package org.springside.modules.utils.collection.type; import static org.assertj.core.api.Assertions.*; import org.junit.Test; public class PairTest { @Test public void test(){ Pair<String,Integer> pair = Pair.of("haha", 1); Pair<String,Integer> pair2 = Pair.of("haha", 2); assertThat(pair.equals(pair2)).isFalse(); assertThat(pair.hashCode()!=pair2.hashCode()).isTrue(); assertThat(pair.toString()).isEqualTo("Pair [first=haha, second=1]"); } }