22 
     23   // testing::Test:
     24   virtual void SetUp() OVERRIDE;
     25   virtual void TearDown() OVERRIDE;
     26 
     27  protected:
     28   // TODO(tapted): Make this a EventCountView from widget_unittest.cc.
     29   scoped_ptr<views::View> view_;
     30   scoped_ptr<BridgedNativeWidget> bridge_;
     31 
     32  private:
     33   DISALLOW_COPY_AND_ASSIGN(BridgedNativeWidgetTest);
     34 };
     35 
     36 BridgedNativeWidgetTest::BridgedNativeWidgetTest() {
     37 }
     38 
     39 BridgedNativeWidgetTest::~BridgedNativeWidgetTest() {
     40 }
     41 
     42 void BridgedNativeWidgetTest::SetUp() {
     43   ui::CocoaTest::SetUp();
     44 
     45   view_.reset(new views::View);
     46   bridge_.reset(new BridgedNativeWidget);
     47   base::scoped_nsobject<NSWindow> window([test_window() retain]);
     48   bridge_->Init(window);
     49   bridge_->SetRootView(view_.get());
     50 
     51   [test_window() makePretendKeyWindowAndSetFirstResponder:bridge_->ns_view()];
     52 }
     53 
     54 void BridgedNativeWidgetTest::TearDown() {
     55   [test_window() clearPretendKeyWindowAndFirstResponder];
     56 
     57   bridge_.reset();
     58   view_.reset();
     59 
     60   ui::CocoaTest::TearDown();
     61 }
     62 
     63 // The TEST_VIEW macro expects the view it's testing to have a superview. In
     64 // these tests, the NSView bridge is a contentView, at the root. These mimic
     65 // what TEST_VIEW usually does.
     66 TEST_F(BridgedNativeWidgetTest, BridgedNativeWidgetTest_TestViewAddRemove) {
     67   base::scoped_nsobject<BridgedContentView> view([bridge_->ns_view() retain]);
     68   EXPECT_NSEQ([test_window() contentView], view);
     69   EXPECT_NSEQ(test_window(), [view window]);
     70 
     71   // The superview of a contentView is an NSNextStepFrame.
     72   EXPECT_TRUE([view superview]);
     73   EXPECT_TRUE([view hostedView]);
     74 
     75   // Destroying the C++ bridge should remove references to any C++ objects in
     76   // the ObjectiveC object, and remove it from the hierarchy.
     77   bridge_.reset();
     78   EXPECT_FALSE([view hostedView]);
     79   EXPECT_FALSE([view superview]);
     80   EXPECT_FALSE([view window]);
     81   EXPECT_FALSE([test_window() contentView]);
     82 }
     83 
     84 TEST_F(BridgedNativeWidgetTest, BridgedNativeWidgetTest_TestViewDisplay) {
     85   [bridge_->ns_view() display];
     86 }
     87 
     88 // Test that resizing the window resizes the root view appropriately.
     89 TEST_F(BridgedNativeWidgetTest, ViewSizeTracksWindow) {
     90   const int kTestNewWidth = 400;
     91   const int kTestNewHeight = 300;
     92 
     93   // |test_window()| is borderless, so these should align.
     94   NSSize window_size = [test_window() frame].size;
     95   EXPECT_EQ(view_->width(), static_cast<int>(window_size.width));
     96   EXPECT_EQ(view_->height(), static_cast<int>(window_size.height));
     97 
     98   // Make sure a resize actually occurs.
     99   EXPECT_NE(kTestNewWidth, view_->width());
    100   EXPECT_NE(kTestNewHeight, view_->height());
    101 
    102   [test_window() setFrame:NSMakeRect(0, 0, kTestNewWidth, kTestNewHeight)
    103                   display:NO];
    104   EXPECT_EQ(kTestNewWidth, view_->width());
    105   EXPECT_EQ(kTestNewHeight, view_->height());
    106 }
    107 
    108 TEST_F(BridgedNativeWidgetTest, CreateInputMethod) {
    109   scoped_ptr<views::InputMethod> input_method(bridge_->CreateInputMethod());
    110   EXPECT_TRUE(input_method);
    111 }
    112 
    113 TEST_F(BridgedNativeWidgetTest, GetHostInputMethod) {
    114   EXPECT_TRUE(bridge_->GetHostInputMethod());
    115 }
    116 
    117 }  // namespace views
    118