| /* |
| * 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 androidx.compose.Composable |
| import androidx.compose.MutableState |
| import androidx.compose.state |
| import androidx.test.filters.LargeTest |
| import androidx.ui.benchmark.ComposeBenchmarkRule |
| import androidx.ui.benchmark.benchmarkFirstCompose |
| import androidx.ui.benchmark.toggleStateBenchmarkRecompose |
| import androidx.ui.core.Modifier |
| import androidx.compose.foundation.Box |
| import androidx.ui.integration.test.ToggleableTestCase |
| import androidx.compose.foundation.layout.Column |
| import androidx.compose.foundation.layout.preferredWidth |
| import androidx.ui.test.ComposeTestCase |
| import androidx.ui.unit.dp |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @LargeTest |
| @RunWith(JUnit4::class) |
| class TrailingLambdaBenchmark { |
| @get:Rule |
| val benchmarkRule = ComposeBenchmarkRule() |
| |
| @Test |
| fun withTrailingLambdas_compose() { |
| benchmarkRule.benchmarkFirstCompose { WithTrailingLambdas() } |
| } |
| |
| @Test |
| fun withTrailingLambdas_recompose() { |
| benchmarkRule.toggleStateBenchmarkRecompose { WithTrailingLambdas() } |
| } |
| |
| @Test |
| fun withoutTrailingLambdas_compose() { |
| benchmarkRule.benchmarkFirstCompose { WithoutTrailingLambdas() } |
| } |
| |
| @Test |
| fun withoutTrailingLambdas_recompose() { |
| benchmarkRule.toggleStateBenchmarkRecompose { WithoutTrailingLambdas() } |
| } |
| } |
| |
| private sealed class TrailingLambdaTestCase() : ComposeTestCase, |
| ToggleableTestCase { |
| |
| var numberState: MutableState<Int>? = null |
| |
| @Composable |
| override fun emitContent() { |
| val number = state { 5 } |
| numberState = number |
| |
| val content = @Composable { |
| Box(Modifier.preferredWidth(10.dp)) |
| } |
| |
| Column { |
| repeat(10) { |
| emitContent(number = number.value, content = content) |
| } |
| } |
| } |
| |
| override fun toggleState() { |
| with(numberState!!) { |
| value = if (value == 5) 10 else 5 |
| } |
| } |
| |
| @Composable |
| abstract fun emitContent(number: Int, content: @Composable () -> Unit) |
| } |
| |
| private class WithTrailingLambdas : TrailingLambdaTestCase() { |
| @Composable |
| override fun emitContent(number: Int, content: @Composable () -> Unit) { |
| EmptyComposable(number = number) { |
| content() |
| } |
| } |
| } |
| |
| private class WithoutTrailingLambdas : TrailingLambdaTestCase() { |
| @Composable |
| override fun emitContent(number: Int, content: @Composable () -> Unit) { |
| EmptyComposable(number = number, children = content) |
| } |
| } |
| |
| @Suppress("UNUSED_PARAMETER") |
| @Composable |
| private fun EmptyComposable(number: Int, children: @Composable () -> Unit) { |
| } |