1 package io.github.reggert.reb4j;
2
3 import static org.hamcrest.CoreMatchers.is;
4 import static org.junit.Assert.assertEquals;
5 import static org.junit.Assert.assertThat;
6
7 import io.github.reggert.reb4j.Adopted;
8 import io.github.reggert.reb4j.Literal;
9
10 import java.util.regex.Pattern;
11
12 import org.junit.Test;
13
14
15 public class AdoptTest
16 {
17 @Test
18 public void testAdopt()
19 {
20 final Pattern pattern = Pattern.compile("abc");
21 final Adopted expression = Adopted.fromPattern(pattern);
22 assertEquals("abc", expression.expression().toString());
23 }
24
25 @Test
26 public void testAdoptedHashcodeEquals()
27 {
28 final Pattern pattern1 = Pattern.compile("abc");
29 final Adopted expression1 = Adopted.fromPattern(pattern1);
30 final Pattern pattern2 = expression1.toPattern();
31 final Adopted expression2 = Adopted.fromPattern(pattern2);
32 final Literal literal = Literal.literal("abc");
33 assertThat(expression1.equals(expression1), is(true));
34 assertThat(expression1.equals(expression2), is(true));
35 assertThat(expression1.equals(literal), is(false));
36 assertThat(expression1.hashCode(), is(expression2.hashCode()));
37 }
38 }