/*
 * Copyright 2021 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
 *
 *      https://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 com.google.accompanist.internal.test

import android.os.Looper
import com.google.common.truth.Truth.assertThat
import java.util.concurrent.TimeoutException

fun waitUntil(timeoutMillis: Long = 2_000, condition: () -> Boolean) {
    if (Looper.getMainLooper() == Looper.myLooper()) {
        assertThat(condition()).isTrue()
    }

    val startTime = System.nanoTime()
    while (!condition()) {
        // Let Android run measure, draw and in general any other async operations.
        Thread.sleep(10)
        if (System.nanoTime() - startTime > timeoutMillis * 1_000_000) {
            throw TimeoutException("Condition still not satisfied after $timeoutMillis ms")
        }
    }
}
