From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- js/src/jit-test/tests/proxy/testSetImmutablePrototype.js | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 js/src/jit-test/tests/proxy/testSetImmutablePrototype.js (limited to 'js/src/jit-test/tests/proxy/testSetImmutablePrototype.js') diff --git a/js/src/jit-test/tests/proxy/testSetImmutablePrototype.js b/js/src/jit-test/tests/proxy/testSetImmutablePrototype.js new file mode 100644 index 0000000000..bc61dbbfcf --- /dev/null +++ b/js/src/jit-test/tests/proxy/testSetImmutablePrototype.js @@ -0,0 +1,11 @@ +load(libdir + "asserts.js"); + +let p = {}; +let x = new Proxy({__proto__: p}, {}); +assertEq(Reflect.getPrototypeOf(x), p); +setImmutablePrototype(x); +assertEq(Reflect.getPrototypeOf(x), p); +assertEq(Reflect.setPrototypeOf(x, Date.prototype), false); +assertEq(Reflect.setPrototypeOf(x, p), true); +assertThrowsInstanceOf(() => Object.setPrototypeOf(x, Date.prototype), TypeError); +assertEq(Reflect.getPrototypeOf(x), p); -- cgit v1.2.3