From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 testing/web-platform/tests/idle-detection/META.yml |   5 +
 .../basics.tentative.https.window.js               |  98 ++++++
 ...olicy-attribute-redirect-on-load.https.sub.html |  52 +++
 ...-by-permissions-policy-attribute.https.sub.html |  48 +++
 ...on-allowed-by-permissions-policy.https.sub.html |  57 ++++
 ...ed-by-permissions-policy.https.sub.html.headers |   1 +
 ...ction-default-permissions-policy.https.sub.html |  39 +++
 ...n-disabled-by-permissions-policy.https.sub.html |  56 +++
 ...ed-by-permissions-policy.https.sub.html.headers |   1 +
 .../idle-permission.tentative.https.window.js      |  34 ++
 .../idlharness-worker.https.window.js              |  10 +
 .../idle-detection/idlharness.https.window.js      |  26 ++
 .../tests/idle-detection/interceptor.https.html    | 378 +++++++++++++++++++++
 .../idle-detection/page-visibility.https.html      |  79 +++++
 ...tection-allowed-by-permissions-policy-worker.js |  16 +
 ...ection-disabled-by-permissions-policy-worker.js |  22 ++
 .../resources/idle-detection-helper.js             |  14 +
 .../idle-detection/resources/idlharness-worker.js  |  22 ++
 18 files changed, 958 insertions(+)
 create mode 100644 testing/web-platform/tests/idle-detection/META.yml
 create mode 100644 testing/web-platform/tests/idle-detection/basics.tentative.https.window.js
 create mode 100644 testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy-attribute-redirect-on-load.https.sub.html
 create mode 100644 testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy-attribute.https.sub.html
 create mode 100644 testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy.https.sub.html
 create mode 100644 testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy.https.sub.html.headers
 create mode 100644 testing/web-platform/tests/idle-detection/idle-detection-default-permissions-policy.https.sub.html
 create mode 100644 testing/web-platform/tests/idle-detection/idle-detection-disabled-by-permissions-policy.https.sub.html
 create mode 100644 testing/web-platform/tests/idle-detection/idle-detection-disabled-by-permissions-policy.https.sub.html.headers
 create mode 100644 testing/web-platform/tests/idle-detection/idle-permission.tentative.https.window.js
 create mode 100644 testing/web-platform/tests/idle-detection/idlharness-worker.https.window.js
 create mode 100644 testing/web-platform/tests/idle-detection/idlharness.https.window.js
 create mode 100644 testing/web-platform/tests/idle-detection/interceptor.https.html
 create mode 100644 testing/web-platform/tests/idle-detection/page-visibility.https.html
 create mode 100644 testing/web-platform/tests/idle-detection/resources/idle-detection-allowed-by-permissions-policy-worker.js
 create mode 100644 testing/web-platform/tests/idle-detection/resources/idle-detection-disabled-by-permissions-policy-worker.js
 create mode 100644 testing/web-platform/tests/idle-detection/resources/idle-detection-helper.js
 create mode 100644 testing/web-platform/tests/idle-detection/resources/idlharness-worker.js

(limited to 'testing/web-platform/tests/idle-detection')

diff --git a/testing/web-platform/tests/idle-detection/META.yml b/testing/web-platform/tests/idle-detection/META.yml
new file mode 100644
index 0000000000..adbdc7bd93
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/META.yml
@@ -0,0 +1,5 @@
+spec: https://wicg.github.io/idle-detection/
+suggested_reviewers:
+  - goto
+  - jsbell
+  - reillyg
\ No newline at end of file
diff --git a/testing/web-platform/tests/idle-detection/basics.tentative.https.window.js b/testing/web-platform/tests/idle-detection/basics.tentative.https.window.js
new file mode 100644
index 0000000000..32cb6204b9
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/basics.tentative.https.window.js
@@ -0,0 +1,98 @@
+// META: script=/resources/testdriver.js
+// META: script=/resources/testdriver-vendor.js
+// META: title=Idle Detection API: Basics
+
+'use strict';
+
+promise_setup(async t => {
+  await test_driver.set_permission({name: 'idle-detection'}, 'granted');
+})
+
+promise_test(async t => {
+  let detector = new IdleDetector();
+  let watcher = new EventWatcher(t, detector, ["change"]);
+  let initial_state = watcher.wait_for("change");
+
+  await detector.start();
+  await initial_state;
+
+  assert_true(['active', 'idle'].includes(detector.userState),
+                'has a valid user state');
+  assert_true(['locked', 'unlocked'].includes(detector.screenState),
+                'has a valid screen state');
+}, 'start() basics');
+
+promise_test(async t => {
+  let used = false;
+
+  const detector = new IdleDetector();
+  detector.start({
+    get threshold() {
+      used = true;
+      return 60000;
+    }
+  });
+
+  assert_true(used, 'start() options "threshold" member was used');
+}, 'start() uses threshold property');
+
+promise_test(async t => {
+  let used = false;
+
+  const controller = new AbortController();
+  const detector = new IdleDetector();
+  detector.start({
+    get signal() {
+      used = true;
+      return controller.signal;
+    }
+  });
+
+  assert_true(used, 'start() options "signal" member was used');
+}, 'start() uses signal property');
+
+
+promise_test(async t => {
+  const detector = new IdleDetector();
+  await promise_rejects_js(t, TypeError, detector.start({threshold: 0}));
+}, 'start() rejects with invalid threshold (0)');
+
+promise_test(async t => {
+  const detector = new IdleDetector();
+  await promise_rejects_js(t, TypeError, detector.start({threshold: 59000}));
+}, 'start() rejects with threshold below minimum (59000)');
+
+promise_test(async t => {
+  const detector = new IdleDetector();
+  await detector.start({threshold: 60000});
+}, 'start() rejects threshold (60000)');
+
+promise_test(async t => {
+  const detector = new IdleDetector();
+  await detector.start({threshold: 61000});
+}, 'start() allows threshold (61000)');
+
+promise_test(async t => {
+  const detector = new IdleDetector();
+  await promise_rejects_js(t, TypeError, detector.start({threshold: null}));
+}, 'start() rejects with invalid threshold (null)');
+
+promise_test(async t => {
+  const detector = new IdleDetector();
+  await promise_rejects_js(t, TypeError, detector.start({threshold: -1}));
+}, 'start() rejects with invalid threshold (-1)');
+
+promise_test(async t => {
+  const detector = new IdleDetector();
+  await promise_rejects_js(t, TypeError, detector.start({threshold: NaN}));
+}, 'start() rejects with invalid threshold (NaN)');
+
+promise_test(async t => {
+  const detector = new IdleDetector();
+  await detector.start();
+}, 'start() uses a default value for the threshold when none is passed');
+
+promise_test(async t => {
+  const detector = new IdleDetector();
+  await detector.start({threshold: undefined});
+}, 'start() uses a default value for the threshold');
diff --git a/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy-attribute-redirect-on-load.https.sub.html b/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy-attribute-redirect-on-load.https.sub.html
new file mode 100644
index 0000000000..e419840ccd
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy-attribute-redirect-on-load.https.sub.html
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<body>
+<script src=/resources/testdriver.js></script>
+<script src=/resources/testdriver-vendor.js></script>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/permissions-policy/resources/permissions-policy.js></script>
+<script>
+'use strict';
+
+const base_src = '/permissions-policy/resources/redirect-on-load.html#';
+const sub = 'https://{{domains[www]}}:{{ports[https][0]}}';
+const relative_path =
+  '/permissions-policy/resources/permissions-policy-idle-detection.html';
+const relative_worker_frame_path =
+  '/permissions-policy/resources/permissions-policy-idle-detection-worker.html';
+const same_origin_src = base_src + relative_path;
+const same_origin_worker_frame_src = base_src + relative_worker_frame_path;
+const cross_origin_src = base_src + sub + relative_path;
+const cross_origin_worker_frame_src = base_src + sub +
+  relative_worker_frame_path;
+
+promise_setup(async () => {
+  await test_driver.set_permission({ name: 'idle-detection' }, 'granted');
+});
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, same_origin_src,
+      expect_feature_available_default, 'idle-detection');
+}, 'Attribute allow="idle-detection" in top-level frame ' +
+   'allows same-origin relocation.');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, same_origin_worker_frame_src,
+      expect_feature_available_default, 'idle-detection');
+}, 'Attribute allow="idle-detection" in top-level frame ' +
+   'allows workers in same-origin relocation.');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, cross_origin_src,
+      expect_feature_unavailable_default, 'idle-detection');
+}, 'Attribute allow="idle-detection" in top-level frame ' +
+   'disallows cross-origin relocation.');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, cross_origin_worker_frame_src,
+      expect_feature_unavailable_default, 'idle-detection');
+}, 'Attribute allow="idle-detection" in top-level frame ' +
+   'disallows workers in cross-origin relocation.');
+
+</script>
+</body>
diff --git a/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy-attribute.https.sub.html b/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy-attribute.https.sub.html
new file mode 100644
index 0000000000..e05772d9bc
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy-attribute.https.sub.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<body>
+<script src=/resources/testdriver.js></script>
+<script src=/resources/testdriver-vendor.js></script>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/permissions-policy/resources/permissions-policy.js></script>
+<script>
+'use strict';
+
+const sub = 'https://{{domains[www]}}:{{ports[https][0]}}';
+const same_origin_src =
+  '/permissions-policy/resources/permissions-policy-idle-detection.html'
+const same_origin_worker_frame_src =
+    '/permissions-policy/resources/permissions-policy-idle-detection-worker.html';
+const cross_origin_src = sub + same_origin_src;
+const cross_origin_worker_frame_src = sub + same_origin_worker_frame_src;
+
+promise_setup(async () => {
+  await test_driver.set_permission({ name: 'idle-detection' }, 'granted');
+});
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, same_origin_src,
+      expect_feature_available_default, 'idle-detection');
+}, 'Attribute allow="idle-detection" in top-level frame can be enabled ' +
+   'in same-origin iframe using Permissions Policy "idle-detection".');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, same_origin_worker_frame_src,
+      expect_feature_available_default, 'idle-detection');
+}, 'Attribute allow="idle-detection" in top-level frame can be enabled ' +
+   'in a worker in same-origin iframe using Permissions Policy "idle-detection".');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, cross_origin_src,
+      expect_feature_available_default, 'idle-detection');
+}, 'Attribute allow="idle-detection" in top-level frame can be enabled ' +
+   'in cross-origin iframe using Permissions Policy "idle-detection".');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, cross_origin_worker_frame_src,
+      expect_feature_available_default, 'idle-detection');
+}, 'Attribute allow="idle-detection" in top-level frame can be enabled ' +
+   'in a worker in cross-origin iframe using Permissions Policy "idle-detection".');
+
+</script>
+</body>
diff --git a/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy.https.sub.html b/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy.https.sub.html
new file mode 100644
index 0000000000..6fae367730
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy.https.sub.html
@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<body>
+<script src=/resources/testdriver.js></script>
+<script src=/resources/testdriver-vendor.js></script>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/permissions-policy/resources/permissions-policy.js></script>
+<script>
+'use strict';
+
+const sub = 'https://{{domains[www]}}:{{ports[https][0]}}';
+const same_origin_src =
+  '/permissions-policy/resources/permissions-policy-idle-detection.html'
+const same_origin_worker_frame_src =
+    '/permissions-policy/resources/permissions-policy-idle-detection-worker.html';
+const cross_origin_src = sub + same_origin_src;
+const cross_origin_worker_frame_src = sub + same_origin_worker_frame_src;
+
+promise_setup(async () => {
+  await test_driver.set_permission({ name: 'idle-detection' }, 'granted');
+});
+
+promise_test(async t => {
+  await new IdleDetector().start();
+},
+  'Permissions-Policy idle-detection=* explicity set by top-level ' +
+  'frame allows the top-level document.');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, same_origin_src,
+      expect_feature_available_default);
+}, 'Permissions-Policy idle-detection=* explicity set by top-level ' +
+   'frame allows same-origin iframes.');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, same_origin_worker_frame_src,
+      expect_feature_available_default);
+}, 'Permissions-Policy idle-detection=* explicity set by top-level ' +
+   'frame allows workers in same-origin iframes.');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, cross_origin_src,
+      expect_feature_available_default);
+}, 'Permissions-Policy idle-detection=* explicity set by top-level ' +
+   'frame allows cross-origin iframes.');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, cross_origin_worker_frame_src,
+      expect_feature_available_default);
+}, 'Permissions-Policy idle-detection=* explicity set by top-level ' +
+   'frame allows workers in cross-origin iframes.');
+
+fetch_tests_from_worker(new Worker(
+  'resources/idle-detection-allowed-by-permissions-policy-worker.js'))
+
+</script>
+</body>
diff --git a/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy.https.sub.html.headers b/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy.https.sub.html.headers
new file mode 100644
index 0000000000..2bf18afe5f
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idle-detection-allowed-by-permissions-policy.https.sub.html.headers
@@ -0,0 +1 @@
+Permissions-Policy: idle-detection=*
diff --git a/testing/web-platform/tests/idle-detection/idle-detection-default-permissions-policy.https.sub.html b/testing/web-platform/tests/idle-detection/idle-detection-default-permissions-policy.https.sub.html
new file mode 100644
index 0000000000..90cb7f88d3
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idle-detection-default-permissions-policy.https.sub.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<body>
+<script src=/resources/testdriver.js></script>
+<script src=/resources/testdriver-vendor.js></script>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/permissions-policy/resources/permissions-policy.js></script>
+<script>
+'use strict';
+
+const same_origin_src =
+  '/permissions-policy/resources/permissions-policy-idle-detection.html'
+const cross_origin_src = 'https://{{domains[www]}}:{{ports[https][0]}}' +
+  same_origin_src;
+
+promise_setup(async () => {
+  await test_driver.set_permission({ name: 'idle-detection' }, 'granted');
+});
+
+promise_test(async t => {
+  await new IdleDetector().start()
+},
+  'Default "idle-detection" permissions policy "self" ' +
+  'allows the top-level document.');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, same_origin_src,
+      expect_feature_available_default);
+}, 'Default "idle-detection" permissions policy "self" ' +
+   'allows same-origin iframes.');
+
+promise_test(async t => {
+  test_feature_availability('new IdleDetector().start()', t, cross_origin_src,
+      expect_feature_unavailable_default);
+}, 'Default "idle-detection" permissions policy "self" ' +
+   'disallows cross-origin iframes.');
+
+</script>
+</body>
diff --git a/testing/web-platform/tests/idle-detection/idle-detection-disabled-by-permissions-policy.https.sub.html b/testing/web-platform/tests/idle-detection/idle-detection-disabled-by-permissions-policy.https.sub.html
new file mode 100644
index 0000000000..90317dece7
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idle-detection-disabled-by-permissions-policy.https.sub.html
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<body>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/permissions-policy/resources/permissions-policy.js></script>
+<script>
+'use strict';
+
+const sub = 'https://{{domains[www]}}:{{ports[https][0]}}';
+const same_origin_src =
+  '/permissions-policy/resources/permissions-policy-idle-detection.html'
+const same_origin_worker_frame_src =
+    '/permissions-policy/resources/permissions-policy-idle-detection-worker.html';
+const cross_origin_src = sub + same_origin_src;
+const cross_origin_worker_frame_src = sub + same_origin_worker_frame_src;
+
+promise_test(async () => {
+  try {
+    let idleDetector = new IdleDetector();
+    await idleDetector.start();
+    assert_unreached('expected promise to reject with SecurityError');
+  } catch (error) {
+    assert_equals(error.name, 'SecurityError');
+  }
+}, 'Permissions-Policy idle-detection=() explicitly set by top-level frame ' +
+   'disallows query in the top-level document.');
+
+async_test(t => {
+  test_feature_availability('new IdleDetector().start()', t, same_origin_src,
+      expect_feature_unavailable_default);
+}, 'Permissions-Policy idle-detection=() explicitly set by top-level frame ' +
+   'disallows same-origin iframes.');
+
+async_test(t => {
+  test_feature_availability('new IdleDetector().start()', t, same_origin_worker_frame_src,
+      expect_feature_unavailable_default);
+}, 'Permissions-Policy idle-detection=() explicitly set by top-level frame ' +
+   'disallows workers in same-origin iframes.');
+
+async_test(t => {
+  test_feature_availability('new IdleDetector().start()', t, cross_origin_src,
+      expect_feature_unavailable_default);
+}, 'Permissions-Policy idle-detection=() explicitly set by top-level frame ' +
+   'disallows cross-origin iframes.');
+
+async_test(t => {
+  test_feature_availability('new IdleDetector().start()', t, cross_origin_worker_frame_src,
+      expect_feature_unavailable_default);
+}, 'Permissions-Policy idle-detection=() explicitly set by top-level frame ' +
+   'disallows workers in cross-origin iframes.');
+
+fetch_tests_from_worker(new Worker(
+  'resources/idle-detection-disabled-by-permissions-policy-worker.js'))
+
+</script>
+</body>
diff --git a/testing/web-platform/tests/idle-detection/idle-detection-disabled-by-permissions-policy.https.sub.html.headers b/testing/web-platform/tests/idle-detection/idle-detection-disabled-by-permissions-policy.https.sub.html.headers
new file mode 100644
index 0000000000..289463c30d
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idle-detection-disabled-by-permissions-policy.https.sub.html.headers
@@ -0,0 +1 @@
+Permissions-Policy: idle-detection=()
diff --git a/testing/web-platform/tests/idle-detection/idle-permission.tentative.https.window.js b/testing/web-platform/tests/idle-detection/idle-permission.tentative.https.window.js
new file mode 100644
index 0000000000..524062f9f3
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idle-permission.tentative.https.window.js
@@ -0,0 +1,34 @@
+// META: script=/resources/testdriver.js
+// META: script=/resources/testdriver-vendor.js
+'use strict';
+
+promise_test(async t => {
+  await test_driver.set_permission({name: 'idle-detection'}, 'denied');
+
+  let detector = new IdleDetector();
+  await promise_rejects_dom(t, 'NotAllowedError', detector.start());
+}, 'Denying idle-detection permission should block access.');
+
+promise_test(async t => {
+  await test_driver.set_permission({name: 'idle-detection'}, 'granted');
+
+  let detector = new IdleDetector();
+  await detector.start();
+
+  assert_true(
+      ['active', 'idle'].includes(detector.userState),
+      'has a valid user state');
+  assert_true(
+      ['locked', 'unlocked'].includes(detector.screenState),
+      'has a valid screen state');
+}, 'Granting idle-detection permission should allow access.');
+
+promise_test(async t => {
+  await test_driver.set_permission({name: 'idle-detection'}, 'prompt');
+
+  await promise_rejects_dom(t, 'NotAllowedError', IdleDetector.requestPermission());
+
+  await test_driver.bless('request permission');
+  let state = await IdleDetector.requestPermission();
+  assert_equals(state, 'prompt');
+}, 'The idle-detection permission cannot be requested without a user gesture');
diff --git a/testing/web-platform/tests/idle-detection/idlharness-worker.https.window.js b/testing/web-platform/tests/idle-detection/idlharness-worker.https.window.js
new file mode 100644
index 0000000000..e8fcf9ede6
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idlharness-worker.https.window.js
@@ -0,0 +1,10 @@
+// META: script=/resources/testdriver.js
+// META: script=/resources/testdriver-vendor.js
+
+'use strict';
+
+promise_test(async t => {
+  await test_driver.set_permission({name: 'idle-detection'}, 'granted');
+
+  await fetch_tests_from_worker(new Worker('resources/idlharness-worker.js'));
+}, 'Run idlharness tests in a worker.');
diff --git a/testing/web-platform/tests/idle-detection/idlharness.https.window.js b/testing/web-platform/tests/idle-detection/idlharness.https.window.js
new file mode 100644
index 0000000000..2f1758098f
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/idlharness.https.window.js
@@ -0,0 +1,26 @@
+// META: script=/resources/WebIDLParser.js
+// META: script=/resources/idlharness.js
+// META: script=/resources/testdriver.js
+// META: script=/resources/testdriver-vendor.js
+
+// https://github.com/samuelgoto/idle-detection
+
+'use strict';
+
+idl_test(
+    ['idle-detection'],
+    ['dom', 'html'],
+    async (idl_array, t) => {
+      await test_driver.set_permission({ name: 'idle-detection' }, 'granted');
+
+      self.idle = new IdleDetector();
+      let watcher = new EventWatcher(t, self.idle, ["change"]);
+      let initial_state = watcher.wait_for("change");
+      await self.idle.start();
+      await initial_state;
+
+      idl_array.add_objects({
+        IdleDetector: ['idle'],
+      });
+    }
+);
diff --git a/testing/web-platform/tests/idle-detection/interceptor.https.html b/testing/web-platform/tests/idle-detection/interceptor.https.html
new file mode 100644
index 0000000000..e9350ce8ce
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/interceptor.https.html
@@ -0,0 +1,378 @@
+<!DOCTYPE html>
+<link rel="help" href="https://github.com/samuelgoto/idle-detection">
+<title>Tests the Idle Detection API</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="resources/idle-detection-helper.js"></script>
+<script>
+'use strict';
+
+promise_setup(async t => {
+  await test_driver.set_permission({ name: 'idle-detection' }, 'granted');
+  if (isChromiumBased) {
+    await loadChromiumResources();
+  }
+})
+
+promise_test(async t => {
+  // Basic test that expects start() to call internally
+  // addMonitor, which in turn return an ACTIVE state.
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: true
+        }
+      };
+  });
+
+  const controller = new AbortController();
+  const detector = new IdleDetector();
+  const watcher = new EventWatcher(t, detector, ["change"]);
+  const initial_state = watcher.wait_for("change");
+
+  await detector.start({ signal: controller.signal });
+  await initial_state;
+
+  assert_equals(detector.userState, "active");
+  assert_equals(detector.screenState, "locked");
+
+  controller.abort();
+}, 'start()');
+
+promise_test(async t => {
+  // Verifies that an event is thrown when a change of state from IDLE to ACTIVE
+  // is detected.
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      const first = {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: false
+        }
+      };
+
+      t.step_timeout(() => {
+        monitorPtr.update(
+          {
+            idleTime: { milliseconds: 0 },
+            screenLocked: false
+          },
+          /*is_overridden_by_devtools=*/true
+        );
+      }, 0);
+
+      return first;
+    });
+
+  const controller = new AbortController();
+  const detector = new IdleDetector();
+  const watcher = new EventWatcher(t, detector, ["change"]);
+  const initial_state = watcher.wait_for("change");
+
+  await detector.start({ signal: controller.signal });
+  await initial_state;
+  assert_equals(detector.userState, "active");
+  assert_equals(detector.screenState, "unlocked");
+
+  // Wait for the first change in state.
+  await watcher.wait_for("change");
+
+  assert_equals(detector.userState, "idle");
+  assert_equals(detector.screenState, "unlocked");
+
+  controller.abort();
+}, 'updates once');
+
+promise_test(async t => {
+  // Simulates the user being active, going idle and then going back active
+  // again.
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      const first = {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: false
+        }
+      };
+
+      // Updates the client once with the user idle.
+      t.step_timeout(() => {
+        monitorPtr.update(
+          {
+            idleTime: { milliseconds: 0 },
+            screenLocked: false
+          },
+          /*is_overridden_by_devtools=*/true
+        );
+      }, 0);
+
+      // Updates the client a second time with the user active.
+      t.step_timeout(() => {
+        monitorPtr.update(
+          {
+            idleTime: null,
+            screenLocked: false
+          },
+          /*is_overridden_by_devtools=*/true
+        );
+      }, 1);
+
+      return first;
+    });
+
+  const controller = new AbortController();
+  const detector = new IdleDetector();
+  const watcher = new EventWatcher(t, detector, ["change"]);
+  const initial_state = watcher.wait_for("change");
+
+  await detector.start({ signal: controller.signal });
+  await initial_state;
+
+  // Waits for the first event.
+  await watcher.wait_for("change");
+  assert_equals(detector.userState, "idle");
+
+  // Waits for the second event.
+  await watcher.wait_for("change");
+  assert_equals(detector.userState, "active");
+
+  controller.abort();
+}, 'updates twice');
+
+promise_test(async t => {
+  // Simulates a locked screen.
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: true
+        }
+      };
+    });
+
+  const controller = new AbortController();
+  const detector = new IdleDetector();
+  const watcher = new EventWatcher(t, detector, ["change"]);
+  const initial_state = watcher.wait_for("change");
+
+  await detector.start({ signal: controller.signal });
+  await initial_state;
+
+  assert_equals(detector.screenState, "locked");
+
+  controller.abort();
+}, 'locked screen');
+
+promise_test(async t => {
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: true
+        }
+      };
+  });
+
+  const controller = new AbortController();
+  const detector = new IdleDetector();
+
+  let event = new Promise((resolve, reject) => {
+    detector.onchange = resolve;
+  });
+
+  await detector.start({ signal: controller.signal });
+
+  // Waits for the first event.
+  await event;
+
+  assert_equals(detector.userState, "active");
+  assert_equals(detector.screenState, "locked");
+
+  controller.abort();
+}, 'IdleDetector.onchange');
+
+promise_test(async t => {
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: false
+        }
+      };
+    });
+
+  const controller = new AbortController();
+  const detector = new IdleDetector({ signal: controller.signal });
+
+  const watcher = new EventWatcher(t, detector, ["change"]);
+  const initial_state = watcher.wait_for("change");
+
+  // Only the first call to start() is allowed.
+  const start_promise = detector.start({ signal: controller.signal });
+  await promise_rejects_dom(t, 'InvalidStateError', detector.start());
+  await start_promise;
+
+  await initial_state;
+  assert_equals(detector.userState, "active");
+  assert_equals(detector.screenState, "unlocked");
+
+  // Calling abort() multiple times is safe.
+  controller.abort();
+  controller.abort();
+  controller.abort();
+  controller.abort();
+}, 'Calling start() and abort() multiple times');
+
+promise_test(async t => {
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: false
+        }
+      };
+    });
+
+  const controller = new AbortController();
+  const detector = new IdleDetector();
+
+  controller.abort();
+
+  await promise_rejects_dom(
+      t, 'AbortError', detector.start({ signal: controller.signal }));
+}, 'Calling abort() before start() makes it fail');
+
+promise_test(async t => {
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: false
+        }
+      };
+    });
+
+  const controller = new AbortController();
+  const detector = new IdleDetector();
+
+  const promise = promise_rejects_dom(
+      t, 'AbortError', detector.start({ signal: controller.signal }))
+  controller.abort();
+
+  await promise;
+}, 'Calling abort() after start() makes it fail');
+
+promise_test(async t => {
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: false
+        }
+      };
+    });
+
+  const detector = new IdleDetector();
+  const watcher = new EventWatcher(t, detector, ["change"]);
+
+  let controller = new AbortController();
+  const first_start = promise_rejects_dom(
+      t, 'AbortError', detector.start({ signal: controller.signal }))
+  controller.abort();
+
+  controller = new AbortController();
+  const initial_state = watcher.wait_for("change");
+  const second_start = detector.start({ signal: controller.signal });
+
+  await first_start;
+  await second_start;
+  await initial_state;
+  assert_equals(detector.userState, "active");
+  assert_equals(detector.screenState, "unlocked");
+
+  controller.abort();
+}, 'A start() that has been aborted can be retried');
+
+promise_test(async t => {
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: false
+        }
+      };
+    });
+
+  let controller = new AbortController();
+  const detector = new IdleDetector();
+  const watcher = new EventWatcher(t, detector, ["change"]);
+  let initial_state = watcher.wait_for("change");
+
+  await detector.start({ signal: controller.signal });
+  await initial_state;
+  assert_equals(detector.userState, "active");
+  assert_equals(detector.screenState, "unlocked");
+
+  controller.abort();
+
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: { milliseconds: 0 },
+          screenLocked: true
+        }
+      };
+    });
+
+  // Restarting the monitor.
+  controller = new AbortController();
+
+  initial_state = watcher.wait_for("change");
+  await detector.start({ signal: controller.signal });
+  await initial_state;
+  assert_equals(detector.userState, "idle");
+  assert_equals(detector.screenState, "locked");
+
+  // Abort in a new task and restart the monitor again.
+  const p = new Promise((resolve) => {
+    t.step_timeout(resolve, 1);
+  });
+  await p;
+  controller.abort();
+
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: { milliseconds: 0 },
+          screenLocked: false
+        }
+      };
+    });
+
+  // Restarting the monitor.
+  controller = new AbortController();
+
+  initial_state = watcher.wait_for("change");
+  await detector.start({ signal: controller.signal });
+  await initial_state;
+  assert_equals(detector.userState, "idle");
+  assert_equals(detector.screenState, "unlocked");
+
+  controller.abort();
+}, 'Calling start() after abort(): re-starting monitor.');
+
+</script>
diff --git a/testing/web-platform/tests/idle-detection/page-visibility.https.html b/testing/web-platform/tests/idle-detection/page-visibility.https.html
new file mode 100644
index 0000000000..550683f704
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/page-visibility.https.html
@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<link rel="help" href="https://github.com/samuelgoto/idle-detection">
+<title>Tests the Idle Detection API</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/page-visibility/resources/window_state_context.js"></script>
+<script src="resources/idle-detection-helper.js"></script>
+<script>
+'use strict';
+
+promise_setup(async t => {
+  await test_driver.set_permission({ name: 'idle-detection' }, 'granted');
+  if (isChromiumBased) {
+    await loadChromiumResources();
+  }
+})
+
+promise_test(async t => {
+  let monitor;
+
+  expect(addMonitor).andReturn(async (monitorPtr) => {
+      monitor = monitorPtr;
+      return {
+        error: IdleDetectorError.SUCCESS,
+        state: {
+          idleTime: null,
+          screenLocked: false
+        }
+      };
+    });
+
+  const controller = new AbortController();
+  t.add_cleanup(() => {
+    controller.abort();
+  });
+  const detector = new IdleDetector();
+  const watcher = new EventWatcher(t, detector, ["change"]);
+  const initial_state = watcher.wait_for("change");
+
+  await detector.start({threshold: 60000, signal: controller.signal});
+  await initial_state;
+
+  assert_equals(detector.userState, "active");
+  assert_false(document.hidden);
+
+  const {minimize, restore} = window_state_context(t);
+
+  await minimize();
+  monitor.update(
+          {
+            idleTime: { milliseconds: 0 },
+            screenLocked: false
+          },
+          /*is_overridden_by_devtools=*/true
+        );
+
+  // Assert that the detector works while the page is not visible.
+  await watcher.wait_for("change");
+  assert_equals(detector.userState, "idle");
+  assert_true(document.hidden);
+
+  await restore();
+  monitor.update(
+          {
+            idleTime: null,
+            screenLocked: false
+          },
+          /*is_overridden_by_devtools=*/true
+        );
+
+  await watcher.wait_for("change");
+  assert_equals(detector.userState, "active");
+  assert_false(document.hidden);
+}, 'Page visibility.');
+
+</script>
diff --git a/testing/web-platform/tests/idle-detection/resources/idle-detection-allowed-by-permissions-policy-worker.js b/testing/web-platform/tests/idle-detection/resources/idle-detection-allowed-by-permissions-policy-worker.js
new file mode 100644
index 0000000000..1fe410ed11
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/resources/idle-detection-allowed-by-permissions-policy-worker.js
@@ -0,0 +1,16 @@
+'use strict';
+
+importScripts('/resources/testharness.js');
+
+let workerType;
+
+if (typeof postMessage === 'function') {
+  workerType = 'dedicated';
+}
+
+promise_test(async () => {
+  await new IdleDetector().start()
+},
+    `Inherited header permissions policy allows ${workerType} workers.`)
+
+done();
diff --git a/testing/web-platform/tests/idle-detection/resources/idle-detection-disabled-by-permissions-policy-worker.js b/testing/web-platform/tests/idle-detection/resources/idle-detection-disabled-by-permissions-policy-worker.js
new file mode 100644
index 0000000000..c30f7c188e
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/resources/idle-detection-disabled-by-permissions-policy-worker.js
@@ -0,0 +1,22 @@
+'use strict';
+
+importScripts('/resources/testharness.js');
+
+const header = 'Permissions-Policy header idle-detection=()';
+let workerType;
+
+if (typeof postMessage === 'function') {
+  workerType = 'dedicated';
+}
+
+promise_test(async () => {
+  try {
+    await new IdleDetector().start();
+    assert_unreached('expected start() to throw with SecurityError');
+  } catch (error) {
+    assert_equals(error.name, 'SecurityError');
+  }
+},
+`Inherited ${header} disallows ${workerType} workers.`);
+
+done();
diff --git a/testing/web-platform/tests/idle-detection/resources/idle-detection-helper.js b/testing/web-platform/tests/idle-detection/resources/idle-detection-helper.js
new file mode 100644
index 0000000000..f053e635e0
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/resources/idle-detection-helper.js
@@ -0,0 +1,14 @@
+'use strict';
+
+// These tests rely on the User Agent providing an implementation of
+// platform nfc backends.
+//
+// In Chromium-based browsers this implementation is provided by a polyfill
+// in order to reduce the amount of test-only code shipped to users. To enable
+// these tests the browser must be run with these options:
+//
+//   --enable-blink-features=MojoJS,MojoJSTest
+
+async function loadChromiumResources() {
+  await import('/resources/chromium/mock-idle-detection.js');
+}
diff --git a/testing/web-platform/tests/idle-detection/resources/idlharness-worker.js b/testing/web-platform/tests/idle-detection/resources/idlharness-worker.js
new file mode 100644
index 0000000000..9733050284
--- /dev/null
+++ b/testing/web-platform/tests/idle-detection/resources/idlharness-worker.js
@@ -0,0 +1,22 @@
+'use strict';
+
+importScripts("/resources/testharness.js");
+importScripts("/resources/WebIDLParser.js", "/resources/idlharness.js");
+
+idl_test(
+    ['idle-detection'],
+    ['dom', 'html'],
+    async (idl_array, t) => {
+      self.idle = new IdleDetector();
+      let watcher = new EventWatcher(t, self.idle, ["change"]);
+      let initial_state = watcher.wait_for("change");
+      await self.idle.start();
+      await initial_state;
+
+      idl_array.add_objects({
+        IdleDetector: ['idle'],
+      });
+    }
+);
+
+done();
-- 
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