TypeScript/tests/baselines/reference/arrayAssignmentTest1.js

//// [arrayAssignmentTest1.ts]
interface I1 {
	IM1():void[];
}

class C1 implements I1 { 
	IM1():void[] {return null;}
	C1M1():C1[] {return null;}
 }
class C2 extends C1 {
    C2M1():C2[] { return null;}
}

class C3 {
    CM3M1() { return 3;}
}


/*

This behaves unexpectedly with the following types:

Type 1 of any[]:

* Type 2 of the following throws an error but shouldn't: () => void[], SomeClass[], and {one: 1}[].

* Type 2 of the following doesn't throw an error but should: {one: 1}, new() => SomeClass, SomeClass.

*/
var a1 : any = null;
var c1 : C1 = new C1();
var i1 : I1 = c1;
var c2 : C2 = new C2();
var c3 : C3 = new C3();
var o1 = {one : 1};
var f1 = function () { return new C1();}

var arr_any: any[] = [];
var arr_i1: I1[] = [];
var arr_c1: C1[] = [];
var arr_c2: C2[] = [];
var arr_i1_2: I1[] = [];
var arr_c1_2: C1[] = [];
var arr_c2_2: C2[] = [];
var arr_c3: C3[] = [];

var i1_error: I1 = []; // should be an error - is
var c1_error: C1 = []; // should be an error - is
var c2_error: C2 = []; // should be an error - is
var c3_error: C3 = []; // should be an error - is


arr_any = arr_i1; // should be ok - is
arr_any = arr_c1; // should be ok - is
arr_any = arr_c2; // should be ok - is
arr_any = arr_c3; // should be ok - is

arr_i1 = arr_i1; // should be ok - subtype relationship - is
arr_i1 = arr_c1; // should be ok - subtype relationship - is
arr_i1 = arr_c2; // should be ok - subtype relationship - is
arr_i1 = arr_c3; // should be an error - is

arr_c1 = arr_c1; // should be ok - subtype relationship - is
arr_c1 = arr_c2; // should be ok - subtype relationship - is
arr_c1 = arr_i1; // should be an error - is
arr_c1 = arr_c3; // should be an error - is

arr_c2 = arr_c2; // should be ok - subtype relationship - is
arr_c2 = arr_c1; // should be an error - subtype relationship - is
arr_c2 = arr_i1; // should be an error - subtype relationship - is
arr_c2 = arr_c3; // should be an error - is

// "clean up bug" occurs at this point
// if you move these three expressions to another file, they raise an error
// something to do with state from the above propagating forward?
arr_c3 = arr_c2_2; // should be an error - is
arr_c3 = arr_c1_2; // should be an error - is
arr_c3 = arr_i1_2; // should be an error - is

arr_any = f1; // should be an error - is
arr_any = o1; // should be an error - is
arr_any = a1; // should be ok - is
arr_any = c1; // should be an error - is
arr_any = c2; // should be an error - is
arr_any = c3; // should be an error - is
arr_any = i1; // should be an error - is

//// [arrayAssignmentTest1.js]
var __extends = this.__extends || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    __.prototype = b.prototype;
    d.prototype = new __();
};
var C1 = (function () {
    function C1() {
    }
    C1.prototype.IM1 = function () {
        return null;
    };
    C1.prototype.C1M1 = function () {
        return null;
    };
    return C1;
})();
var C2 = (function (_super) {
    __extends(C2, _super);
    function C2() {
        _super.apply(this, arguments);
    }
    C2.prototype.C2M1 = function () {
        return null;
    };
    return C2;
})(C1);
var C3 = (function () {
    function C3() {
    }
    C3.prototype.CM3M1 = function () {
        return 3;
    };
    return C3;
})();
/*

This behaves unexpectedly with the following types:

Type 1 of any[]:

* Type 2 of the following throws an error but shouldn't: () => void[], SomeClass[], and {one: 1}[].

* Type 2 of the following doesn't throw an error but should: {one: 1}, new() => SomeClass, SomeClass.

*/
var a1 = null;
var c1 = new C1();
var i1 = c1;
var c2 = new C2();
var c3 = new C3();
var o1 = { one: 1 };
var f1 = function () {
    return new C1();
};
var arr_any = [];
var arr_i1 = [];
var arr_c1 = [];
var arr_c2 = [];
var arr_i1_2 = [];
var arr_c1_2 = [];
var arr_c2_2 = [];
var arr_c3 = [];
var i1_error = []; // should be an error - is
var c1_error = []; // should be an error - is
var c2_error = []; // should be an error - is
var c3_error = []; // should be an error - is
arr_any = arr_i1;
arr_any = arr_c1;
arr_any = arr_c2;
arr_any = arr_c3;
arr_i1 = arr_i1;
arr_i1 = arr_c1;
arr_i1 = arr_c2;
arr_i1 = arr_c3;
arr_c1 = arr_c1;
arr_c1 = arr_c2;
arr_c1 = arr_i1;
arr_c1 = arr_c3;
arr_c2 = arr_c2;
arr_c2 = arr_c1;
arr_c2 = arr_i1;
arr_c2 = arr_c3;
arr_c3 = arr_c2_2;
arr_c3 = arr_c1_2;
arr_c3 = arr_i1_2;
arr_any = f1;
arr_any = o1;
arr_any = a1;
arr_any = c1;
arr_any = c2;
arr_any = c3;
arr_any = i1;