1 files changed, 40 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/links/downloading-resources/header-referrer.js b/testing/web-platform/tests/html/semantics/links/downloading-resources/header-referrer.js
new file mode 100644
index 0000000000..818649fbff
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/links/downloading-resources/header-referrer.js
@@ -0,0 +1,40 @@
+const RESOURCES_DIR = "/html/semantics/links/downloading-resources/resources/";
+
+function testReferrerHeader(expectedReferrer) {
+  let id = self.token();
+  let testUrl = RESOURCES_DIR + "inspect-header.py?header=referer&cmd=put&id=" + id;
+
+  promise_test(function(test) {
+    const anchor = document.getElementById("a");
+    anchor.setAttribute("ping", testUrl);
+    anchor.click();
+    return pollResult(id) .then(result => {
+      assert_equals(result, expectedReferrer, "Correct referrer header result");
+    });
+  }, "Test referer header " + RESOURCES_DIR);
+}
+
+// Sending a ping is an asynchronous and non-blocking request to a web server.
+// We may have to create a poll loop to get result from server
+function pollResult(id) {
+  let checkUrl = RESOURCES_DIR + "inspect-header.py?header=referer&cmd=get&id=" + id;
+
+  return new Promise(resolve => {
+    function checkResult() {
+      fetch(checkUrl).then(
+        function(response) {
+          assert_equals(response.status, 200, "Inspect header response's status is 200");
+          let result = response.headers.get("x-request-referer");
+
+          if (result != undefined) {
+            resolve(result);
+          } else {
+            step_timeout(checkResult.bind(this), 100);
+          }
+        });
+    }
+
+    checkResult();
+  });
+
+}