|
Scala example source code file (Statistics.scala)
The Scala Statistics.scala source code/* NEST (New Scala Test) * Copyright 2007-2011 LAMP/EPFL * @author Philipp Haller */ package scala.tools package partest import scala.collection.mutable.HashMap trait Statistics { /** Only collected when --stats is given. */ lazy val testStatistics = new HashMap[String, Long] /** Given function and block of code, evaluates code block, * calls function with milliseconds elapsed, and returns block result. */ def timed[T](f: Long => Unit)(body: => T): T = { val start = System.currentTimeMillis val result = body val end = System.currentTimeMillis f(end - start) result } /** Times body and returns both values. */ def timed2[T](body: => T): (Long, T) = { var milliSeconds = 0L val result = timed(x => milliSeconds = x)(body) (milliSeconds, result) } def resultsToStatistics(results: Iterable[(_, Int)]): (Int, Int) = (results partition (_._2 == 0)) match { case (winners, losers) => (winners.size, losers.size) } def recordTestTiming(name: String, milliseconds: Long) = synchronized { testStatistics(name) = milliseconds } def showTestStatistics() { testStatistics.toList sortBy (-_._2) foreach { case (k, v) => println("%s: %.2f seconds".format(k, (v.toDouble / 1000))) } } } Other Scala examples (source code examples)Here is a short list of links related to this Scala Statistics.scala source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.