'use strict';

const common = require('../../common');

const assert = require('assert');

// Addon is referenced through the eval expression in testFile

const addon = require(`./build/${common.buildType}/test_general`);

// We can only perform this test if we have a working Symbol.hasInstance

if (typeof Symbol !== 'undefined' && 'hasInstance' in Symbol &&

typeof Symbol.hasInstance === 'symbol') {

function compareToNative(theObject, theConstructor) {

assert.strictEqual(

addon.doInstanceOf(theObject, theConstructor),

(theObject instanceof theConstructor),

);

}

function MyClass() {}

Object.defineProperty(MyClass, Symbol.hasInstance, {

value: function(candidate) {

return 'mark' in candidate;

},

});

function MySubClass() {}

MySubClass.prototype = new MyClass();

let x = new MySubClass();

let y = new MySubClass();

x.mark = true;

compareToNative(x, MySubClass);

compareToNative(y, MySubClass);

compareToNative(x, MyClass);

compareToNative(y, MyClass);

x = new MyClass();

y = new MyClass();

x.mark = true;

compareToNative(x, MySubClass);

compareToNative(y, MySubClass);

compareToNative(x, MyClass);

compareToNative(y, MyClass);

}