From 428159b00fa3b24516470491d21fffe7cf460351 Mon Sep 17 00:00:00 2001
From: bvosburgh
Date: Sat, 1 Sep 2007 00:16:34 +0000
Subject: [201159] model rework - added "node" support

---
 .../utility/tests/internal/SimpleStackTests.java   | 142 +++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SimpleStackTests.java

(limited to 'jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SimpleStackTests.java')

diff --git a/jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SimpleStackTests.java b/jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SimpleStackTests.java
new file mode 100644
index 0000000000..f229797565
--- /dev/null
+++ b/jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SimpleStackTests.java
@@ -0,0 +1,142 @@
+/*******************************************************************************
+ * Copyright (c) 2007 Oracle. All rights reserved.
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0, which accompanies this distribution
+ * and is available at http://www.eclipse.org/legal/epl-v10.html.
+ * 
+ * Contributors:
+ *     Oracle - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.jpt.utility.tests.internal;
+
+import java.util.EmptyStackException;
+
+import org.eclipse.jpt.utility.internal.SimpleStack;
+import org.eclipse.jpt.utility.internal.Stack;
+
+import junit.framework.TestCase;
+
+public class SimpleStackTests extends TestCase {
+
+	public SimpleStackTests(String name) {
+		super(name);
+	}
+
+	public void testIsEmpty() {
+		Stack<String> stack = new SimpleStack<String>();
+		assertTrue(stack.isEmpty());
+		stack.push("first");
+		assertFalse(stack.isEmpty());
+		stack.push("second");
+		assertFalse(stack.isEmpty());
+		stack.pop();
+		assertFalse(stack.isEmpty());
+		stack.pop();
+		assertTrue(stack.isEmpty());
+	}
+
+	public void testPushAndPop() {
+		Stack<String> stack = new SimpleStack<String>();
+		String first = "first";
+		String second = "second";
+
+		stack.push(first);
+		stack.push(second);
+		assertEquals(second, stack.pop());
+		assertEquals(first, stack.pop());
+	}
+
+	public void testPushAndPeek() {
+		Stack<String> stack = new SimpleStack<String>();
+		String first = "first";
+		String second = "second";
+
+		stack.push(first);
+		stack.push(second);
+		assertEquals(second, stack.peek());
+		assertEquals(second, stack.peek());
+		assertEquals(second, stack.pop());
+		assertEquals(first, stack.peek());
+		assertEquals(first, stack.peek());
+		assertEquals(first, stack.pop());
+	}
+
+	public void testEmptyStackExceptionPeek() {
+		Stack<String> stack = new SimpleStack<String>();
+		String first = "first";
+		String second = "second";
+
+		stack.push(first);
+		stack.push(second);
+		assertEquals(second, stack.peek());
+		assertEquals(second, stack.pop());
+		assertEquals(first, stack.peek());
+		assertEquals(first, stack.pop());
+
+		boolean exCaught = false;
+		try {
+			stack.peek();
+		} catch (EmptyStackException ex) {
+			exCaught = true;
+		}
+		assertTrue(exCaught);
+	}
+
+	public void testEmptyStackExceptionPop() {
+		Stack<String> stack = new SimpleStack<String>();
+		String first = "first";
+		String second = "second";
+
+		stack.push(first);
+		stack.push(second);
+		assertEquals(second, stack.peek());
+		assertEquals(second, stack.pop());
+		assertEquals(first, stack.peek());
+		assertEquals(first, stack.pop());
+
+		boolean exCaught = false;
+		try {
+			stack.pop();
+		} catch (EmptyStackException ex) {
+			exCaught = true;
+		}
+		assertTrue(exCaught);
+	}
+
+	public void testClone() {
+		SimpleStack<String> stack = new SimpleStack<String>();
+		stack.push("first");
+		stack.push("second");
+		stack.push("third");
+
+		this.verifyClone(stack, stack.clone());
+	}
+
+	public void testSerialization() throws Exception {
+		SimpleStack<String> stack = new SimpleStack<String>();
+		stack.push("first");
+		stack.push("second");
+		stack.push("third");
+
+		this.verifyClone(stack, TestTools.serialize(stack));
+	}
+
+	private void verifyClone(Stack<String> original, Stack<String> clone) {
+		assertNotSame(original, clone);
+		assertEquals(original.peek(), clone.peek());
+		assertEquals(original.pop(), clone.pop());
+		assertEquals(original.peek(), clone.peek());
+		assertEquals(original.pop(), clone.pop());
+		assertEquals(original.isEmpty(), clone.isEmpty());
+		assertEquals(original.peek(), clone.peek());
+		assertEquals(original.pop(), clone.pop());
+		assertTrue(original.isEmpty());
+		assertEquals(original.isEmpty(), clone.isEmpty());
+
+		original.push("fourth");
+		assertFalse(original.isEmpty());
+		// clone should still be empty
+		assertTrue(clone.isEmpty());
+	}
+
+}
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