Home | History | Annotate | Download | only in controls 
      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
     90