TypeScript/tests/baselines/reference/conditionalOperatorWithoutIdenticalBCT.js
2015-06-16 12:18:31 -07:00

69 lines
2.4 KiB
TypeScript

//// [conditionalOperatorWithoutIdenticalBCT.ts]
//Cond ? Expr1 : Expr2, Expr1 and Expr2 have no identical best common type
class X { propertyX: any; propertyX1: number; propertyX2: string };
class A extends X { propertyA: number };
class B extends X { propertyB: string };
var x: X;
var a: A;
var b: B;
// No errors anymore, uses union types
true ? a : b;
var result1 = true ? a : b;
//Be contextually typed and and bct is not identical, results in errors that union type is not assignable to target
var result2: A = true ? a : b;
var result3: B = true ? a : b;
var result31: A | B = true ? a : b;
var result4: (t: X) => number = true ? (m) => m.propertyX1 : (n) => n.propertyX2;
var result5: (t: X) => string = true ? (m) => m.propertyX1 : (n) => n.propertyX2;
var result6: (t: X) => boolean = true ? (m) => m.propertyX1 : (n) => n.propertyX2;
var result61: (t: X) => number| string = true ? (m) => m.propertyX1 : (n) => n.propertyX2;
//// [conditionalOperatorWithoutIdenticalBCT.js]
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
//Cond ? Expr1 : Expr2, Expr1 and Expr2 have no identical best common type
var X = (function () {
function X() {
}
return X;
})();
;
var A = (function (_super) {
__extends(A, _super);
function A() {
_super.apply(this, arguments);
}
return A;
})(X);
;
var B = (function (_super) {
__extends(B, _super);
function B() {
_super.apply(this, arguments);
}
return B;
})(X);
;
var x;
var a;
var b;
// No errors anymore, uses union types
true ? a : b;
var result1 = true ? a : b;
//Be contextually typed and and bct is not identical, results in errors that union type is not assignable to target
var result2 = true ? a : b;
var result3 = true ? a : b;
var result31 = true ? a : b;
var result4 = true ? function (m) { return m.propertyX1; } : function (n) { return n.propertyX2; };
var result5 = true ? function (m) { return m.propertyX1; } : function (n) { return n.propertyX2; };
var result6 = true ? function (m) { return m.propertyX1; } : function (n) { return n.propertyX2; };
var result61 = true ? function (m) { return m.propertyX1; } : function (n) { return n.propertyX2; };