| /* |
| * Copyright 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. |
| */ |
| |
| package androidx.ui.engine.geometry |
| |
| import org.junit.Assert.assertEquals |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @RunWith(JUnit4::class) |
| class RectTest { |
| |
| companion object { |
| private const val DELTA = 0.01f |
| } |
| |
| @Test |
| fun `rect accessors`() { |
| val r = Rect.fromLTRB(1.0f, 3.0f, 5.0f, 7.0f) |
| assertEquals(1.0f, r.left, DELTA) |
| assertEquals(3.0f, r.top, DELTA) |
| assertEquals(5.0f, r.right, DELTA) |
| assertEquals(7.0f, r.bottom, DELTA) |
| } |
| |
| @Test |
| fun `rect created by width and height`() { |
| val r = Rect.fromLTWH(1.0f, 3.0f, 5.0f, 7.0f) |
| assertEquals(1.0f, r.left, DELTA) |
| assertEquals(3.0f, r.top, DELTA) |
| assertEquals(6.0f, r.right, DELTA) |
| assertEquals(10.0f, r.bottom, DELTA) |
| } |
| |
| @Test |
| fun `rect intersection`() { |
| val r1 = Rect.fromLTRB(0.0f, 0.0f, 100.0f, 100.0f) |
| val r2 = Rect.fromLTRB(50.0f, 50.0f, 200.0f, 200.0f) |
| val r3 = r1.intersect(r2) |
| assertEquals(50.0f, r3.left, DELTA) |
| assertEquals(50.0f, r3.top, DELTA) |
| assertEquals(100.0f, r3.right, DELTA) |
| assertEquals(100.0f, r3.bottom, DELTA) |
| val r4 = r2.intersect(r1) |
| assertEquals(r3, r4) |
| } |
| } |