71 lines
2.5 KiB
Text
71 lines
2.5 KiB
Text
|
==== tests/cases/conformance/expressions/binaryOperators/additionOperator/additionOperatorWithTypeParameter.ts (16 errors) ====
|
||
|
// type parameter type is not a valid operand of addition operator
|
||
|
enum E { a, b }
|
||
|
|
||
|
function foo<T, U>(t: T, u: U) {
|
||
|
var a: any;
|
||
|
var b: boolean;
|
||
|
var c: number;
|
||
|
var d: string;
|
||
|
var e: Object;
|
||
|
var g: E;
|
||
|
var f: void;
|
||
|
|
||
|
// type parameter as left operand
|
||
|
var r1: any = t + a; // ok, one operand is any
|
||
|
var r2 = t + b;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'boolean'.
|
||
|
var r3 = t + c;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'number'.
|
||
|
var r4 = t + d; // ok, one operand is string
|
||
|
var r5 = t + e;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'Object'.
|
||
|
var r6 = t + g;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'E'.
|
||
|
var r7 = t + f;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'void'.
|
||
|
|
||
|
// type parameter as right operand
|
||
|
var r8 = a + t; // ok, one operand is any
|
||
|
var r9 = b + t;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'boolean' and 'T'.
|
||
|
var r10 = c + t;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'number' and 'T'.
|
||
|
var r11 = d + t; // ok, one operand is string
|
||
|
var r12 = e + t;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'Object' and 'T'.
|
||
|
var r13 = g + t;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'E' and 'T'.
|
||
|
var r14 = f + t;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'void' and 'T'.
|
||
|
|
||
|
// other cases
|
||
|
var r15 = t + null;
|
||
|
~~~~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'T'.
|
||
|
var r16 = t + undefined;
|
||
|
~~~~~~~~~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'T'.
|
||
|
var r17 = t + t;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'T'.
|
||
|
var r18 = t + u;
|
||
|
~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'U'.
|
||
|
var r19 = t + (() => { });
|
||
|
~~~~~~~~~~~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and '() => void'.
|
||
|
var r20 = t + [];
|
||
|
~~~~~~
|
||
|
!!! Operator '+' cannot be applied to types 'T' and 'undefined[]'.
|
||
|
}
|