Contents

import org.scalatest.{Matchers, FlatSpec}

class PascalsTriangleTest extends FlatSpec with Matchers {
  it should "handle 1 row" in {
    PascalsTriangle.triangle(1) should be (List(List(1)))
  }

  it should "handle 2 rows" in {
    PascalsTriangle.triangle(2) should be (List(List(1), List(1, 1)))
  }

  it should "handle 3 rows" in {
    PascalsTriangle.triangle(3) should be (List(List(1), List(1, 1), List(1, 2, 1)))
  }

  it should "handle 4 rows" in {
    PascalsTriangle.triangle(4) should be (List(List(1), List(1, 1),
      List(1, 2, 1), List(1, 3, 3, 1)))
  }

  it should "handle 5 rows" in {
    PascalsTriangle.triangle(5) should be (List(List(1), List(1, 1),
      List(1, 2, 1), List(1, 3, 3, 1), List(1, 4, 6, 4, 1)))
  }

  it should "handle 20 rows" in {
    PascalsTriangle.triangle(20).takeRight(1).head should be (List(1, 19,
      171, 969, 3876, 11628, 27132, 50388, 75582, 92378,
      92378, 75582, 50388, 27132, 11628, 3876, 969, 171,
      19, 1))
  }
}

Version data entries

12 entries across 12 versions & 1 rubygems

Version	Path
trackler-2.0.0.1	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-2.0.0.0	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.4.1	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.4.0	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.3.0	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.2.1	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.2.0	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.1.2	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.1.1	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.1.0	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.0.1	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala
trackler-1.0.0	tracks/scala/exercises/pascals-triangle/src/test/scala/PascalsTriangleTest.scala