| /* |
| * 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.unit |
| |
| import android.app.Activity |
| import android.util.TypedValue |
| import androidx.test.filters.SmallTest |
| import org.junit.Assert.assertEquals |
| import org.junit.Before |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @SmallTest |
| @RunWith(JUnit4::class) |
| class DpDeviceTest { |
| @Suppress("DEPRECATION") |
| @get:Rule |
| val activityTestRule = androidx.test.rule.ActivityTestRule<TestActivity>( |
| TestActivity::class.java |
| ) |
| |
| private lateinit var activity: Activity |
| |
| @Before |
| fun setup() { |
| activity = activityTestRule.activity |
| } |
| |
| @Test |
| fun dimensionCalculation() { |
| val dm = activity.resources.displayMetrics |
| val dp10InPx = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 10f, dm) |
| with(Density(activity)) { |
| assertEquals(dp10InPx, 10.dp.toPx(), 0.01f) |
| } |
| } |
| |
| companion object { |
| class TestActivity : Activity() |
| } |
| } |