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SetTest.java
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42 lines (36 loc) · 1.11 KB
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package fj.data;
import org.junit.Test;
import static fj.data.Option.none;
import static fj.data.Option.some;
import static fj.Ord.intOrd;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
/**
* Created by MarkPerry on 18/08/2015.
*/
public class SetTest {
@Test
public void toStream() {
Set<Integer> s = Set.set(intOrd, 1, 2, 3);
assertThat(s.toStream(), equalTo(Stream.stream(1, 2, 3)));
}
@Test
public void testString() {
Set<Integer> s = Set.set(intOrd, 1, 2, 3);
assertThat(s.toString(), equalTo("Set(1,2,3)"));
}
@Test
public void testLookups() {
Set<Integer> s = Set.set(intOrd, 5, 1, 7, 8);
assertThat(s.lookup(7), equalTo(some(7)));
assertThat(s.lookup(4), equalTo(none()));
assertThat(s.lookupLT(6), equalTo(some(5)));
assertThat(s.lookupLT(1), equalTo(none()));
assertThat(s.lookupGT(5), equalTo(some(7)));
assertThat(s.lookupGT(9), equalTo(none()));
assertThat(s.lookupLE(8), equalTo(some(8)));
assertThat(s.lookupLE(0), equalTo(none()));
assertThat(s.lookupGE(8), equalTo(some(8)));
assertThat(s.lookupGE(9), equalTo(none()));
}
}