| /* |
| * Copyright 2019 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.benchmark.test |
| |
| import android.view.ViewGroup |
| import androidx.activity.ComponentActivity |
| import androidx.benchmark.junit4.BenchmarkRule |
| import androidx.benchmark.junit4.measureRepeated |
| import androidx.test.filters.LargeTest |
| import androidx.ui.core.AndroidOwner |
| import androidx.ui.core.ExperimentalLayoutNodeApi |
| import androidx.ui.core.LayoutNode |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.drawBehind |
| import androidx.ui.core.drawLayer |
| import androidx.ui.core.gesture.pressIndicatorGestureFilter |
| import androidx.ui.core.keyinput.ExperimentalKeyInput |
| import androidx.ui.core.keyinput.keyInputFilter |
| import androidx.ui.core.layoutId |
| import androidx.ui.core.onPositioned |
| import androidx.ui.core.semantics.semantics |
| import androidx.ui.core.setContent |
| import androidx.ui.core.zIndex |
| import androidx.compose.foundation.Box |
| import androidx.compose.foundation.layout.padding |
| import androidx.ui.test.DisableTransitions |
| import androidx.ui.unit.dp |
| import org.junit.Before |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.rules.TestRule |
| import org.junit.runner.Description |
| import org.junit.runner.RunWith |
| import org.junit.runners.Parameterized |
| import org.junit.runners.model.Statement |
| |
| /** |
| * Benchmark that sets the [LayoutNode.modifier]. |
| */ |
| @LargeTest |
| @RunWith(Parameterized::class) |
| @OptIn(ExperimentalLayoutNodeApi::class) |
| class LayoutNodeModifierBenchmark( |
| private val numberOfModifiers: Int |
| ) { |
| companion object { |
| @JvmStatic |
| @Parameterized.Parameters(name = "modifiers={0}") |
| fun initParameters(): Array<Any> = arrayOf(1, 5, 10) |
| } |
| |
| @get:Rule |
| val rule = SimpleAndroidBenchmarkRule() |
| |
| var modifiers = emptyList<Modifier>() |
| var combinedModifier: Modifier = Modifier |
| lateinit var layoutNode: LayoutNode |
| |
| @Before |
| @OptIn(ExperimentalKeyInput::class) |
| fun setup() { |
| modifiers = listOf( |
| Modifier.padding(10.dp), |
| Modifier.drawBehind { }, |
| Modifier.drawLayer(), |
| Modifier.keyInputFilter { _ -> true }, |
| Modifier.semantics { }, |
| Modifier.pressIndicatorGestureFilter(), |
| Modifier.layoutId("Hello"), |
| Modifier.padding(10.dp), |
| Modifier.onPositioned { _ -> }, |
| Modifier.zIndex(1f) |
| ).subList(0, numberOfModifiers) |
| |
| combinedModifier = modifiers.fold<Modifier, Modifier>(Modifier) { acc, modifier -> |
| acc + modifier |
| } |
| |
| rule.activityTestRule.runOnUiThread { |
| rule.activityTestRule.activity.setContent { Box() } |
| } |
| rule.activityTestRule.runOnUiThread { |
| val composeView = rule.findAndroidOwner() |
| val root = composeView.root |
| val selection = root.children[0] |
| check(selection.children.size == 1) { "Expecting only a Box" } |
| layoutNode = selection.children[0] |
| check(layoutNode.children.isEmpty()) { "Box should be empty" } |
| } |
| } |
| |
| @Test |
| fun setAndClearModifiers() { |
| rule.activityTestRule.runOnUiThread { |
| rule.benchmarkRule.measureRepeated { |
| layoutNode.modifier = combinedModifier |
| layoutNode.modifier = Modifier |
| } |
| } |
| } |
| |
| @Test |
| fun smallModifierChange() { |
| rule.activityTestRule.runOnUiThread { |
| val altModifier = Modifier.padding(10.dp) + combinedModifier |
| layoutNode.modifier = altModifier |
| |
| rule.benchmarkRule.measureRepeated { |
| layoutNode.modifier = combinedModifier |
| layoutNode.modifier = altModifier |
| } |
| } |
| } |
| |
| class SimpleAndroidBenchmarkRule() : TestRule { |
| @Suppress("DEPRECATION") |
| val activityTestRule = |
| androidx.test.rule.ActivityTestRule<ComponentActivity>(ComponentActivity::class.java) |
| |
| val benchmarkRule = BenchmarkRule() |
| |
| private val disableTransitionsRule = DisableTransitions() |
| |
| override fun apply(base: Statement, description: Description?): Statement { |
| val statement = benchmarkRule.apply( |
| activityTestRule.apply(base, description), description!!) |
| return disableTransitionsRule.apply(statement, description) |
| } |
| |
| fun findAndroidOwner(): AndroidOwner { |
| return activityTestRule.activity.findViewById<ViewGroup>(android.R.id.content) |
| .getChildAt(0) as AndroidOwner |
| } |
| } |
| } |