Refactor LayoutTests/svg/dom/SVGLengthList*.html

third_party/WebKit/LayoutTests/svg/dom/SVGLengthList-insertItemBefore.html

Index: third_party/WebKit/LayoutTests/svg/dom/SVGLengthList-insertItemBefore.html
diff --git a/third_party/WebKit/LayoutTests/svg/dom/SVGLengthList-insertItemBefore.html b/third_party/WebKit/LayoutTests/svg/dom/SVGLengthList-insertItemBefore.html
index 53982d360d880456fab12843b024c4e97af49254..bd3db63c4f3c67d81db0d2528ea844fdf5b6806d 100644
--- a/third_party/WebKit/LayoutTests/svg/dom/SVGLengthList-insertItemBefore.html
+++ b/third_party/WebKit/LayoutTests/svg/dom/SVGLengthList-insertItemBefore.html
@@ -2,6 +2,7 @@
 <title>SVGLengthList, insertItemBefore()</title>
 <script src="../../resources/testharness.js"></script>
 <script src="../../resources/testharnessreport.js"></script>
+<script src="resources/SVGLengthList-helper.js"></script>
 <svg width="200" height="200">
     <text x="500 1000 1500" y="50">   ABC  </text>
 </svg>
@@ -41,12 +42,7 @@ test(function() {
   // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
   // Insert item 'newLength1' at the end of the list, by using a large index.
   assert_equals(list.insertItemBefore(newLength1, 1000).value, newLength1.value);
-  assert_equals(list.numberOfItems, 4);
-  assert_equals(list.getItem(0).value, 500);
-  assert_equals(list.getItem(1).value, 1000);
-  assert_equals(list.getItem(2).value, 1500);
-  assert_equals(list.getItem(3).value, 50);
-  assert_throws("IndexSizeError", function() { list.getItem(4); });
+  assert_list(list, [500, 1000, 1500, 50]);
 
   // Storing getItem(0/1/2/3) in local variables.
   var item0 = list.getItem(0);
@@ -57,13 +53,7 @@ test(function() {
   // Spec: If the index is equal to 0, then the new item is inserted at the front of the list.
   // Insert item 'newLength2' at the front of the list, by using index=0".
   assert_equals(list.insertItemBefore(newLength2, 0).value, newLength2.value);
-  assert_equals(list.numberOfItems, 5);
-  assert_equals(list.getItem(0).value, 100);
-  assert_equals(list.getItem(1).value, 500);
-  assert_equals(list.getItem(2).value, 1000);
-  assert_equals(list.getItem(3).value, 1500);
-  assert_equals(list.getItem(4).value, 50);
-  assert_throws("IndexSizeError", function() { list.getItem(5); });
+  assert_list(list, [100, 500, 1000, 1500, 50]);
 
   // Assure that previously saved wrappers still show the old values.
   assert_equals(item0.value, 500);
@@ -75,14 +65,7 @@ test(function() {
 
   // Insert item 'newLength3' at position=2, between '500' and '1000'.
   assert_equals(list.insertItemBefore(newLength3, 2).value, newLength3.value);
-  assert_equals(list.numberOfItems, 6);
-  assert_equals(list.getItem(0).value, 100);
-  assert_equals(list.getItem(1).value, 500);
-  assert_equals(list.getItem(2).value, 150);
-  assert_equals(list.getItem(3).value, 1000);
-  assert_equals(list.getItem(4).value, 1500);
-  assert_equals(list.getItem(5).value, 50);
-  assert_throws("IndexSizeError", function() { list.getItem(6); });
+  assert_list(list, [100, 500, 150, 1000, 1500, 50]);
 
   // Spec: If newItem is already in a list, then a new object is created with the same values as newItem and this item is inserted into the list.
   // Otherwise, newItem itself is inserted into the list.
@@ -90,26 +73,10 @@ test(function() {
   // Insert item 'newLength3' at position=1, between '100' and '500', should not remove it from the old position=2 afterwards.");
   assert_equals(list.insertItemBefore(newLength3, 1).value, newLength3.value);
   assert_equals(list.numberOfItems, 7);
-  assert_equals(list.getItem(0).value, 100);
-  assert_equals(list.getItem(1).value, 150);
-  assert_equals(list.getItem(2).value, 500);
-  assert_equals(list.getItem(3).value, 150);
-  assert_equals(list.getItem(4).value, 1000);
-  assert_equals(list.getItem(5).value, 1500);
-  assert_equals(list.getItem(6).value, 50);
-  assert_throws("IndexSizeError", function() { list.getItem(7); });
+  assert_list(list, [100, 150, 500, 150, 1000, 1500, 50]);
 
   // Insert item 'newLength1' at position=0, before '100', should not remove it from the old position=6 afterwards.
   assert_equals(list.insertItemBefore(newLength1, 0).value, newLength1.value);
-  assert_equals(list.numberOfItems, 8);
-  assert_equals(list.getItem(0).value, 50);
-  assert_equals(list.getItem(1).value, 100);
-  assert_equals(list.getItem(2).value, 150);
-  assert_equals(list.getItem(3).value, 500);
-  assert_equals(list.getItem(4).value, 150);
-  assert_equals(list.getItem(5).value, 1000);
-  assert_equals(list.getItem(6).value, 1500);
-  assert_equals(list.getItem(7).value, 50);
-  assert_throws("IndexSizeError", function() { list.getItem(8); });
+  assert_list(list, [50, 100, 150, 500, 150, 1000, 1500, 50]);
 });
 </script>