/*
 * Copyright (C) 2023 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 com.android.intentresolver.util

import java.util.concurrent.Executor

class TestExecutor(private val immediate: Boolean = false) : Executor {
    private var pendingCommands = ArrayDeque<Runnable>()

    val pendingCommandCount: Int
        get() = pendingCommands.size

    override fun execute(command: Runnable) {
        if (immediate) {
            command.run()
        } else {
            pendingCommands.add(command)
        }
    }

    fun runUntilIdle() {
        while (pendingCommands.isNotEmpty()) {
            pendingCommands.removeFirst().run()
        }
    }
}