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+++ b/dom/tests/mochitest/geolocation/test_hidden.html
@@ -0,0 +1,110 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1653549
+-->
+<meta charset="utf-8">
+<title>Test that geolocation position can't be gotten when document is hidden</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<script src="geolocation_common.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1653549">Mozilla Bug 1653549</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+
+<script class="testbody">
+SimpleTest.waitForExplicitFinish();
+
+// Little promise wrapper helper.
+function p(f) {
+  return new Promise((r) => f(r));
+}
+
+resume_geolocationProvider(async () => {
+  // Initialize
+  await new Promise((r) => force_prompt(true, r));
+  const popupWindow = window.open("popup.html");
+  popupWindow.opener = window;
+  await new Promise((r) =>
+    window.addEventListener("message", r, { once: true })
+  );
+
+  // Confirm everything is working ok...
+  const geo = popupWindow.navigator.geolocation;
+  await new Promise((resolve, reject) => {
+    geo.getCurrentPosition(resolve, reject);
+  });
+
+  // Hide the document...
+  const hiddenPromise = new Promise(
+    (r) => (popupWindow.document.onvisibilitychange = r)
+  );
+  await SimpleTest.promiseFocus(window);
+  await hiddenPromise;
+
+  // The following promises only resolve successfully when document is visible,
+  // meaning that position updates are ignored when the document is hidden.
+  let success = false;
+  let watchId = null;
+  const watchPositionPromise = new Promise((resolve) => {
+    watchId = geo.watchPosition(
+      () => {
+        ok(success, "watchPosition was called.");
+        if (!success) {
+          throw new Error("watchPosition was called too early");
+        }
+        resolve();
+      },
+      () => {
+        ok(false, "Error callback of watchPosition must not be called.");
+      }
+    );
+  });
+
+  const currentPositionPromise = new Promise((resolve) => {
+    geo.getCurrentPosition(
+      () => {
+        ok(success, "getCurrentPosition was called.");
+        if (!success){
+          throw new Error("getCurrentPosition was called too early");
+        }
+        resolve();
+      },
+      () => {
+        ok(false, "Error callback of getCurrentPosition must not be called.");
+      }
+    );
+  });
+
+  // Send data to be ignored...
+  await p(start_sending_garbage);
+  await p(stop_sending_garbage);
+  await p(resume_geolocationProvider);
+
+  // Refocus popup window...
+  const visiblePopupPromise = new Promise(
+    (r) => (popupWindow.document.onvisibilitychange = r)
+  );
+  await SimpleTest.promiseFocus(popupWindow);
+  await visiblePopupPromise;
+
+  // Resuming the geolocation events must now cause the promises to resolve correctly (with success = true).
+  success = true;
+  await p(resume_geolocationProvider);
+  await Promise.all([currentPositionPromise, watchPositionPromise]);
+
+  // Cleanup and finish!
+  geo.clearWatch(watchId);
+  await SimpleTest.promiseFocus(window);
+  popupWindow.close();
+  SimpleTest.finish();
+});
+
+</script>
+</pre>
+</body>
+</html>
+