1 files changed, 104 insertions, 0 deletions
diff --git a/dom/tests/js/tables/changeCell.js b/dom/tests/js/tables/changeCell.js
new file mode 100644
index 000000000..d65a4c3d0
--- /dev/null
+++ b/dom/tests/js/tables/changeCell.js
@@ -0,0 +1,104 @@
+/* -*- 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 findBody(node)
+{
+  if (node.nodeType != Node.ELEMENT_NODE) {
+    return null;
+  }
+  var children = node.childNodes;
+  if (children == null) {
+    return null;
+  }
+  var length = children.length;
+  var child = null;
+  var count = 0;
+  while (count < length) {
+    child = children[count];
+    if (child.tagName == "BODY") {
+      dump("BODY found");
+      return child;
+    }
+    var body = findBody(child);
+    if (null != body) {
+      return body;
+    }
+    count++;
+  }
+  return null;
+}
+
+// Given the body element, find the first table element
+function findTable(body)
+{
+  // XXX A better way to do this would be to use getElementsByTagName(), but
+  // it isn't implemented yet...
+  var children = body.childNodes
+  if (children == null) {
+    return null;
+  }
+  var length = children.length;
+  var child = null;
+  var count = 0;
+  while (count < length) {
+    child = children[count];
+    if (child.nodeType == Node.ELEMENT_NODE) {
+      if (child.tagName == "TABLE") {
+        dump("TABLE found");
+        break;
+      }
+    }
+    count++;
+  }
+
+  return child;
+}
+
+// Given a table element, find the first table body
+function findTableBody(table)
+{
+  // XXX A better way to do this would be to use getElementsByTagName(), but
+  // it isn't implemented yet...
+  var children = table.childNodes
+  if (children == null) {
+    return null;
+  }
+  var length = children.length;
+  var child = null;
+  var count = 0;
+  while (count < length) {
+    child = children[count];
+    if (child.nodeType == Node.ELEMENT_NODE) {
+      if (child.tagName == "TBODY") {
+        break;
+      }
+    }
+    count++;
+  }
+
+  return child;
+}
+
+// Change the text of the first table cell
+function changeCell(table)
+{
+  // Get a table body
+  var body = findTableBody(table)
+
+  // The table body's first child is a table row
+  var row = body.firstChild
+
+  // The row's first child is a table cell
+  var cell = row.firstChild
+
+  // Get the cell's text
+  var text = cell.firstChild
+
+  // Append some text
+  text.append(" NEW TEXT")
+}
+
+changeCell(findTable(findBody(document.documentElement)))
+