test: update hr-time web platform tests

PR-URL: #44100 Reviewed-By: Feng Yu <F3n67u@outlook.com> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
nodejs · Oct 10, 2022 · 3c30962 · 3c30962
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diff --git a/test/fixtures/wpt/README.md b/test/fixtures/wpt/README.md
@@ -16,7 +16,7 @@ Last update:
 - dom/events: https://github.com/web-platform-tests/wpt/tree/f8821adb28/dom/events
 - encoding: https://github.com/web-platform-tests/wpt/tree/c1b24fce6e/encoding
 - FileAPI: https://github.com/web-platform-tests/wpt/tree/3b279420d4/FileAPI
-- hr-time: https://github.com/web-platform-tests/wpt/tree/9910784394/hr-time
+- hr-time: https://github.com/web-platform-tests/wpt/tree/34cafd797e/hr-time
 - html/webappapis/atob: https://github.com/web-platform-tests/wpt/tree/f267e1dca6/html/webappapis/atob
 - html/webappapis/microtask-queuing: https://github.com/web-platform-tests/wpt/tree/2c5c3c4c27/html/webappapis/microtask-queuing
 - html/webappapis/timers: https://github.com/web-platform-tests/wpt/tree/5873f2d8f1/html/webappapis/timers

diff --git a/test/fixtures/wpt/hr-time/clamped-time-origin-isolated.https.html b/test/fixtures/wpt/hr-time/clamped-time-origin-isolated.https.html
@@ -0,0 +1,14 @@
+<!doctype html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/clamped-time-origin.js"></script>
+</head>
+<body>
+<script>
+// Isolated contexts should be clamped to 5 microseconds.
+run_test(/*isolated=*/true);
+</script>
+</body>
+</html>
diff --git a/test/fixtures/wpt/hr-time/clamped-time-origin-isolated.https.html.headers b/test/fixtures/wpt/hr-time/clamped-time-origin-isolated.https.html.headers
@@ -0,0 +1,2 @@
+Cross-Origin-Embedder-Policy: require-corp
+Cross-Origin-Opener-Policy: same-origin
diff --git a/test/fixtures/wpt/hr-time/clamped-time-origin.html b/test/fixtures/wpt/hr-time/clamped-time-origin.html
@@ -0,0 +1,14 @@
+<!doctype html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/clamped-time-origin.js"></script>
+</head>
+<body>
+<script>
+// Non-isolated contexts should be clamped to 100 microseconds.
+run_test(/*isolated=*/false);
+</script>
+</body>
+</html>
diff --git a/test/fixtures/wpt/hr-time/cross-origin-isolated-timing-attack.https.html b/test/fixtures/wpt/hr-time/cross-origin-isolated-timing-attack.https.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8" />
+<title>window.performance.now should not enable timing attacks</title>
+<link rel="author" title="W3C" href="http://www.w3.org/" />
+<link rel="help" href="http://w3c.github.io/hr-time/#privacy-security"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/timing-attack.js"></script>
+<script>
+run_test(/*isolated=*/true);
+</script>
+</head>
+<body>
+<h1>Description</h1>
+<p>The recommended minimum resolution of the Performance interface should be set to 5 microseconds.</p>
+
+<div id="log"></div>
+
+</body>
+</html>
diff --git a/test/fixtures/wpt/hr-time/cross-origin-isolated-timing-attack.https.html.headers b/test/fixtures/wpt/hr-time/cross-origin-isolated-timing-attack.https.html.headers
@@ -0,0 +1,2 @@
+Cross-Origin-Embedder-Policy: require-corp
+Cross-Origin-Opener-Policy: same-origin
diff --git a/test/fixtures/wpt/hr-time/idlharness-shadowrealm.window.js b/test/fixtures/wpt/hr-time/idlharness-shadowrealm.window.js
@@ -0,0 +1,2 @@
+// META: script=/resources/idlharness-shadowrealm.js
+idl_test_shadowrealm(["hr-time"], ["html", "dom"]);
diff --git a/test/fixtures/wpt/hr-time/navigation-start-post-before-unload.html b/test/fixtures/wpt/hr-time/navigation-start-post-before-unload.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<script>
+    function busyWait(millis) {
+        const start = performance.now();
+        while (performance.now() < start + millis) {}
+    }
+    promise_test(async t => {
+        const delay = 3000;
+        const iframe = document.createElement('iframe');
+        iframe.src = './resources/now_frame.html';
+        document.body.appendChild(iframe);
+        await new Promise(resolve => iframe.addEventListener('load', resolve));
+        iframe.contentWindow.addEventListener('beforeunload', () => {
+            busyWait(delay);
+        });
+        iframe.src = './resources/post.html';
+        await new Promise(resolve => this.addEventListener('message', ({data}) => {
+            if (data === 'done')
+                resolve();
+        }));
+
+        const entry = iframe.contentWindow.performance.getEntriesByType('navigation')[0];
+        assert_less_than(entry.fetchStart, delay);
+    }, 'timeOrigin should be set after beforeunload');
+</script>
+</body>
+</html>
diff --git a/test/fixtures/wpt/hr-time/resources/clamped-time-origin.js b/test/fixtures/wpt/hr-time/resources/clamped-time-origin.js
@@ -0,0 +1,30 @@
+const run_test = isolated => {
+  // Multiplier to convert the clamped timestamps to microseconds.
+  const multiplier = 1000;
+  const windowOrigin = performance.timeOrigin;
+  // Clamp to at least 5 microseconds in isolated contexts and at least 100 in
+  // non-isolated ones.
+  const resolution = isolated ? 5 : 100;
+
+  const create_worker = () => {
+    return new Promise(resolve => {
+      const workerScript = 'postMessage({timeOrigin: performance.timeOrigin})';
+      const blob = new Blob([workerScript]);
+      const worker = new Worker(URL.createObjectURL(blob));
+      worker.addEventListener('message', event => {
+        resolve(event.data.timeOrigin);
+      });
+    });
+  };
+  promise_test(async t => {
+    assert_equals(self.crossOriginIsolated, isolated,
+      "crossOriginIsolated is properly set");
+    let prev = windowOrigin;
+    let current;
+    for (let i = 1; i < 100; ++i) {
+      current = await create_worker();
+      assert_true(current === prev || current - prev > resolution / 1000);
+      prev = current;
+    }
+  }, 'timeOrigins are clamped.');
+};
diff --git a/test/fixtures/wpt/hr-time/resources/post.html b/test/fixtures/wpt/hr-time/resources/post.html
@@ -0,0 +1,4 @@
+<!DOCTYPE HTML>
+<script>
+    window.parent.postMessage('done');
+</script>
diff --git a/test/fixtures/wpt/hr-time/resources/timing-attack.js b/test/fixtures/wpt/hr-time/resources/timing-attack.js
@@ -0,0 +1,42 @@
+function run_test(isolated) {
+  let resolution = 100;
+  if (isolated) {
+    resolution = 5;
+  }
+  test(function() {
+    function check_resolutions(times, length) {
+      const end = length - 2;
+
+      // we compare each value with the following ones
+      for (let i = 0; i < end; i++) {
+        const h1 = times[i];
+        for (let j = i+1; j < end; j++) {
+          const h2 = times[j];
+          const diff = h2 - h1;
+          assert_true((diff === 0) || ((diff * 1000) >= resolution),
+            "Differences smaller than ' + resolution + ' microseconds: " + diff);
+        }
+      }
+      return true;
+    }
+
+    const times = new Array(10);
+    let index = 0;
+    let hrt1, hrt2, hrt;
+    assert_equals(self.crossOriginIsolated, isolated, "Document cross-origin isolated value matches");
+
+    // rapid firing of performance.now
+    hrt1 = performance.now();
+    hrt2 = performance.now();
+    times[index++] = hrt1;
+    times[index++] = hrt2;
+
+    // ensure that we get performance.now() to return a different value
+    do {
+      hrt = performance.now();
+      times[index++] = hrt;
+    } while ((hrt - hrt1) === 0);
+
+    assert_true(check_resolutions(times, index), 'Difference should be at least ' + resolution + ' microseconds.');
+  }, 'The recommended minimum resolution of the Performance interface has been set to ' + resolution + ' microseconds for cross-origin isolated contexts.');
+}
diff --git a/test/fixtures/wpt/hr-time/timing-attack.html b/test/fixtures/wpt/hr-time/timing-attack.html
@@ -7,47 +7,14 @@
 <link rel="help" href="http://w3c.github.io/hr-time/#privacy-security"/>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<script src="resources/timing-attack.js"></script>
 <script>
-test(function() {
-  function check_resolutions(times, length) {
-    var end = length - 2;
-
-    // we compare each value with the following ones
-    for (var i = 0; i < end; i++) {
-      var h1 = times[i];
-      for (var j = i+1; j < end; j++) {
-        var h2 = times[j];
-        var diff = h2 - h1;
-        assert_true((diff === 0) || ((diff * 1000) >= 5),
-          "Differences smaller than 5 microseconds: " + diff);
-      }
-    }
-    return true;
-  }
-
-  var times = new Array(10);
-  var index = 0;
-  var hrt1, hrt2, hrt;
-
-  // rapid firing of performance.now
-  hrt1 = performance.now();
-  hrt2 = performance.now();
-  times[index++] = hrt1;
-  times[index++] = hrt2;
-
-  // ensure that we get performance.now() to return a different value
-  do {
-    hrt = performance.now();
-    times[index++] = hrt;
-  } while ((hrt - hrt1) === 0);
-
-  assert_true(check_resolutions(times, index), 'Difference should be at least 5 microseconds.');
-}, 'The recommended minimum resolution of the Performance interface has been set to 5 microseconds');
+run_test(/*isolated=*/false);
 </script>
 </head>
 <body>
 <h1>Description</h1>
-<p>The recommended minimum resolution of the Performance interface should be set to 5 microseconds.</p>
+<p>The recommended minimum resolution of the Performance interface should be set to 100 microseconds for non-isolated contexts.</p>
 
 <div id="log"></div>
 

diff --git a/test/fixtures/wpt/versions.json b/test/fixtures/wpt/versions.json
@@ -24,7 +24,7 @@
     "path": "FileAPI"
   },
   "hr-time": {
-    "commit": "9910784394858a8e34d9eb4e5d00788765abf837",
+    "commit": "34cafd797e58dad280d20040eee012d49ccfa91f",
     "path": "hr-time"
   },
   "html/webappapis/atob": {