JUnit-Double-Equals

[info] Loading global plugins from /Users/clhodapp/.sbt/0.13/plugins
[info] Set current project to tmp (in build file:/Users/clhodapp/tmp/)
> set libraryDependencies += "junit" % "junit" % "latest.release"
[info] Defining *:libraryDependencies
[info] The new value will be used by *:allDependencies
[info] Reapplying settings...
[info] Set current project to tmp (in build file:/Users/clhodapp/tmp/)
> console
[info] Updating {file:/Users/clhodapp/tmp/}tmp...
[info] Resolving org.fusesource.jansi#jansi;1.4 ...
[info] downloading http://repo1.maven.org/maven2/junit/junit/4.11/junit-4.11.jar ...
[info] 	[SUCCESSFUL ] junit#junit;4.11!junit.jar (862ms)
[info] downloading http://repo1.maven.org/maven2/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar ...
[info] 	[SUCCESSFUL ] org.hamcrest#hamcrest-core;1.3!hamcrest-core.jar (398ms)
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[info] Starting scala interpreter...
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Welcome to Scala version 2.10.3 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_45).
Type in expressions to have them evaluated.
Type :help for more information.

scala> import org.junit.Assert._
import org.junit.Assert._

scala> assertEquals(-0.0, 0.0)
warning: there were 1 deprecation warning(s); re-run with -deprecation for details
java.lang.AssertionError: Use assertEquals(expected, actual, delta) to compare floating-point numbers
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertEquals(Assert.java:576)
	at org.junit.Assert.assertEquals(Assert.java:565)
	at .<init>(<console>:11)
	at .<clinit>(<console>)
	at .<init>(<console>:7)
	at .<clinit>(<console>)
	at $print(<console>)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:734)
	at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:983)
	at scala.tools.nsc.interpreter.IMain.loadAndRunReq$1(IMain.scala:573)
	at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:604)
	at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:568)
	at scala.tools.nsc.interpreter.ILoop.reallyInterpret$1(ILoop.scala:756)
	at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:801)
	at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:713)
	at scala.tools.nsc.interpreter.ILoop.processLine$1(ILoop.scala:577)
	at scala.tools.nsc.interpreter.ILoop.innerLoop$1(ILoop.scala:584)
	at scala.tools.nsc.interpreter.ILoop.loop(ILoop.scala:587)
	at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILoop.scala:878)
	at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:833)
	at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:833)
	at scala.tools.nsc.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:135)
	at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:833)
	at scala.tools.nsc.interpreter.ILoop.main(ILoop.scala:900)
	at xsbt.ConsoleInterface.run(ConsoleInterface.scala:69)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:102)
	at sbt.compiler.AnalyzingCompiler.console(AnalyzingCompiler.scala:77)
	at sbt.Console.sbt$Console$$console0$1(Console.scala:23)
	at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply$mcV$sp(Console.scala:24)
	at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:24)
	at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:24)
	at sbt.Logger$$anon$4.apply(Logger.scala:90)
	at sbt.TrapExit$App.run(TrapExit.scala:244)
	at java.lang.Thread.run(Thread.java:744)


scala> assertEquals(-0.0, 0.0, 0.0)

scala> 0.0 == -0.0
res2: Boolean = true

scala> 0.0 equals -0.0
res3: Boolean = false