CollectTest.java

package com.annimon.stream.intstreamtests;

import com.annimon.stream.Functions;
import com.annimon.stream.IntStream;
import com.annimon.stream.function.ObjIntConsumer;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

public final class CollectTest {

    @Test
    public void testCollect() {
        String result = IntStream.of(0, 1, 5, 10)
                .collect(Functions.stringBuilderSupplier(), new ObjIntConsumer<StringBuilder>() {
            @Override
            public void accept(StringBuilder t, int value) {
                t.append(value);
            }
        }).toString();
        assertThat(result, is("01510"));
    }
}