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tests/cases/conformance/types/tuple/castingTuple.ts(13,23): error TS2352: Conversion of type '[number, string]' to type '[number, string, boolean]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
Source has 2 element(s) but target requires 3.
tests/cases/conformance/types/tuple/castingTuple.ts(14,15): error TS2352: Conversion of type '[number, string, boolean]' to type '[number, string]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
Source has 3 element(s) but target allows only 2.
tests/cases/conformance/types/tuple/castingTuple.ts(15,14): error TS2352: Conversion of type '[number, string]' to type '[number, string, boolean]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
tests/cases/conformance/types/tuple/castingTuple.ts(18,21): error TS2352: Conversion of type '[C, D]' to type '[C, D, A]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
Source has 2 element(s) but target requires 3.
tests/cases/conformance/types/tuple/castingTuple.ts(20,33): error TS2493: Tuple type '[C, D, A]' of length '3' has no element at index '5'.
tests/cases/conformance/types/tuple/castingTuple.ts(30,10): error TS2352: Conversion of type '[number, string]' to type '[number, number]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
Type at position 1 in source is not compatible with type at position 1 in target.
Type 'string' is not comparable to type 'number'.
tests/cases/conformance/types/tuple/castingTuple.ts(31,10): error TS2352: Conversion of type '[C, D]' to type '[A, I]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
Type at position 0 in source is not compatible with type at position 0 in target.
Property 'a' is missing in type 'C' but required in type 'A'.
tests/cases/conformance/types/tuple/castingTuple.ts(32,5): error TS2403: Subsequent variable declarations must have the same type. Variable 'array1' must be of type '{}[]', but here has type 'number[]'.
tests/cases/conformance/types/tuple/castingTuple.ts(33,1): error TS2304: Cannot find name 't4'.
==== tests/cases/conformance/types/tuple/castingTuple.ts (9 errors) ====
interface I { }
class A { a = 10; }
class C implements I { c };
class D implements I { d };
class E extends A { e };
class F extends A { f };
enum E1 { one }
enum E2 { one }
// no error
var numStrTuple: [number, string] = [5, "foo"];
var emptyObjTuple = <[{}, {}]>numStrTuple;
var numStrBoolTuple = <[number, string, boolean]>numStrTuple;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2352: Conversion of type '[number, string]' to type '[number, string, boolean]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
!!! error TS2352: Source has 2 element(s) but target requires 3.
var shorter = numStrBoolTuple as [number, string]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2352: Conversion of type '[number, string, boolean]' to type '[number, string]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
!!! error TS2352: Source has 3 element(s) but target allows only 2.
var longer = numStrTuple as [number, string, boolean]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2352: Conversion of type '[number, string]' to type '[number, string, boolean]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
var classCDTuple: [C, D] = [new C(), new D()];
var interfaceIITuple = <[I, I]>classCDTuple;
var classCDATuple = <[C, D, A]>classCDTuple;
~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2352: Conversion of type '[C, D]' to type '[C, D, A]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
!!! error TS2352: Source has 2 element(s) but target requires 3.
var eleFromCDA1 = classCDATuple[2]; // A
var eleFromCDA2 = classCDATuple[5]; // C | D | A
~
!!! error TS2493: Tuple type '[C, D, A]' of length '3' has no element at index '5'.
var t10: [E1, E2] = [E1.one, E2.one];
var t11 = <[number, number]>t10;
var array1 = <{}[]>emptyObjTuple;
var unionTuple: [C, string | number] = [new C(), "foo"];
var unionTuple2: [C, string | number, D] = [new C(), "foo", new D()];
var unionTuple3: [number, string| number] = [10, "foo"];
var unionTuple4 = <[number, number]>unionTuple3;
// error
var t3 = <[number, number]>numStrTuple;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2352: Conversion of type '[number, string]' to type '[number, number]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
!!! error TS2352: Type at position 1 in source is not compatible with type at position 1 in target.
!!! error TS2352: Type 'string' is not comparable to type 'number'.
var t9 = <[A, I]>classCDTuple;
~~~~~~~~~~~~~~~~~~~~
!!! error TS2352: Conversion of type '[C, D]' to type '[A, I]' may be a mistake because neither type sufficiently overlaps with the other. If this was intentional, convert the expression to 'unknown' first.
!!! error TS2352: Type at position 0 in source is not compatible with type at position 0 in target.
!!! error TS2352: Property 'a' is missing in type 'C' but required in type 'A'.
!!! related TS2728 tests/cases/conformance/types/tuple/castingTuple.ts:2:11: 'a' is declared here.
var array1 = <number[]>numStrTuple;
~~~~~~
!!! error TS2403: Subsequent variable declarations must have the same type. Variable 'array1' must be of type '{}[]', but here has type 'number[]'.
!!! related TS6203 tests/cases/conformance/types/tuple/castingTuple.ts:23:5: 'array1' was also declared here.
t4[2] = 10;
~~
!!! error TS2304: Cannot find name 't4'.
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