1 files changed, 70 insertions, 0 deletions
diff --git a/testing/web-platform/tests/FileAPI/url/url-format.any.js b/testing/web-platform/tests/FileAPI/url/url-format.any.js
new file mode 100644
index 0000000000..69c51113e6
--- /dev/null
+++ b/testing/web-platform/tests/FileAPI/url/url-format.any.js
@@ -0,0 +1,70 @@
+// META: timeout=long
+const blob = new Blob(['test']);
+const file = new File(['test'], 'name');
+
+test(t => {
+  const url_count = 5000;
+  let list = [];
+
+  t.add_cleanup(() => {
+    for (let url of list) {
+      URL.revokeObjectURL(url);
+    }
+  });
+
+  for (let i = 0; i < url_count; ++i)
+    list.push(URL.createObjectURL(blob));
+
+  list.sort();
+
+  for (let i = 1; i < list.length; ++i)
+    assert_not_equals(list[i], list[i-1], 'generated Blob URLs should be unique');
+}, 'Generated Blob URLs are unique');
+
+test(() => {
+  const url = URL.createObjectURL(blob);
+  assert_equals(typeof url, 'string');
+  assert_true(url.startsWith('blob:'));
+}, 'Blob URL starts with "blob:"');
+
+test(() => {
+  const url = URL.createObjectURL(file);
+  assert_equals(typeof url, 'string');
+  assert_true(url.startsWith('blob:'));
+}, 'Blob URL starts with "blob:" for Files');
+
+test(() => {
+  const url = URL.createObjectURL(blob);
+  assert_equals(new URL(url).origin, location.origin);
+  if (location.origin !== 'null') {
+    assert_true(url.includes(location.origin));
+    assert_true(url.startsWith('blob:' + location.protocol));
+  }
+}, 'Origin of Blob URL matches our origin');
+
+test(() => {
+  const url = URL.createObjectURL(blob);
+  const url_record = new URL(url);
+  assert_equals(url_record.protocol, 'blob:');
+  assert_equals(url_record.origin, location.origin);
+  assert_equals(url_record.host, '', 'host should be an empty string');
+  assert_equals(url_record.port, '', 'port should be an empty string');
+  const uuid_path_re = /\/[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
+  assert_true(uuid_path_re.test(url_record.pathname), 'Path must end with a valid UUID');
+  if (location.origin !== 'null') {
+    const nested_url = new URL(url_record.pathname);
+    assert_equals(nested_url.origin, location.origin);
+    assert_equals(nested_url.pathname.search(uuid_path_re), 0, 'Path must be a valid UUID');
+    assert_true(url.includes(location.origin));
+    assert_true(url.startsWith('blob:' + location.protocol));
+  }
+}, 'Blob URL parses correctly');
+
+test(() => {
+  const url = URL.createObjectURL(file);
+  assert_equals(new URL(url).origin, location.origin);
+  if (location.origin !== 'null') {
+    assert_true(url.includes(location.origin));
+    assert_true(url.startsWith('blob:' + location.protocol));
+  }
+}, 'Origin of Blob URL matches our origin for Files');