=== tests/cases/conformance/expressions/unaryOperators/logicalNotOperator/logicalNotOperatorWithStringType.ts ===
// ! operator on string type
var STRING: string;
>STRING : string

var STRING1: string[] = ["", "abc"];
>STRING1 : string[]
>["", "abc"] : string[]

function foo(): string { return "abc"; }
>foo : () => string

class A {
>A : A

    public a: string;
>a : string

    static foo() { return ""; }
>foo : () => string
}
module M {
>M : typeof M

    export var n: string;
>n : string
}

var objA = new A();
>objA : A
>new A() : A
>A : typeof A

// string type var
var ResultIsBoolean1 = !STRING;
>ResultIsBoolean1 : boolean
>!STRING : boolean
>STRING : string

var ResultIsBoolean2 = !STRING1;
>ResultIsBoolean2 : boolean
>!STRING1 : boolean
>STRING1 : string[]

// string type literal
var ResultIsBoolean3 = !"";
>ResultIsBoolean3 : boolean
>!"" : boolean

var ResultIsBoolean4 = !{ x: "", y: "" };
>ResultIsBoolean4 : boolean
>!{ x: "", y: "" } : boolean
>{ x: "", y: "" } : { x: string; y: string; }
>x : string
>y : string

var ResultIsBoolean5 = !{ x: "", y: (s: string) => { return s; } };
>ResultIsBoolean5 : boolean
>!{ x: "", y: (s: string) => { return s; } } : boolean
>{ x: "", y: (s: string) => { return s; } } : { x: string; y: (s: string) => string; }
>x : string
>y : (s: string) => string
>(s: string) => { return s; } : (s: string) => string
>s : string
>s : string

// string type expressions
var ResultIsBoolean6 = !objA.a;
>ResultIsBoolean6 : boolean
>!objA.a : boolean
>objA.a : string
>objA : A
>a : string

var ResultIsBoolean7 = !M.n;
>ResultIsBoolean7 : boolean
>!M.n : boolean
>M.n : string
>M : typeof M
>n : string

var ResultIsBoolean8 = !STRING1[0];
>ResultIsBoolean8 : boolean
>!STRING1[0] : boolean
>STRING1[0] : string
>STRING1 : string[]

var ResultIsBoolean9 = !foo();
>ResultIsBoolean9 : boolean
>!foo() : boolean
>foo() : string
>foo : () => string

var ResultIsBoolean10 = !A.foo();
>ResultIsBoolean10 : boolean
>!A.foo() : boolean
>A.foo() : string
>A.foo : () => string
>A : typeof A
>foo : () => string

var ResultIsBoolean11 = !(STRING + STRING);
>ResultIsBoolean11 : boolean
>!(STRING + STRING) : boolean
>(STRING + STRING) : string
>STRING + STRING : string
>STRING : string
>STRING : string

var ResultIsBoolean12 = !STRING.charAt(0);
>ResultIsBoolean12 : boolean
>!STRING.charAt(0) : boolean
>STRING.charAt(0) : string
>STRING.charAt : (pos: number) => string
>STRING : string
>charAt : (pos: number) => string

// multiple ! operator
var ResultIsBoolean13 = !!STRING;
>ResultIsBoolean13 : boolean
>!!STRING : boolean
>!STRING : boolean
>STRING : string

var ResultIsBoolean14 = !!!(STRING + STRING);
>ResultIsBoolean14 : boolean
>!!!(STRING + STRING) : boolean
>!!(STRING + STRING) : boolean
>!(STRING + STRING) : boolean
>(STRING + STRING) : string
>STRING + STRING : string
>STRING : string
>STRING : string

// miss assignment operators
!"";
>!"" : boolean

!STRING;
>!STRING : boolean
>STRING : string

!STRING1;
>!STRING1 : boolean
>STRING1 : string[]

!foo();
>!foo() : boolean
>foo() : string
>foo : () => string

!objA.a,M.n;
>!objA.a,M.n : string
>!objA.a : boolean
>objA.a : string
>objA : A
>a : string
>M.n : string
>M : typeof M
>n : string