Factor out a menu class for screen ui
Also consolidate the duplicate codes to draw the menu in ScreenRecoveryUI
and WearRecoveryUI. This helps us to support text icons as menu in the
future.
Bug: 74397117
Test: Check the menu under recovery on bullhead and a wear device.
Change-Id: Iba9b646c3828670f0e78a7e07d1a94a44e96bb0b
Merged-In: Iba9b646c3828670f0e78a7e07d1a94a44e96bb0b
diff --git a/tests/unit/screen_ui_test.cpp b/tests/unit/screen_ui_test.cpp
new file mode 100644
index 0000000..be6799f
--- /dev/null
+++ b/tests/unit/screen_ui_test.cpp
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "screen_ui.h"
+
+#include <string>
+
+#include <gtest/gtest.h>
+
+constexpr const char* HEADER[] = { "header", nullptr };
+constexpr const char* ITEMS[] = { "items1", "items2", "items3", "items4", "1234567890", nullptr };
+
+TEST(ScreenUITest, StartPhoneMenuSmoke) {
+ Menu menu(false, 10, 20);
+ ASSERT_FALSE(menu.scrollable());
+
+ menu.Start(HEADER, ITEMS, 0);
+ ASSERT_EQ(HEADER[0], menu.text_headers()[0]);
+ ASSERT_EQ(5u, menu.ItemsCount());
+
+ std::string message;
+ ASSERT_FALSE(menu.ItemsOverflow(&message));
+ for (size_t i = 0; i < menu.ItemsCount(); i++) {
+ ASSERT_EQ(ITEMS[i], menu.TextItem(i));
+ }
+
+ ASSERT_EQ(0, menu.selection());
+}
+
+TEST(ScreenUITest, StartWearMenuSmoke) {
+ Menu menu(true, 10, 8);
+ ASSERT_TRUE(menu.scrollable());
+
+ menu.Start(HEADER, ITEMS, 1);
+ ASSERT_EQ(HEADER[0], menu.text_headers()[0]);
+ ASSERT_EQ(5u, menu.ItemsCount());
+
+ std::string message;
+ ASSERT_FALSE(menu.ItemsOverflow(&message));
+ for (size_t i = 0; i < menu.ItemsCount() - 1; i++) {
+ ASSERT_EQ(ITEMS[i], menu.TextItem(i));
+ }
+ // Test of the last item is truncated
+ ASSERT_EQ("12345678", menu.TextItem(4));
+ ASSERT_EQ(1, menu.selection());
+}
+
+TEST(ScreenUITest, StartPhoneMenuItemsOverflow) {
+ Menu menu(false, 1, 20);
+ ASSERT_FALSE(menu.scrollable());
+
+ menu.Start(HEADER, ITEMS, 0);
+ ASSERT_EQ(1u, menu.ItemsCount());
+
+ std::string message;
+ ASSERT_FALSE(menu.ItemsOverflow(&message));
+ for (size_t i = 0; i < menu.ItemsCount(); i++) {
+ ASSERT_EQ(ITEMS[i], menu.TextItem(i));
+ }
+
+ ASSERT_EQ(0u, menu.MenuStart());
+ ASSERT_EQ(1u, menu.MenuEnd());
+}
+
+TEST(ScreenUITest, StartWearMenuItemsOverflow) {
+ Menu menu(true, 1, 20);
+ ASSERT_TRUE(menu.scrollable());
+
+ menu.Start(HEADER, ITEMS, 0);
+ ASSERT_EQ(5u, menu.ItemsCount());
+
+ std::string message;
+ ASSERT_TRUE(menu.ItemsOverflow(&message));
+ ASSERT_EQ("Current item: 1/5", message);
+
+ for (size_t i = 0; i < menu.ItemsCount(); i++) {
+ ASSERT_EQ(ITEMS[i], menu.TextItem(i));
+ }
+
+ ASSERT_EQ(0u, menu.MenuStart());
+ ASSERT_EQ(1u, menu.MenuEnd());
+}
+
+TEST(ScreenUITest, PhoneMenuSelectSmoke) {
+ Menu menu(false, 10, 20);
+
+ int sel = 0;
+ menu.Start(HEADER, ITEMS, sel);
+ // Mimic down button 10 times (2 * items size)
+ for (int i = 0; i < 10; i++) {
+ sel = menu.Select(++sel);
+ ASSERT_EQ(sel, menu.selection());
+
+ // Wraps the selection for unscrollable menu when it reaches the boundary.
+ int expected = (i + 1) % 5;
+ ASSERT_EQ(expected, menu.selection());
+
+ ASSERT_EQ(0u, menu.MenuStart());
+ ASSERT_EQ(5u, menu.MenuEnd());
+ }
+
+ // Mimic up button 10 times
+ for (int i = 0; i < 10; i++) {
+ sel = menu.Select(--sel);
+ ASSERT_EQ(sel, menu.selection());
+
+ int expected = (9 - i) % 5;
+ ASSERT_EQ(expected, menu.selection());
+
+ ASSERT_EQ(0u, menu.MenuStart());
+ ASSERT_EQ(5u, menu.MenuEnd());
+ }
+}
+
+TEST(ScreenUITest, WearMenuSelectSmoke) {
+ Menu menu(true, 10, 20);
+
+ int sel = 0;
+ menu.Start(HEADER, ITEMS, sel);
+ // Mimic pressing down button 10 times (2 * items size)
+ for (int i = 0; i < 10; i++) {
+ sel = menu.Select(++sel);
+ ASSERT_EQ(sel, menu.selection());
+
+ // Stops the selection at the boundary if the menu is scrollable.
+ int expected = std::min(i + 1, 4);
+ ASSERT_EQ(expected, menu.selection());
+
+ ASSERT_EQ(0u, menu.MenuStart());
+ ASSERT_EQ(5u, menu.MenuEnd());
+ }
+
+ // Mimic pressing up button 10 times
+ for (int i = 0; i < 10; i++) {
+ sel = menu.Select(--sel);
+ ASSERT_EQ(sel, menu.selection());
+
+ int expected = std::max(3 - i, 0);
+ ASSERT_EQ(expected, menu.selection());
+
+ ASSERT_EQ(0u, menu.MenuStart());
+ ASSERT_EQ(5u, menu.MenuEnd());
+ }
+}
+
+TEST(ScreenUITest, WearMenuSelectItemsOverflow) {
+ Menu menu(true, 3, 20);
+
+ int sel = 1;
+ menu.Start(HEADER, ITEMS, sel);
+ ASSERT_EQ(5u, menu.ItemsCount());
+
+ // Scroll the menu to the end, and check the start & end of menu.
+ for (int i = 0; i < 3; i++) {
+ sel = menu.Select(++sel);
+ ASSERT_EQ(i + 2, sel);
+ ASSERT_EQ(static_cast<size_t>(i), menu.MenuStart());
+ ASSERT_EQ(static_cast<size_t>(i + 3), menu.MenuEnd());
+ }
+
+ // Press down button one more time won't change the MenuStart() and MenuEnd().
+ sel = menu.Select(++sel);
+ ASSERT_EQ(4, sel);
+ ASSERT_EQ(2u, menu.MenuStart());
+ ASSERT_EQ(5u, menu.MenuEnd());
+
+ // Scroll the menu to the top.
+ // The expected menu sel, start & ends are:
+ // sel 3, start 2, end 5
+ // sel 2, start 2, end 5
+ // sel 1, start 1, end 4
+ // sel 0, start 0, end 3
+ for (int i = 0; i < 4; i++) {
+ sel = menu.Select(--sel);
+ ASSERT_EQ(3 - i, sel);
+ ASSERT_EQ(static_cast<size_t>(std::min(3 - i, 2)), menu.MenuStart());
+ ASSERT_EQ(static_cast<size_t>(std::min(6 - i, 5)), menu.MenuEnd());
+ }
+
+ // Press up button one more time won't change the MenuStart() and MenuEnd().
+ sel = menu.Select(--sel);
+ ASSERT_EQ(0, sel);
+ ASSERT_EQ(0u, menu.MenuStart());
+ ASSERT_EQ(3u, menu.MenuEnd());
+}