From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- js/src/tests/non262/Reflect/has.js | 41 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 js/src/tests/non262/Reflect/has.js (limited to 'js/src/tests/non262/Reflect/has.js') diff --git a/js/src/tests/non262/Reflect/has.js b/js/src/tests/non262/Reflect/has.js new file mode 100644 index 0000000000..6019a61ed3 --- /dev/null +++ b/js/src/tests/non262/Reflect/has.js @@ -0,0 +1,41 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ */ + +// Reflect.has is identical to the `in` operator. +assertEq(Reflect.has({x: 0}, "x"), true); +assertEq(Reflect.has({x: 0}, "y"), false); +assertEq(Reflect.has({x: 0}, "toString"), true); + +// The target can be an array; Reflect.has works on array elements. +var arr = ["zero"]; +arr[10000] = 0; +assertEq(Reflect.has(arr, "10000"), true); +assertEq(Reflect.has(arr, 10000), true); +assertEq(Reflect.has(arr, "-0"), false); +assertEq(Reflect.has(arr, -0), true); + +// And string objects (though not string primitives; see target.js). +var str = new String("hello"); +assertEq(Reflect.has(str, "4"), true); +assertEq(Reflect.has(str, "-0"), false); +assertEq(Reflect.has(str, -0), true); + +// Proxy without .has() handler method +var obj = {get prop() {}}; +for (var i = 0; i < 2; i++) { + obj = new Proxy(obj, {}); + assertEq(Reflect.has(obj, "prop"), true); + assertEq(Reflect.has(obj, "nope"), false); +} + +// Proxy with .has() handler method +obj = new Proxy({}, { + has(t, k) { return k.startsWith("door"); } +}); +assertEq(Reflect.has(obj, "doorbell"), true); +assertEq(Reflect.has(obj, "dormitory"), false); + + +// For more Reflect.has tests, see target.js and propertyKeys.js. + +reportCompare(0, 0); -- cgit v1.2.3