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(65,10): error TS2339: Property 'bar1' does not exist on type 'C1 | C2'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(66,10): error TS2339: Property 'bar2' does not exist on type 'C1 | C2'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(85,10): error TS2339: Property 'bar' does not exist on type 'D'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(111,10): error TS2339: Property 'bar1' does not exist on type 'E1 | E2'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(112,10): error TS2339: Property 'bar2' does not exist on type 'E1 | E2'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(134,11): error TS2339: Property 'foo' does not exist on type 'string | F'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(135,11): error TS2339: Property 'bar' does not exist on type 'string | F'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(160,11): error TS2339: Property 'foo2' does not exist on type 'G1'.
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(182,11): error TS2339: Property 'bar' does not exist on type 'H'.


==== tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts (12 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 narrow type 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 narrow type 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;
        c: string;
        bar1: number;
    }
    interface C2 {
        foo: string;
        c: string;
        bar2: number;
    }
    declare var C: CConstructor;
    
    var obj5: C1 | A;
    if (obj5 instanceof C) { // narrowed to C1|C2.
        obj5.foo;
        obj5.c;
        obj5.bar1;
             ~~~~
!!! error TS2339: Property 'bar1' does not exist on type 'C1 | C2'.
        obj5.bar2;
             ~~~~
!!! error TS2339: Property 'bar2' does not exist on type 'C1 | C2'.
    }
    
    var obj6: any;
    if (obj6 instanceof C) { // can't narrow type 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 narrow type 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 | E2
        obj9.foo;
        obj9.bar1;
             ~~~~
!!! error TS2339: Property 'bar1' does not exist on type 'E1 | E2'.
        obj9.bar2;
             ~~~~
!!! error TS2339: Property 'bar2' does not exist on type 'E1 | E2'.
    }
    
    var obj10: any;
    if (obj10 instanceof E) { // can't narrow type 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 signature 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 narrow type from 'any'
        obj12.foo;
        obj12.bar;
    }
    
    // a type with a prototype, it overrides the construct signature
    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 narrow type 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 narrow type from 'any'
        obj16.foo1;
        obj16.foo2;
    }