From 3d92a107fe33a9a0b315814271264f37c4c732c8 Mon Sep 17 00:00:00 2001
From: Nova Fallen <nfallen@seas.upenn.edu>
Date: Sat, 31 Oct 2015 14:25:03 +0100
Subject: [PATCH] Implement DOMStringMap::SupportedPropertyNames and
 NamedNodeMap::SupportedPropertyNames

---
 ...domstringmap-supported-property-names.html | 54 +++++++++++++++++++
 ...namednodemap-supported-property-names.html | 30 +++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 dom/collections/domstringmap-supported-property-names.html
 create mode 100644 dom/collections/namednodemap-supported-property-names.html
diff --git a/dom/collections/domstringmap-supported-property-names.html b/dom/collections/domstringmap-supported-property-names.html
new file mode 100644
index 00000000000000..f84ee27ae292cb
--- /dev/null
+++ b/dom/collections/domstringmap-supported-property-names.html
@@ -0,0 +1,54 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>DOMStringMap Test: Supported property names</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+
+<div id="edge1" data-="012">Simple</div>
+
+<div id="edge2" data-id-="012">Simple</div>
+
+<div id="user" data-id="1234567890" data-user="johndoe" data-date-of-birth>
+    John Doe
+</div>
+
+<div id="user2" data-unique-id="1234567890"> Jane Doe </div>
+
+<div id="user3" data-unique-id="4324324241"> Jim Doe </div>
+
+<script>
+
+test(function() {
+    var element = document.querySelector('#edge1');
+    assert_array_equals(Object.getOwnPropertyNames(element.dataset),
+        [""]);
+}, "Object.getOwnPropertyNames on DOMStringMap, empty data attribute");
+
+test(function() {
+    var element = document.querySelector('#edge2');
+    assert_array_equals(Object.getOwnPropertyNames(element.dataset),
+        ["id-"]);
+}, "Object.getOwnPropertyNames on DOMStringMap, data attribute trailing hyphen");
+
+test(function() {
+    var element = document.querySelector('#user');
+    assert_array_equals(Object.getOwnPropertyNames(element.dataset),
+        ['id', 'user', 'dateOfBirth']);
+}, "Object.getOwnPropertyNames on DOMStringMap, multiple data attributes");
+
+test(function() {
+    var element = document.querySelector('#user2');
+    element.dataset.middleName = "mark";
+	assert_array_equals(Object.getOwnPropertyNames(element.dataset),
+		['uniqueId', 'middleName']);
+}, "Object.getOwnPropertyNames on DOMStringMap, attribute set on dataset in JS");
+
+test(function() {
+    var element = document.querySelector('#user3');
+    element.setAttribute("data-age", 30);
+    assert_array_equals(Object.getOwnPropertyNames(element.dataset),
+		['uniqueId', 'age']);
+}, "Object.getOwnPropertyNames on DOMStringMap, attribute set on element in JS");
+
+</script>
\ No newline at end of file
diff --git a/dom/collections/namednodemap-supported-property-names.html b/dom/collections/namednodemap-supported-property-names.html
new file mode 100644
index 00000000000000..2c5dee4efd6879
--- /dev/null
+++ b/dom/collections/namednodemap-supported-property-names.html
@@ -0,0 +1,30 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>NamedNodeMap Test: Supported property names</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<div id="simple" class="fancy">Simple</div>
+<input id="result" type="text" value="" width="200px">
+<script>
+
+test(function() {
+    var elt = document.querySelector('#simple');
+    assert_array_equals(Object.getOwnPropertyNames(elt.attributes),
+        ['0','1','id','class']);
+}, "Object.getOwnPropertyNames on NamedNodeMap");
+
+test(function() {
+    var result = document.getElementById("result");
+    assert_array_equals(Object.getOwnPropertyNames(result.attributes),
+        ['0','1','2','3','id','type','value','width']);
+}, "Object.getOwnPropertyNames on NamedNodeMap of input");
+
+test(function() {
+    var result = document.getElementById("result");
+    result.removeAttribute("width");
+    assert_array_equals(Object.getOwnPropertyNames(result.attributes),
+        ['0','1','2','id','type','value']);
+}, "Object.getOwnPropertyNames on NamedNodeMap after attribute removal");
+
+</script>
\ No newline at end of file
