| /* |
| * 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.benchmarkDrawPerf |
| import androidx.ui.benchmark.benchmarkFirstCompose |
| import androidx.ui.benchmark.benchmarkFirstDraw |
| import androidx.ui.benchmark.benchmarkFirstLayout |
| import androidx.ui.benchmark.benchmarkFirstMeasure |
| import androidx.ui.benchmark.benchmarkLayoutPerf |
| import androidx.ui.benchmark.toggleStateBenchmarkDraw |
| import androidx.ui.benchmark.toggleStateBenchmarkLayout |
| import androidx.ui.benchmark.toggleStateBenchmarkMeasure |
| import androidx.ui.benchmark.toggleStateBenchmarkRecompose |
| import androidx.ui.core.Layout |
| import androidx.ui.core.offset |
| import androidx.ui.unit.Dp |
| import androidx.ui.unit.dp |
| import androidx.ui.layout.Container |
| import androidx.ui.layout.LayoutPadding |
| import androidx.ui.test.ComposeTestCase |
| import androidx.ui.integration.test.ToggleableTestCase |
| import androidx.ui.layout.EdgeInsets |
| import androidx.ui.unit.min |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @LargeTest |
| @RunWith(JUnit4::class) |
| class PaddingBenchmark { |
| @get:Rule |
| val benchmarkRule = ComposeBenchmarkRule() |
| |
| private val noModifierCaseFactory = { NoModifierTestCase() } |
| private val modifierCaseFactory = { ModifierTestCase() } |
| |
| @Test |
| fun noModifier_first_compose() { |
| benchmarkRule.benchmarkFirstCompose(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun noModifier_first_measure() { |
| benchmarkRule.benchmarkFirstMeasure(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun noModifier_first_layout() { |
| benchmarkRule.benchmarkFirstLayout(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun noModifier_first_draw() { |
| benchmarkRule.benchmarkFirstDraw(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun noModifier_togglePadding_recompose() { |
| benchmarkRule.toggleStateBenchmarkRecompose(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun noModifier_togglePadding_measure() { |
| benchmarkRule.toggleStateBenchmarkMeasure(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun noModifier_togglePadding_layout() { |
| benchmarkRule.toggleStateBenchmarkLayout(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun noModifier_togglePadding_draw() { |
| benchmarkRule.toggleStateBenchmarkDraw(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun noModifier_layout() { |
| benchmarkRule.benchmarkLayoutPerf(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun noModifier_draw() { |
| benchmarkRule.benchmarkDrawPerf(noModifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_first_compose() { |
| benchmarkRule.benchmarkFirstCompose(modifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_first_measure() { |
| benchmarkRule.benchmarkFirstMeasure(modifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_first_layout() { |
| benchmarkRule.benchmarkFirstLayout(modifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_first_draw() { |
| benchmarkRule.benchmarkFirstDraw(modifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_togglePadding_recompose() { |
| benchmarkRule.toggleStateBenchmarkRecompose(modifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_togglePadding_measure() { |
| benchmarkRule.toggleStateBenchmarkMeasure(modifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_togglePadding_layout() { |
| benchmarkRule.toggleStateBenchmarkLayout(modifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_togglePadding_draw() { |
| benchmarkRule.toggleStateBenchmarkDraw(modifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_layout() { |
| benchmarkRule.benchmarkLayoutPerf(modifierCaseFactory) |
| } |
| |
| @Test |
| fun modifier_draw() { |
| benchmarkRule.benchmarkDrawPerf(modifierCaseFactory) |
| } |
| } |
| |
| private sealed class PaddingTestCase : ComposeTestCase, |
| ToggleableTestCase { |
| |
| var paddingState: MutableState<Dp>? = null |
| |
| override fun toggleState() { |
| with(paddingState!!) { |
| value = if (value == 5.dp) 10.dp else 5.dp |
| } |
| } |
| |
| @Composable |
| override fun emitContent() { |
| val padding = state { 5.dp } |
| paddingState = padding |
| |
| Container(expanded = true) { |
| emitPaddedContainer(padding.value) { |
| emitPaddedContainer(padding.value) { |
| emitPaddedContainer(padding.value) { |
| emitPaddedContainer(padding.value) { |
| emitPaddedContainer(padding.value) {} |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| @Composable |
| abstract fun emitPaddedContainer(padding: Dp, child: @Composable() () -> Unit) |
| } |
| |
| private class ModifierTestCase : PaddingTestCase() { |
| |
| @Composable |
| override fun emitPaddedContainer(padding: Dp, child: @Composable() () -> Unit) { |
| Container(expanded = true, modifier = LayoutPadding(padding), children = child) |
| } |
| } |
| |
| private class NoModifierTestCase : PaddingTestCase() { |
| |
| @Composable |
| override fun emitPaddedContainer(padding: Dp, child: @Composable() () -> Unit) { |
| Container(expanded = true) { |
| Padding(all = padding, children = child) |
| } |
| } |
| } |
| |
| // The Padding composable function has been removed in favour of modifier. Keeping this private |
| // implementation to benchmark it against a modifier. |
| @Composable |
| private fun Padding( |
| all: Dp, |
| children: @Composable() () -> Unit |
| ) { |
| val padding = EdgeInsets(all) |
| Layout(children) { measurables, constraints, _ -> |
| val measurable = measurables.firstOrNull() |
| if (measurable == null) { |
| layout(constraints.minWidth, constraints.minHeight) { } |
| } else { |
| val paddingLeft = padding.left.toIntPx() |
| val paddingTop = padding.top.toIntPx() |
| val paddingRight = padding.right.toIntPx() |
| val paddingBottom = padding.bottom.toIntPx() |
| val horizontalPadding = (paddingLeft + paddingRight) |
| val verticalPadding = (paddingTop + paddingBottom) |
| |
| val newConstraints = constraints.offset(-horizontalPadding, -verticalPadding) |
| val placeable = measurable.measure(newConstraints) |
| val width = |
| min(placeable.width + horizontalPadding, constraints.maxWidth) |
| val height = |
| min(placeable.height + verticalPadding, constraints.maxHeight) |
| |
| layout(width, height) { |
| placeable.place(paddingLeft, paddingTop) |
| } |
| } |
| } |
| } |