blob: 21b01fd012ba692107810f7c8ef956fca2feb62e [file] [log] [blame]
function shouldBe(actual, expected) {
if (actual !== expected)
throw new Error('bad value: ' + actual);
}
function shouldThrow(func, message) {
var error = null;
try {
func();
} catch (e) {
error = e;
}
if (!error)
throw new Error("not thrown.");
if (String(error) !== message)
throw new Error("bad error: " + String(error));
}
shouldBe(Reflect.has.length, 2);
shouldThrow(() => {
Reflect.has("hello", 42);
}, `TypeError: Reflect.has requires the first argument be an object`);
var object = { hello: 42 };
shouldBe(Reflect.has(object, 'hello'), true);
shouldBe(Reflect.has(object, 'world'), false);
shouldBe(Reflect.has(object, 'prototype'), false);
shouldBe(Reflect.has(object, '__proto__'), true);
shouldBe(Reflect.has(object, 'hasOwnProperty'), true);
shouldBe(Reflect.deleteProperty(object, 'hello'), true);
shouldBe(Reflect.has(object, 'hello'), false);
shouldBe(Reflect.has([], 'length'), true);
shouldBe(Reflect.has([0,1,2], 0), true);
shouldBe(Reflect.has([0,1,2], 200), false);
var object = {
[Symbol.iterator]: 42
};
shouldBe(Reflect.has(object, Symbol.iterator), true);
shouldBe(Reflect.has(object, Symbol.unscopables), false);
shouldBe(Reflect.deleteProperty(object, Symbol.iterator), true);
shouldBe(Reflect.has(object, Symbol.iterator), false);
var toPropertyKey = {
toString() {
throw new Error('toString called.');
}
};
shouldThrow(() => {
Reflect.has("hello", toPropertyKey);
}, `TypeError: Reflect.has requires the first argument be an object`);
shouldThrow(() => {
Reflect.has({}, toPropertyKey);
}, `Error: toString called.`);
var toPropertyKey = {
toString() {
return 'ok';
}
};
shouldBe(Reflect.has({ 'ok': 42 }, toPropertyKey), true);