From 4ae79849aaeada600eb46d5405f35f527423ecd4 Mon Sep 17 00:00:00 2001
From: Christopher Bohn <bohn@unl.edu>
Date: Thu, 27 Jun 2019 07:04:04 -0500
Subject: [PATCH] added testPopFromEmptyStack()
---
src/test/java/MyStackTest.java | 35 ++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/src/test/java/MyStackTest.java b/src/test/java/MyStackTest.java
index 38de92b..2f150db 100644
--- a/src/test/java/MyStackTest.java
+++ b/src/test/java/MyStackTest.java
@@ -1,6 +1,10 @@
import org.junit.After;
import org.junit.Before;
+import org.junit.Rule;
import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import java.util.EmptyStackException;
import static org.junit.Assert.*;
@@ -65,4 +69,35 @@ public class MyStackTest {
stack.pop();
assertEquals(2,stack.size());
}
+
+ @Rule
+ public ExpectedException thrown = ExpectedException.none();
+
+ @Test
+ public void testPopFromEmptyStack() {
+ thrown.expect(EmptyStackException.class);
+ // EmptyStackExpression says it all, but if the were a constructor that took a String then we could test
+ // thrown.expectMessage("Attempted to pop from empty stack.");
+ stack.pop();
+ }
+
+/* WILL TEST IF *ANY* CODE IN TEST METHOD THROWS EXCEPTION -- OKAY FOR SMALL TEST METHODS
+ @Test(expected = EmptyStackException.class)
+ public void testPopFromEmptyStack() {
+ stack.pop();
+ }
+*/
+
+/* JUNIT 3 IDIOM
+ @Test
+ public void testPopFromEmptyStack() {
+ try {
+ stack.pop();
+ fail("Expected EmptyStackException to be thrown.");
+ } catch (EmptyStackException emptyStackException) {
+ // EmptyStackExpression says it all, but if the were a constructor that took a String then we could test
+ // assertThat(emptyStackExpression.getMessage(), is("Attempted to pop from empty stack."));
+ }
+ }
+*/
}
\ No newline at end of file
--
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