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.test.TestUtil;
   8
   9 import org.junit.Test;
  10
  11 /**
  12  * Unit test for {@link IntegerRangePredicate}.
  13  */
  14 public class IntegerRangePredicateTest {
  15
  16         private final IntegerRangePredicate predicate =
  17                         new IntegerRangePredicate(-50, 50);
  18
  19         @Test
  20         public void predicateMatchesNumberWithinBounds() {
  21                 assertThat(predicate.apply(17), is(true));
  22         }
  23
  24         @Test
  25         public void predicateMatchesLowerBoundary() {
  26                 assertThat(predicate.apply(-50), is(true));
  27         }
  28
  29         @Test
  30         public void predicateDoesNotMatchOneBelowLowerBoundary() {
  31                 assertThat(predicate.apply(-51), is(false));
  32         }
  33
  34         @Test
  35         public void predicateMatchesUpperBoundary() {
  36                 assertThat(predicate.apply(50), is(true));
  37         }
  38
  39         @Test
  40         public void predicateDoesNotMatchesOneAboveUpperBoundary() {
  41                 assertThat(predicate.apply(51), is(false));
  42         }
  43
  44         @Test
  45         public void staticCreatorMethodCreatesPredicate() {
  46                 IntegerRangePredicate predicate = range(-50, 50);
  47                 assertThat(TestUtil.<Integer>getPrivateField(predicate, "lowerBound"),
  48                                 is(-50));
  49                 assertThat(TestUtil.<Integer>getPrivateField(predicate, "upperBound"),
  50                                 is(50));
  51         }
  52
  53 }