diff --git a/tests/multivalentTests/src/com/android/launcher3/UtilitiesTest.kt b/tests/multivalentTests/src/com/android/launcher3/UtilitiesTest.kt new file mode 100644 index 0000000000..60a4197c99 --- /dev/null +++ b/tests/multivalentTests/src/com/android/launcher3/UtilitiesTest.kt @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2024 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. + */ + +package com.android.launcher3 + +import android.content.Context +import android.view.View +import android.view.ViewGroup +import androidx.test.core.app.ApplicationProvider.getApplicationContext +import androidx.test.ext.junit.runners.AndroidJUnit4 +import com.android.launcher3.util.ActivityContextWrapper +import org.junit.Assert.* +import org.junit.Before +import org.junit.Test +import org.junit.runner.RunWith + +@RunWith(AndroidJUnit4::class) +class UtilitiesTest { + + private lateinit var mContext: Context + + @Before + fun setUp() { + mContext = ActivityContextWrapper(getApplicationContext()) + } + + @Test + fun testIsPropertyEnabled() { + // This assumes the property "propertyName" is not enabled by default + assertFalse(Utilities.isPropertyEnabled("propertyName")) + } + + @Test + fun testGetDescendantCoordRelativeToAncestor() { + val ancestor = + object : ViewGroup(mContext) { + override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {} + } + val descendant = View(mContext) + + descendant.x = 50f + descendant.y = 30f + descendant.scaleX = 2f + descendant.scaleY = 2f + + ancestor.addView(descendant) + + val coord = floatArrayOf(10f, 15f) + val scale = + Utilities.getDescendantCoordRelativeToAncestor(descendant, ancestor, coord, false) + + assertEquals(2f, scale) // Expecting scale to be 2f + assertEquals(70f, coord[0]) + assertEquals(60f, coord[1]) + } + + @Test + fun testRoundArray() { + val floatArray = floatArrayOf(1.2f, 3.7f, 5.5f) + val intArray = IntArray(3) + Utilities.roundArray(floatArray, intArray) + assertArrayEquals(intArrayOf(1, 4, 6), intArray) + } + + @Test + fun testOffsetPoints() { + val points = floatArrayOf(1f, 2f, 3f, 4f) + Utilities.offsetPoints(points, 5f, 6f) + + val expected = listOf(6f, 8f, 8f, 10f) + assertEquals(expected, points.toList()) + } + + @Test + fun testPointInView() { + val view = View(mContext) + view.layout(0, 0, 100, 100) + + assertTrue(Utilities.pointInView(view, 50f, 50f, 0f)) // Inside view + assertFalse(Utilities.pointInView(view, -10f, -10f, 0f)) // Outside view + assertTrue(Utilities.pointInView(view, -5f, -5f, 10f)) // Inside slop + assertFalse(Utilities.pointInView(view, 115f, 115f, 10f)) // Outside slop + } +}