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Completing the name change

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Bruce Eckel 2016-11-27 08:03:17 -08:00
parent cb0a9b53a7
commit 4259c4945d
1 changed files with 0 additions and 143 deletions
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validating/tests/QueueTest.java
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// validating/tests/QueueTest.java
// (c)2016 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.
package validating;
import org.junit.jupiter.api.*;
import static org.junit.jupiter.api.Assertions.*;
public class QueueTest {
private Queue queue = new Queue(10);
private int i = 0;
@BeforeEach
public void initialize() {
while(i < 5) // Preload with some data
queue.put(Integer.toString(i++));
}
// Support methods:
private void showFullness() {
assertTrue(queue.full());
assertFalse(queue.empty());
System.out.println(queue.dump());
}
private void showEmptiness() {
assertFalse(queue.full());
assertTrue(queue.empty());
System.out.println(queue.dump());
}
@Test
public void full() {
System.out.println("testFull");
System.out.println(queue.dump());
System.out.println(queue.get());
System.out.println(queue.get());
while(!queue.full())
queue.put(Integer.toString(i++));
String msg = "";
try {
queue.put("");
} catch(QueueException e) {
msg = e.getMessage();
System.out.println(msg);
}
assertEquals(msg, "put() into full Queue");
showFullness();
}
@Test
public void empty() {
System.out.println("testEmpty");
while(!queue.empty())
System.out.println(queue.get());
String msg = "";
try {
queue.get();
} catch(QueueException e) {
msg = e.getMessage();
System.out.println(msg);
}
assertEquals(msg, "get() from empty Queue");
showEmptiness();
}
@Test
public void nullPut() {
System.out.println("testNullPut");
String msg = "";
try {
queue.put(null);
} catch(QueueException e) {
msg = e.getMessage();
System.out.println(msg);
}
assertEquals(msg, "put() null item");
}
@Test
public void circularity() {
System.out.println("testCircularity");
while(!queue.full())
queue.put(Integer.toString(i++));
showFullness();
assertTrue(queue.isWrapped());
while(!queue.empty())
System.out.println(queue.get());
showEmptiness();
while(!queue.full())
queue.put(Integer.toString(i++));
showFullness();
while(!queue.empty())
System.out.println(queue.get());
showEmptiness();
}
}
/* Output:
testNullPut
put() null item
testCircularity
in = 0, out = 0, full() = true, empty() = false, queue =
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
0
1
2
3
4
5
6
7
8
9
in = 0, out = 0, full() = false, empty() = true, queue =
[null, null, null, null, null, null, null, null, null,
null]
in = 0, out = 0, full() = true, empty() = false, queue =
[10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
10
11
12
13
14
15
16
17
18
19
in = 0, out = 0, full() = false, empty() = true, queue =
[null, null, null, null, null, null, null, null, null,
null]
testFull
in = 5, out = 0, full() = false, empty() = false, queue =
[0, 1, 2, 3, 4, null, null, null, null, null]
0
1
put() into full Queue
in = 2, out = 2, full() = true, empty() = false, queue =
[10, 11, 2, 3, 4, 5, 6, 7, 8, 9]
testEmpty
0
1
2
3
4
get() from empty Queue
in = 5, out = 5, full() = false, empty() = true, queue =
[null, null, null, null, null, null, null, null, null,
null]
*/