GTK Keyboard Support for New Autofill

chrome/browser/autofill/autofill_popup_unittest.cc

+// Copyright (c) 2012 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 "base/memory/scoped_ptr.h"
+#include "chrome/browser/autofill/autofill_popup_view.h"
+#include "chrome/browser/autofill/test_autofill_external_delegate.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace {
+
+class MockAutofillExternalDelegate : public TestAutofillExternalDelegate {
+ public:
+  MockAutofillExternalDelegate() : TestAutofillExternalDelegate(NULL, NULL) {};
+  virtual ~MockAutofillExternalDelegate() {};
+
+  virtual void SelectAutofillSuggestionAtIndex(int unique_id, int list_index)
+      OVERRIDE {}
+};
+
+class TestAutofillPopupView : public AutofillPopupView {
+ public:
+  explicit TestAutofillPopupView(AutofillExternalDelegate* external_delegate) :
+      AutofillPopupView(NULL, external_delegate) {
+    std::vector<string16> autofill_values;
+    autofill_values.push_back(string16());
+    autofill_values.push_back(string16());
+
+    std::vector<int> autofill_ids;
+    autofill_ids.push_back(0);
+    autofill_ids.push_back(1);
+
+    Show(autofill_values, autofill_values, autofill_values, autofill_ids, 0);
+  }
+  virtual ~TestAutofillPopupView() {}
+
+  // Making protected functions public for testing
+  const std::vector<string16>& autofill_values() const {
+    return AutofillPopupView::autofill_values();
+  }
+  int selected_line() const {
+    return AutofillPopupView::selected_line();
+  }
+  void SetSelectedLine(size_t selected_line) {
+    AutofillPopupView::SetSelectedLine(selected_line);
+  }
+  void SelectNextLine() {
+    AutofillPopupView::SelectNextLine();
+  }
+  void SelectPreviousLine() {
+    AutofillPopupView::SelectPreviousLine();
+  }
+
+  MOCK_METHOD1(InvalidateRow, void(size_t));
+
+ private:
+  virtual void ShowInternal() OVERRIDE {}
+  virtual void HideInternal() OVERRIDE {}
+};
+
+}  // namespace
+
+class AutofillPopupViewUnitTest : public ::testing::Test {
+ public:
+  AutofillPopupViewUnitTest() {
+    autofill_popup_view_.reset(new TestAutofillPopupView(&external_delegate_));
+  }
+  virtual ~AutofillPopupViewUnitTest() {}
+
+  scoped_ptr<TestAutofillPopupView> autofill_popup_view_;
+
+ private:
+  MockAutofillExternalDelegate external_delegate_;
+};
+
+TEST_F(AutofillPopupViewUnitTest, ChangeSelectedLine) {
+  EXPECT_LT(autofill_popup_view_->selected_line(), 0);
+  // Check that there are at least 2 values so that the first and last selection
+  // are different.
+  EXPECT_GE(2,
+            static_cast<int>(autofill_popup_view_->autofill_values().size()));
+
+  // Test wrapping before the front.
+  autofill_popup_view_->SelectPreviousLine();
+  EXPECT_EQ(
+      static_cast<int>(autofill_popup_view_->autofill_values().size() - 1),
+      autofill_popup_view_->selected_line());
+
+  // Test wrapping after the end.
+  autofill_popup_view_->SelectNextLine();
+  EXPECT_EQ(0, autofill_popup_view_->selected_line());
+}
+
+TEST_F(AutofillPopupViewUnitTest, RedrawSelectedLine) {
+  // Make sure that when a new line is selected, it is invalidated so it can
+  // be updated to show it is selected.
+  int selected_line = 0;
+  EXPECT_CALL(*autofill_popup_view_, InvalidateRow(selected_line));
+  autofill_popup_view_->SetSelectedLine(selected_line);
+
+  // Ensure that the row isn't invalidated if it didn't change.
+  EXPECT_CALL(*autofill_popup_view_, InvalidateRow(selected_line)).Times(0);
+  autofill_popup_view_->SetSelectedLine(selected_line);
+
+  // Change back to no selection.
+  EXPECT_CALL(*autofill_popup_view_, InvalidateRow(selected_line));
+  autofill_popup_view_->SetSelectedLine(-1);
+}