1 /* 2 * Copyright 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.test.input 18 19 import android.platform.test.annotations.EnableFlags 20 import android.platform.test.flag.junit.SetFlagsRule 21 import android.view.KeyCharacterMap 22 import android.view.KeyEvent 23 import com.android.hardware.input.Flags 24 import org.junit.Assert.assertEquals 25 import org.junit.Assert.assertNull 26 import org.junit.Rule 27 import org.junit.Test 28 29 /** 30 * Tests for {@link KeyCharacterMap}. 31 * 32 * <p>Build/Install/Run: atest KeyCharacterMapTest 33 */ 34 class KeyCharacterMapTest { 35 @get:Rule val setFlagsRule = SetFlagsRule() 36 37 @Test 38 @EnableFlags(Flags.FLAG_REMOVE_FALLBACK_MODIFIERS) testGetFallbacknull39 fun testGetFallback() { 40 // Based off of VIRTUAL kcm fallbacks. 41 val keyCharacterMap = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD) 42 43 // One modifier fallback. 44 val oneModifierFallback = 45 keyCharacterMap.getFallbackAction(KeyEvent.KEYCODE_SPACE, KeyEvent.META_CTRL_ON) 46 assertEquals(KeyEvent.KEYCODE_LANGUAGE_SWITCH, oneModifierFallback.keyCode) 47 assertEquals(0, oneModifierFallback.metaState) 48 49 // Multiple modifier fallback. 50 val twoModifierFallback = 51 keyCharacterMap.getFallbackAction( 52 KeyEvent.KEYCODE_DEL, 53 KeyEvent.META_CTRL_ON or KeyEvent.META_ALT_ON, 54 ) 55 assertEquals(KeyEvent.KEYCODE_BACK, twoModifierFallback.keyCode) 56 assertEquals(0, twoModifierFallback.metaState) 57 58 // No default button, fallback only. 59 val keyOnlyFallback = keyCharacterMap.getFallbackAction(KeyEvent.KEYCODE_BUTTON_A, 0) 60 assertEquals(KeyEvent.KEYCODE_DPAD_CENTER, keyOnlyFallback.keyCode) 61 assertEquals(0, keyOnlyFallback.metaState) 62 63 // A key event that is not an exact match for a fallback. Expect a null return. 64 // E.g. Ctrl + Space -> LanguageSwitch 65 // Ctrl + Alt + Space -> Ctrl + Alt + Space (No fallback). 66 val noMatchFallback = 67 keyCharacterMap.getFallbackAction( 68 KeyEvent.KEYCODE_SPACE, 69 KeyEvent.META_CTRL_ON or KeyEvent.META_ALT_ON, 70 ) 71 assertNull(noMatchFallback) 72 } 73 } 74