It is time.

ui/views/controls/prefix_selector_unittest.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/views/controls/prefix_selector.h"
-
-#include <string>
-
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "ui/views/controls/prefix_delegate.h"
-#include "ui/views/test/views_test_base.h"
-
-using base::ASCIIToUTF16;
-
-namespace views {
-
-class TestPrefixDelegate : public PrefixDelegate {
- public:
-  TestPrefixDelegate() : selected_row_(0) {
-    rows_.push_back(ASCIIToUTF16("aardvark"));
-    rows_.push_back(ASCIIToUTF16("antelope"));
-    rows_.push_back(ASCIIToUTF16("badger"));
-    rows_.push_back(ASCIIToUTF16("gnu"));
-  }
-
-  virtual ~TestPrefixDelegate() {}
-
-  virtual int GetRowCount() override {
-    return static_cast<int>(rows_.size());
-  }
-
-  virtual int GetSelectedRow() override {
-    return selected_row_;
-  }
-
-  virtual void SetSelectedRow(int row) override {
-    selected_row_ = row;
-  }
-
-  virtual base::string16 GetTextForRow(int row) override {
-    return rows_[row];
-  }
-
- private:
-  std::vector<base::string16> rows_;
-  int selected_row_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestPrefixDelegate);
-};
-
-class PrefixSelectorTest : public ViewsTestBase {
- public:
-  PrefixSelectorTest() {
-    selector_.reset(new PrefixSelector(&delegate_));
-  }
-
- protected:
-  scoped_ptr<PrefixSelector> selector_;
-  TestPrefixDelegate delegate_;
-
- private:
-    DISALLOW_COPY_AND_ASSIGN(PrefixSelectorTest);
-};
-
-TEST_F(PrefixSelectorTest, PrefixSelect) {
-  selector_->InsertText(ASCIIToUTF16("an"));
-  EXPECT_EQ(1, delegate_.GetSelectedRow());
-
-  // Invoke OnViewBlur() to reset time.
-  selector_->OnViewBlur();
-  selector_->InsertText(ASCIIToUTF16("a"));
-  EXPECT_EQ(0, delegate_.GetSelectedRow());
-
-  selector_->OnViewBlur();
-  selector_->InsertText(ASCIIToUTF16("g"));
-  EXPECT_EQ(3, delegate_.GetSelectedRow());
-
-  selector_->OnViewBlur();
-  selector_->InsertText(ASCIIToUTF16("b"));
-  selector_->InsertText(ASCIIToUTF16("a"));
-  EXPECT_EQ(2, delegate_.GetSelectedRow());
-
-  selector_->OnViewBlur();
-  selector_->InsertText(ASCIIToUTF16("\t"));
-  selector_->InsertText(ASCIIToUTF16("b"));
-  selector_->InsertText(ASCIIToUTF16("a"));
-  EXPECT_EQ(2, delegate_.GetSelectedRow());
-}
-
-}  // namespace views