craigmcc 01/04/14 12:50:31
Modified: collections/src/test/org/apache/commons/collections
TestArrayStack.java
Log:
Flesh out the stack-related unit tests.
Revision Changes Path
1.2 +61 -2
jakarta-commons/collections/src/test/org/apache/commons/collections/TestArrayStack.java
Index: TestArrayStack.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/collections/src/test/org/apache/commons/collections/TestArrayStack.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- TestArrayStack.java 2001/04/14 19:32:38 1.1
+++ TestArrayStack.java 2001/04/14 19:50:31 1.2
@@ -1,7 +1,7 @@
/*
- * $Header:
/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/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 @@
/**
* @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 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);
+
}
