Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 29 insertions, 0 deletions

diff --git a/js/src/tests/non262/Function/function-caller-restrictions.js b/js/src/tests/non262/Function/function-caller-restrictions.js
new file mode 100644
index 0000000000..36c31279ba
--- /dev/null
+++ b/js/src/tests/non262/Function/function-caller-restrictions.js
@@ -0,0 +1,29 @@
+// Function#caller restrictions as proposed by
+// https://github.com/claudepache/es-legacy-function-reflection/
+
+function caller() {
+    return caller.caller;
+}
+
+assertEq(caller(), null);
+assertEq(Reflect.apply(caller, undefined, []), null);
+
+assertEq([0].map(caller)[0], null);
+
+(function strict() {
+    "use strict";
+    assertEq(caller(), null);
+})();
+
+(async function() {
+    assertEq(caller(), null);
+})();
+
+assertEq(function*() {
+    yield caller();
+}().next().value, null);
+
+
+if (typeof reportCompare === "function") {
+    reportCompare(true, true);
+}