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// 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
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