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 --- .../tests/cacheir/object-is-prototype-of.js | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 js/src/jit-test/tests/cacheir/object-is-prototype-of.js (limited to 'js/src/jit-test/tests/cacheir/object-is-prototype-of.js') diff --git a/js/src/jit-test/tests/cacheir/object-is-prototype-of.js b/js/src/jit-test/tests/cacheir/object-is-prototype-of.js new file mode 100644 index 0000000000..1ecc441f47 --- /dev/null +++ b/js/src/jit-test/tests/cacheir/object-is-prototype-of.js @@ -0,0 +1,41 @@ +function testPrimitive() { + for (var i = 0; i < 100; ++i) { + // Null and undefined. + assertEq(Object.prototype.isPrototypeOf(null), false); + assertEq(Object.prototype.isPrototypeOf(void 0), false); + + // Primitive wrappers. + assertEq(String.prototype.isPrototypeOf(""), false); + assertEq(Number.prototype.isPrototypeOf(0), false); + assertEq(Boolean.prototype.isPrototypeOf(true), false); + assertEq(BigInt.prototype.isPrototypeOf(0n), false); + assertEq(Symbol.prototype.isPrototypeOf(Symbol.hasInstance), false); + } +} +testPrimitive(); + +function testObject() { + for (var i = 0; i < 100; ++i) { + assertEq(Object.prototype.isPrototypeOf({}), true); + assertEq(Object.prototype.isPrototypeOf([]), true); + + assertEq(Array.prototype.isPrototypeOf({}), false); + assertEq(Array.prototype.isPrototypeOf([]), true); + } +} +testObject(); + +function testProxy() { + var proxy = new Proxy({}, new Proxy({}, { + get(t, pk, r) { + assertEq(pk, "getPrototypeOf"); + return Reflect.get(t, pk, r); + } + })); + + for (var i = 0; i < 100; ++i) { + assertEq(Object.prototype.isPrototypeOf(proxy), true); + assertEq(Array.prototype.isPrototypeOf(proxy), false); + } +} +testProxy(); -- cgit v1.2.3