Added a few simple test cases.

jsftemplating/src/test/java/com/sun/jsftemplating/util/fileStreamer/ResourceContentSourceTest.java

@@ -0,0 +1,38 @@
+/**
+ * 
+ */
+package com.sun.jsftemplating.util.fileStreamer;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * TestCase for <code>ResourceContentSource</code>.
+ */
+public class ResourceContentSourceTest {
+
+    @Test(expected = IllegalArgumentException.class)
+    public void normalizeDoesNotAccessContextRootParent() {
+        final String testPath = "../bad/path";
+        ResourceContentSource.normalize(testPath);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void normalizeDoesNotAccessContextRootParentWithLeadingSlash() {
+        final String testPath = "/../bad/path";
+        ResourceContentSource.normalize(testPath);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void doesNotGoBackTooFar() {
+        final String testPath = "/path/../../../../too/many/backward";
+        ResourceContentSource.normalize(testPath);
+    }
+
+    @Test
+    public void removesExtraSlashesAndBackwardPaths() {
+        final String testPath = "//OK/path//with/extra/slashes/and/..//in/the/middle/";
+        final String result = ResourceContentSource.normalize(testPath);
+        Assert.assertEquals("Wrong result", "OK/path/with/extra/slashes/in/the/middle", result);
+    }
+}