Import wpt@a7e9c2abcf65b78fcf1c246fec6681c74e1bc352

third_party/WebKit/LayoutTests/external/wpt/html/semantics/forms/the-select-element/selected-index.html

Index: third_party/WebKit/LayoutTests/external/wpt/html/semantics/forms/the-select-element/selected-index.html
diff --git a/third_party/WebKit/LayoutTests/external/wpt/html/semantics/forms/the-select-element/selected-index.html b/third_party/WebKit/LayoutTests/external/wpt/html/semantics/forms/the-select-element/selected-index.html
index 1be5378cdf4fae7ad5d717c67b5fff97636a33e3..6c30698a8ae1f79e5db21e8912d19b55d803910f 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/html/semantics/forms/the-select-element/selected-index.html
+++ b/third_party/WebKit/LayoutTests/external/wpt/html/semantics/forms/the-select-element/selected-index.html
@@ -28,46 +28,76 @@
 </form>
 
 <script>
+function assertSelectedIndex(select, value) {
+  assert_equals(select.selectedIndex, value);
+  assert_equals(select.options.selectedIndex, value);
+}
+
 test(function () {
   var select = document.getElementById('empty');
-  assert_equals(select.selectedIndex, -1);
+  assertSelectedIndex(select, -1);
 }, "get empty");
 
 test(function () {
   var select = document.getElementById('default');
-  assert_equals(select.selectedIndex, 0);
+  assertSelectedIndex(select, 0);
 }, "get default");
 
 test(function () {
   var select = document.getElementById('disabled');
-  assert_equals(select.selectedIndex, 1);
+  assertSelectedIndex(select, 1);
 }, "get disabled");
 
 test(function () {
   var select = document.getElementById('selected');
-  assert_equals(select.selectedIndex, 1);
+  assertSelectedIndex(select, 1);
 }, "get unselected");
 
 test(function () {
   var select = document.getElementById('empty');
   select.selectedIndex = 1;
-  assert_equals(select.selectedIndex, -1);
-}, "set empty");
+  assertSelectedIndex(select, -1);
+}, "set empty (HTMLSelectElement)");
+
+test(function () {
+  var select = document.getElementById('empty');
+  select.options.selectedIndex = 1;
+  assertSelectedIndex(select, -1);
+}, "set empty (HTMLOptionsCollection)");
 
 test(function () {
   var select = document.getElementById('default');
-  assert_equals(select.selectedIndex, 0);
+  assertSelectedIndex(select, 0);
   select.selectedIndex = 2;
-  assert_equals(select.selectedIndex, 2);
-}, "set");
+  assertSelectedIndex(select, 2);
+  this.add_cleanup(() => select.selectedIndex = 0);
+}, "set (HTMLSelectElement)");
+
+test(function () {
+  var select = document.getElementById('default');
+  assertSelectedIndex(select, 0);
+  select.options.selectedIndex = 2;
+  assertSelectedIndex(select, 2);
+  this.add_cleanup(() => select.selectedIndex = 0);
+}, "set (HTMLOptionsCollection)");
 
 test(function () {
   var select = document.getElementById('selected');
   var form = document.getElementById('form');
-  assert_equals(select.selectedIndex, 1);
+  assertSelectedIndex(select, 1);
   select.selectedIndex = 0;
-  assert_equals(select.selectedIndex, 0);
+  assertSelectedIndex(select, 0);
+  form.reset();
+  assertSelectedIndex(select, 1);
+}, "set and reset (HTMLSelectElement)");
+
+test(function () {
+  var select = document.getElementById('selected');
+  var form = document.getElementById('form');
+  assertSelectedIndex(select, 1);
+  select.options.selectedIndex = 0;
+  assertSelectedIndex(select, 0);
   form.reset();
-  assert_equals(select.selectedIndex, 1);
-}, "set and reset");
+  assertSelectedIndex(select, 1);
+}, "set and reset (HTMLOptionsCollection)");
 </script>