TypeScript/tests/baselines/reference/typeGuardsWithInstanceOfByConstructorSignature.errors.txt

220 lines
No EOL
6.6 KiB
Text

tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(12,10): error TS2339: Property 'bar' does not exist on type 'A'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(33,5): error TS2322: Type 'string' is not assignable to type 'number'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(34,10): error TS2339: Property 'bar' does not exist on type 'B<number>'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(63,10): error TS2339: Property 'bar2' does not exist on type 'C1'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(82,10): error TS2339: Property 'bar' does not exist on type 'D'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(109,10): error TS2339: Property 'bar2' does not exist on type 'E1'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(131,11): error TS2339: Property 'foo' does not exist on type 'string | F'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(132,11): error TS2339: Property 'bar' does not exist on type 'string | F'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(157,11): error TS2339: Property 'foo2' does not exist on type 'G1'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(179,11): error TS2339: Property 'bar' does not exist on type 'H'.
==== tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts (10 errors) ====
interface AConstructor {
new (): A;
}
interface A {
foo: string;
}
declare var A: AConstructor;
var obj1: A | string;
if (obj1 instanceof A) { // narrowed to A.
obj1.foo;
obj1.bar;
~~~
!!! error TS2339: Property 'bar' does not exist on type 'A'.
}
var obj2: any;
if (obj2 instanceof A) { // can't type narrowing from any.
obj2.foo;
obj2.bar;
}
// a construct signature with generics
interface BConstructor {
new <T>(): B<T>;
}
interface B<T> {
foo: T;
}
declare var B: BConstructor;
var obj3: B<number> | string;
if (obj3 instanceof B) { // narrowed to B<number>.
obj3.foo = 1;
obj3.foo = "str";
~~~~~~~~
!!! error TS2322: Type 'string' is not assignable to type 'number'.
obj3.bar = "str";
~~~
!!! error TS2339: Property 'bar' does not exist on type 'B<number>'.
}
var obj4: any;
if (obj4 instanceof B) { // can't type narrowing from any.
obj4.foo = "str";
obj4.foo = 1;
obj4.bar = "str";
}
// has multiple construct signature
interface CConstructor {
new (value: string): C1;
new (value: number): C2;
}
interface C1 {
foo: string;
bar1: number;
}
interface C2 {
foo: string;
bar2: number;
}
declare var C: CConstructor;
var obj5: C1 | A;
if (obj5 instanceof C) { // narrowed to C1.
obj5.foo;
obj5.bar1;
obj5.bar2;
~~~~
!!! error TS2339: Property 'bar2' does not exist on type 'C1'.
}
var obj6: any;
if (obj6 instanceof C) { // can't type narrowing from any.
obj6.foo;
obj6.bar1;
obj6.bar2;
}
// with object type literal
interface D {
foo: string;
}
declare var D: { new (): D; };
var obj7: D | string;
if (obj7 instanceof D) { // narrowed to D.
obj7.foo;
obj7.bar;
~~~
!!! error TS2339: Property 'bar' does not exist on type 'D'.
}
var obj8: any;
if (obj8 instanceof D) { // can't type narrowing from any.
obj8.foo;
obj8.bar;
}
// a construct signature that returns a union type
interface EConstructor {
new (): E1 | E2;
}
interface E1 {
foo: string;
bar1: number;
}
interface E2 {
foo: string;
bar2: number;
}
declare var E: EConstructor;
var obj9: E1 | A;
if (obj9 instanceof E) { // narrowed to E1.
obj9.foo;
obj9.bar1;
obj9.bar2;
~~~~
!!! error TS2339: Property 'bar2' does not exist on type 'E1'.
}
var obj10: any;
if (obj10 instanceof E) { // can't type narrowing from any.
obj10.foo;
obj10.bar1;
obj10.bar2;
}
// a construct signature that returns any
interface FConstructor {
new (): any;
}
interface F {
foo: string;
bar: number;
}
declare var F: FConstructor;
var obj11: F | string;
if (obj11 instanceof F) { // can't type narrowing, construct signiture returns any.
obj11.foo;
~~~
!!! error TS2339: Property 'foo' does not exist on type 'string | F'.
obj11.bar;
~~~
!!! error TS2339: Property 'bar' does not exist on type 'string | F'.
}
var obj12: any;
if (obj12 instanceof F) { // can't type narrowing from any.
obj12.foo;
obj12.bar;
}
// a type with a prototype, it overrides the construct signiture
interface GConstructor {
prototype: G1; // high priority
new (): G2; // low priority
}
interface G1 {
foo1: number;
}
interface G2 {
foo2: boolean;
}
declare var G: GConstructor;
var obj13: G1 | G2;
if (obj13 instanceof G) { // narrowed to G1. G1 is return type of prototype property.
obj13.foo1;
obj13.foo2;
~~~~
!!! error TS2339: Property 'foo2' does not exist on type 'G1'.
}
var obj14: any;
if (obj14 instanceof G) { // can't type narrowing from any.
obj14.foo1;
obj14.foo2;
}
// a type with a prototype that has any type
interface HConstructor {
prototype: any; // high priority, but any type is ignored. interface has implicit `prototype: any`.
new (): H; // low priority
}
interface H {
foo: number;
}
declare var H: HConstructor;
var obj15: H | string;
if (obj15 instanceof H) { // narrowed to H.
obj15.foo;
obj15.bar;
~~~
!!! error TS2339: Property 'bar' does not exist on type 'H'.
}
var obj16: any;
if (obj16 instanceof H) { // can't type narrowing from any.
obj16.foo1;
obj16.foo2;
}