WebKit export of https://bugs.webkit.org/show_bug.cgi?id=222739 (#28029)
* Test cross-origin function caching
* Test cross-origin function "length" value
* Test cross-origin function "name" value
diff --git a/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-caching.html b/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-caching.html
new file mode 100644
index 0000000..a8af18d
--- /dev/null
+++ b/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-caching.html
@@ -0,0 +1,49 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>Cross-origin methods and accessors are cached per Realm via[[CrossOriginPropertyDescriptorMap]]</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/browsers.html#crossorigingetownpropertyhelper-(-o,-p-)">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="cross-origin-objects-function-common.js"></script>
+<div id=log></div>
+<script>
+"use strict";
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ for (const {key} of crossOriginWindowMethods) {
+ assert_equals(w[key], w[key], `w.${key} via [[Get]]`);
+ const desc1 = Object.getOwnPropertyDescriptor(w, key);
+ const desc2 = Object.getOwnPropertyDescriptor(w, key);
+ assert_equals(desc1.value, desc2.value, `w.${key} via [[GetOwnProperty]]`);
+ }
+}, "Cross-origin Window methods are cached");
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ for (const {key} of crossOriginWindowAccessors) {
+ const desc1 = Object.getOwnPropertyDescriptor(w, key);
+ const desc2 = Object.getOwnPropertyDescriptor(w, key);
+ assert_equals(desc1.get, desc2.get, `w.${key} getter`);
+ if (key === "location") {
+ assert_equals(desc1.set, desc2.set, `w.${key} setter`);
+ }
+ }
+}, "Cross-origin Window accessors are cached");
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ assert_equals(w.location.replace, w.location.replace, "via [[Get]]");
+ const desc1 = Object.getOwnPropertyDescriptor(w.location, "replace");
+ const desc2 = Object.getOwnPropertyDescriptor(w.location, "replace");
+ assert_equals(desc1.value, desc2.value, "via [[GetOwnProperty]]");
+}, "Cross-origin Location `replace` method is cached");
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ const desc1 = Object.getOwnPropertyDescriptor(w.location, "href");
+ const desc2 = Object.getOwnPropertyDescriptor(w.location, "href");
+ assert_equals(desc1.set, desc2.set);
+}, "Cross-origin Location `href` setter is cached");
+</script>
diff --git a/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-common.js b/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-common.js
new file mode 100644
index 0000000..3b93b49
--- /dev/null
+++ b/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-common.js
@@ -0,0 +1,34 @@
+"use strict";
+
+const crossOriginWindowMethods = [
+ {key: "close", length: 0},
+ {key: "focus", length: 0},
+ {key: "blur", length: 0},
+ {key: "postMessage", length: 1},
+];
+
+const crossOriginWindowAccessors = [
+ "window",
+ "self",
+ "location",
+ "closed",
+ "frames",
+ "length",
+ "top",
+ "opener",
+ "parent",
+].map(key => ({key}));
+
+const makeCrossOriginWindow = t => {
+ const iframe = document.createElement("iframe");
+ const path = location.pathname.slice(0, location.pathname.lastIndexOf("/")) + "/frame.html";
+ iframe.src = get_host_info().HTTP_REMOTE_ORIGIN + path;
+
+ return new Promise((resolve, reject) => {
+ iframe.onload = () => { resolve(iframe.contentWindow); };
+ iframe.onerror = reject;
+
+ document.body.append(iframe);
+ t.add_cleanup(() => { iframe.remove(); });
+ });
+};
diff --git a/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-length.html b/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-length.html
new file mode 100644
index 0000000..466915a
--- /dev/null
+++ b/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-length.html
@@ -0,0 +1,45 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>Cross-origin methods and accessors are created with correct 'length' property</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/browsers.html#crossorigingetownpropertyhelper-(-o,-p-)">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="cross-origin-objects-function-common.js"></script>
+<div id=log></div>
+<script>
+"use strict";
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ for (const {key, length} of crossOriginWindowMethods) {
+ assert_equals(w[key].length, length, `w.${key} via [[Get]]`);
+ const desc = Object.getOwnPropertyDescriptor(w, key);
+ assert_equals(desc.value.length, length, `w.${key} via [[GetOwnProperty]]`);
+ }
+}, "Cross-origin Window methods have correct 'length'");
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ for (const {key} of crossOriginWindowAccessors) {
+ const desc = Object.getOwnPropertyDescriptor(w, key);
+ assert_equals(desc.get.length, 0, `w.${key}`);
+ if (key === "location") {
+ assert_equals(desc.set.length, 1, `w.${key}`);
+ }
+ }
+}, "Cross-origin Window accessors have correct 'length'");
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ assert_equals(w.location.replace.length, 1);
+ const desc = Object.getOwnPropertyDescriptor(w.location, "replace");
+ assert_equals(desc.value.length, 1);
+}, "Cross-origin Location `replace` method has correct 'length'");
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ const desc = Object.getOwnPropertyDescriptor(w.location, "href");
+ assert_equals(desc.set.length, 1);
+}, "Cross-origin Location `href` setter has correct 'length'");
+</script>
diff --git a/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-name.html b/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-name.html
new file mode 100644
index 0000000..167c30e
--- /dev/null
+++ b/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-name.html
@@ -0,0 +1,45 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>Cross-origin methods and accessors are created with correct 'name' property</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/browsers.html#crossorigingetownpropertyhelper-(-o,-p-)">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="cross-origin-objects-function-common.js"></script>
+<div id=log></div>
+<script>
+"use strict";
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ for (const {key} of crossOriginWindowMethods) {
+ assert_equals(w[key].name, key, `w.${key} via [[Get]]`);
+ const desc = Object.getOwnPropertyDescriptor(w, key);
+ assert_equals(desc.value.name, key, `w.${key} via [[GetOwnProperty]]`);
+ }
+}, "Cross-origin Window methods have correct 'name'");
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ for (const {key} of crossOriginWindowAccessors) {
+ const desc = Object.getOwnPropertyDescriptor(w, key);
+ assert_equals(desc.get.name, `get ${key}`);
+ if (key === "location") {
+ assert_equals(desc.set.name, `set ${key}`);
+ }
+ }
+}, "Cross-origin Window accessors have correct 'name'");
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ assert_equals(w.location.replace.name, "replace");
+ const desc = Object.getOwnPropertyDescriptor(w.location, "replace");
+ assert_equals(desc.value.name, "replace");
+}, "Cross-origin Location `replace` method has correct 'name'");
+
+promise_test(async t => {
+ const w = await makeCrossOriginWindow(t);
+ const desc = Object.getOwnPropertyDescriptor(w.location, "href");
+ assert_equals(desc.set.name, "set href");
+}, "Cross-origin Location `href` setter has correct 'name'");
+</script>
