| /* |
| * 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.test.cases |
| |
| import android.app.Activity |
| import androidx.compose.composer |
| import androidx.compose.Composable |
| import androidx.compose.FrameManager |
| import androidx.compose.State |
| import androidx.compose.state |
| import androidx.compose.unaryPlus |
| import androidx.ui.foundation.ColoredRect |
| import androidx.ui.core.dp |
| import androidx.ui.graphics.Color |
| import androidx.ui.layout.Column |
| import androidx.ui.test.ComposeMaterialIntoActivity |
| import androidx.ui.test.ComposeTestCase |
| |
| /** |
| * Test case that puts the given amount of rectangles into a column layout and makes changes by |
| * modifying the color used in the model. |
| * |
| * Note: Each rectangle has its own model so changes should always affect only the first one. |
| */ |
| class RectsInColumnTestCase( |
| activity: Activity, |
| private val amountOfRectangles: Int |
| ) : ComposeTestCase(activity) { |
| |
| private val states = mutableListOf<State<Color>>() |
| |
| override fun runSetup() { |
| compositionContext = ComposeMaterialIntoActivity(activity) { |
| Column { |
| repeat(amountOfRectangles) { |
| ColoredRectWithModel() |
| } |
| } |
| }!! |
| FrameManager.nextFrame() |
| |
| view = activity.findViewById(android.R.id.content) |
| |
| measure() |
| layout() |
| drawSlow() |
| } |
| |
| fun toggleState() { |
| val state = states.first() |
| if (state.value == Color.Purple) { |
| state.value = Color.Blue |
| } else { |
| state.value = Color.Purple |
| } |
| FrameManager.nextFrame() |
| } |
| |
| @Composable |
| fun ColoredRectWithModel() { |
| val state = +state { Color.Black } |
| states.add(state) |
| ColoredRect(color = state.value, width = 100.dp, height = 50.dp) |
| } |
| } |