1 files changed, 68 insertions, 0 deletions
diff --git a/testing/web-platform/tests/FileAPI/url/url-with-xhr.any.js b/testing/web-platform/tests/FileAPI/url/url-with-xhr.any.js
new file mode 100644
index 0000000000..29d83080ab
--- /dev/null
+++ b/testing/web-platform/tests/FileAPI/url/url-with-xhr.any.js
@@ -0,0 +1,68 @@
+// META: script=resources/fetch-tests.js
+
+function xhr_should_succeed(test, url) {
+  return new Promise((resolve, reject) => {
+    const xhr = new XMLHttpRequest();
+    xhr.open('GET', url);
+    xhr.onload = test.step_func(() => {
+      assert_equals(xhr.status, 200);
+      assert_equals(xhr.statusText, 'OK');
+      resolve(xhr.response);
+    });
+    xhr.onerror = () => reject('Got unexpected error event');
+    xhr.send();
+  });
+}
+
+function xhr_should_fail(test, url, method = 'GET') {
+  const xhr = new XMLHttpRequest();
+  xhr.open(method, url);
+  const result1 = new Promise((resolve, reject) => {
+    xhr.onload = () => reject('Got unexpected load event');
+    xhr.onerror = resolve;
+  });
+  const result2 = new Promise(resolve => {
+    xhr.onreadystatechange = test.step_func(() => {
+      if (xhr.readyState !== xhr.DONE) return;
+      assert_equals(xhr.status, 0);
+      resolve();
+    });
+  });
+  xhr.send();
+  return Promise.all([result1, result2]);
+}
+
+fetch_tests('XHR', xhr_should_succeed, xhr_should_fail);
+
+async_test(t => {
+  const blob_contents = 'test blob contents';
+  const blob_type = 'image/png';
+  const blob = new Blob([blob_contents], {type: blob_type});
+  const url = URL.createObjectURL(blob);
+  const xhr = new XMLHttpRequest();
+  xhr.open('GET', url);
+  xhr.onloadend = t.step_func_done(() => {
+    assert_equals(xhr.getResponseHeader('Content-Type'), blob_type);
+  });
+  xhr.send();
+}, 'XHR should return Content-Type from Blob');
+
+async_test(t => {
+  const blob_contents = 'test blob contents';
+  const blob = new Blob([blob_contents]);
+  const url = URL.createObjectURL(blob);
+  const xhr = new XMLHttpRequest();
+  xhr.open('GET', url);
+
+  // Revoke the object URL.  XHR should take a reference to the blob as soon as
+  // it receives it in open(), so the request succeeds even though we revoke the
+  // URL before calling send().
+  URL.revokeObjectURL(url);
+
+  xhr.onload = t.step_func_done(() => {
+    assert_equals(xhr.response, blob_contents);
+  });
+  xhr.onerror = t.unreached_func('Got unexpected error event');
+
+  xhr.send();
+}, 'Revoke blob URL after open(), will fetch');