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load("test-common.js");
try {
assert(Reflect.get.length === 2);
[null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
assertThrowsError(() => {
Reflect.get(value);
}, {
error: TypeError,
message: "First argument of Reflect.get() must be an object"
});
});
assert(Reflect.get({}) === undefined);
assert(Reflect.get({ undefined: 1 }) === 1);
assert(Reflect.get({ foo: 1 }) === undefined);
assert(Reflect.get({ foo: 1 }, "foo") === 1);
assert(Reflect.get([]) === undefined);
assert(Reflect.get([1, 2, 3]) === undefined);
assert(Reflect.get([1, 2, 3], "0") === 1);
assert(Reflect.get([1, 2, 3], 0) === 1);
assert(Reflect.get([1, 2, 3], 1) === 2);
assert(Reflect.get([1, 2, 3], 2) === 3);
assert(Reflect.get([1, 2, 3], 4) === undefined);
assert(Reflect.get(new String()) === undefined);
assert(Reflect.get(new String(), 0) === undefined);
assert(Reflect.get(new String("foo"), "0") === "f");
assert(Reflect.get(new String("foo"), 0) === "f");
assert(Reflect.get(new String("foo"), 1) === "o");
assert(Reflect.get(new String("foo"), 2) === "o");
assert(Reflect.get(new String("foo"), 3) === undefined);
const foo = {
get prop() {
this.getPropCalled = true;
}
};
const bar = {};
Object.setPrototypeOf(bar, foo);
assert(foo.getPropCalled === undefined);
assert(bar.getPropCalled === undefined);
Reflect.get(bar, "prop");
assert(foo.getPropCalled === undefined);
assert(bar.getPropCalled === true);
Reflect.get(bar, "prop", foo);
assert(foo.getPropCalled === true);
assert(bar.getPropCalled === true);
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e);
}
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