Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/ShadowRealm/prototype/evaluate/wrapped-function-from-return-values-share-no-identity.js b/js/src/tests/test262/built-ins/ShadowRealm/prototype/evaluate/wrapped-function-from-return-values-share-no-identity.js
new file mode 100644
index 0000000000..c5774de054
--- /dev/null
+++ b/js/src/tests/test262/built-ins/ShadowRealm/prototype/evaluate/wrapped-function-from-return-values-share-no-identity.js
@@ -0,0 +1,75 @@
+// |reftest| shell-option(--enable-shadow-realms) skip-if(!xulRuntime.shell) -- requires shell-options
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-shadowrealm.prototype.evaluate
+description: >
+  ShadowRealm.prototype.evaluate wrapped function from return values share no identity.
+features: [ShadowRealm]
+---*/
+
+assert.sameValue(
+  typeof ShadowRealm.prototype.evaluate,
+  'function',
+  'This test must fail if ShadowRealm.prototype.evaluate is not a function'
+);
+
+const r = new ShadowRealm();
+
+r.evaluate(`
+function fn() { return 42; }
+globalThis.arrow = x => x * 2;
+globalThis.pFn = new Proxy(fn, {
+    apply() {
+        pFn.used = 1;
+        return 39;
+    }
+});
+async function aFn() {
+    return 1;
+}
+
+function * genFn() {
+    return 1;
+}
+
+fn.x = 'secrets';
+arrow.x = 'secrets';
+pFn.x = 'secrets';
+aFn.x = 'secrets';
+genFn.x = 'secrets';
+`)
+
+const wrappedOrdinary = r.evaluate('() => fn')();
+assert.sameValue(typeof wrappedOrdinary, 'function', 'ordinary function wrapped');
+assert.sameValue(wrappedOrdinary(), 42, 'ordinary, return');
+assert.sameValue(wrappedOrdinary.x, undefined, 'ordinary, no property shared');
+assert.sameValue(Object.prototype.hasOwnProperty.call(wrappedOrdinary, 'x'), false, 'ordinary, no own property shared');
+
+const wrappedArrow = r.evaluate('() => arrow')();
+assert.sameValue(typeof wrappedArrow, 'function', 'arrow function wrapped');
+assert.sameValue(wrappedArrow(7), 14, 'arrow function, return');
+assert.sameValue(wrappedArrow.x, undefined, 'arrow function, no property');
+assert.sameValue(Object.prototype.hasOwnProperty.call(wrappedArrow, 'x'), false, 'arrow function, no own property shared');
+
+const wrappedProxied = r.evaluate('() => pFn')();
+assert.sameValue(typeof wrappedProxied, 'function', 'proxied ordinary function wrapped');
+assert.sameValue(r.evaluate('pFn.used'), undefined, 'pFn not called yet');
+assert.sameValue(wrappedProxied(), 39, 'return of the proxied callable');
+assert.sameValue(r.evaluate('pFn.used'), 1, 'pfn called');
+assert.sameValue(wrappedProxied.x, undefined, 'proxy callable, no property');
+assert.sameValue(Object.prototype.hasOwnProperty.call(wrappedProxied, 'x'), false, 'proxy callable, no own property shared');
+
+const wrappedAsync = r.evaluate('() => aFn')();
+assert.sameValue(typeof wrappedAsync, 'function', 'async function wrapped');
+assert.throws(TypeError, () => wrappedAsync(), 'wrapped function cannot return non callable object');
+assert.sameValue(wrappedAsync.x, undefined, 'async function, no property');
+assert.sameValue(Object.prototype.hasOwnProperty.call(wrappedAsync, 'x'), false, 'async function, no own property shared');
+
+const wrappedGenerator = r.evaluate('() => genFn')();
+assert.sameValue(typeof wrappedGenerator, 'function', 'gen function wrapped');
+assert.throws(TypeError, () => wrappedGenerator(), 'wrapped function cannot return non callable object');
+assert.sameValue(wrappedGenerator.x, undefined, 'generator, no property');
+assert.sameValue(Object.prototype.hasOwnProperty.call(wrappedGenerator, 'x'), false, 'generator, no own property shared');
+
+reportCompare(0, 0);