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