web-platform-tests · annevk · Apr 28, 2017 · Feb 23, 2017 · Feb 23, 2017 · Feb 23, 2017
diff --git a/...passing-of-structured-data/shared-array-buffers/broadcastchannel-success-and-failure.html b/...passing-of-structured-data/shared-array-buffers/broadcastchannel-success-and-failure.html
@@ -0,0 +1,35 @@
+<!doctype html>
+<title>SharedArrayBuffer cannot cross agent clusters, BroadcastChannel edition</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script>
+async_test(t => {
+  const channel = new BroadcastChannel("anne was here"),
+        dw = new Worker("resources/broadcastchannel-worker.js"),
+        sw = new SharedWorker("resources/broadcastchannel-sharedworker.js");
+  let startCounter = 0,
+      dwStatus = "unknown",
+      swStatus = "unknown";
+
+  channel.onmessage = t.step_func(({ data }) => {
+    if(data === "hi") {
+      startCounter++;
+      if(startCounter === 2) {
+        const sab = new SharedArrayBuffer();
+        channel.postMessage(sab);
+      } else if(startCounter > 2) {
+        assert_unreached();
+      }
+    } else if(data === "dw-success") {
+      dwStatus = "success";
+    } else if(data === "sw-success") {
+      swStatus = "success";
+    } else {
+      assert_unreached();
+    }
+    if(dwStatus === "success" && swStatus === "success") {
+      t.done();
+    }
+  });
+});
+</script>
diff --git a/...ucture/safe-passing-of-structured-data/shared-array-buffers/broadcastchannel-success.html b/...ucture/safe-passing-of-structured-data/shared-array-buffers/broadcastchannel-success.html
@@ -0,0 +1,58 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Structured cloning of SharedArrayBuffers: BroadcastChannel within the same agent cluster</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#structuredserialize">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#broadcasting-to-other-browsing-contexts">
+<link rel="author" title="Domenic Denicola" href="mailto:[email protected]">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<div id="log"></div>
+
+<script>
+"use strict";
+
+promise_test(t => {
+  return Promise.all([
+    createIFrame("resources/broadcastchannel-iframe.html"),
+    createIFrame("resources/broadcastchannel-iframe.html"),
+    createIFrame("resources/broadcastchannel-iframe.html")
+  ]).then(() => {
+    const sab = new SharedArrayBuffer(3);
+    const view = new Uint8Array(sab);
+    const channel = new BroadcastChannel("channel name");
+
+    return new Promise(resolve => {
+      let soFar = 0;
+      channel.onmessage = t.step_func(({ data: { sab: broadcastSAB, i } }) => {
+        if (broadcastSAB) {
+          // We only care about "broadcasts" from the workers.
+          return;
+        }
+
+        assert_true(i === 0 || i === 1 || i === 2, `Any message events must come from expected sources; got ${i}`);
+        ++soFar;
+
+        if (soFar === 3) {
+          assert_equals(view[0], 1, "The first iframe must have set view[0] to 1");
+          assert_equals(view[1], 2, "The second iframe must have set view[1] to 2");
+          assert_equals(view[2], 3, "The third iframe must have set view[2] to 3");
+          resolve();
+        }
+      });
+
+      channel.postMessage({ sab });
+    });
+  });
+});
+
+function createIFrame(src) {
+  return new Promise((resolve, reject) => {
+    const iframe = document.createElement("iframe");
+    iframe.src = src;
+    iframe.onload = () => resolve(iframe);
+    iframe.onerror = () => reject(`iframe with URL ${src} failed to load`);
+    document.body.appendChild(iframe);
+  });
+}
+</script>
diff --git a/...tructure/safe-passing-of-structured-data/shared-array-buffers/identity-not-preserved.html b/...tructure/safe-passing-of-structured-data/shared-array-buffers/identity-not-preserved.html
@@ -0,0 +1,64 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>SharedArrayBuffers, when cloned, do not give back the same object</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#structuredserialize">
+<link rel="author" title="Domenic Denicola" href="mailto:[email protected]">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/test-sab.js"></script>
+
+<div id="log"></div>
+
+<script>
+"use strict";
+
+async_test(t => {
+  const sab = new SharedArrayBuffer(1);
+  window.addEventListener("message", t.step_func(({ data }) => {
+    if (data.testId !== 1) {
+      return;
+    }
+
+    assertSABsHaveSameBackingBlock(sab, data.sab);
+
+    t.done();
+  }));
+
+  window.postMessage({ sab, testId: 1 }, "*");
+}, "postMessaging to this window does not give back the same SharedArrayBuffer (but does use the same backing block)");
+
+async_test(t => {
+  const sab = new SharedArrayBuffer();
+  const worker = new Worker("resources/echo-worker.js");
+
+  worker.addEventListener("message", t.step_func(({ data }) => {
+    if (data.testId !== 2) {
+      return;
+    }
+
+    assert_not_equals(data.sab, sab);
+    t.done();
+  }));
+
+  worker.postMessage({ testId: 2, sab });
+}, "postMessaging to a worker and back does not give back the same SharedArrayBuffer");
+
+async_test(t => {
+  const sab = new SharedArrayBuffer();
+  window.addEventListener("message", t.step_func(({ data }) => {
+    if (data.testId !== 3) {
+      return;
+    }
+
+    assert_not_equals(data.sab, sab);
+    t.done();
+  }));
+
+  const iframe = document.createElement("iframe");
+  iframe.onload = t.step_func(() => {
+    iframe.contentWindow.postMessage({ testId: 3, sab }, "*");
+  });
+  iframe.src = "resources/echo-iframe.html";
+  document.body.appendChild(iframe);
+}, "postMessaging to an iframe and back does not give back the same SharedArrayBuffer");
+</script>
diff --git a/...assing-of-structured-data/shared-array-buffers/nested-worker-success-dedicatedworker.html b/...assing-of-structured-data/shared-array-buffers/nested-worker-success-dedicatedworker.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Structured cloning of SharedArrayBuffers into a dedicated worker nested inside a dedicated worker</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#structuredserialize">
+<link rel="author" title="Domenic Denicola" href="mailto:[email protected]">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<div id="log"></div>
+
+<script>
+"use strict";
+fetch_tests_from_worker(new Worker("nested-worker-success.js"));
+</script>
diff --git a/...e-passing-of-structured-data/shared-array-buffers/nested-worker-success-sharedworker.html b/...e-passing-of-structured-data/shared-array-buffers/nested-worker-success-sharedworker.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Structured cloning of SharedArrayBuffers into a dedicated worker nested inside a shared worker</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#structuredserialize">
+<link rel="author" title="Domenic Denicola" href="mailto:[email protected]">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<div id="log"></div>
+
+<script>
+"use strict";
+fetch_tests_from_worker(new SharedWorker("nested-worker-success.js"));
+</script>
diff --git a/...rastructure/safe-passing-of-structured-data/shared-array-buffers/nested-worker-success.js b/...rastructure/safe-passing-of-structured-data/shared-array-buffers/nested-worker-success.js
@@ -0,0 +1,11 @@
+"use strict";
+importScripts("/resources/testharness.js");
+importScripts("resources/test-incrementer.js");
+
+promise_test(t => {
+  const worker = new Worker("resources/incrementer-worker.js");
+
+  return testSharingViaIncrementerScript(t, worker, "parent worker", worker, "sub-worker");
+}, "postMessaging to a dedicated sub-worker allows them to see each others' modifications");
+
+done();
diff --git a/.../infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-transferring.html b/.../infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-transferring.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>SharedArrayBuffers cannot be transferred</title>
+<link rel="help" href="https://html.spec.whatwg.org/#structuredclone">
+<link rel="author" title="Domenic Denicola" href="mailto:[email protected]">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<script>
+"use strict";
+
+test(() => {
+  const sab = new SharedArrayBuffer();
+  assert_throws("DataCloneError", () => window.postMessage(sab, "*", [sab]));
+  assert_throws("DataCloneError", () => window.postMessage("test", "*", [sab]));
+}, "Trying to transfer a SharedArrayBuffer to this window throws");
+
+test(() => {
+  const sab = new SharedArrayBuffer();
+  const worker = new Worker("resources/incrementer.js");
+  assert_throws("DataCloneError", () => worker.postMessage(sab, [sab]));
+  assert_throws("DataCloneError", () => worker.postMessage("test", [sab]));
+}, "Trying to transfer a SharedArrayBuffer to a worker throws");
+
+test(() => {
+  const sab = new SharedArrayBuffer();
+  const channel = new MessageChannel();
+  assert_throws("DataCloneError", () => channel.port1.postMessage(sab, [sab]));
+  assert_throws("DataCloneError", () => channel.port1.postMessage("test", [sab]));
+}, "Trying to transfer a SharedArrayBuffer through a MessagePort throws");
+</script>
diff --git a/.../infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/blank.html b/.../infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/blank.html
@@ -0,0 +1,2 @@
+<!DOCTYPE html>
+<title>Used as a service worker-controlled iframe</title>
diff --git a/...fe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-iframe.html b/...fe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-iframe.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>A test page that messes with a given SharedArrayBuffer sent from a BroadcastChannel</title>
+
+<script>
+"use strict";
+const channel = new BroadcastChannel("channel name");
+
+channel.onmessage = ({ data: { sab, i }, source }) => {
+  if (!sab) {
+    // We only care about "broadcasts" from the window
+    return;
+  }
+
+  const view = new Uint8Array(sab);
+  view[i] = i + 1;
+  channel.postMessage({ i });
+};
+</script>
diff --git a/...assing-of-structured-data/shared-array-buffers/resources/broadcastchannel-sharedworker.js b/...assing-of-structured-data/shared-array-buffers/resources/broadcastchannel-sharedworker.js
@@ -0,0 +1,7 @@
+const channel = new BroadcastChannel("anne was here");
+channel.onmessageerror = ({ data }) => {
+  if(data === null) {
+    channel.postMessage("sw-success");
+  }
+}
+channel.postMessage("hi");
diff --git a/...safe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-worker.js b/...safe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-worker.js
@@ -0,0 +1,9 @@
+const channel = new BroadcastChannel("anne was here");
+channel.onmessage = ({ data }) => {
+  if(data === "hi" || data === "sw-success") {
+    return;
+  } else if(data instanceof SharedArrayBuffer) {
+    channel.postMessage("dw-success");
+  }
+}
+channel.postMessage("hi");
diff --git a/...structure/safe-passing-of-structured-data/shared-array-buffers/resources/echo-iframe.html b/...structure/safe-passing-of-structured-data/shared-array-buffers/resources/echo-iframe.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>A test page that echos back anything postMessaged to it to its parent</title>
+
+<script>
+"use strict";
+
+window.onmessage = ({ data }) => {
+  parent.postMessage(data, "*");
+};
+</script>
diff --git a/...rastructure/safe-passing-of-structured-data/shared-array-buffers/resources/echo-worker.js b/...rastructure/safe-passing-of-structured-data/shared-array-buffers/resources/echo-worker.js
@@ -0,0 +1,5 @@
+"use strict";
+
+self.onmessage = ({ data }) => {
+  self.postMessage(data);
+};
diff --git a/...sing-of-structured-data/shared-array-buffers/resources/incrementer-iframe-domain.sub.html b/...sing-of-structured-data/shared-array-buffers/resources/incrementer-iframe-domain.sub.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>A test page that messes with a given SharedArrayBuffer and also sets document.domain</title>
+<script src="test-incrementer.js"></script>
+
+<script>
+"use strict";
+
+document.domain = "{{host}}";
+setupDestinationIncrementer(self, parent, "*");
+</script>
diff --git a/...re/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe.html b/...re/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-iframe.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>A test page that messes with a given SharedArrayBuffer</title>
+<script src="test-incrementer.js"></script>
+
+<script>
+"use strict";
+
+setupDestinationIncrementer(self, parent, "*");
+</script>
diff --git a/...ure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-popup.html b/...ure/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-popup.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>A test page that messes with a given SharedArrayBuffer</title>
+<script src="test-incrementer.js"></script>
+
+<script>
+"use strict";
+
+setupDestinationIncrementer(self, opener, "*");
+</script>
diff --git a/...sing-of-structured-data/shared-array-buffers/resources/incrementer-worker-with-channel.js b/...sing-of-structured-data/shared-array-buffers/resources/incrementer-worker-with-channel.js
@@ -0,0 +1,7 @@
+"use strict";
+importScripts("./test-incrementer.js");
+
+self.onmessage = ({ data }) => {
+  // data will be a MessagePort
+  setupDestinationIncrementer(data, data);
+};
diff --git a/...ture/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-worker.js b/...ture/safe-passing-of-structured-data/shared-array-buffers/resources/incrementer-worker.js
@@ -0,0 +1,4 @@
+"use strict";
+importScripts("./test-incrementer.js");
+
+setupDestinationIncrementer(self, self);
diff --git a/...cture/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-1.html b/...cture/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-1.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Nesting level 1</title>
+
+<iframe src="nested-iframe-2.html"></iframe>
diff --git a/...cture/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-2.html b/...cture/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-2.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Nesting level 2</title>
+
+<iframe src="nested-iframe-3.html"></iframe>
diff --git a/...cture/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-3.html b/...cture/safe-passing-of-structured-data/shared-array-buffers/resources/nested-iframe-3.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Nesting level 3</title>
+
+<iframe src="nested-iframe-4-incrementer.html"></iframe>
diff --git a/...assing-of-structured-data/shared-array-buffers/resources/nested-iframe-4-incrementer.html b/...assing-of-structured-data/shared-array-buffers/resources/nested-iframe-4-incrementer.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>A test page that messes with a given SharedArrayBuffer, nested 4 levels deep in iframes</title>
+<script src="test-incrementer.js"></script>
+
+<script>
+"use strict";
+
+setupDestinationIncrementer(self, parent.parent.parent.parent.parent, "*");
+</script>
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		<!DOCTYPE html>
		<title>Used as a service worker-controlled iframe</title>