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// annotations/HashSetTest.java

// (c)2021 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// {java onjava.atunit.AtUnit

// build/classes/java/main/annotations/HashSetTest.class}

package annotations;

import java.util.*;

import onjava.atunit.*;

import onjava.*;

public class HashSetTest {

HashSet<String> testObject = new HashSet<>();

@Test

void initialization() {

assert testObject.isEmpty();

}

@Test

void tContains() {

testObject.add("one");

assert testObject.contains("one");

}

@Test

void tRemove() {

testObject.add("one");

testObject.remove("one");

assert testObject.isEmpty();

}

}

/* Output:

annotations.HashSetTest

. tContains

. initialization

. tRemove

OK (3 tests)

*/