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tests/cases/compiler/booleanAssignment.ts(2,1): error TS2322: Type 'number' is not assignable to type 'Boolean'.
tests/cases/compiler/booleanAssignment.ts(3,1): error TS2322: Type 'string' is not assignable to type 'Boolean'.
tests/cases/compiler/booleanAssignment.ts(4,1): error TS2322: Type '{}' is not assignable to type 'Boolean'.
The types returned by 'valueOf()' are incompatible between these types.
Type 'Object' is not assignable to type 'boolean'.
==== tests/cases/compiler/booleanAssignment.ts (3 errors) ====
var b = new Boolean();
b = 1; // Error
~
!!! error TS2322: Type 'number' is not assignable to type 'Boolean'.
b = "a"; // Error
~
!!! error TS2322: Type 'string' is not assignable to type 'Boolean'.
b = {}; // Error
~
!!! error TS2322: Type '{}' is not assignable to type 'Boolean'.
!!! error TS2322: The types returned by 'valueOf()' are incompatible between these types.
!!! error TS2322: Type 'Object' is not assignable to type 'boolean'.
var o = {};
o = b; // OK
b = true; // OK
var b2:boolean;
b = b2; // OK
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