osb/src/test/java/jp/sourceforge/stigmata/birthmarks/osb/LCSCalculatorTest.java

   1 package jp.sourceforge.stigmata.birthmarks.osb;\r
   2 \r
   3 import org.junit.Assert;\r
   4 import org.junit.Before;\r
   5 import org.junit.Test;\r
   6 \r
   7 public class LCSCalculatorTest{\r
   8     private LCSCalculator<String> calculator;\r
   9 \r
  10     @Before\r
  11     public void setUp(){\r
  12         calculator = new LCSCalculator<String>();\r
  13     }\r
  14 \r
  15     @Test\r
  16     public void testBasic(){\r
  17         String[] elementA = new String[] { "load", "load", "add", "store", };\r
  18         String[] elementB = new String[] { "load", "load", "mul", "load", "sub", "store", };\r
  19 \r
  20         Assert.assertEquals(3, calculator.calculate(elementA, elementB));\r
  21         Assert.assertEquals(3, calculator.calculate(elementB, elementA));\r
  22     }\r
  23 \r
  24     @Test\r
  25     public void testNullElement(){\r
  26         String[] elementA = new String[] { "load", "load", "add", null, };\r
  27         String[] elementB = new String[] { "load", "load", "mul", "load", "sub", null, };\r
  28 \r
  29         Assert.assertEquals(3, calculator.calculate(elementA, elementB));\r
  30     }\r
  31 \r
  32     @Test\r
  33     public void testZeroLengthArray(){\r
  34         String[] elementB = new String[] { "load", "load", "mul", "load", "sub", "store", };\r
  35 \r
  36         Assert.assertEquals(0, calculator.calculate(new String[0], elementB));\r
  37     }\r
  38 \r
  39     @Test(expected=NullPointerException.class)\r
  40     public void testNullCheck1(){\r
  41         String[] elementB = new String[] { "load", "load", "mul", "load", "sub", "store", };\r
  42 \r
  43         calculator.calculate(null, elementB);\r
  44     }\r
  45 \r
  46     @Test(expected=NullPointerException.class)\r
  47     public void testNullCheck2(){\r
  48         String[] elementA = new String[] { "load", "load", "add", "store", };\r
  49 \r
  50         calculator.calculate(elementA, null);\r
  51     }\r
  52 \r
  53     @Test(expected=NullPointerException.class)\r
  54     public void testNullCheck3(){\r
  55         calculator.calculate(null, null);\r
  56     }\r
  57 }\r