src/test/java/net/pterodactylus/sone/utils/IntegerRangePredicateTest.java

   1 package net.pterodactylus.sone.utils;
   2
   3 import static net.pterodactylus.sone.utils.IntegerRangePredicate.range;
   4 import static org.hamcrest.MatcherAssert.assertThat;
   5 import static org.hamcrest.Matchers.is;
   6
   7 import net.pterodactylus.sone.TestUtil;
   8
   9 import org.junit.Test;
  10
  11 /**
  12  * Unit test for {@link IntegerRangePredicate}.
  13  *
  14  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  15  */
  16 public class IntegerRangePredicateTest {
  17
  18         private final IntegerRangePredicate predicate =
  19                         new IntegerRangePredicate(-50, 50);
  20
  21         @Test
  22         public void predicateMatchesNumberWithinBounds() {
  23                 assertThat(predicate.apply(17), is(true));
  24         }
  25
  26         @Test
  27         public void predicateMatchesLowerBoundary() {
  28                 assertThat(predicate.apply(-50), is(true));
  29         }
  30
  31         @Test
  32         public void predicateDoesNotMatchOneBelowLowerBoundary() {
  33                 assertThat(predicate.apply(-51), is(false));
  34         }
  35
  36         @Test
  37         public void predicateMatchesUpperBoundary() {
  38                 assertThat(predicate.apply(50), is(true));
  39         }
  40
  41         @Test
  42         public void predicateDoesNotMatchesOneAboveUpperBoundary() {
  43                 assertThat(predicate.apply(51), is(false));
  44         }
  45
  46         @Test
  47         public void staticCreatorMethodCreatesPredicate() {
  48                 IntegerRangePredicate predicate = range(-50, 50);
  49                 assertThat(TestUtil.<Integer>getPrivateField(predicate, "lowerBound"),
  50                                 is(-50));
  51                 assertThat(TestUtil.<Integer>getPrivateField(predicate, "upperBound"),
  52                                 is(50));
  53         }
  54
  55 }