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Flesh out the stack-related unit tests. 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@130437 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Craig R. McClanahan 2001-04-14 19:50:31 +00:00
parent 004d5e672e
commit b6b59b189c
1 changed files with 65 additions and 6 deletions
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71
src/test/org/apache/commons/collections/TestArrayStack.java
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@ -1,7 +1,7 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/TestArrayStack.java,v 1.1 2001/04/14 19:32:38 craigmcc Exp $
* $Revision: 1.1 $
* $Date: 2001/04/14 19:32:38 $
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/TestArrayStack.java,v 1.2 2001/04/14 19:50:31 craigmcc Exp $
* $Revision: 1.2 $
* $Date: 2001/04/14 19:50:31 $
*
* ====================================================================
*
@ -66,7 +66,7 @@ import java.util.*;
/**
* @author Craig McClanahan
* @version $Id: TestArrayStack.java,v 1.1 2001/04/14 19:32:38 craigmcc Exp $
* @version $Id: TestArrayStack.java,v 1.2 2001/04/14 19:50:31 craigmcc Exp $
*/
public class TestArrayStack extends TestList {
@ -92,8 +92,67 @@ public class TestArrayStack extends TestList {
}
public void testNew() {
assert(stack.empty());
public void testNewStack() {
assert("New stack is empty", stack.empty());
assertEquals("New stack has size zero", stack.size(), 0);
try {
stack.peek();
fail("peek() should have thrown EmptyStackException");
} catch (EmptyStackException e) {
; // Expected result
}
try {
stack.pop();
fail("pop() should have thrown EmptyStackException");
} catch (EmptyStackException e) {
; // Expected result
}
}
public void testPushPeekPop() {
stack.push("First Item");
assert("Stack is not empty", !stack.empty());
assertEquals("Stack size is one", stack.size(), 1);
assertEquals("Top item is 'First Item'",
(String) stack.peek(), "First Item");
assertEquals("Stack size is one", stack.size(), 1);
stack.push("Second Item");
assertEquals("Stack size is two", stack.size(), 2);
assertEquals("Top item is 'Second Item'",
(String) stack.peek(), "Second Item");
assertEquals("Stack size is two", stack.size(), 2);
assertEquals("Popped item is 'Second Item'",
(String) stack.pop(), "Second Item");
assertEquals("Top item is 'First Item'",
(String) stack.peek(), "First Item");
assertEquals("Stack size is one", stack.size(), 1);
assertEquals("Popped item is 'First Item'",
(String) stack.pop(), "First Item");
assertEquals("Stack size is zero", stack.size(), 0);
}
public void testSearch() {
stack.push("First Item");
stack.push("Second Item");
assertEquals("Top item is 'Second Item'",
stack.search("Second Item"), 1);
assertEquals("Next Item is 'First Item'",
stack.search("First Item"), 2);
assertEquals("Cannot find 'Missing Item'",
stack.search("Missing Item"), -1);
}