Track composition range and character bounds on the browser side (Mac)

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include <Cocoa/Cocoa.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <tuple>
@@ skipping 261 matching lines @@
     pool_.Recycle();
     base::RunLoop().RunUntilIdle();
     pool_.Recycle();
   }
 
   void DestroyHostViewRetainCocoaView() {
     test_rvh()->GetWidget()->SetView(nullptr);
     rwhv_mac_->Destroy();
   }
 
+  void ActivateViewWithTextInputManager(RenderWidgetHostViewBase* view,
+                                        ui::TextInputType type) {
+    TextInputState state;
+    state.type = type;
+    view->TextInputStateChanged(state);
+  }
+
  private:
   // This class isn't derived from PlatformTest.
   base::mac::ScopedNSAutoreleasePool pool_;
 
   RenderWidgetHostView* old_rwhv_;
 
  protected:
   RenderWidgetHostViewMac* rwhv_mac_;
   base::scoped_nsobject<RenderWidgetHostViewCocoa> rwhv_cocoa_;
 
@@ skipping 235 matching lines @@
         gfx::Range(1, 2).ToNSRange(),
         &rect,
         &actual_range));
   EXPECT_TRUE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
         gfx::Range(2, 2).ToNSRange(),
         &rect,
         &actual_range));
 }
 
 TEST_F(RenderWidgetHostViewMacTest, UpdateCompositionSinglelineCase) {
+  ActivateViewWithTextInputManager(rwhv_mac_, ui::TEXT_INPUT_TYPE_TEXT);
   const gfx::Point kOrigin(10, 11);
   const gfx::Size kBoundsUnit(10, 20);
 
   NSRect rect;
   // Make sure not crashing by passing NULL pointer instead of |actual_range|.
   EXPECT_FALSE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
       gfx::Range(0, 0).ToNSRange(),
       &rect,
       NULL));
 
@@ skipping 88 matching lines @@
       // |actual_range|.
       EXPECT_TRUE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
             request_range,
             &rect,
             NULL));
     }
   }
 }
 
 TEST_F(RenderWidgetHostViewMacTest, UpdateCompositionMultilineCase) {
+  ActivateViewWithTextInputManager(rwhv_mac_, ui::TEXT_INPUT_TYPE_TEXT);
   const gfx::Point kOrigin(10, 11);
   const gfx::Size kBoundsUnit(10, 20);
   NSRect rect;
 
   const int kCompositionLength = 30;
   std::vector<gfx::Rect> composition_bounds;
   const gfx::Range kCompositionRange(0, kCompositionLength);
   // Set breaking point at 10 and 20.
   std::vector<size_t> break_points;
   break_points.push_back(10);
@@ skipping 113 matching lines @@
   EXPECT_EQ(gfx::Range(10, 20), gfx::Range(actual_range));
   EXPECT_EQ(
       GetExpectedRect(kOrigin, kBoundsUnit, gfx::Range(0, 10), 1),
       gfx::Rect(NSRectToCGRect(rect)));
 }
 
 // Check that events coming from AppKit via -[NSTextInputClient
 // firstRectForCharacterRange:actualRange] are handled in a sane manner if they
 // arrive after the C++ RenderWidgetHostView is destroyed.
 TEST_F(RenderWidgetHostViewMacTest, CompositionEventAfterDestroy) {
+  ActivateViewWithTextInputManager(rwhv_mac_, ui::TEXT_INPUT_TYPE_TEXT);
   const gfx::Rect composition_bounds(0, 0, 30, 40);
   const gfx::Range range(0, 1);
   rwhv_mac_->ImeCompositionRangeChanged(
       range, std::vector<gfx::Rect>(1, composition_bounds));
 
   NSRange actual_range = NSMakeRange(0, 0);
 
   base::scoped_nsobject<CocoaTestHelperWindow> window(
       [[CocoaTestHelperWindow alloc] init]);
   [[window contentView] addSubview:rwhv_cocoa_];
@@ skipping 651 matching lines @@
   // Repeat for the tab's view.
   [rwhv_cocoa_ setMarkedText:text
                selectedRange:selectedRange
             replacementRange:replacementRange];
   EXPECT_TRUE([rwhv_cocoa_ hasMarkedText]);
   rwhv_mac_->ImeCancelComposition();
   EXPECT_FALSE([rwhv_cocoa_ hasMarkedText]);
 }
 
 }  // namespace content