1 files changed, 109 insertions, 0 deletions
diff --git a/dom/base/test/unit/test_normalize.js b/dom/base/test/unit/test_normalize.js
new file mode 100644
index 000000000..a4f1b4df7
--- /dev/null
+++ b/dom/base/test/unit/test_normalize.js
@@ -0,0 +1,109 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+function run_test()
+{
+  /*
+   * NOTE: [i] is not allowed in this test, since it's done via classinfo and
+   * we don't have that in xpcshell; the workaround is item(i).  Suck.
+   */
+  init();
+
+  test_element();
+
+  // more tests would be nice here (such as for documents), but the primary
+  // uses of Node.normalize() are in test_element; stuff beyond this is either
+  // unimplemented or is unlikely to be used all that much within a browser
+  // DOM implementation
+}
+
+// TEST CODE
+
+var doc; // cache for use in all tests
+
+function init()
+{
+  doc = ParseFile("empty_document.xml");
+}
+
+function test_element()
+{
+  var x = doc.createElement("funk");
+
+  // one empty Text node
+  x.appendChild(doc.createTextNode(""));
+  do_check_eq(x.childNodes.length, 1);
+
+  x.normalize();
+  do_check_eq(x.childNodes.length, 0);
+
+
+  // multiple empty Text nodes
+  x.appendChild(doc.createTextNode(""));
+  x.appendChild(doc.createTextNode(""));
+  do_check_eq(x.childNodes.length, 2);
+
+  x.normalize();
+  do_check_eq(x.childNodes.length, 0);
+
+
+  // empty Text node followed by other Text node
+  x.appendChild(doc.createTextNode(""));
+  x.appendChild(doc.createTextNode("Guaraldi"));
+  do_check_eq(x.childNodes.length, 2);
+
+  x.normalize();
+  do_check_eq(x.childNodes.length, 1);
+  do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");
+
+
+  // Text node followed by empty Text node
+  clearKids(x);
+  x.appendChild(doc.createTextNode("Guaraldi"));
+  x.appendChild(doc.createTextNode(""));
+  do_check_eq(x.childNodes.length, 2);
+
+  x.normalize();
+  do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");
+
+
+  // Text node followed by empty Text node followed by other Node
+  clearKids(x);
+  x.appendChild(doc.createTextNode("Guaraldi"));
+  x.appendChild(doc.createTextNode(""));
+  x.appendChild(doc.createElement("jazzy"));
+  do_check_eq(x.childNodes.length, 3);
+
+  x.normalize();
+  do_check_eq(x.childNodes.length, 2);
+  do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");
+  do_check_eq(x.childNodes.item(1).nodeName, "jazzy");
+
+
+  // Nodes are recursively normalized
+  clearKids(x);
+  var kid = doc.createElement("eit");
+  kid.appendChild(doc.createTextNode(""));
+
+  x.appendChild(doc.createTextNode("Guaraldi"));
+  x.appendChild(doc.createTextNode(""));
+  x.appendChild(kid);
+  do_check_eq(x.childNodes.length, 3);
+  do_check_eq(x.childNodes.item(2).childNodes.length, 1);
+
+  x.normalize();
+  do_check_eq(x.childNodes.length, 2);
+  do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");
+  do_check_eq(x.childNodes.item(1).childNodes.length, 0);
+}
+
+
+// UTILITY FUNCTIONS
+
+function clearKids(node)
+{
+  while (node.hasChildNodes())
+    node.removeChild(node.childNodes.item(0));
+}