66 lines
2.2 KiB
Plaintext
66 lines
2.2 KiB
Plaintext
==== tests/cases/compiler/typeMatch2.ts (6 errors) ====
|
|
function f1() {
|
|
var a = { x: 1, y: 2 };
|
|
a = {}; // error
|
|
~
|
|
!!! Type '{}' is not assignable to type '{ x: number; y: number; }':
|
|
!!! Property 'x' is missing in type '{}'.
|
|
a = { x: 1 }; // error
|
|
~
|
|
!!! Type '{ x: number; }' is not assignable to type '{ x: number; y: number; }':
|
|
!!! Property 'y' is missing in type '{ x: number; }'.
|
|
a = { x: 1, y: 2, z: 3 };
|
|
a = { x: 1, z: 3 }; // error
|
|
~
|
|
!!! Type '{ x: number; z: number; }' is not assignable to type '{ x: number; y: number; }':
|
|
!!! Property 'y' is missing in type '{ x: number; z: number; }'.
|
|
}
|
|
|
|
class Animal { private a; }
|
|
class Giraffe extends Animal { private g; }
|
|
|
|
function f2() {
|
|
var a = new Animal();
|
|
var g = new Giraffe();
|
|
var aa = [ a, a, a ];
|
|
var gg = [ g, g, g ];
|
|
aa = gg;
|
|
gg = aa; // error
|
|
~~
|
|
!!! Type 'Animal[]' is not assignable to type 'Giraffe[]':
|
|
!!! Type 'Animal' is not assignable to type 'Giraffe':
|
|
!!! Property 'g' is missing in type 'Animal'.
|
|
var xa = { f1: 5, f2: aa };
|
|
var xb = { f1: 5, f2: gg };
|
|
xa = xb; // Should be ok
|
|
xb = xa; // Not ok
|
|
~~
|
|
!!! Type '{ f1: number; f2: Animal[]; }' is not assignable to type '{ f1: number; f2: Giraffe[]; }':
|
|
!!! Types of property 'f2' are incompatible:
|
|
!!! Type 'Animal[]' is not assignable to type 'Giraffe[]':
|
|
!!! Type 'Animal' is not assignable to type 'Giraffe'.
|
|
}
|
|
|
|
function f4() {
|
|
var _any: any = 0;
|
|
var i = 5;
|
|
i = null;
|
|
i = undefined;
|
|
var a = { x: 1, y: 1 };
|
|
a = { x: 1, y: null };
|
|
a = { x: 1, y: undefined };
|
|
a = { x: 1, y: _any };
|
|
a = { x: 1, y: _any, z:1 };
|
|
a = { x: 1 }; // error
|
|
~
|
|
!!! Type '{ x: number; }' is not assignable to type '{ x: number; y: number; }':
|
|
!!! Property 'y' is missing in type '{ x: number; }'.
|
|
var mf = function m(n) { return false; };
|
|
var zf = function z(n: number) { return true; };
|
|
mf=zf;
|
|
mf(_any);
|
|
zf(_any);
|
|
}
|
|
|
|
|
|
|