1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package androidx.compose.testutils
18 
19 import androidx.activity.ComponentActivity
20 import java.util.concurrent.CountDownLatch
21 
22 class AndroidComposeTestCaseSetup(
23     private val testCase: ComposeTestCase,
24     private val activity: ComponentActivity
25 ) : ComposeTestCaseSetup {
performTestWithEventsControlnull26     override fun performTestWithEventsControl(block: ComposeExecutionControl.() -> Unit) {
27         var error: Throwable? = null
28         val latch = CountDownLatch(1)
29         activity.runOnUiThread {
30             // TODO: Ensure that no composition exists at this stage!
31             val runner = AndroidComposeTestCaseRunner({ testCase }, activity)
32             try {
33                 runner.setupContent()
34                 block.invoke(runner)
35             } catch (t: Throwable) {
36                 error = t
37             } finally {
38                 runner.disposeContent()
39                 runner.close()
40                 latch.countDown()
41             }
42         }
43         latch.await()
44         error?.let { throw it }
45     }
46 }
47