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      1 // Copyright (c) 2011 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 <Cocoa/Cocoa.h>
      6 
      7 #include "base/memory/scoped_nsobject.h"
      8 #import "chrome/browser/ui/cocoa/find_bar/find_bar_text_field_cell.h"
      9 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
     10 #include "testing/gtest/include/gtest/gtest.h"
     11 #include "testing/platform_test.h"
     12 
     13 @interface FindBarTextFieldCell (ExposedForTesting)
     14 - (NSAttributedString*)resultsString;
     15 @end
     16 
     17 @implementation FindBarTextFieldCell (ExposedForTesting)
     18 - (NSAttributedString*)resultsString {
     19   return resultsString_.get();
     20 }
     21 @end
     22 
     23 namespace {
     24 
     25 // Width of the field so that we don't have to ask |field_| for it all
     26 // the time.
     27 const CGFloat kWidth(300.0);
     28 
     29 // A narrow width for tests which test things that don't fit.
     30 const CGFloat kNarrowWidth(5.0);
     31 
     32 class FindBarTextFieldCellTest : public CocoaTest {
     33  public:
     34   FindBarTextFieldCellTest() {
     35     // Make sure this is wide enough to play games with the cell
     36     // decorations.
     37     const NSRect frame = NSMakeRect(0, 0, kWidth, 30);
     38 
     39     scoped_nsobject<FindBarTextFieldCell> cell(
     40         [[FindBarTextFieldCell alloc] initTextCell:@"Testing"]);
     41     cell_ = cell;
     42     [cell_ setEditable:YES];
     43     [cell_ setBordered:YES];
     44 
     45     scoped_nsobject<NSTextField> view(
     46         [[NSTextField alloc] initWithFrame:frame]);
     47     view_ = view;
     48     [view_ setCell:cell_];
     49 
     50     [[test_window() contentView] addSubview:view_];
     51   }
     52 
     53   NSTextField* view_;
     54   FindBarTextFieldCell* cell_;
     55 };
     56 
     57 // Basic view tests (AddRemove, Display).
     58 TEST_VIEW(FindBarTextFieldCellTest, view_);
     59 
     60 // Test drawing, mostly to ensure nothing leaks or crashes.
     61 TEST_F(FindBarTextFieldCellTest, FocusedDisplay) {
     62   [view_ display];
     63 
     64   // Test focused drawing.
     65   [test_window() makePretendKeyWindowAndSetFirstResponder:view_];
     66   [view_ display];
     67   [test_window() clearPretendKeyWindowAndFirstResponder];
     68 
     69   // Test display of various cell configurations.
     70   [cell_ setActiveMatch:4 of:30];
     71   [view_ display];
     72 
     73   [cell_ setActiveMatch:0 of:0];
     74   [view_ display];
     75 
     76   [cell_ clearResults];
     77   [view_ display];
     78 }
     79 
     80 // Verify that setting and clearing the find results changes the results string
     81 // appropriately.
     82 TEST_F(FindBarTextFieldCellTest, SetAndClearFindResults) {
     83   [cell_ setActiveMatch:10 of:30];
     84   scoped_nsobject<NSAttributedString> tenString([[cell_ resultsString] copy]);
     85   EXPECT_GT([tenString length], 0U);
     86 
     87   [cell_ setActiveMatch:0 of:0];
     88   scoped_nsobject<NSAttributedString> zeroString([[cell_ resultsString] copy]);
     89   EXPECT_GT([zeroString length], 0U);
     90   EXPECT_FALSE([tenString isEqualToAttributedString:zeroString]);
     91 
     92   [cell_ clearResults];
     93   EXPECT_EQ(0U, [[cell_ resultsString] length]);
     94 }
     95 
     96 TEST_F(FindBarTextFieldCellTest, TextFrame) {
     97   const NSRect bounds = [view_ bounds];
     98   NSRect textFrame = [cell_ textFrameForFrame:bounds];
     99   NSRect cursorFrame = [cell_ textCursorFrameForFrame:bounds];
    100 
    101   // At default settings, everything goes to the text area.
    102   EXPECT_FALSE(NSIsEmptyRect(textFrame));
    103   EXPECT_TRUE(NSContainsRect(bounds, textFrame));
    104   EXPECT_EQ(NSMinX(bounds), NSMinX(textFrame));
    105   EXPECT_EQ(NSMaxX(bounds), NSMaxX(textFrame));
    106   EXPECT_TRUE(NSEqualRects(cursorFrame, textFrame));
    107 
    108   // Setting an active match leaves text frame to left.
    109   [cell_ setActiveMatch:4 of:5];
    110   textFrame = [cell_ textFrameForFrame:bounds];
    111   cursorFrame = [cell_ textCursorFrameForFrame:bounds];
    112   EXPECT_FALSE(NSIsEmptyRect(textFrame));
    113   EXPECT_TRUE(NSContainsRect(bounds, textFrame));
    114   EXPECT_LT(NSMaxX(textFrame), NSMaxX(bounds));
    115   EXPECT_TRUE(NSEqualRects(cursorFrame, textFrame));
    116 
    117 }
    118 
    119 // The editor frame should be slightly inset from the text frame.
    120 TEST_F(FindBarTextFieldCellTest, DrawingRectForBounds) {
    121   const NSRect bounds = [view_ bounds];
    122   NSRect textFrame = [cell_ textFrameForFrame:bounds];
    123   NSRect drawingRect = [cell_ drawingRectForBounds:bounds];
    124 
    125   EXPECT_FALSE(NSIsEmptyRect(drawingRect));
    126   EXPECT_TRUE(NSContainsRect(textFrame, NSInsetRect(drawingRect, 1, 1)));
    127 
    128   [cell_ setActiveMatch:4 of:5];
    129   textFrame = [cell_ textFrameForFrame:bounds];
    130   drawingRect = [cell_ drawingRectForBounds:bounds];
    131   EXPECT_FALSE(NSIsEmptyRect(drawingRect));
    132   EXPECT_TRUE(NSContainsRect(textFrame, NSInsetRect(drawingRect, 1, 1)));
    133 }
    134 
    135 }  // namespace
    136