listAlgorithms/TestStack.java

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package listAlgorithms;

import static org.junit.Assert.*;

import org.junit.Test;

public class TestStack {

    @Test
    public void test() {
        Character vals[] = new Character[] { 'A', 'B', 'C', 'D', 'E' };
        Stack<Character> charStack = new Stack<Character>();
        for (Character ch : vals) {
            charStack.push(ch);
        }
        boolean OK = true;
        int ix = vals.length - 1;
        while (charStack.peek() != null) {
            Character ch = charStack.pop();
            if (!ch.equals(vals[ix])) {
                OK = false;
                break;
            }
            ix--;
        } // while
        assertTrue("Queue failed", OK);
    } // test

}