Populate level 3 cookies test.

specs/cookies/helpers/ProtocolCookies.js

 "use strict";
 function run(t) {
     var defProperties = t.properties.def;
-    t.done();
+    var ident = 'test';
+    var url = './resources/set-cookie.py?ident=' + ident;
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url, true);
+    xhr.onload = t.step_func(function() {
+        test(function() {
+            assert_equals(xhr.status, 200);
+        }, defProperties.expandedName + '-test-response-status');
+        if (xhr.status == 200) {
+            test(function() {
+                assert_equals(xhr.response, "NO_COOKIE");
+            }, defProperties.expandedName + '-test-cookie-not-present');
+            xhr.open('GET', url, true);
+            xhr.onload = t.step_func_done(function() {
+                test(function() {
+                    assert_equals(xhr.response, "COOKIE");
+                }, defProperties.expandedName + '-test-cookie-present');
+            });
+            xhr.send();
+        } else
+            t.done();
+    });
+    xhr.onerror = function() {
+        assert_unreached('unable to load ' + url);
+    };
+    document.cookie = ident + '=; expires=Thu, 01 Jan 1970 00:00:00 UTC';
+    xhr.send();
 }

specs/cookies/resources/set-cookie.py

+import pprint
+def main(request, response):
+    headers = [("Content-Type", "text/plain")]
+    ident = request.GET.first('ident', 'test')
+    if ident in request.cookies:
+        body = request.cookies[ident].value
+        response.delete_cookie(ident)
+    else:
+        response.set_cookie(ident, "COOKIE");
+        body = "NO_COOKIE"
+    return headers, body

tests/cookies/helpers/ProtocolCookies.js

 "use strict";
 function run(t) {
     var defProperties = t.properties.def;
-    t.done();
+    var ident = 'test';
+    var url = './resources/set-cookie.py?ident=' + ident;
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url, true);
+    xhr.onload = t.step_func(function() {
+        test(function() {
+            assert_equals(xhr.status, 200);
+        }, defProperties.expandedName + '-test-response-status');
+        if (xhr.status == 200) {
+            test(function() {
+                assert_equals(xhr.response, "NO_COOKIE");
+            }, defProperties.expandedName + '-test-cookie-not-present');
+            xhr.open('GET', url, true);
+            xhr.onload = t.step_func_done(function() {
+                test(function() {
+                    assert_equals(xhr.response, "COOKIE");
+                }, defProperties.expandedName + '-test-cookie-present');
+            });
+            xhr.send();
+        } else
+            t.done();
+    });
+    xhr.onerror = function() {
+        assert_unreached('unable to load ' + url);
+    };
+    document.cookie = ident + '=; expires=Thu, 01 Jan 1970 00:00:00 UTC';
+    xhr.send();
 }

tests/cookies/resources/set-cookie.py

+import pprint
+def main(request, response):
+    headers = [("Content-Type", "text/plain")]
+    ident = request.GET.first('ident', 'test')
+    if ident in request.cookies:
+        body = request.cookies[ident].value
+        response.delete_cookie(ident)
+    else:
+        response.set_cookie(ident, "COOKIE");
+        body = "NO_COOKIE"
+    return headers, body