MinimumHeightBSTTest.java

import org.junit.Test;

import java.util.Arrays;
import java.util.List;

import static org.junit.Assert.*;

public class MinimumHeightBSTTest {

    private BinaryTree<Integer> expected;
    private List<Integer> A;

    @Test
    public void build1() throws Exception {
        expected = BinaryTreeUtil.getEvenBST();
        A = Arrays.asList(0,1,2);

        test(expected, A);
    }

    @Test
    public void build2() throws Exception {
        expected = BinaryTreeUtil.getFullBST();
        A = Arrays.asList(1,2,3,4,5,6,7);

        test(expected, A);
    }

    @Test
    public void build3() throws Exception {
        expected = BinaryTreeUtil.getFullBST();
        A = Arrays.asList(1,2,3,4,5,6,7);

        test(expected, A);
    }

    private void test(BinaryTree<Integer> expected, List<Integer> A) {
        assertEquals(expected, MinimumHeightBST.build(A));
    }

}