ui/views/controls/prefix_selector_unittest.cc

   1 // Copyright 2013 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 #include "ui/views/controls/prefix_selector.h"
   6
   7 #include <string>
   8
   9 #include "base/strings/string_util.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "ui/views/controls/prefix_delegate.h"
  12 #include "ui/views/test/views_test_base.h"
  13
  14 using base::ASCIIToUTF16;
  15
  16 namespace views {
  17
  18 class TestPrefixDelegate : public PrefixDelegate {
  19  public:
  20   TestPrefixDelegate() : selected_row_(0) {
  21     rows_.push_back(ASCIIToUTF16("aardvark"));
  22     rows_.push_back(ASCIIToUTF16("antelope"));
  23     rows_.push_back(ASCIIToUTF16("badger"));
  24     rows_.push_back(ASCIIToUTF16("gnu"));
  25   }
  26
  27   virtual ~TestPrefixDelegate() {}
  28
  29   virtual int GetRowCount() OVERRIDE {
  30     return static_cast<int>(rows_.size());
  31   }
  32
  33   virtual int GetSelectedRow() OVERRIDE {
  34     return selected_row_;
  35   }
  36
  37   virtual void SetSelectedRow(int row) OVERRIDE {
  38     selected_row_ = row;
  39   }
  40
  41   virtual base::string16 GetTextForRow(int row) OVERRIDE {
  42     return rows_[row];
  43   }
  44
  45  private:
  46   std::vector<base::string16> rows_;
  47   int selected_row_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(TestPrefixDelegate);
  50 };
  51
  52 class PrefixSelectorTest : public ViewsTestBase {
  53  public:
  54   PrefixSelectorTest() {
  55     selector_.reset(new PrefixSelector(&delegate_));
  56   }
  57
  58  protected:
  59   scoped_ptr<PrefixSelector> selector_;
  60   TestPrefixDelegate delegate_;
  61
  62  private:
  63     DISALLOW_COPY_AND_ASSIGN(PrefixSelectorTest);
  64 };
  65
  66 TEST_F(PrefixSelectorTest, PrefixSelect) {
  67   selector_->InsertText(ASCIIToUTF16("an"));
  68   EXPECT_EQ(1, delegate_.GetSelectedRow());
  69
  70   // Invoke OnViewBlur() to reset time.
  71   selector_->OnViewBlur();
  72   selector_->InsertText(ASCIIToUTF16("a"));
  73   EXPECT_EQ(0, delegate_.GetSelectedRow());
  74
  75   selector_->OnViewBlur();
  76   selector_->InsertText(ASCIIToUTF16("g"));
  77   EXPECT_EQ(3, delegate_.GetSelectedRow());
  78
  79   selector_->OnViewBlur();
  80   selector_->InsertText(ASCIIToUTF16("b"));
  81   selector_->InsertText(ASCIIToUTF16("a"));
  82   EXPECT_EQ(2, delegate_.GetSelectedRow());
  83
  84   selector_->OnViewBlur();
  85   selector_->InsertText(ASCIIToUTF16("\t"));
  86   selector_->InsertText(ASCIIToUTF16("b"));
  87   selector_->InsertText(ASCIIToUTF16("a"));
  88   EXPECT_EQ(2, delegate_.GetSelectedRow());
  89 }
  90
  91 }  // namespace views