test/net/habraun/kong/physics/LineSegmentTest.scala

   1 /*
   2         Copyright (c) 2009 Hanno Braun <hanno@habraun.net>
   3
   4         Licensed under the Apache License, Version 2.0 (the "License");
   5         you may not use this file except in compliance with the License.
   6         You may obtain a copy of the License at
   7
   8                 http://www.apache.org/licenses/LICENSE-2.0
   9
  10         Unless required by applicable law or agreed to in writing, software
  11         distributed under the License is distributed on an "AS IS" BASIS,
  12         WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13         See the License for the specific language governing permissions and
  14         limitations under the License.
  15 */
  16
  17
  18
  19 package net.habraun.kong.physics
  20
  21
  22
  23 import org.junit._
  24 import org.junit.Assert._
  25
  26
  27
  28 class LineSegmentTest {
  29
  30         @Test
  31         def verifyIsShape {
  32                 val segment = LineSegment(Vec2D(0, 0), Vec2D(10, 10))
  33                 assertTrue(segment.isInstanceOf[Shape])
  34         }
  35
  36
  37
  38         @Test
  39         def verifyHasAttributes {
  40                 val p = Vec2D(5, 5)
  41                 val d = Vec2D(2, 1)
  42                 val segment = LineSegment(p, d)
  43
  44                 assertEquals(p, segment.p)
  45                 assertEquals(d, segment.d)
  46         }
  47
  48
  49
  50         @Test { val expected = classOf[IllegalArgumentException] }
  51         def createWithZeroDirectionVectorExpectException {
  52                 LineSegment(Vec2D(2, 2), Vec2D(0, 0))
  53         }
  54
  55
  56
  57         @Test { val expected = classOf[NullPointerException] }
  58         def createWithPositionVectorNullExpectException {
  59                 LineSegment(null, Vec2D(1, 1))
  60         }
  61
  62
  63
  64         @Test { val expected = classOf[NullPointerException] }
  65         def createWithDirectionVectorNullExpectException {
  66                 LineSegment(Vec2D(0, 0), null)
  67         }
  68 }