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      1 // Copyright (c) 2010 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 #import "chrome/browser/ui/cocoa/location_bar/keyword_hint_decoration.h"
      8 
      9 #include "base/utf_string_conversions.h"
     10 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
     11 #include "testing/gtest/include/gtest/gtest.h"
     12 
     13 namespace {
     14 
     15 class KeywordHintDecorationTest : public CocoaTest {
     16  public:
     17   KeywordHintDecorationTest()
     18       : decoration_(NULL) {
     19   }
     20 
     21   KeywordHintDecoration decoration_;
     22 };
     23 
     24 TEST_F(KeywordHintDecorationTest, GetWidthForSpace) {
     25   decoration_.SetVisible(true);
     26   decoration_.SetKeyword(ASCIIToUTF16("google"), false);
     27 
     28   const CGFloat kVeryWide = 1000.0;
     29   const CGFloat kFairlyWide = 100.0;  // Estimate for full hint space.
     30   const CGFloat kEditingSpace = 50.0;
     31 
     32   // Wider than the [tab] image when we have lots of space.
     33   EXPECT_NE(decoration_.GetWidthForSpace(kVeryWide),
     34             LocationBarDecoration::kOmittedWidth);
     35   EXPECT_GE(decoration_.GetWidthForSpace(kVeryWide), kFairlyWide);
     36 
     37   // When there's not enough space for the text, trims to something
     38   // narrower.
     39   const CGFloat full_width = decoration_.GetWidthForSpace(kVeryWide);
     40   const CGFloat not_wide_enough = full_width - 10.0;
     41   EXPECT_NE(decoration_.GetWidthForSpace(not_wide_enough),
     42             LocationBarDecoration::kOmittedWidth);
     43   EXPECT_LT(decoration_.GetWidthForSpace(not_wide_enough), full_width);
     44 
     45   // Even trims when there's enough space for everything, but it would
     46   // eat "too much".
     47   EXPECT_NE(decoration_.GetWidthForSpace(full_width + kEditingSpace),
     48             LocationBarDecoration::kOmittedWidth);
     49   EXPECT_LT(decoration_.GetWidthForSpace(full_width + kEditingSpace),
     50             full_width);
     51 
     52   // Omitted when not wide enough to fit even the image.
     53   const CGFloat image_width = decoration_.GetWidthForSpace(not_wide_enough);
     54   EXPECT_EQ(decoration_.GetWidthForSpace(image_width - 1.0),
     55             LocationBarDecoration::kOmittedWidth);
     56 }
     57 
     58 }  // namespace
     59