primitive-this-getter.js

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let primitives = [

10,

    false,

    "test",

    Symbol()

let getter = "getter";

let getter2 = "getter2";

let key = "key";

for (let value of primitives) {

    let prototype = Object.getPrototypeOf(value);

    // Strict getters receive a primitive this value.

    Object.defineProperty(prototype, "getter", {get: function() {

        "use strict";

        assertEq(this, value);

        return "getter";

}})

    assertEq(value.getter, "getter");

    assertEq(value[getter], "getter");

    // The proxy's [[Get]] trap is also invoked with primitive receiver values.

    let proxy = new Proxy({}, {

        get(target, property, receiver) {

            assertEq(property, "key");

            assertEq(receiver, value);

            return "get";

});

    Object.setPrototypeOf(prototype, proxy);

    assertEq(value.key, "get");

    assertEq(value[key], "get");

    assertEq(value.getter, "getter");

    assertEq(value[getter], "getter");

    // A getter still gets a primitive this value even after going through a proxy.

    proxy = new Proxy({

        get getter2() {

            "use strict";

            assertEq(this, value);

            return "getter2";

    }, {});

    Object.setPrototypeOf(prototype, proxy);

    assertEq(value.getter2, "getter2");

    assertEq(value[getter2], "getter2");

    assertEq(value.getter, "getter");

    assertEq(value[getter], "getter");

reportCompare(true, true);