org.scalamock.matchers.MatchEpsilon.scala Maven / Gradle / Ivy
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// Copyright (c) 2011-2015 ScalaMock Contributors (https://github.com/paulbutcher/ScalaMock/graphs/contributors)
//
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// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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package org.scalamock.matchers
import scala.math.abs
/** Matcher that matches all numbers that are close to a given value */
class MatchEpsilon(value: Double) extends MatcherBase {
override def canEqual(that: Any) = that.isInstanceOf[Number]
override def equals(that: Any) = that match {
case n: Number => abs(value - n.doubleValue) < MatchEpsilon.epsilon
case _ => false
}
override def toString = "~" + value
}
object MatchEpsilon {
val epsilon = 0.001
}