1 files changed, 59 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/api/redirect/redirect-mode.any.js b/testing/web-platform/tests/fetch/api/redirect/redirect-mode.any.js
new file mode 100644
index 0000000000..9f1ff98c65
--- /dev/null
+++ b/testing/web-platform/tests/fetch/api/redirect/redirect-mode.any.js
@@ -0,0 +1,59 @@
+// META: script=/common/get-host-info.sub.js
+
+var redirectLocation = "cors-top.txt";
+const { ORIGIN, REMOTE_ORIGIN } = get_host_info();
+
+function testRedirect(origin, redirectStatus, redirectMode, corsMode) {
+  var url = new URL("../resources/redirect.py", self.location);
+  if (origin === "cross-origin") {
+    url.host = get_host_info().REMOTE_HOST;
+    url.port = get_host_info().HTTP_PORT;
+  }
+
+  var urlParameters = "?redirect_status=" + redirectStatus;
+  urlParameters += "&location=" + encodeURIComponent(redirectLocation);
+
+  var requestInit = {redirect: redirectMode, mode: corsMode};
+
+  promise_test(function(test) {
+    if (redirectMode === "error" ||
+        (corsMode === "no-cors" && redirectMode !== "follow" && origin !== "same-origin"))
+      return promise_rejects_js(test, TypeError, fetch(url + urlParameters, requestInit));
+    if (redirectMode === "manual")
+      return fetch(url + urlParameters, requestInit).then(function(resp) {
+        assert_equals(resp.status, 0, "Response's status is 0");
+        assert_equals(resp.type, "opaqueredirect", "Response's type is opaqueredirect");
+        assert_equals(resp.statusText, "", "Response's statusText is \"\"");
+        assert_equals(resp.url, url + urlParameters, "Response URL should be the original one");
+      });
+    if (redirectMode === "follow")
+      return fetch(url + urlParameters, requestInit).then(function(resp) {
+        if (corsMode !== "no-cors" || origin === "same-origin") {
+          assert_true(new URL(resp.url).pathname.endsWith(redirectLocation), "Response's url should be the redirected one");
+          assert_equals(resp.status, 200, "Response's status is 200");
+        } else {
+          assert_equals(resp.type, "opaque", "Response is opaque");
+        }
+      });
+    assert_unreached(redirectMode + " is no a valid redirect mode");
+  }, origin + " redirect " + redirectStatus + " in " + redirectMode + " redirect and " + corsMode + " mode");
+}
+
+for (var origin of ["same-origin", "cross-origin"]) {
+  for (var statusCode of [301, 302, 303, 307, 308]) {
+    for (var redirect of ["error", "manual", "follow"]) {
+      for (var mode of ["cors", "no-cors"])
+        testRedirect(origin, statusCode, redirect, mode);
+    }
+  }
+}
+
+promise_test(async (t) => {
+  const destination = `${ORIGIN}/common/blank.html`;
+  // We use /common/redirect.py intentionally, as we want a CORS error.
+  const url =
+    `${REMOTE_ORIGIN}/common/redirect.py?location=${destination}`;
+  await promise_rejects_js(t, TypeError,  fetch(url, { redirect: "manual" }));
+}, "manual redirect with a CORS error should be rejected");
+
+done();