| // 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/macros.h" |
| #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 View, 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")); |
| } |
| |
| ~TestPrefixDelegate() override {} |
| |
| int GetRowCount() override { return static_cast<int>(rows_.size()); } |
| |
| int GetSelectedRow() override { return selected_row_; } |
| |
| void SetSelectedRow(int row) override { selected_row_ = row; } |
| |
| 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_, &delegate_)); |
| } |
| ~PrefixSelectorTest() override { |
| // Explicitly release |selector_| here which can happen before releasing |
| // |delegate_|. |
| selector_.reset(); |
| } |
| |
| protected: |
| std::unique_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 |