From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../test/fetch/cookie/cookie_test.js               |  11 +
 dom/serviceworkers/test/fetch/cookie/register.html |  19 +
 .../test/fetch/cookie/unregister.html              |  12 +
 dom/serviceworkers/test/fetch/deliver-gzip.sjs     |  21 +
 dom/serviceworkers/test/fetch/fetch_tests.js       | 716 +++++++++++++++++++++
 .../test/fetch/fetch_worker_script.js              |  28 +
 dom/serviceworkers/test/fetch/hsts/embedder.html   |   7 +
 dom/serviceworkers/test/fetch/hsts/hsts_test.js    |  11 +
 dom/serviceworkers/test/fetch/hsts/image-20px.png  | Bin 0 -> 87 bytes
 dom/serviceworkers/test/fetch/hsts/image-40px.png  | Bin 0 -> 123 bytes
 dom/serviceworkers/test/fetch/hsts/image.html      |  13 +
 dom/serviceworkers/test/fetch/hsts/realindex.html  |   8 +
 dom/serviceworkers/test/fetch/hsts/register.html   |  14 +
 .../test/fetch/hsts/register.html^headers^         |   2 +
 dom/serviceworkers/test/fetch/hsts/unregister.html |  12 +
 .../test/fetch/https/clonedresponse/https_test.js  |  19 +
 .../test/fetch/https/clonedresponse/index.html     |   4 +
 .../test/fetch/https/clonedresponse/register.html  |  14 +
 .../fetch/https/clonedresponse/unregister.html     |  12 +
 dom/serviceworkers/test/fetch/https/https_test.js  |  31 +
 dom/serviceworkers/test/fetch/https/index.html     |   4 +
 dom/serviceworkers/test/fetch/https/register.html  |  20 +
 .../test/fetch/https/unregister.html               |  12 +
 .../test/fetch/imagecache-maxage/image-20px.png    | Bin 0 -> 87 bytes
 .../test/fetch/imagecache-maxage/image-40px.png    | Bin 0 -> 123 bytes
 .../test/fetch/imagecache-maxage/index.html        |  29 +
 .../test/fetch/imagecache-maxage/maxage_test.js    |  45 ++
 .../test/fetch/imagecache-maxage/register.html     |  14 +
 .../test/fetch/imagecache-maxage/unregister.html   |  12 +
 .../test/fetch/imagecache/image-20px.png           | Bin 0 -> 87 bytes
 .../test/fetch/imagecache/image-40px.png           | Bin 0 -> 123 bytes
 .../test/fetch/imagecache/imagecache_test.js       |  15 +
 .../test/fetch/imagecache/index.html               |  20 +
 .../test/fetch/imagecache/postmortem.html          |   9 +
 .../test/fetch/imagecache/register.html            |  16 +
 .../test/fetch/imagecache/unregister.html          |  12 +
 .../fetch/importscript-mixedcontent/https_test.js  |  31 +
 .../fetch/importscript-mixedcontent/register.html  |  14 +
 .../importscript-mixedcontent/unregister.html      |  12 +
 dom/serviceworkers/test/fetch/index.html           | 191 ++++++
 dom/serviceworkers/test/fetch/interrupt.sjs        |  20 +
 .../test/fetch/origin/https/index-https.sjs        |   8 +
 .../test/fetch/origin/https/origin_test.js         |  29 +
 .../test/fetch/origin/https/realindex.html         |   6 +
 .../fetch/origin/https/realindex.html^headers^     |   1 +
 .../test/fetch/origin/https/register.html          |  14 +
 .../test/fetch/origin/https/unregister.html        |  12 +
 .../test/fetch/origin/index-to-https.sjs           |   8 +
 dom/serviceworkers/test/fetch/origin/index.sjs     |   8 +
 .../test/fetch/origin/origin_test.js               |  38 ++
 .../test/fetch/origin/realindex.html               |   6 +
 .../test/fetch/origin/realindex.html^headers^      |   1 +
 dom/serviceworkers/test/fetch/origin/register.html |  14 +
 .../test/fetch/origin/unregister.html              |  12 +
 dom/serviceworkers/test/fetch/plugin/plugins.html  |  43 ++
 dom/serviceworkers/test/fetch/plugin/worker.js     |  15 +
 dom/serviceworkers/test/fetch/real-file.txt        |   1 +
 dom/serviceworkers/test/fetch/redirect.sjs         |   4 +
 .../test/fetch/requesturl/index.html               |   7 +
 .../test/fetch/requesturl/redirect.sjs             |   8 +
 .../test/fetch/requesturl/redirector.html          |   2 +
 .../test/fetch/requesturl/register.html            |  14 +
 .../test/fetch/requesturl/requesturl_test.js       |  21 +
 .../test/fetch/requesturl/secret.html              |   5 +
 .../test/fetch/requesturl/unregister.html          |  12 +
 dom/serviceworkers/test/fetch/sandbox/index.html   |   5 +
 .../test/fetch/sandbox/intercepted_index.html      |   5 +
 .../test/fetch/sandbox/register.html               |  14 +
 .../test/fetch/sandbox/sandbox_test.js             |   5 +
 .../test/fetch/sandbox/unregister.html             |  12 +
 .../test/fetch/upgrade-insecure/embedder.html      |  10 +
 .../fetch/upgrade-insecure/embedder.html^headers^  |   1 +
 .../test/fetch/upgrade-insecure/image-20px.png     | Bin 0 -> 87 bytes
 .../test/fetch/upgrade-insecure/image-40px.png     | Bin 0 -> 123 bytes
 .../test/fetch/upgrade-insecure/image.html         |  13 +
 .../test/fetch/upgrade-insecure/realindex.html     |   4 +
 .../test/fetch/upgrade-insecure/register.html      |  14 +
 .../test/fetch/upgrade-insecure/unregister.html    |  12 +
 .../upgrade-insecure/upgrade-insecure_test.js      |  11 +
 79 files changed, 1825 insertions(+)
 create mode 100644 dom/serviceworkers/test/fetch/cookie/cookie_test.js
 create mode 100644 dom/serviceworkers/test/fetch/cookie/register.html
 create mode 100644 dom/serviceworkers/test/fetch/cookie/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/deliver-gzip.sjs
 create mode 100644 dom/serviceworkers/test/fetch/fetch_tests.js
 create mode 100644 dom/serviceworkers/test/fetch/fetch_worker_script.js
 create mode 100644 dom/serviceworkers/test/fetch/hsts/embedder.html
 create mode 100644 dom/serviceworkers/test/fetch/hsts/hsts_test.js
 create mode 100644 dom/serviceworkers/test/fetch/hsts/image-20px.png
 create mode 100644 dom/serviceworkers/test/fetch/hsts/image-40px.png
 create mode 100644 dom/serviceworkers/test/fetch/hsts/image.html
 create mode 100644 dom/serviceworkers/test/fetch/hsts/realindex.html
 create mode 100644 dom/serviceworkers/test/fetch/hsts/register.html
 create mode 100644 dom/serviceworkers/test/fetch/hsts/register.html^headers^
 create mode 100644 dom/serviceworkers/test/fetch/hsts/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/https/clonedresponse/https_test.js
 create mode 100644 dom/serviceworkers/test/fetch/https/clonedresponse/index.html
 create mode 100644 dom/serviceworkers/test/fetch/https/clonedresponse/register.html
 create mode 100644 dom/serviceworkers/test/fetch/https/clonedresponse/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/https/https_test.js
 create mode 100644 dom/serviceworkers/test/fetch/https/index.html
 create mode 100644 dom/serviceworkers/test/fetch/https/register.html
 create mode 100644 dom/serviceworkers/test/fetch/https/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/imagecache-maxage/image-20px.png
 create mode 100644 dom/serviceworkers/test/fetch/imagecache-maxage/image-40px.png
 create mode 100644 dom/serviceworkers/test/fetch/imagecache-maxage/index.html
 create mode 100644 dom/serviceworkers/test/fetch/imagecache-maxage/maxage_test.js
 create mode 100644 dom/serviceworkers/test/fetch/imagecache-maxage/register.html
 create mode 100644 dom/serviceworkers/test/fetch/imagecache-maxage/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/imagecache/image-20px.png
 create mode 100644 dom/serviceworkers/test/fetch/imagecache/image-40px.png
 create mode 100644 dom/serviceworkers/test/fetch/imagecache/imagecache_test.js
 create mode 100644 dom/serviceworkers/test/fetch/imagecache/index.html
 create mode 100644 dom/serviceworkers/test/fetch/imagecache/postmortem.html
 create mode 100644 dom/serviceworkers/test/fetch/imagecache/register.html
 create mode 100644 dom/serviceworkers/test/fetch/imagecache/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/importscript-mixedcontent/https_test.js
 create mode 100644 dom/serviceworkers/test/fetch/importscript-mixedcontent/register.html
 create mode 100644 dom/serviceworkers/test/fetch/importscript-mixedcontent/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/index.html
 create mode 100644 dom/serviceworkers/test/fetch/interrupt.sjs
 create mode 100644 dom/serviceworkers/test/fetch/origin/https/index-https.sjs
 create mode 100644 dom/serviceworkers/test/fetch/origin/https/origin_test.js
 create mode 100644 dom/serviceworkers/test/fetch/origin/https/realindex.html
 create mode 100644 dom/serviceworkers/test/fetch/origin/https/realindex.html^headers^
 create mode 100644 dom/serviceworkers/test/fetch/origin/https/register.html
 create mode 100644 dom/serviceworkers/test/fetch/origin/https/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/origin/index-to-https.sjs
 create mode 100644 dom/serviceworkers/test/fetch/origin/index.sjs
 create mode 100644 dom/serviceworkers/test/fetch/origin/origin_test.js
 create mode 100644 dom/serviceworkers/test/fetch/origin/realindex.html
 create mode 100644 dom/serviceworkers/test/fetch/origin/realindex.html^headers^
 create mode 100644 dom/serviceworkers/test/fetch/origin/register.html
 create mode 100644 dom/serviceworkers/test/fetch/origin/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/plugin/plugins.html
 create mode 100644 dom/serviceworkers/test/fetch/plugin/worker.js
 create mode 100644 dom/serviceworkers/test/fetch/real-file.txt
 create mode 100644 dom/serviceworkers/test/fetch/redirect.sjs
 create mode 100644 dom/serviceworkers/test/fetch/requesturl/index.html
 create mode 100644 dom/serviceworkers/test/fetch/requesturl/redirect.sjs
 create mode 100644 dom/serviceworkers/test/fetch/requesturl/redirector.html
 create mode 100644 dom/serviceworkers/test/fetch/requesturl/register.html
 create mode 100644 dom/serviceworkers/test/fetch/requesturl/requesturl_test.js
 create mode 100644 dom/serviceworkers/test/fetch/requesturl/secret.html
 create mode 100644 dom/serviceworkers/test/fetch/requesturl/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/sandbox/index.html
 create mode 100644 dom/serviceworkers/test/fetch/sandbox/intercepted_index.html
 create mode 100644 dom/serviceworkers/test/fetch/sandbox/register.html
 create mode 100644 dom/serviceworkers/test/fetch/sandbox/sandbox_test.js
 create mode 100644 dom/serviceworkers/test/fetch/sandbox/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/upgrade-insecure/embedder.html
 create mode 100644 dom/serviceworkers/test/fetch/upgrade-insecure/embedder.html^headers^
 create mode 100644 dom/serviceworkers/test/fetch/upgrade-insecure/image-20px.png
 create mode 100644 dom/serviceworkers/test/fetch/upgrade-insecure/image-40px.png
 create mode 100644 dom/serviceworkers/test/fetch/upgrade-insecure/image.html
 create mode 100644 dom/serviceworkers/test/fetch/upgrade-insecure/realindex.html
 create mode 100644 dom/serviceworkers/test/fetch/upgrade-insecure/register.html
 create mode 100644 dom/serviceworkers/test/fetch/upgrade-insecure/unregister.html
 create mode 100644 dom/serviceworkers/test/fetch/upgrade-insecure/upgrade-insecure_test.js

(limited to 'dom/serviceworkers/test/fetch')

diff --git a/dom/serviceworkers/test/fetch/cookie/cookie_test.js b/dom/serviceworkers/test/fetch/cookie/cookie_test.js
new file mode 100644
index 0000000000..4102b4b341
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/cookie/cookie_test.js
@@ -0,0 +1,11 @@
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("synth.html")) {
+    var body =
+      "<script>" +
+      'window.parent.postMessage({status: "done", cookie: document.cookie}, "*");' +
+      "</script>";
+    event.respondWith(
+      new Response(body, { headers: { "Content-Type": "text/html" } })
+    );
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/cookie/register.html b/dom/serviceworkers/test/fetch/cookie/register.html
new file mode 100644
index 0000000000..99eabaf0a2
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/cookie/register.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<script src="../../utils.js"></script>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  document.cookie = "foo=bar";
+
+  navigator.serviceWorker.register("cookie_test.js", {scope: "."})
+                         .then(reg => {
+                           return waitForState(reg.installing, "activated", reg);
+                         }).then(done);
+</script>
diff --git a/dom/serviceworkers/test/fetch/cookie/unregister.html b/dom/serviceworkers/test/fetch/cookie/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/cookie/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/deliver-gzip.sjs b/dom/serviceworkers/test/fetch/deliver-gzip.sjs
new file mode 100644
index 0000000000..d7cbdef06e
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/deliver-gzip.sjs
@@ -0,0 +1,21 @@
+"use strict";
+
+function handleRequest(request, response) {
+  // The string "hello" repeated 10 times followed by newline. Compressed using gzip.
+  // prettier-ignore
+  let bytes = [0x1f, 0x8b, 0x08, 0x08, 0x4d, 0xe2, 0xf9, 0x54, 0x00, 0x03, 0x68,
+               0x65, 0x6c, 0x6c, 0x6f, 0x00, 0xcb, 0x48, 0xcd, 0xc9, 0xc9, 0xcf,
+               0x20, 0x85, 0xe0, 0x02, 0x00, 0xf5, 0x4b, 0x38, 0xcf, 0x33, 0x00,
+               0x00, 0x00];
+
+  response.setHeader("Content-Encoding", "gzip", false);
+  response.setHeader("Content-Length", "" + bytes.length, false);
+  response.setHeader("Content-Type", "text/plain", false);
+
+  let bos = Components.classes[
+    "@mozilla.org/binaryoutputstream;1"
+  ].createInstance(Components.interfaces.nsIBinaryOutputStream);
+  bos.setOutputStream(response.bodyOutputStream);
+
+  bos.writeByteArray(bytes);
+}
diff --git a/dom/serviceworkers/test/fetch/fetch_tests.js b/dom/serviceworkers/test/fetch/fetch_tests.js
new file mode 100644
index 0000000000..69b8a89679
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/fetch_tests.js
@@ -0,0 +1,716 @@
+var origin = "http://mochi.test:8888";
+
+function fetchXHRWithMethod(name, method, onload, onerror, headers) {
+  expectAsyncResult();
+
+  onload =
+    onload ||
+    function () {
+      my_ok(false, "XHR load should not complete successfully");
+      finish();
+    };
+  onerror =
+    onerror ||
+    function () {
+      my_ok(
+        false,
+        "XHR load for " + name + " should be intercepted successfully"
+      );
+      finish();
+    };
+
+  var x = new XMLHttpRequest();
+  x.open(method, name, true);
+  x.onload = function () {
+    onload(x);
+  };
+  x.onerror = function () {
+    onerror(x);
+  };
+  headers = headers || [];
+  headers.forEach(function (header) {
+    x.setRequestHeader(header[0], header[1]);
+  });
+  x.send();
+}
+
+var corsServerPath =
+  "/tests/dom/security/test/cors/file_CrossSiteXHR_server.sjs";
+var corsServerURL = "http://example.com" + corsServerPath;
+
+function redirectURL(hops) {
+  return (
+    hops[0].server +
+    corsServerPath +
+    "?hop=1&hops=" +
+    encodeURIComponent(JSON.stringify(hops))
+  );
+}
+
+function fetchXHR(name, onload, onerror, headers) {
+  return fetchXHRWithMethod(name, "GET", onload, onerror, headers);
+}
+
+fetchXHR("bare-synthesized.txt", function (xhr) {
+  my_ok(xhr.status == 200, "load should be successful");
+  my_ok(
+    xhr.responseText == "synthesized response body",
+    "load should have synthesized response"
+  );
+  finish();
+});
+
+fetchXHR("test-respondwith-response.txt", function (xhr) {
+  my_ok(
+    xhr.status == 200,
+    "test-respondwith-response load should be successful"
+  );
+  my_ok(
+    xhr.responseText == "test-respondwith-response response body",
+    "load should have response"
+  );
+  finish();
+});
+
+fetchXHR("synthesized-404.txt", function (xhr) {
+  my_ok(xhr.status == 404, "load should 404");
+  my_ok(
+    xhr.responseText == "synthesized response body",
+    "404 load should have synthesized response"
+  );
+  finish();
+});
+
+fetchXHR("synthesized-headers.txt", function (xhr) {
+  my_ok(xhr.status == 200, "load should be successful");
+  my_ok(
+    xhr.getResponseHeader("X-Custom-Greeting") === "Hello",
+    "custom header should be set"
+  );
+  my_ok(
+    xhr.responseText == "synthesized response body",
+    "custom header load should have synthesized response"
+  );
+  finish();
+});
+
+fetchXHR("synthesized-redirect-real-file.txt", function (xhr) {
+  dump("Got status AARRGH " + xhr.status + " " + xhr.responseText + "\n");
+  my_ok(xhr.status == 200, "load should be successful");
+  my_ok(
+    xhr.responseText == "This is a real file.\n",
+    "Redirect to real file should complete."
+  );
+  finish();
+});
+
+fetchXHR("synthesized-redirect-twice-real-file.txt", function (xhr) {
+  my_ok(xhr.status == 200, "load should be successful");
+  my_ok(
+    xhr.responseText == "This is a real file.\n",
+    "Redirect to real file (twice) should complete."
+  );
+  finish();
+});
+
+fetchXHR("synthesized-redirect-synthesized.txt", function (xhr) {
+  my_ok(xhr.status == 200, "synth+redirect+synth load should be successful");
+  my_ok(
+    xhr.responseText == "synthesized response body",
+    "load should have redirected+synthesized response"
+  );
+  finish();
+});
+
+fetchXHR("synthesized-redirect-twice-synthesized.txt", function (xhr) {
+  my_ok(
+    xhr.status == 200,
+    "synth+redirect+synth (twice) load should be successful"
+  );
+  my_ok(
+    xhr.responseText == "synthesized response body",
+    "load should have redirected+synthesized (twice) response"
+  );
+  finish();
+});
+
+fetchXHR("redirect.sjs", function (xhr) {
+  my_ok(xhr.status == 404, "redirected load should be uninterrupted");
+  finish();
+});
+
+fetchXHR("ignored.txt", function (xhr) {
+  my_ok(xhr.status == 404, "load should be uninterrupted");
+  finish();
+});
+
+fetchXHR("rejected.txt", null, function (xhr) {
+  my_ok(xhr.status == 0, "load should not complete");
+  finish();
+});
+
+fetchXHR("nonresponse.txt", null, function (xhr) {
+  my_ok(xhr.status == 0, "load should not complete");
+  finish();
+});
+
+fetchXHR("nonresponse2.txt", null, function (xhr) {
+  my_ok(xhr.status == 0, "load should not complete");
+  finish();
+});
+
+fetchXHR("nonpromise.txt", null, function (xhr) {
+  my_ok(xhr.status == 0, "load should not complete");
+  finish();
+});
+
+fetchXHR(
+  "headers.txt",
+  function (xhr) {
+    my_ok(xhr.status == 200, "load should be successful");
+    my_ok(xhr.responseText == "1", "request header checks should have passed");
+    finish();
+  },
+  null,
+  [
+    ["X-Test1", "header1"],
+    ["X-Test2", "header2"],
+  ]
+);
+
+fetchXHR("http://user:pass@mochi.test:8888/user-pass", function (xhr) {
+  my_ok(xhr.status == 200, "load should be successful");
+  my_ok(
+    xhr.responseText == "http://user:pass@mochi.test:8888/user-pass",
+    "The username and password should be preserved"
+  );
+  finish();
+});
+
+fetchXHR("readable-stream.txt", function (xhr) {
+  my_ok(xhr.status == 200, "loading completed");
+  my_ok(xhr.responseText == "Hello!", "The message is correct!");
+  finish();
+});
+
+fetchXHR(
+  "readable-stream-locked.txt",
+  function (xhr) {
+    my_ok(false, "This should not be called!");
+    finish();
+  },
+  function () {
+    my_ok(true, "The exception has been correctly handled!");
+    finish();
+  }
+);
+
+fetchXHR(
+  "readable-stream-with-exception.txt",
+  function (xhr) {
+    my_ok(false, "This should not be called!");
+    finish();
+  },
+  function () {
+    my_ok(true, "The exception has been correctly handled!");
+    finish();
+  }
+);
+
+fetchXHR(
+  "readable-stream-with-exception2.txt",
+  function (xhr) {
+    my_ok(false, "This should not be called!");
+    finish();
+  },
+  function () {
+    my_ok(true, "The exception has been correctly handled!");
+    finish();
+  }
+);
+
+fetchXHR(
+  "readable-stream-already-consumed.txt",
+  function (xhr) {
+    my_ok(false, "This should not be called!");
+    finish();
+  },
+  function () {
+    my_ok(true, "The exception has been correctly handled!");
+    finish();
+  }
+);
+
+var expectedUncompressedResponse = "";
+for (let i = 0; i < 10; ++i) {
+  expectedUncompressedResponse += "hello";
+}
+expectedUncompressedResponse += "\n";
+
+// ServiceWorker does not intercept, at which point the network request should
+// be correctly decoded.
+fetchXHR("deliver-gzip.sjs", function (xhr) {
+  my_ok(xhr.status == 200, "network gzip load should be successful");
+  my_ok(
+    xhr.responseText == expectedUncompressedResponse,
+    "network gzip load should have synthesized response."
+  );
+  my_ok(
+    xhr.getResponseHeader("Content-Encoding") == "gzip",
+    "network Content-Encoding should be gzip."
+  );
+  my_ok(
+    xhr.getResponseHeader("Content-Length") == "35",
+    "network Content-Length should be of original gzipped file."
+  );
+  finish();
+});
+
+fetchXHR("hello.gz", function (xhr) {
+  my_ok(xhr.status == 200, "gzip load should be successful");
+  my_ok(
+    xhr.responseText == expectedUncompressedResponse,
+    "gzip load should have synthesized response."
+  );
+  my_ok(
+    xhr.getResponseHeader("Content-Encoding") == "gzip",
+    "Content-Encoding should be gzip."
+  );
+  my_ok(
+    xhr.getResponseHeader("Content-Length") == "35",
+    "Content-Length should be of original gzipped file."
+  );
+  finish();
+});
+
+fetchXHR("hello-after-extracting.gz", function (xhr) {
+  my_ok(xhr.status == 200, "gzip load after extracting should be successful");
+  my_ok(
+    xhr.responseText == expectedUncompressedResponse,
+    "gzip load after extracting should have synthesized response."
+  );
+  my_ok(
+    xhr.getResponseHeader("Content-Encoding") == "gzip",
+    "Content-Encoding after extracting should be gzip."
+  );
+  my_ok(
+    xhr.getResponseHeader("Content-Length") == "35",
+    "Content-Length after extracting should be of original gzipped file."
+  );
+  finish();
+});
+
+fetchXHR(corsServerURL + "?status=200&allowOrigin=*", function (xhr) {
+  my_ok(
+    xhr.status == 200,
+    "cross origin load with correct headers should be successful"
+  );
+  my_ok(
+    xhr.getResponseHeader("access-control-allow-origin") == null,
+    "cors headers should be filtered out"
+  );
+  finish();
+});
+
+// Verify origin header is sent properly even when we have a no-intercept SW.
+var uriOrigin = encodeURIComponent(origin);
+fetchXHR(
+  "http://example.org" +
+    corsServerPath +
+    "?ignore&status=200&origin=" +
+    uriOrigin +
+    "&allowOrigin=" +
+    uriOrigin,
+  function (xhr) {
+    my_ok(
+      xhr.status == 200,
+      "cross origin load with correct headers should be successful"
+    );
+    my_ok(
+      xhr.getResponseHeader("access-control-allow-origin") == null,
+      "cors headers should be filtered out"
+    );
+    finish();
+  }
+);
+
+// Verify that XHR is considered CORS tainted even when original URL is same-origin
+// redirected to cross-origin.
+fetchXHR(
+  redirectURL([
+    { server: origin },
+    { server: "http://example.org", allowOrigin: origin },
+  ]),
+  function (xhr) {
+    my_ok(
+      xhr.status == 200,
+      "cross origin load with correct headers should be successful"
+    );
+    my_ok(
+      xhr.getResponseHeader("access-control-allow-origin") == null,
+      "cors headers should be filtered out"
+    );
+    finish();
+  }
+);
+
+// Test that CORS preflight requests cannot be intercepted. Performs a
+// cross-origin XHR that the SW chooses not to intercept. This requires a
+// preflight request, which the SW must not be allowed to intercept.
+fetchXHR(
+  corsServerURL + "?status=200&allowOrigin=*",
+  null,
+  function (xhr) {
+    my_ok(
+      xhr.status == 0,
+      "cross origin load with incorrect headers should be a failure"
+    );
+    finish();
+  },
+  [["X-Unsafe", "unsafe"]]
+);
+
+// Test that CORS preflight requests cannot be intercepted. Performs a
+// cross-origin XHR that the SW chooses to intercept and respond with a
+// cross-origin fetch. This requires a preflight request, which the SW must not
+// be allowed to intercept.
+fetchXHR(
+  "http://example.org" + corsServerPath + "?status=200&allowOrigin=*",
+  null,
+  function (xhr) {
+    my_ok(
+      xhr.status == 0,
+      "cross origin load with incorrect headers should be a failure"
+    );
+    finish();
+  },
+  [["X-Unsafe", "unsafe"]]
+);
+
+// Test that when the page fetches a url the controlling SW forces a redirect to
+// another location. This other location fetch should also be intercepted by
+// the SW.
+fetchXHR("something.txt", function (xhr) {
+  my_ok(xhr.status == 200, "load should be successful");
+  my_ok(
+    xhr.responseText == "something else response body",
+    "load should have something else"
+  );
+  finish();
+});
+
+// Test fetch will internally get it's SkipServiceWorker flag set. The request is
+// made from the SW through fetch(). fetch() fetches a server-side JavaScript
+// file that force a redirect. The redirect location fetch does not go through
+// the SW.
+fetchXHR("redirect_serviceworker.sjs", function (xhr) {
+  my_ok(xhr.status == 200, "load should be successful");
+  my_ok(
+    xhr.responseText == "// empty worker, always succeed!\n",
+    "load should have redirection content"
+  );
+  finish();
+});
+
+fetchXHR(
+  "empty-header",
+  function (xhr) {
+    my_ok(xhr.status == 200, "load should be successful");
+    my_ok(
+      xhr.responseText == "emptyheader",
+      "load should have the expected content"
+    );
+    finish();
+  },
+  null,
+  [["emptyheader", ""]]
+);
+
+expectAsyncResult();
+fetch(
+  "http://example.com/tests/dom/security/test/cors/file_CrossSiteXHR_server.sjs?status=200&allowOrigin=*"
+).then(
+  function (res) {
+    my_ok(res.ok, "Valid CORS request should receive valid response");
+    my_ok(res.type == "cors", "Response type should be CORS");
+    res.text().then(function (body) {
+      my_ok(
+        body === "<res>hello pass</res>\n",
+        "cors response body should match"
+      );
+      finish();
+    });
+  },
+  function (e) {
+    my_ok(false, "CORS Fetch failed");
+    finish();
+  }
+);
+
+expectAsyncResult();
+fetch(
+  "http://example.com/tests/dom/security/test/cors/file_CrossSiteXHR_server.sjs?status=200",
+  { mode: "no-cors" }
+).then(
+  function (res) {
+    my_ok(res.type == "opaque", "Response type should be opaque");
+    my_ok(res.status == 0, "Status should be 0");
+    res.text().then(function (body) {
+      my_ok(body === "", "opaque response body should be empty");
+      finish();
+    });
+  },
+  function (e) {
+    my_ok(false, "no-cors Fetch failed");
+    finish();
+  }
+);
+
+expectAsyncResult();
+fetch("opaque-on-same-origin").then(
+  function (res) {
+    my_ok(
+      false,
+      "intercepted opaque response for non no-cors request should fail."
+    );
+    finish();
+  },
+  function (e) {
+    my_ok(
+      true,
+      "intercepted opaque response for non no-cors request should fail."
+    );
+    finish();
+  }
+);
+
+expectAsyncResult();
+fetch("http://example.com/opaque-no-cors", { mode: "no-cors" }).then(
+  function (res) {
+    my_ok(
+      res.type == "opaque",
+      "intercepted opaque response for no-cors request should have type opaque."
+    );
+    finish();
+  },
+  function (e) {
+    my_ok(
+      false,
+      "intercepted opaque response for no-cors request should pass."
+    );
+    finish();
+  }
+);
+
+expectAsyncResult();
+fetch("http://example.com/cors-for-no-cors", { mode: "no-cors" }).then(
+  function (res) {
+    my_ok(
+      res.type == "cors",
+      "synthesize CORS response should result in outer CORS response"
+    );
+    finish();
+  },
+  function (e) {
+    my_ok(false, "cors-for-no-cors request should not reject");
+    finish();
+  }
+);
+
+function arrayBufferFromString(str) {
+  var arr = new Uint8Array(str.length);
+  for (let i = 0; i < str.length; ++i) {
+    arr[i] = str.charCodeAt(i);
+  }
+  return arr;
+}
+
+expectAsyncResult();
+fetch(new Request("body-simple", { method: "POST", body: "my body" }))
+  .then(function (res) {
+    return res.text();
+  })
+  .then(function (body) {
+    my_ok(
+      body == "my bodymy body",
+      "the body of the intercepted fetch should be visible in the SW"
+    );
+    finish();
+  });
+
+expectAsyncResult();
+fetch(
+  new Request("body-arraybufferview", {
+    method: "POST",
+    body: arrayBufferFromString("my body"),
+  })
+)
+  .then(function (res) {
+    return res.text();
+  })
+  .then(function (body) {
+    my_ok(
+      body == "my bodymy body",
+      "the ArrayBufferView body of the intercepted fetch should be visible in the SW"
+    );
+    finish();
+  });
+
+expectAsyncResult();
+fetch(
+  new Request("body-arraybuffer", {
+    method: "POST",
+    body: arrayBufferFromString("my body").buffer,
+  })
+)
+  .then(function (res) {
+    return res.text();
+  })
+  .then(function (body) {
+    my_ok(
+      body == "my bodymy body",
+      "the ArrayBuffer body of the intercepted fetch should be visible in the SW"
+    );
+    finish();
+  });
+
+expectAsyncResult();
+var usp = new URLSearchParams();
+usp.set("foo", "bar");
+usp.set("baz", "qux");
+fetch(new Request("body-urlsearchparams", { method: "POST", body: usp }))
+  .then(function (res) {
+    return res.text();
+  })
+  .then(function (body) {
+    my_ok(
+      body == "foo=bar&baz=quxfoo=bar&baz=qux",
+      "the URLSearchParams body of the intercepted fetch should be visible in the SW"
+    );
+    finish();
+  });
+
+expectAsyncResult();
+var fd = new FormData();
+fd.set("foo", "bar");
+fd.set("baz", "qux");
+fetch(new Request("body-formdata", { method: "POST", body: fd }))
+  .then(function (res) {
+    return res.text();
+  })
+  .then(function (body) {
+    my_ok(
+      body.indexOf('Content-Disposition: form-data; name="foo"\r\n\r\nbar') <
+        body.indexOf('Content-Disposition: form-data; name="baz"\r\n\r\nqux'),
+      "the FormData body of the intercepted fetch should be visible in the SW"
+    );
+    finish();
+  });
+
+expectAsyncResult();
+fetch(
+  new Request("body-blob", {
+    method: "POST",
+    body: new Blob(new String("my body")),
+  })
+)
+  .then(function (res) {
+    return res.text();
+  })
+  .then(function (body) {
+    my_ok(
+      body == "my bodymy body",
+      "the Blob body of the intercepted fetch should be visible in the SW"
+    );
+    finish();
+  });
+
+expectAsyncResult();
+fetch("interrupt.sjs").then(
+  function (res) {
+    my_ok(true, "interrupted fetch succeeded");
+    res.text().then(
+      function (body) {
+        my_ok(false, "interrupted fetch shouldn't have complete body");
+        finish();
+      },
+      function () {
+        my_ok(true, "interrupted fetch shouldn't have complete body");
+        finish();
+      }
+    );
+  },
+  function (e) {
+    my_ok(false, "interrupted fetch failed");
+    finish();
+  }
+);
+
+["DELETE", "GET", "HEAD", "OPTIONS", "POST", "PUT"].forEach(function (method) {
+  fetchXHRWithMethod("xhr-method-test.txt", method, function (xhr) {
+    my_ok(xhr.status == 200, method + " load should be successful");
+    if (method === "HEAD") {
+      my_ok(
+        xhr.responseText == "",
+        method + "load should not have synthesized response"
+      );
+    } else {
+      my_ok(
+        xhr.responseText == "intercepted " + method,
+        method + " load should have synthesized response"
+      );
+    }
+    finish();
+  });
+});
+
+expectAsyncResult();
+fetch(new Request("empty-header", { headers: { emptyheader: "" } }))
+  .then(function (res) {
+    return res.text();
+  })
+  .then(
+    function (body) {
+      my_ok(
+        body == "emptyheader",
+        "The empty header was observed in the fetch event"
+      );
+      finish();
+    },
+    function (err) {
+      my_ok(false, "A promise was rejected with " + err);
+      finish();
+    }
+  );
+
+expectAsyncResult();
+fetch("fetchevent-extendable")
+  .then(function (res) {
+    return res.text();
+  })
+  .then(
+    function (body) {
+      my_ok(body == "extendable", "FetchEvent inherits from ExtendableEvent");
+      finish();
+    },
+    function (err) {
+      my_ok(false, "A promise was rejected with " + err);
+      finish();
+    }
+  );
+
+expectAsyncResult();
+fetch("fetchevent-request")
+  .then(function (res) {
+    return res.text();
+  })
+  .then(
+    function (body) {
+      my_ok(body == "non-nullable", "FetchEvent.request must be non-nullable");
+      finish();
+    },
+    function (err) {
+      my_ok(false, "A promise was rejected with " + err);
+      finish();
+    }
+  );
diff --git a/dom/serviceworkers/test/fetch/fetch_worker_script.js b/dom/serviceworkers/test/fetch/fetch_worker_script.js
new file mode 100644
index 0000000000..6eb0b18a77
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/fetch_worker_script.js
@@ -0,0 +1,28 @@
+function my_ok(v, msg) {
+  postMessage({ type: "ok", value: v, msg });
+}
+
+function finish() {
+  postMessage("finish");
+}
+
+function expectAsyncResult() {
+  postMessage("expect");
+}
+
+expectAsyncResult();
+try {
+  var success = false;
+  importScripts("nonexistent_imported_script.js");
+} catch (x) {}
+
+my_ok(success, "worker imported script should be intercepted");
+finish();
+
+function check_intercepted_script() {
+  success = true;
+}
+
+importScripts("fetch_tests.js");
+
+finish(); //corresponds to the gExpected increment before creating this worker
diff --git a/dom/serviceworkers/test/fetch/hsts/embedder.html b/dom/serviceworkers/test/fetch/hsts/embedder.html
new file mode 100644
index 0000000000..ad44809042
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/hsts/embedder.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<script>
+  window.onmessage = function(e) {
+    window.parent.postMessage(e.data, "*");
+  };
+</script>
+<iframe src="http://example.com/tests/dom/serviceworkers/test/fetch/hsts/index.html"></iframe>
diff --git a/dom/serviceworkers/test/fetch/hsts/hsts_test.js b/dom/serviceworkers/test/fetch/hsts/hsts_test.js
new file mode 100644
index 0000000000..74b9ed23ba
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/hsts/hsts_test.js
@@ -0,0 +1,11 @@
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("index.html")) {
+    event.respondWith(fetch("realindex.html"));
+  } else if (event.request.url.includes("image-20px.png")) {
+    if (event.request.url.indexOf("https://") == 0) {
+      event.respondWith(fetch("image-40px.png"));
+    } else {
+      event.respondWith(Response.error());
+    }
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/hsts/image-20px.png b/dom/serviceworkers/test/fetch/hsts/image-20px.png
new file mode 100644
index 0000000000..ae6a8a6b88
Binary files /dev/null and b/dom/serviceworkers/test/fetch/hsts/image-20px.png differ
diff --git a/dom/serviceworkers/test/fetch/hsts/image-40px.png b/dom/serviceworkers/test/fetch/hsts/image-40px.png
new file mode 100644
index 0000000000..fe391dc8a2
Binary files /dev/null and b/dom/serviceworkers/test/fetch/hsts/image-40px.png differ
diff --git a/dom/serviceworkers/test/fetch/hsts/image.html b/dom/serviceworkers/test/fetch/hsts/image.html
new file mode 100644
index 0000000000..7036ea954e
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/hsts/image.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<script>
+onload=function(){
+  var img = new Image();
+  img.src = "http://example.com/tests/dom/serviceworkers/test/fetch/hsts/image-20px.png";
+  img.onload = function() {
+    window.parent.postMessage({status: "image", data: img.width}, "*");
+  };
+  img.onerror = function() {
+    window.parent.postMessage({status: "image", data: "error"}, "*");
+  };
+};
+</script>
diff --git a/dom/serviceworkers/test/fetch/hsts/realindex.html b/dom/serviceworkers/test/fetch/hsts/realindex.html
new file mode 100644
index 0000000000..e7d282fe83
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/hsts/realindex.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<script>
+  var securityInfoPresent = !!SpecialPowers.wrap(window).docShell.currentDocumentChannel.securityInfo;
+  window.parent.postMessage({status: "protocol",
+                             data: location.protocol,
+                             securityInfoPresent},
+                            "*");
+</script>
diff --git a/dom/serviceworkers/test/fetch/hsts/register.html b/dom/serviceworkers/test/fetch/hsts/register.html
new file mode 100644
index 0000000000..bcdc146aec
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/hsts/register.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("hsts_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/hsts/register.html^headers^ b/dom/serviceworkers/test/fetch/hsts/register.html^headers^
new file mode 100644
index 0000000000..a46bf65bd9
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/hsts/register.html^headers^
@@ -0,0 +1,2 @@
+Cache-Control: no-cache
+Strict-Transport-Security: max-age=60
diff --git a/dom/serviceworkers/test/fetch/hsts/unregister.html b/dom/serviceworkers/test/fetch/hsts/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/hsts/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/https/clonedresponse/https_test.js b/dom/serviceworkers/test/fetch/https/clonedresponse/https_test.js
new file mode 100644
index 0000000000..8ab34123af
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/https/clonedresponse/https_test.js
@@ -0,0 +1,19 @@
+self.addEventListener("install", function (event) {
+  event.waitUntil(
+    caches.open("cache").then(function (cache) {
+      return cache.add("index.html");
+    })
+  );
+});
+
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("index.html")) {
+    event.respondWith(
+      new Promise(function (resolve, reject) {
+        caches.match(event.request).then(function (response) {
+          resolve(response.clone());
+        });
+      })
+    );
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/https/clonedresponse/index.html b/dom/serviceworkers/test/fetch/https/clonedresponse/index.html
new file mode 100644
index 0000000000..a435548443
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/https/clonedresponse/index.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<script>
+  window.parent.postMessage({status: "done"}, "*");
+</script>
diff --git a/dom/serviceworkers/test/fetch/https/clonedresponse/register.html b/dom/serviceworkers/test/fetch/https/clonedresponse/register.html
new file mode 100644
index 0000000000..41774f70d1
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/https/clonedresponse/register.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("https_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/https/clonedresponse/unregister.html b/dom/serviceworkers/test/fetch/https/clonedresponse/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/https/clonedresponse/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/https/https_test.js b/dom/serviceworkers/test/fetch/https/https_test.js
new file mode 100644
index 0000000000..5f20690bb5
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/https/https_test.js
@@ -0,0 +1,31 @@
+self.addEventListener("install", function (event) {
+  event.waitUntil(
+    caches.open("cache").then(function (cache) {
+      var synth = new Response(
+        '<!DOCTYPE html><script>window.parent.postMessage({status: "done-synth-sw"}, "*");</script>',
+        { headers: { "Content-Type": "text/html" } }
+      );
+      return Promise.all([
+        cache.add("index.html"),
+        cache.put("synth-sw.html", synth),
+      ]);
+    })
+  );
+});
+
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("index.html")) {
+    event.respondWith(caches.match(event.request));
+  } else if (event.request.url.includes("synth-sw.html")) {
+    event.respondWith(caches.match(event.request));
+  } else if (event.request.url.includes("synth-window.html")) {
+    event.respondWith(caches.match(event.request));
+  } else if (event.request.url.includes("synth.html")) {
+    event.respondWith(
+      new Response(
+        '<!DOCTYPE html><script>window.parent.postMessage({status: "done-synth"}, "*");</script>',
+        { headers: { "Content-Type": "text/html" } }
+      )
+    );
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/https/index.html b/dom/serviceworkers/test/fetch/https/index.html
new file mode 100644
index 0000000000..a435548443
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/https/index.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<script>
+  window.parent.postMessage({status: "done"}, "*");
+</script>
diff --git a/dom/serviceworkers/test/fetch/https/register.html b/dom/serviceworkers/test/fetch/https/register.html
new file mode 100644
index 0000000000..fa666fe957
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/https/register.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(reg => {
+    return window.caches.open("cache").then(function(cache) {
+      var synth = new Response('<!DOCTYPE html><script>window.parent.postMessage({status: "done-synth-window"}, "*");</scri' + 'pt>',
+                               {headers:{"Content-Type": "text/html"}});
+      return cache.put('synth-window.html', synth).then(_ => done(reg));
+    });
+  });
+  navigator.serviceWorker.register("https_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/https/unregister.html b/dom/serviceworkers/test/fetch/https/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/https/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/imagecache-maxage/image-20px.png b/dom/serviceworkers/test/fetch/imagecache-maxage/image-20px.png
new file mode 100644
index 0000000000..ae6a8a6b88
Binary files /dev/null and b/dom/serviceworkers/test/fetch/imagecache-maxage/image-20px.png differ
diff --git a/dom/serviceworkers/test/fetch/imagecache-maxage/image-40px.png b/dom/serviceworkers/test/fetch/imagecache-maxage/image-40px.png
new file mode 100644
index 0000000000..fe391dc8a2
Binary files /dev/null and b/dom/serviceworkers/test/fetch/imagecache-maxage/image-40px.png differ
diff --git a/dom/serviceworkers/test/fetch/imagecache-maxage/index.html b/dom/serviceworkers/test/fetch/imagecache-maxage/index.html
new file mode 100644
index 0000000000..0d4c52eedd
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/imagecache-maxage/index.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<script>
+var width, url, width2, url2;
+function maybeReport() {
+  if (width !== undefined && url !== undefined &&
+      width2 !== undefined && url2 !== undefined) {
+    window.parent.postMessage({status: "result",
+                               width,
+                               width2,
+                               url,
+                               url2}, "*");
+  }
+}
+onload = function() {
+  width = document.querySelector("img").width;
+  width2 = document.querySelector("img").width;
+  maybeReport();
+};
+navigator.serviceWorker.onmessage = function(event) {
+  if (event.data.suffix == "2") {
+    url2 = event.data.url;
+  } else {
+    url = event.data.url;
+  }
+  maybeReport();
+};
+</script>
+<img src="image.png">
+<img src="image2.png">
diff --git a/dom/serviceworkers/test/fetch/imagecache-maxage/maxage_test.js b/dom/serviceworkers/test/fetch/imagecache-maxage/maxage_test.js
new file mode 100644
index 0000000000..c664e07c28
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/imagecache-maxage/maxage_test.js
@@ -0,0 +1,45 @@
+function synthesizeImage(suffix) {
+  // Serve image-20px for the first page, and image-40px for the second page.
+  return clients
+    .matchAll()
+    .then(clients => {
+      var url = "image-20px.png";
+      clients.forEach(client => {
+        if (client.url.indexOf("?new") > 0) {
+          url = "image-40px.png";
+        }
+        client.postMessage({ suffix, url });
+      });
+      return fetch(url);
+    })
+    .then(response => {
+      return response.arrayBuffer();
+    })
+    .then(ab => {
+      var headers;
+      if (suffix == "") {
+        headers = {
+          "Content-Type": "image/png",
+          Date: "Tue, 1 Jan 1990 01:02:03 GMT",
+          "Cache-Control": "max-age=1",
+        };
+      } else {
+        headers = {
+          "Content-Type": "image/png",
+          "Cache-Control": "no-cache",
+        };
+      }
+      return new Response(ab, {
+        status: 200,
+        headers,
+      });
+    });
+}
+
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("image.png")) {
+    event.respondWith(synthesizeImage(""));
+  } else if (event.request.url.includes("image2.png")) {
+    event.respondWith(synthesizeImage("2"));
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/imagecache-maxage/register.html b/dom/serviceworkers/test/fetch/imagecache-maxage/register.html
new file mode 100644
index 0000000000..af4dde2e29
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/imagecache-maxage/register.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("maxage_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/imagecache-maxage/unregister.html b/dom/serviceworkers/test/fetch/imagecache-maxage/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/imagecache-maxage/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/imagecache/image-20px.png b/dom/serviceworkers/test/fetch/imagecache/image-20px.png
new file mode 100644
index 0000000000..ae6a8a6b88
Binary files /dev/null and b/dom/serviceworkers/test/fetch/imagecache/image-20px.png differ
diff --git a/dom/serviceworkers/test/fetch/imagecache/image-40px.png b/dom/serviceworkers/test/fetch/imagecache/image-40px.png
new file mode 100644
index 0000000000..fe391dc8a2
Binary files /dev/null and b/dom/serviceworkers/test/fetch/imagecache/image-40px.png differ
diff --git a/dom/serviceworkers/test/fetch/imagecache/imagecache_test.js b/dom/serviceworkers/test/fetch/imagecache/imagecache_test.js
new file mode 100644
index 0000000000..cd8f522728
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/imagecache/imagecache_test.js
@@ -0,0 +1,15 @@
+function synthesizeImage() {
+  return clients.matchAll().then(clients => {
+    var url = "image-40px.png";
+    clients.forEach(client => {
+      client.postMessage(url);
+    });
+    return fetch(url);
+  });
+}
+
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("image-20px.png")) {
+    event.respondWith(synthesizeImage());
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/imagecache/index.html b/dom/serviceworkers/test/fetch/imagecache/index.html
new file mode 100644
index 0000000000..f634f68bb7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/imagecache/index.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<script>
+var width, url;
+function maybeReport() {
+  if (width !== undefined && url !== undefined) {
+    window.parent.postMessage({status: "result",
+                               width,
+                               url}, "*");
+  }
+}
+onload = function() {
+  width = document.querySelector("img").width;
+  maybeReport();
+};
+navigator.serviceWorker.onmessage = function(event) {
+  url = event.data;
+  maybeReport();
+};
+</script>
+<img src="image-20px.png">
diff --git a/dom/serviceworkers/test/fetch/imagecache/postmortem.html b/dom/serviceworkers/test/fetch/imagecache/postmortem.html
new file mode 100644
index 0000000000..53356cd02c
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/imagecache/postmortem.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<script>
+onload = function() {
+  var width = document.querySelector("img").width;
+  window.parent.postMessage({status: "postmortem",
+                             width}, "*");
+};
+</script>
+<img src="image-20px.png">
diff --git a/dom/serviceworkers/test/fetch/imagecache/register.html b/dom/serviceworkers/test/fetch/imagecache/register.html
new file mode 100644
index 0000000000..f6d1eb382f
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/imagecache/register.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<!-- Load the image here to put it in the image cache -->
+<img src="image-20px.png">
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("imagecache_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/imagecache/unregister.html b/dom/serviceworkers/test/fetch/imagecache/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/imagecache/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/importscript-mixedcontent/https_test.js b/dom/serviceworkers/test/fetch/importscript-mixedcontent/https_test.js
new file mode 100644
index 0000000000..138ca768aa
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/importscript-mixedcontent/https_test.js
@@ -0,0 +1,31 @@
+function sendResponseToParent(response) {
+  return `
+    <!DOCTYPE html>
+    <script>
+      window.parent.postMessage({status: "done", data: "${response}"}, "*");
+    </script>
+  `;
+}
+
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("index.html")) {
+    var response = "good";
+    try {
+      importScripts("http://example.org/tests/dom/workers/test/foreign.js");
+    } catch (e) {
+      dump("Got error " + e + " when importing the script\n");
+    }
+    if (response === "good") {
+      try {
+        importScripts("/tests/dom/workers/test/redirect_to_foreign.sjs");
+      } catch (e) {
+        dump("Got error " + e + " when importing the script\n");
+      }
+    }
+    event.respondWith(
+      new Response(sendResponseToParent(response), {
+        headers: { "Content-Type": "text/html" },
+      })
+    );
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/importscript-mixedcontent/register.html b/dom/serviceworkers/test/fetch/importscript-mixedcontent/register.html
new file mode 100644
index 0000000000..41774f70d1
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/importscript-mixedcontent/register.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("https_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/importscript-mixedcontent/unregister.html b/dom/serviceworkers/test/fetch/importscript-mixedcontent/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/importscript-mixedcontent/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/index.html b/dom/serviceworkers/test/fetch/index.html
new file mode 100644
index 0000000000..693810c6fc
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/index.html
@@ -0,0 +1,191 @@
+<!--
+  Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Bug 94048 - test install event.</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<p id="display"></p>
+<div id="content" style="display: none"></div>
+<div id="style-test" style="background-color: white"></div>
+<pre id="test"></pre>
+<script class="testbody" type="text/javascript">
+  function my_ok(result, msg) {
+    window.opener.postMessage({status: "ok", result, message: msg}, "*");
+  }
+
+  function check_intercepted_script() {
+    document.getElementById('intercepted-script').test_result =
+      document.currentScript == document.getElementById('intercepted-script');
+  }
+
+  function fetchXHR(name, onload, onerror, headers) {
+    gExpected++;
+
+    onload = onload || function() {
+      my_ok(false, "load should not complete successfully");
+      finish();
+    };
+    onerror = onerror || function() {
+      my_ok(false, "load should be intercepted successfully");
+      finish();
+    };
+
+    var x = new XMLHttpRequest();
+    x.open('GET', name, true);
+    x.onload = function() { onload(x) };
+    x.onerror = function() { onerror(x) };
+    headers = headers || [];
+    headers.forEach(function(header) {
+      x.setRequestHeader(header[0], header[1]);
+    });
+    x.send();
+  }
+
+  var gExpected = 0;
+  var gEncountered = 0;
+  function finish() {
+    gEncountered++;
+    if (gEncountered == gExpected) {
+      window.opener.postMessage({status: "done"}, "*");
+    }
+  }
+
+  function test_onload(creator, complete) {
+    gExpected++;
+    var elem = creator();
+    elem.onload = function() {
+      complete.call(elem);
+      finish();
+    };
+    elem.onerror = function() {
+      my_ok(false, elem.tagName + " load should complete successfully");
+      finish();
+    };
+    document.body.appendChild(elem);
+  }
+
+  function expectAsyncResult() {
+    gExpected++;
+  }
+
+  my_ok(navigator.serviceWorker.controller != null, "should be controlled");
+</script>
+<script src="fetch_tests.js"></script>
+<script>
+  test_onload(function() {
+    var elem = document.createElement('img');
+    elem.src = "nonexistent_image.gifs";
+    elem.id = 'intercepted-img';
+    return elem;
+  }, function() {
+    my_ok(this.complete, "image should be complete");
+    my_ok(this.naturalWidth == 1 && this.naturalHeight == 1, "image should be 1x1 gif");
+  });
+
+  test_onload(function() {
+    var elem = document.createElement('script');
+    elem.id = 'intercepted-script';
+    elem.src = "nonexistent_script.js";
+    return elem;
+  }, function() {
+    my_ok(this.test_result, "script load should be intercepted");
+  });
+
+  test_onload(function() {
+    var elem = document.createElement('link');
+    elem.href = "nonexistent_stylesheet.css";
+    elem.rel = "stylesheet";
+    return elem;
+  }, function() {
+    var styled = document.getElementById('style-test');
+    my_ok(window.getComputedStyle(styled).backgroundColor == 'rgb(0, 0, 0)',
+          "stylesheet load should be intercepted");
+  });
+
+  test_onload(function() {
+    var elem = document.createElement('iframe');
+    elem.id = 'intercepted-iframe';
+    elem.src = "nonexistent_page.html";
+    return elem;
+  }, function() {
+    my_ok(this.test_result, "iframe load should be intercepted");
+  });
+
+  test_onload(function() {
+    var elem = document.createElement('iframe');
+    elem.id = 'intercepted-iframe-2';
+    elem.src = "navigate.html";
+    return elem;
+  }, function() {
+    my_ok(this.test_result, "iframe should successfully load");
+  });
+
+  gExpected++;
+  var xhr = new XMLHttpRequest();
+  xhr.addEventListener("load", function(evt) {
+    my_ok(evt.target.responseXML === null, "Load synthetic cross origin XML Document should be allowed");
+    finish();
+  });
+  xhr.responseType = "document";
+  xhr.open("GET", "load_cross_origin_xml_document_synthetic.xml");
+  xhr.send();
+
+  gExpected++;
+  fetch(
+    "load_cross_origin_xml_document_cors.xml",
+    {mode: "same-origin"}
+  ).then(function(response) {
+    // issue: https://github.com/whatwg/fetch/issues/629
+    my_ok(false, "Load CORS cross origin XML Document should not be allowed");
+    finish();
+  }, function(error) {
+    my_ok(true, "Load CORS cross origin XML Document should not be allowed");
+    finish();
+  });
+
+  gExpected++;
+  fetch(
+    "load_cross_origin_xml_document_opaque.xml",
+    {mode: "same-origin"}
+  ).then(function(response) {
+    my_ok(false, "Load opaque cross origin XML Document should not be allowed");
+    finish();
+  }, function(error) {
+    my_ok(true, "Load opaque cross origin XML Document should not be allowed");
+    finish();
+  });
+
+  gExpected++;
+  var worker = new Worker('nonexistent_worker_script.js');
+  worker.onmessage = function(e) {
+    my_ok(e.data == "worker-intercept-success", "worker load intercepted");
+    finish();
+  };
+  worker.onerror = function() {
+    my_ok(false, "worker load should be intercepted");
+  };
+
+  gExpected++;
+  var worker = new Worker('fetch_worker_script.js');
+  worker.onmessage = function(e) {
+    if (e.data == "finish") {
+      finish();
+    } else if (e.data == "expect") {
+      gExpected++;
+    } else if (e.data.type == "ok") {
+      my_ok(e.data.value, "Fetch test on worker: " + e.data.msg);
+    }
+  };
+  worker.onerror = function() {
+    my_ok(false, "worker should not cause any errors");
+  };
+</script>
+</pre>
+</body>
+</html>
diff --git a/dom/serviceworkers/test/fetch/interrupt.sjs b/dom/serviceworkers/test/fetch/interrupt.sjs
new file mode 100644
index 0000000000..6e5deeb832
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/interrupt.sjs
@@ -0,0 +1,20 @@
+function handleRequest(request, response) {
+  var body = "a";
+  for (var i = 0; i < 20; i++) {
+    body += body;
+  }
+
+  response.seizePower();
+  response.write("HTTP/1.1 200 OK\r\n");
+  var count = 10;
+  response.write("Content-Length: " + body.length * count + "\r\n");
+  response.write("Content-Type: text/plain; charset=utf-8\r\n");
+  response.write("Cache-Control: no-cache, must-revalidate\r\n");
+  response.write("\r\n");
+
+  for (var i = 0; i < count; i++) {
+    response.write(body);
+  }
+
+  throw Components.Exception("", Components.results.NS_BINDING_ABORTED);
+}
diff --git a/dom/serviceworkers/test/fetch/origin/https/index-https.sjs b/dom/serviceworkers/test/fetch/origin/https/index-https.sjs
new file mode 100644
index 0000000000..5250467ec7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/https/index-https.sjs
@@ -0,0 +1,8 @@
+function handleRequest(request, response) {
+  response.setStatusLine(null, 308, "Permanent Redirect");
+  response.setHeader(
+    "Location",
+    "https://example.org/tests/dom/serviceworkers/test/fetch/origin/https/realindex.html",
+    false
+  );
+}
diff --git a/dom/serviceworkers/test/fetch/origin/https/origin_test.js b/dom/serviceworkers/test/fetch/origin/https/origin_test.js
new file mode 100644
index 0000000000..d148de2d83
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/https/origin_test.js
@@ -0,0 +1,29 @@
+var prefix = "/tests/dom/serviceworkers/test/fetch/origin/https/";
+
+function addOpaqueRedirect(cache, file) {
+  return fetch(new Request(prefix + file, { redirect: "manual" })).then(
+    function (response) {
+      return cache.put(prefix + file, response);
+    }
+  );
+}
+
+self.addEventListener("install", function (event) {
+  event.waitUntil(
+    self.caches.open("origin-cache").then(c => {
+      return addOpaqueRedirect(c, "index-https.sjs");
+    })
+  );
+});
+
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("index-cached-https.sjs")) {
+    event.respondWith(
+      self.caches.open("origin-cache").then(c => {
+        return c.match(prefix + "index-https.sjs");
+      })
+    );
+  } else {
+    event.respondWith(fetch(event.request));
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/origin/https/realindex.html b/dom/serviceworkers/test/fetch/origin/https/realindex.html
new file mode 100644
index 0000000000..87f3489455
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/https/realindex.html
@@ -0,0 +1,6 @@
+<!DOCTYPE html>
+<script>
+  window.opener.postMessage({status: "domain", data: document.domain}, "*");
+  window.opener.postMessage({status: "origin", data: location.origin}, "*");
+  window.opener.postMessage({status: "done"}, "*");
+</script>
diff --git a/dom/serviceworkers/test/fetch/origin/https/realindex.html^headers^ b/dom/serviceworkers/test/fetch/origin/https/realindex.html^headers^
new file mode 100644
index 0000000000..5ed82fd065
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/https/realindex.html^headers^
@@ -0,0 +1 @@
+Access-Control-Allow-Origin: https://example.com
diff --git a/dom/serviceworkers/test/fetch/origin/https/register.html b/dom/serviceworkers/test/fetch/origin/https/register.html
new file mode 100644
index 0000000000..2e99adba53
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/https/register.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("origin_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/origin/https/unregister.html b/dom/serviceworkers/test/fetch/origin/https/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/https/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/origin/index-to-https.sjs b/dom/serviceworkers/test/fetch/origin/index-to-https.sjs
new file mode 100644
index 0000000000..2505c03686
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/index-to-https.sjs
@@ -0,0 +1,8 @@
+function handleRequest(request, response) {
+  response.setStatusLine(null, 308, "Permanent Redirect");
+  response.setHeader(
+    "Location",
+    "https://example.org/tests/dom/serviceworkers/test/fetch/origin/realindex.html",
+    false
+  );
+}
diff --git a/dom/serviceworkers/test/fetch/origin/index.sjs b/dom/serviceworkers/test/fetch/origin/index.sjs
new file mode 100644
index 0000000000..ca11827792
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/index.sjs
@@ -0,0 +1,8 @@
+function handleRequest(request, response) {
+  response.setStatusLine(null, 308, "Permanent Redirect");
+  response.setHeader(
+    "Location",
+    "http://example.org/tests/dom/serviceworkers/test/fetch/origin/realindex.html",
+    false
+  );
+}
diff --git a/dom/serviceworkers/test/fetch/origin/origin_test.js b/dom/serviceworkers/test/fetch/origin/origin_test.js
new file mode 100644
index 0000000000..d57f10cc2a
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/origin_test.js
@@ -0,0 +1,38 @@
+var prefix = "/tests/dom/serviceworkers/test/fetch/origin/";
+
+function addOpaqueRedirect(cache, file) {
+  return fetch(new Request(prefix + file, { redirect: "manual" })).then(
+    function (response) {
+      return cache.put(prefix + file, response);
+    }
+  );
+}
+
+self.addEventListener("install", function (event) {
+  event.waitUntil(
+    self.caches.open("origin-cache").then(c => {
+      return Promise.all([
+        addOpaqueRedirect(c, "index.sjs"),
+        addOpaqueRedirect(c, "index-to-https.sjs"),
+      ]);
+    })
+  );
+});
+
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("index-cached.sjs")) {
+    event.respondWith(
+      self.caches.open("origin-cache").then(c => {
+        return c.match(prefix + "index.sjs");
+      })
+    );
+  } else if (event.request.url.includes("index-to-https-cached.sjs")) {
+    event.respondWith(
+      self.caches.open("origin-cache").then(c => {
+        return c.match(prefix + "index-to-https.sjs");
+      })
+    );
+  } else {
+    event.respondWith(fetch(event.request));
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/origin/realindex.html b/dom/serviceworkers/test/fetch/origin/realindex.html
new file mode 100644
index 0000000000..87f3489455
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/realindex.html
@@ -0,0 +1,6 @@
+<!DOCTYPE html>
+<script>
+  window.opener.postMessage({status: "domain", data: document.domain}, "*");
+  window.opener.postMessage({status: "origin", data: location.origin}, "*");
+  window.opener.postMessage({status: "done"}, "*");
+</script>
diff --git a/dom/serviceworkers/test/fetch/origin/realindex.html^headers^ b/dom/serviceworkers/test/fetch/origin/realindex.html^headers^
new file mode 100644
index 0000000000..3a6a85d894
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/realindex.html^headers^
@@ -0,0 +1 @@
+Access-Control-Allow-Origin: http://mochi.test:8888
diff --git a/dom/serviceworkers/test/fetch/origin/register.html b/dom/serviceworkers/test/fetch/origin/register.html
new file mode 100644
index 0000000000..2e99adba53
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/register.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("origin_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/origin/unregister.html b/dom/serviceworkers/test/fetch/origin/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/origin/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/plugin/plugins.html b/dom/serviceworkers/test/fetch/plugin/plugins.html
new file mode 100644
index 0000000000..b268f6d99e
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/plugin/plugins.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<script>
+  var obj, embed;
+
+  function ok(v, msg) {
+    window.opener.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function finish() {
+    document.documentElement.removeChild(obj);
+    document.documentElement.removeChild(embed);
+    window.opener.postMessage({status: "done"}, "*");
+  }
+
+  function test_object() {
+    obj = document.createElement("object");
+    obj.setAttribute('data', "object");
+    document.documentElement.appendChild(obj);
+  }
+
+  function test_embed() {
+    embed = document.createElement("embed");
+    embed.setAttribute('src', "embed");
+    document.documentElement.appendChild(embed);
+  }
+
+  navigator.serviceWorker.addEventListener("message", function onMessage(e) {
+    if (e.data.destination === "object") {
+      ok(false, "<object> should not be intercepted");
+    } else if (e.data.destination === "embed") {
+      ok(false, "<embed> should not be intercepted");
+    } else if (e.data.destination === "" && e.data.resource === "foo.txt") {
+      navigator.serviceWorker.removeEventListener("message", onMessage);
+      finish();
+    }
+  });
+
+  test_object();
+  test_embed();
+  // SW will definitely intercept fetch API, use this to see if plugins are
+  // intercepted before fetch().
+  fetch("foo.txt");
+</script>
diff --git a/dom/serviceworkers/test/fetch/plugin/worker.js b/dom/serviceworkers/test/fetch/plugin/worker.js
new file mode 100644
index 0000000000..9849c9e0d5
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/plugin/worker.js
@@ -0,0 +1,15 @@
+self.addEventListener("fetch", function (event) {
+  var resource = event.request.url.split("/").pop();
+  event.waitUntil(
+    clients.matchAll().then(clients => {
+      clients.forEach(client => {
+        if (client.url.includes("plugins.html")) {
+          client.postMessage({
+            destination: event.request.destination,
+            resource,
+          });
+        }
+      });
+    })
+  );
+});
diff --git a/dom/serviceworkers/test/fetch/real-file.txt b/dom/serviceworkers/test/fetch/real-file.txt
new file mode 100644
index 0000000000..3ca2088ec0
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/real-file.txt
@@ -0,0 +1 @@
+This is a real file.
diff --git a/dom/serviceworkers/test/fetch/redirect.sjs b/dom/serviceworkers/test/fetch/redirect.sjs
new file mode 100644
index 0000000000..dab558f4a8
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/redirect.sjs
@@ -0,0 +1,4 @@
+function handleRequest(request, response) {
+  response.setStatusLine(request.httpVersion, 301, "Moved Permanently");
+  response.setHeader("Location", "synthesized-redirect-twice-real-file.txt");
+}
diff --git a/dom/serviceworkers/test/fetch/requesturl/index.html b/dom/serviceworkers/test/fetch/requesturl/index.html
new file mode 100644
index 0000000000..bc3e400a94
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/requesturl/index.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.onmessage = window.onmessage = e => {
+    window.parent.postMessage(e.data, "*");
+  };
+</script>
+<iframe src="redirector.html"></iframe>
diff --git a/dom/serviceworkers/test/fetch/requesturl/redirect.sjs b/dom/serviceworkers/test/fetch/requesturl/redirect.sjs
new file mode 100644
index 0000000000..ae50a78aef
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/requesturl/redirect.sjs
@@ -0,0 +1,8 @@
+function handleRequest(request, response) {
+  response.setStatusLine(null, 308, "Permanent Redirect");
+  response.setHeader(
+    "Location",
+    "http://example.org/tests/dom/serviceworkers/test/fetch/requesturl/secret.html",
+    false
+  );
+}
diff --git a/dom/serviceworkers/test/fetch/requesturl/redirector.html b/dom/serviceworkers/test/fetch/requesturl/redirector.html
new file mode 100644
index 0000000000..0a3afab9ee
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/requesturl/redirector.html
@@ -0,0 +1,2 @@
+<!DOCTYPE html>
+<meta http-equiv="refresh" content="3;URL=/tests/dom/serviceworkers/test/fetch/requesturl/redirect.sjs">
diff --git a/dom/serviceworkers/test/fetch/requesturl/register.html b/dom/serviceworkers/test/fetch/requesturl/register.html
new file mode 100644
index 0000000000..19a2e022c2
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/requesturl/register.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("requesturl_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/requesturl/requesturl_test.js b/dom/serviceworkers/test/fetch/requesturl/requesturl_test.js
new file mode 100644
index 0000000000..4d2680538f
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/requesturl/requesturl_test.js
@@ -0,0 +1,21 @@
+addEventListener("fetch", event => {
+  var url = event.request.url;
+  var badURL = url.indexOf("secret.html") > -1;
+  event.respondWith(
+    new Promise(resolve => {
+      clients.matchAll().then(clients => {
+        for (var client of clients) {
+          if (client.url.indexOf("index.html") > -1) {
+            client.postMessage({
+              status: "ok",
+              result: !badURL,
+              message: "Should not find a bad URL (" + url + ")",
+            });
+            break;
+          }
+        }
+        resolve(fetch(event.request));
+      });
+    })
+  );
+});
diff --git a/dom/serviceworkers/test/fetch/requesturl/secret.html b/dom/serviceworkers/test/fetch/requesturl/secret.html
new file mode 100644
index 0000000000..694c336355
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/requesturl/secret.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+secret stuff
+<script>
+  window.parent.postMessage({status: "done"}, "*");
+</script>
diff --git a/dom/serviceworkers/test/fetch/requesturl/unregister.html b/dom/serviceworkers/test/fetch/requesturl/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/requesturl/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/sandbox/index.html b/dom/serviceworkers/test/fetch/sandbox/index.html
new file mode 100644
index 0000000000..1094a3995d
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/sandbox/index.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<script>
+  window.parent.postMessage({status: "ok", result: true, message: "The iframe is not being intercepted"}, "*");
+  window.parent.postMessage({status: "done"}, "*");
+</script>
diff --git a/dom/serviceworkers/test/fetch/sandbox/intercepted_index.html b/dom/serviceworkers/test/fetch/sandbox/intercepted_index.html
new file mode 100644
index 0000000000..87261a495f
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/sandbox/intercepted_index.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<script>
+  window.parent.postMessage({status: "ok", result: false, message: "The iframe is being intercepted"}, "*");
+  window.parent.postMessage({status: "done"}, "*");
+</script>
diff --git a/dom/serviceworkers/test/fetch/sandbox/register.html b/dom/serviceworkers/test/fetch/sandbox/register.html
new file mode 100644
index 0000000000..427b1a8da9
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/sandbox/register.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("sandbox_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/sandbox/sandbox_test.js b/dom/serviceworkers/test/fetch/sandbox/sandbox_test.js
new file mode 100644
index 0000000000..310cea0d16
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/sandbox/sandbox_test.js
@@ -0,0 +1,5 @@
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("index.html")) {
+    event.respondWith(fetch("intercepted_index.html"));
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/sandbox/unregister.html b/dom/serviceworkers/test/fetch/sandbox/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/sandbox/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/upgrade-insecure/embedder.html b/dom/serviceworkers/test/fetch/upgrade-insecure/embedder.html
new file mode 100644
index 0000000000..e99209aa4d
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/upgrade-insecure/embedder.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<script>
+  window.onmessage = function(e) {
+    window.parent.postMessage(e.data, "*");
+    if (e.data.status == "protocol") {
+      document.querySelector("iframe").src = "image.html";
+    }
+  };
+</script>
+<iframe src="http://example.com/tests/dom/serviceworkers/test/fetch/upgrade-insecure/index.html"></iframe>
diff --git a/dom/serviceworkers/test/fetch/upgrade-insecure/embedder.html^headers^ b/dom/serviceworkers/test/fetch/upgrade-insecure/embedder.html^headers^
new file mode 100644
index 0000000000..602d9dc38d
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/upgrade-insecure/embedder.html^headers^
@@ -0,0 +1 @@
+Content-Security-Policy: upgrade-insecure-requests
diff --git a/dom/serviceworkers/test/fetch/upgrade-insecure/image-20px.png b/dom/serviceworkers/test/fetch/upgrade-insecure/image-20px.png
new file mode 100644
index 0000000000..ae6a8a6b88
Binary files /dev/null and b/dom/serviceworkers/test/fetch/upgrade-insecure/image-20px.png differ
diff --git a/dom/serviceworkers/test/fetch/upgrade-insecure/image-40px.png b/dom/serviceworkers/test/fetch/upgrade-insecure/image-40px.png
new file mode 100644
index 0000000000..fe391dc8a2
Binary files /dev/null and b/dom/serviceworkers/test/fetch/upgrade-insecure/image-40px.png differ
diff --git a/dom/serviceworkers/test/fetch/upgrade-insecure/image.html b/dom/serviceworkers/test/fetch/upgrade-insecure/image.html
new file mode 100644
index 0000000000..dfcfd80014
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/upgrade-insecure/image.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<script>
+onload=function(){
+  var img = new Image();
+  img.src = "http://example.com/tests/dom/serviceworkers/test/fetch/upgrade-insecure/image-20px.png";
+  img.onload = function() {
+    window.parent.postMessage({status: "image", data: img.width}, "*");
+  };
+  img.onerror = function() {
+    window.parent.postMessage({status: "image", data: "error"}, "*");
+  };
+};
+</script>
diff --git a/dom/serviceworkers/test/fetch/upgrade-insecure/realindex.html b/dom/serviceworkers/test/fetch/upgrade-insecure/realindex.html
new file mode 100644
index 0000000000..aaa255aad3
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/upgrade-insecure/realindex.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<script>
+  window.parent.postMessage({status: "protocol", data: location.protocol}, "*");
+</script>
diff --git a/dom/serviceworkers/test/fetch/upgrade-insecure/register.html b/dom/serviceworkers/test/fetch/upgrade-insecure/register.html
new file mode 100644
index 0000000000..6309b9b218
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/upgrade-insecure/register.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  navigator.serviceWorker.ready.then(done);
+  navigator.serviceWorker.register("upgrade-insecure_test.js", {scope: "."});
+</script>
diff --git a/dom/serviceworkers/test/fetch/upgrade-insecure/unregister.html b/dom/serviceworkers/test/fetch/upgrade-insecure/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/upgrade-insecure/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>
diff --git a/dom/serviceworkers/test/fetch/upgrade-insecure/upgrade-insecure_test.js b/dom/serviceworkers/test/fetch/upgrade-insecure/upgrade-insecure_test.js
new file mode 100644
index 0000000000..74b9ed23ba
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/upgrade-insecure/upgrade-insecure_test.js
@@ -0,0 +1,11 @@
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("index.html")) {
+    event.respondWith(fetch("realindex.html"));
+  } else if (event.request.url.includes("image-20px.png")) {
+    if (event.request.url.indexOf("https://") == 0) {
+      event.respondWith(fetch("image-40px.png"));
+    } else {
+      event.respondWith(Response.error());
+    }
+  }
+});
-- 
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