diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index cbfb62f8af3..deee3a3eeb2 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -6120,6 +6120,18 @@
             "url": "/_mozilla/mozilla/script_type.html"
           }
         ],
+        "mozilla/send-arraybuffer.htm": [
+          {
+            "path": "mozilla/send-arraybuffer.htm",
+            "url": "/_mozilla/mozilla/send-arraybuffer.htm"
+          }
+        ],
+        "mozilla/send-blob.htm": [
+          {
+            "path": "mozilla/send-blob.htm",
+            "url": "/_mozilla/mozilla/send-blob.htm"
+          }
+        ],
         "mozilla/sequence-hole.html": [
           {
             "path": "mozilla/sequence-hole.html",
diff --git a/tests/wpt/mozilla/tests/mozilla/resources/content.py b/tests/wpt/mozilla/tests/mozilla/resources/content.py
new file mode 100644
index 00000000000..9369f21171c
--- /dev/null
+++ b/tests/wpt/mozilla/tests/mozilla/resources/content.py
@@ -0,0 +1,18 @@
+# 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/.
+
+
+def main(request, response):
+    headers = [("Content-type", "text/plain"),
+               ("X-Request-Method", request.method),
+               ("X-Request-Query", request.url_parts.query if request.url_parts.query else "NO"),
+               ("X-Request-Content-Length", request.headers.get("Content-Length", "NO")),
+               ("X-Request-Content-Type", request.headers.get("Content-Type", "NO"))]
+
+    if "content" in request.GET:
+        content = request.GET.first("content")
+    else:
+        content = request.body
+
+    return headers, content
diff --git a/tests/wpt/mozilla/tests/mozilla/send-arraybuffer.htm b/tests/wpt/mozilla/tests/mozilla/send-arraybuffer.htm
new file mode 100644
index 00000000000..9b297c8f232
--- /dev/null
+++ b/tests/wpt/mozilla/tests/mozilla/send-arraybuffer.htm
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-send()-method"  data-tested-assertations="following::ol[1]/li[4] following::ol[1]/li[4]/dl[1]/dd[1]"/>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-status-attribute"  data-tested-assertations="following::ol[1]/li[3]"/>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-response-attribute"  data-tested-assertations="following::ol[1]/li[3]"/>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <title>XMLHttpRequest: The send() method: ArrayBuffer data</title>
+</head>
+
+<body>
+    <div id="log"></div>
+
+    <script type="text/javascript">
+        var test = async_test();
+
+        test.step(function()
+        {
+            var xhr = new XMLHttpRequest();
+            var buf = new ArrayBuffer(5);
+            var arr = new Uint8Array(buf);
+            arr[0] = 0x48;
+            arr[1] = 0x65;
+            arr[2] = 0x6c;
+            arr[3] = 0x6c;
+            arr[4] = 0x6f;
+
+            xhr.onreadystatechange = function()
+            {
+                if (xhr.readyState == 4)
+                {
+                    test.step(function()
+                    {
+                        var arr = xhr.response;
+                        assert_equals(xhr.status, 200);
+                        assert_equals(typeof arr, "string");
+                        assert_equals(arr, "[object ArrayBuffer]");
+
+                        test.done();
+                    });
+                }
+            };
+
+            xhr.open("POST", "./resources/content.py", true);
+            xhr.send(buf);
+        });
+    </script>
+</body>
+</html>
diff --git a/tests/wpt/mozilla/tests/mozilla/send-blob.htm b/tests/wpt/mozilla/tests/mozilla/send-blob.htm
new file mode 100644
index 00000000000..895aae6d77b
--- /dev/null
+++ b/tests/wpt/mozilla/tests/mozilla/send-blob.htm
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-send()-method" data-tested-assertations="following::ol[1]/li[4] following::ol[1]/li[4]/dl[1]/dd[2]/p[3]"/>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-status-attribute"  data-tested-assertations="following::ol[1]/li[3]"/>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-responsetype-attribute"  data-tested-assertations="following::ol[1]/li[4]"/>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-response-attribute"  data-tested-assertations="following::a[contains(@href,'#blob-response-entity-body')]/.."/>
+
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <title>XMLHttpRequest: The send() method: Blob data</title>
+</head>
+
+<body>
+    <div id="log"></div>
+
+    <script type="text/javascript">
+        var test = async_test();
+
+        test.step(function()
+        {
+            var xhr = new XMLHttpRequest();
+            var xhr2 = new XMLHttpRequest();
+
+            var content = "Hello";
+            var blob;
+
+            xhr.onreadystatechange = function()
+            {
+                if (xhr.readyState == 4)
+                {
+                    test.step(function()
+                    {
+                        blob = xhr.response;
+                        assert_equals(typeof blob, "string");
+                        assert_true(blob == "Hello", "Blob equals Hello");
+
+                        xhr2.open("POST", "resources/content.py", true);
+                        xhr2.send(blob);
+                    });
+                }
+            }
+
+            xhr2.onreadystatechange = function()
+            {
+                if (xhr2.readyState == 4)
+                {
+                    test.step(function()
+                    {
+                        assert_equals(xhr2.status, 200);
+                        assert_equals(xhr2.response, content);
+                        test.done();
+                    });
+                }
+            };
+
+            xhr.open("GET", "./resources/content.py?content=" + content, true);
+            xhr.send();
+        });
+    </script>
+</body>
+</html>
