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StackTester.java
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executable file
·87 lines (81 loc) · 2.52 KB
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import static org.junit.Assert.*;
import org.junit.Test;
import CS2110Stacks.*;
/** Test methods in package CS2110Stacks */
public class StackTester {
@Test
public void testArrayStack() {
ArrayStack s1= new ArrayStack();
assertEquals(0, s1.size());
s1.push("a");
s1.push("b");
s1.push("c");
assertEquals(true, s1.contains("a"));
assertEquals(true, s1.contains("b"));
assertEquals(true, s1.contains("c"));
assertEquals(false, s1.contains("d"));
assertEquals(3, s1.size());
Object t1= s1.pop();
Object t2= s1.pop();
assertEquals("c", t1);
assertEquals("b", t2);
assertEquals(1, s1.size());
s1.push("b");
s1.push("c");
s1.push("d");
s1.delete("c");
assertEquals("[d, b, a]", s1.toString());
s1.ReverseInPlace();
assertEquals("[a, b, d]", s1.toString());
}
@Test
public void LinkedListStackIt() {
LinkedListStackIt s1= new LinkedListStackIt();
assertEquals(0, s1.size());
s1.push("a");
s1.push("b");
s1.push("c");
assertEquals(true, s1.contains("a"));
assertEquals(true, s1.contains("b"));
assertEquals(true, s1.contains("c"));
assertEquals(false, s1.contains("d"));
assertEquals(3, s1.size());
Object t1= s1.pop();
Object t2= s1.pop();
assertEquals("c", t1);
assertEquals("b", t2);
assertEquals(1, s1.size());
s1.push("b");
s1.push("c");
s1.push("d");
s1.delete("c");
assertEquals("[d, b, a]", s1.toString());
s1.ReverseInPlace();
assertEquals("[a, b, d]", s1.toString());
}
@Test
public void LinkedListStackRe() {
LinkedListStackRe s1= new LinkedListStackRe();
assertEquals(0, s1.size());
s1.push("a");
s1.push("b");
s1.push("c");
assertEquals(true, s1.contains("a"));
assertEquals(true, s1.contains("b"));
assertEquals(true, s1.contains("c"));
assertEquals(false, s1.contains("d"));
assertEquals(3, s1.size());
Object t1= s1.pop();
Object t2= s1.pop();
assertEquals("c", t1);
assertEquals("b", t2);
assertEquals(1, s1.size());
s1.push("b");
s1.push("c");
s1.push("d");
s1.delete("c");
assertEquals("[d, b, a]", s1.toString());
s1.ReverseInPlace();
assertEquals("[a, b, d]", s1.toString());
}
}