| /* |
| * 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 |
| |
| import androidx.compose.Composable |
| |
| /** |
| * To be implemented to provide a test case that is then executed by [ComposeTestRule] or can be |
| * used in benchmarks. |
| */ |
| interface ComposeTestCase { |
| /** |
| * This method is guaranteed to be called only once per class lifetime. In case a benchmark |
| * needs to measure initial composition / measure / layout / draw it re-creates this class |
| * every time it needs to call emitContent again. This ensures that any setup you do in this |
| * class is not shared between multiple calls of this method. So the init method is a good place |
| * to setup / clean your caches. |
| */ |
| @Composable |
| fun emitContent() |
| } |