1 files changed, 110 insertions, 0 deletions
diff --git a/testing/web-platform/tests/dom/nodes/ChildNode-replaceWith.html b/testing/web-platform/tests/dom/nodes/ChildNode-replaceWith.html
new file mode 100644
index 000000000..aab8b17f2
--- /dev/null
+++ b/testing/web-platform/tests/dom/nodes/ChildNode-replaceWith.html
@@ -0,0 +1,110 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>ChildNode.replaceWith</title>
+<link rel=help href="https://dom.spec.whatwg.org/#dom-childnode-replaceWith">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+
+function test_replaceWith(child, nodeName, innerHTML) {
+
+    test(function() {
+        var parent = document.createElement('div');
+        parent.appendChild(child);
+        child.replaceWith();
+        assert_equals(parent.innerHTML, '');
+    }, nodeName + '.replaceWith() without any argument.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        parent.appendChild(child);
+        child.replaceWith(null);
+        assert_equals(parent.innerHTML, 'null');
+    }, nodeName + '.replaceWith() with null as an argument.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        parent.appendChild(child);
+        child.replaceWith(undefined);
+        assert_equals(parent.innerHTML, 'undefined');
+    }, nodeName + '.replaceWith() with undefined as an argument.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        parent.appendChild(child);
+        child.replaceWith('');
+        assert_equals(parent.innerHTML, '');
+    }, nodeName + '.replaceWith() with empty string as an argument.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        parent.appendChild(child);
+        child.replaceWith('text');
+        assert_equals(parent.innerHTML, 'text');
+    }, nodeName + '.replaceWith() with only text as an argument.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        var x = document.createElement('x');
+        parent.appendChild(child);
+        child.replaceWith(x);
+        assert_equals(parent.innerHTML, '<x></x>');
+    }, nodeName + '.replaceWith() with only one element as an argument.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        var x = document.createElement('x');
+        var y = document.createElement('y');
+        var z = document.createElement('z');
+        parent.appendChild(y);
+        parent.appendChild(child);
+        parent.appendChild(x);
+        child.replaceWith(x, y, z);
+        assert_equals(parent.innerHTML, '<x></x><y></y><z></z>');
+    }, nodeName + '.replaceWith() with sibling of child as arguments.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        var x = document.createElement('x');
+        parent.appendChild(child);
+        parent.appendChild(x);
+        parent.appendChild(document.createTextNode('1'));
+        child.replaceWith(x, '2');
+        assert_equals(parent.innerHTML, '<x></x>21');
+    }, nodeName + '.replaceWith() with one sibling of child and text as arguments.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        var x = document.createElement('x');
+        parent.appendChild(child);
+        parent.appendChild(x);
+        parent.appendChild(document.createTextNode('text'));
+        child.replaceWith(x, child);
+        assert_equals(parent.innerHTML, '<x></x>' + innerHTML + 'text');
+    }, nodeName + '.replaceWith() with one sibling of child and child itself as arguments.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        var x = document.createElement('x');
+        parent.appendChild(child);
+        child.replaceWith(x, 'text');
+        assert_equals(parent.innerHTML, '<x></x>text');
+    }, nodeName + '.replaceWith() with one element and text as arguments.');
+
+    test(function() {
+        var parent = document.createElement('div');
+        var x = document.createElement('x');
+        var y = document.createElement('y');
+        parent.appendChild(x);
+        parent.appendChild(y);
+        child.replaceWith(x, y);
+        assert_equals(parent.innerHTML, '<x></x><y></y>');
+    }, nodeName + '.replaceWith() on a parentless child with two elements as arguments.');
+}
+
+test_replaceWith(document.createComment('test'), 'Comment', '<!--test-->');
+test_replaceWith(document.createElement('test'), 'Element', '<test></test>');
+test_replaceWith(document.createTextNode('test'), 'Text', 'test');
+
+</script>
+</html>