Use the Kotlin Test JS framework in the Java library for performance testing

Use the Kotlin Test JS framework in the Java library for performance testing With the popularity of Kotlin in the Java ecosystem, many Java developers have begun to use Kotlin in their projects.Kotlin Test JS is a test framework for Kotlin to easily write and run JavaScript performance testing.This framework allows developers to measure and optimize their JavaScript performance by writing simple and powerful code. Compared with other test frameworks, Kotlin Test JS has many advantages.First of all, it provides a simple and powerful API that can be used to write performance testing cases.These APIs enable developers to define test scenes, perform testing, and measure execution time in a simple way. The performance test using Kotlin Test JS is very simple.Below is an example code of a Java class library of demonstration performance testing: import kotlin.test.Test import org.jetbrains.kotest.matchers.doubles.shouldBeGreaterThan import kotlin.time.ExperimentalTime import kotlin.time.measureTime @OptIn(ExperimentalTime::class) class PerformanceTest { @Test fun calculateSumPerformanceTest() { val numbers = (1..1000000).toList() val elapsed = measureTime { val sum = numbers.sum() sum.shouldBeGreaterThan(0) } println("Elapsed time: ${elapsed.toMillis()} ms") } } In this example, we define a performance test method called the performance test method called the `CalculatersumperFormancetest ()`.We generate a list containing 10,000,000 numbers and using the `Measuretime` function to measure the sum of the time and time.Finally, we asserted that the results of the calculation were greater than 0 and exported the time to the console. To use the Kotlin Test JS framework in the Java library for performance testing, you need to add corresponding dependencies to the project.The following code can be implemented by adding the following code to the project's build.gradle file: groovy dependencies { testImplementation "io.kotest:kotest-runner-junit5-jvm:$kotestVersion" testImplementation "io.kotest:kotest-assertions-core-jvm:$kotestVersion" testImplementation "io.kotest:kotest-property-jvm:$kotestVersion" testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutinesVersion" testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutinesVersion" testImplementation "io.kotest.extensions:kotest-extensions-junit5-jvm:$kotestVersion" } Among them, the `koteStversion` and` coroutinesversion` is the version number of the Kotlin Test JS and KOTLIN correction libraries you want to use. By using the Kotlin Test JS framework, you can easily write and run the JavaScript performance test, and evaluate and optimize your code by measuring the execution time.This will help you ensure that your application can provide the best performance and response capabilities in high negative loads.