Bug 1603802 [wpt PR 20771] - Add/update tests for cross-realm Error s…

…erialization, a=testonly Automatic update from web-platform-tests Add/update tests for cross-realm Error serialization Follows whatwg/html#5150. -- wpt-commits: 9882946dd9fcf7251387c2bfc778331b7ae85846 wpt-pr: 20771
mozilla · Jan 9, 2020 · c972c20 · c972c20
1 parent 37adf8e
commit c972c20
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Showing 3 changed files with 62 additions and 7 deletions.
diff --git a/...html/infrastructure/safe-passing-of-structured-data/resources/post-parent-type-error.html b/...html/infrastructure/safe-passing-of-structured-data/resources/post-parent-type-error.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Helper that posts its parent a TypeError</title>
+
+<script>
+window.doIt = () => {
+  parent.postMessage(new TypeError("!!"), "*");
+};
+</script>
diff --git a/...s/html/infrastructure/safe-passing-of-structured-data/structured-cloning-error-extra.html b/...s/html/infrastructure/safe-passing-of-structured-data/structured-cloning-error-extra.html
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Structured cloning of Error objects: extra tests</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<!-- Most tests are in the general framework in structuredclone_0.html.
+     This contains specialty tests that don't fit into that framework. -->
+
+<body>
+
+<script>
+"use strict";
+test(t => {
+  const exceptionToThrow = new Error("throw me!");
+
+  const badError = new Error();
+  Object.defineProperty(badError, "name", { get() { throw exceptionToThrow; } });
+
+  const worker = new Worker("./resources/echo-worker.js");
+  t.add_cleanup(() => worker.terminate());
+
+  assert_throws_exactly(exceptionToThrow, () => {
+    worker.postMessage(badError);
+  });
+}, "Throwing name getter fails serialization");
+
+// https://bugs.chromium.org/p/chromium/issues/detail?id=1030086
+// https://github.com/whatwg/html/pull/5150
+async_test(t => {
+  window.onmessage = t.step_func_done(e => {
+    assert_equals(e.data.name, "TypeError");
+  });
+
+  const iframe = document.createElement("iframe");
+  iframe.onload = () => {
+    if (iframe.contentWindow.location === "about:blank") {
+      return;
+    }
+
+    iframe.contentWindow.doIt();
+  };
+  iframe.src = "resources/post-parent-type-error.html";
+  document.body.append(iframe);
+}, "Errors sent across realms should preserve their type");
+</script>
diff --git a/...platform/tests/html/infrastructure/safe-passing-of-structured-data/structuredclone_0.html b/...platform/tests/html/infrastructure/safe-passing-of-structured-data/structuredclone_0.html
@@ -498,12 +498,12 @@
                 });
             },
             function() {
-                var t = async_test("URIError objects from other realms are treated as Error");
+                var t = async_test("URIError objects from other realms are treated as URIError");
                 t.id = 35;
                 worker.onmessage = t.step_func_done(function(e) {
-                    assert_equals(Object.getPrototypeOf(e.data), Error.prototype, "Checking prototype");
-                    assert_equals(e.data.constructor, Error, "Checking constructor");
-                    assert_equals(e.data.name, "Error", "Checking name");
+                    assert_equals(Object.getPrototypeOf(e.data), URIError.prototype, "Checking prototype");
+                    assert_equals(e.data.constructor, URIError, "Checking constructor");
+                    assert_equals(e.data.name, "URIError", "Checking name");
                     assert_equals(e.data.message, "some message", "Checking message");
                     assert_equals(e.data.foo, undefined, "Checking custom property");
                 });
@@ -520,9 +520,9 @@
                 var t = async_test("Cloning a modified Error");
                 t.id = 36;
                 worker.onmessage = t.step_func_done(function(e) {
-                    assert_equals(Object.getPrototypeOf(e.data), SyntaxError.prototype, "Checking prototype");
-                    assert_equals(e.data.constructor, SyntaxError, "Checking constructor");
-                    assert_equals(e.data.name, "SyntaxError", "Checking name");
+                    assert_equals(Object.getPrototypeOf(e.data), TypeError.prototype, "Checking prototype");
+                    assert_equals(e.data.constructor, TypeError, "Checking constructor");
+                    assert_equals(e.data.name, "TypeError", "Checking name");
                     assert_equals(e.data.message, "another message", "Checking message");
                     assert_equals(e.data.foo, undefined, "Checking custom property");
                 });