=== tests/cases/conformance/expressions/unaryOperators/logicalNotOperator/logicalNotOperatorWithStringType.ts ===
// ! operator on string type
var STRING: string;
>STRING : Symbol(STRING, Decl(logicalNotOperatorWithStringType.ts, 1, 3))

var STRING1: string[] = ["", "abc"];
>STRING1 : Symbol(STRING1, Decl(logicalNotOperatorWithStringType.ts, 2, 3))

function foo(): string { return "abc"; }
>foo : Symbol(foo, Decl(logicalNotOperatorWithStringType.ts, 2, 36))

class A {
>A : Symbol(A, Decl(logicalNotOperatorWithStringType.ts, 4, 40))

    public a: string;
>a : Symbol(a, Decl(logicalNotOperatorWithStringType.ts, 6, 9))

    static foo() { return ""; }
>foo : Symbol(A.foo, Decl(logicalNotOperatorWithStringType.ts, 7, 21))
}
module M {
>M : Symbol(M, Decl(logicalNotOperatorWithStringType.ts, 9, 1))

    export var n: string;
>n : Symbol(n, Decl(logicalNotOperatorWithStringType.ts, 11, 14))
}

var objA = new A();
>objA : Symbol(objA, Decl(logicalNotOperatorWithStringType.ts, 14, 3))
>A : Symbol(A, Decl(logicalNotOperatorWithStringType.ts, 4, 40))

// string type var
var ResultIsBoolean1 = !STRING;
>ResultIsBoolean1 : Symbol(ResultIsBoolean1, Decl(logicalNotOperatorWithStringType.ts, 17, 3))
>STRING : Symbol(STRING, Decl(logicalNotOperatorWithStringType.ts, 1, 3))

var ResultIsBoolean2 = !STRING1;
>ResultIsBoolean2 : Symbol(ResultIsBoolean2, Decl(logicalNotOperatorWithStringType.ts, 18, 3))
>STRING1 : Symbol(STRING1, Decl(logicalNotOperatorWithStringType.ts, 2, 3))

// string type literal
var ResultIsBoolean3 = !"";
>ResultIsBoolean3 : Symbol(ResultIsBoolean3, Decl(logicalNotOperatorWithStringType.ts, 21, 3))

var ResultIsBoolean4 = !{ x: "", y: "" };
>ResultIsBoolean4 : Symbol(ResultIsBoolean4, Decl(logicalNotOperatorWithStringType.ts, 22, 3))
>x : Symbol(x, Decl(logicalNotOperatorWithStringType.ts, 22, 25))
>y : Symbol(y, Decl(logicalNotOperatorWithStringType.ts, 22, 32))

var ResultIsBoolean5 = !{ x: "", y: (s: string) => { return s; } };
>ResultIsBoolean5 : Symbol(ResultIsBoolean5, Decl(logicalNotOperatorWithStringType.ts, 23, 3))
>x : Symbol(x, Decl(logicalNotOperatorWithStringType.ts, 23, 25))
>y : Symbol(y, Decl(logicalNotOperatorWithStringType.ts, 23, 32))
>s : Symbol(s, Decl(logicalNotOperatorWithStringType.ts, 23, 37))
>s : Symbol(s, Decl(logicalNotOperatorWithStringType.ts, 23, 37))

// string type expressions
var ResultIsBoolean6 = !objA.a;
>ResultIsBoolean6 : Symbol(ResultIsBoolean6, Decl(logicalNotOperatorWithStringType.ts, 26, 3))
>objA.a : Symbol(A.a, Decl(logicalNotOperatorWithStringType.ts, 6, 9))
>objA : Symbol(objA, Decl(logicalNotOperatorWithStringType.ts, 14, 3))
>a : Symbol(A.a, Decl(logicalNotOperatorWithStringType.ts, 6, 9))

var ResultIsBoolean7 = !M.n;
>ResultIsBoolean7 : Symbol(ResultIsBoolean7, Decl(logicalNotOperatorWithStringType.ts, 27, 3))
>M.n : Symbol(M.n, Decl(logicalNotOperatorWithStringType.ts, 11, 14))
>M : Symbol(M, Decl(logicalNotOperatorWithStringType.ts, 9, 1))
>n : Symbol(M.n, Decl(logicalNotOperatorWithStringType.ts, 11, 14))

var ResultIsBoolean8 = !STRING1[0];
>ResultIsBoolean8 : Symbol(ResultIsBoolean8, Decl(logicalNotOperatorWithStringType.ts, 28, 3))
>STRING1 : Symbol(STRING1, Decl(logicalNotOperatorWithStringType.ts, 2, 3))

var ResultIsBoolean9 = !foo();
>ResultIsBoolean9 : Symbol(ResultIsBoolean9, Decl(logicalNotOperatorWithStringType.ts, 29, 3))
>foo : Symbol(foo, Decl(logicalNotOperatorWithStringType.ts, 2, 36))

var ResultIsBoolean10 = !A.foo();
>ResultIsBoolean10 : Symbol(ResultIsBoolean10, Decl(logicalNotOperatorWithStringType.ts, 30, 3))
>A.foo : Symbol(A.foo, Decl(logicalNotOperatorWithStringType.ts, 7, 21))
>A : Symbol(A, Decl(logicalNotOperatorWithStringType.ts, 4, 40))
>foo : Symbol(A.foo, Decl(logicalNotOperatorWithStringType.ts, 7, 21))

var ResultIsBoolean11 = !(STRING + STRING);
>ResultIsBoolean11 : Symbol(ResultIsBoolean11, Decl(logicalNotOperatorWithStringType.ts, 31, 3))
>STRING : Symbol(STRING, Decl(logicalNotOperatorWithStringType.ts, 1, 3))
>STRING : Symbol(STRING, Decl(logicalNotOperatorWithStringType.ts, 1, 3))

var ResultIsBoolean12 = !STRING.charAt(0);
>ResultIsBoolean12 : Symbol(ResultIsBoolean12, Decl(logicalNotOperatorWithStringType.ts, 32, 3))
>STRING.charAt : Symbol(String.charAt, Decl(lib.d.ts, 279, 23))
>STRING : Symbol(STRING, Decl(logicalNotOperatorWithStringType.ts, 1, 3))
>charAt : Symbol(String.charAt, Decl(lib.d.ts, 279, 23))

// multiple ! operator
var ResultIsBoolean13 = !!STRING;
>ResultIsBoolean13 : Symbol(ResultIsBoolean13, Decl(logicalNotOperatorWithStringType.ts, 35, 3))
>STRING : Symbol(STRING, Decl(logicalNotOperatorWithStringType.ts, 1, 3))

var ResultIsBoolean14 = !!!(STRING + STRING);
>ResultIsBoolean14 : Symbol(ResultIsBoolean14, Decl(logicalNotOperatorWithStringType.ts, 36, 3))
>STRING : Symbol(STRING, Decl(logicalNotOperatorWithStringType.ts, 1, 3))
>STRING : Symbol(STRING, Decl(logicalNotOperatorWithStringType.ts, 1, 3))

// miss assignment operators
!"";
!STRING;
>STRING : Symbol(STRING, Decl(logicalNotOperatorWithStringType.ts, 1, 3))

!STRING1;
>STRING1 : Symbol(STRING1, Decl(logicalNotOperatorWithStringType.ts, 2, 3))

!foo();
>foo : Symbol(foo, Decl(logicalNotOperatorWithStringType.ts, 2, 36))

!objA.a,M.n;
>objA.a : Symbol(A.a, Decl(logicalNotOperatorWithStringType.ts, 6, 9))
>objA : Symbol(objA, Decl(logicalNotOperatorWithStringType.ts, 14, 3))
>a : Symbol(A.a, Decl(logicalNotOperatorWithStringType.ts, 6, 9))
>M.n : Symbol(M.n, Decl(logicalNotOperatorWithStringType.ts, 11, 14))
>M : Symbol(M, Decl(logicalNotOperatorWithStringType.ts, 9, 1))
>n : Symbol(M.n, Decl(logicalNotOperatorWithStringType.ts, 11, 14))