ScalaTest Assertions and Diagrammed Assertions

ScalaTestAssertions.scala

scala> import org.scalatest.Assertions._
import org.scalatest.Assertions._

scala> val x = 1
x: Int = 1

scala> assert(List(1, 2, 3).contains(x) && x > 1)
org.scalatest.exceptions.TestFailedException: List(1, 2, 3) contained 1, but 1 was not greater than 1
  at org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:541)
  at org.scalatest.Assertions$.newAssertionFailedException(Assertions.scala:1414)
  at org.scalatest.Assertions$AssertionsHelper.macroAssert(Assertions.scala:506)
  ... 43 elided

scala> import org.scalatest.DiagrammedAssertions._
import org.scalatest.DiagrammedAssertions._

scala> assert(List(1, 2, 3).contains(x) && x > 1)
org.scalatest.exceptions.TestFailedException:

assert(List(1, 2, 3).contains(x) && x > 1)
       |    |  |  |  |        |  |  | | |
       |    1  2  3  true     1  |  1 | 1
       List(1, 2, 3)             |    false
                                 false

  at org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:541)
  at org.scalatest.DiagrammedAssertions$.newAssertionFailedException(DiagrammedAssertions.scala:390)
  at org.scalatest.DiagrammedAssertions$DiagrammedAssertionsHelper.macroAssert(DiagrammedAssertions.scala:246)
  ... 43 elided