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 androidx.compose.testutils 18 19 import androidx.compose.foundation.shape.CircleShape 20 import androidx.compose.ui.geometry.Offset 21 import androidx.compose.ui.geometry.Size 22 import androidx.compose.ui.graphics.Path 23 import androidx.compose.ui.graphics.RectangleShape 24 import androidx.compose.ui.graphics.addOutline 25 import androidx.compose.ui.unit.Density 26 import androidx.compose.ui.unit.LayoutDirection 27 import androidx.test.ext.junit.runners.AndroidJUnit4 28 import androidx.test.filters.SmallTest 29 import org.junit.Test 30 import org.junit.runner.RunWith 31 32 @SmallTest 33 @RunWith(AndroidJUnit4::class) 34 class PathContainsTest { 35 @Test testRectangleContainsnull36 fun testRectangleContains() { 37 val errors = mutableListOf<String>() 38 val path = Path() 39 path.addOutline( 40 RectangleShape.createOutline(Size(1f, 1f), LayoutDirection.Ltr, Density(1f)) 41 ) 42 fun assertContains(point: Offset, expected: Boolean) { 43 if (path.contains(point) != expected) { 44 val toBeOrNotToBe = if (expected) "be" else "not be" 45 errors.add( 46 "Point(${point.x}, ${point.y}) should $toBeOrNotToBe within the Rect(0, 0, 1, 1)" 47 ) 48 } 49 } 50 // Verify the corners 51 assertContains(Offset(0f, 0f), true) 52 assertContains(Offset(0f, 1f), true) 53 assertContains(Offset(1f, 0f), true) 54 assertContains(Offset(1f, 1f), true) 55 // Verify just outside the corners 56 assertContains(Offset(-.1f, -.1f), false) 57 assertContains(Offset(0f, -.1f), false) 58 assertContains(Offset(1f, -.1f), false) 59 assertContains(Offset(1.1f, -.1f), false) 60 assertContains(Offset(1.1f, 0f), false) 61 assertContains(Offset(1.1f, 1f), false) 62 assertContains(Offset(1.1f, 1.1f), false) 63 assertContains(Offset(1f, 1.1f), false) 64 assertContains(Offset(0f, 1.1f), false) 65 assertContains(Offset(-.1f, 1.1f), false) 66 assertContains(Offset(-.1f, 1f), false) 67 assertContains(Offset(-.1f, 0f), false) 68 69 if (errors.isNotEmpty()) { 70 throw AssertionError("Found the following errors:\n${errors.joinToString("\n")}") 71 } 72 } 73 74 @Test testCircleContainsnull75 fun testCircleContains() { 76 val path = Path() 77 path.addOutline(CircleShape.createOutline(Size(50f, 50f), LayoutDirection.Ltr, Density(1f))) 78 path.translate(Offset(25f, 25f)) 79 val errors = mutableListOf<String>() 80 fun assertContains(point: Offset, expected: Boolean) { 81 if (path.contains(point) != expected) { 82 val toBeOrNotToBe = if (expected) "be" else "not be" 83 errors.add( 84 "Point(${point.x}, ${point.y}) should $toBeOrNotToBe within the Circle(50x50)" 85 ) 86 } 87 } 88 assertContains(Offset(25f, 25f), false) 89 assertContains(Offset(50f, 25f), true) 90 assertContains(Offset(75f, 25f), false) 91 assertContains(Offset(25f, 50f), true) 92 assertContains(Offset(50f, 50f), true) 93 assertContains(Offset(75f, 50f), true) 94 assertContains(Offset(25f, 75f), false) 95 assertContains(Offset(50f, 75f), true) 96 assertContains(Offset(75f, 75f), false) 97 98 if (errors.isNotEmpty()) { 99 throw AssertionError("Found the following errors:\n${errors.joinToString("\n")}") 100 } 101 } 102 } 103