Merge pull request microsoft#25315 from Microsoft/strictifyTest

Strictify test

Author: DanielRosenwasser

tests/baselines/reference/elaboratedErrorsOnNullableTargets01.errors.txt

@@ -1,13 +1,11 @@
-tests/cases/compiler/elaboratedErrorsOnNullableTargets01.ts(4,1): error TS2322: Type '{ foo: { bar: number; }; }' is not assignable to type '{ foo: { bar: string; }; }'.
+tests/cases/compiler/elaboratedErrorsOnNullableTargets01.ts(4,1): error TS2322: Type '{ foo: { bar: number | undefined; }; }' is not assignable to type '{ foo: { bar: string | null; } | undefined; }'.
   Types of property 'foo' are incompatible.
-    Type '{ bar: number; }' is not assignable to type '{ bar: string; }'.
+    Type '{ bar: number | undefined; }' is not assignable to type '{ bar: string | null; }'.
       Types of property 'bar' are incompatible.
-        Type 'number' is not assignable to type 'string'.
-tests/cases/compiler/elaboratedErrorsOnNullableTargets01.ts(6,1): error TS2322: Type '{ foo: { bar: string; }; }' is not assignable to type '{ foo: { bar: number; }; }'.
-  Types of property 'foo' are incompatible.
-    Type '{ bar: string; }' is not assignable to type '{ bar: number; }'.
-      Types of property 'bar' are incompatible.
-        Type 'string' is not assignable to type 'number'.
+        Type 'number | undefined' is not assignable to type 'string | null'.
+          Type 'undefined' is not assignable to type 'string | null'.
+tests/cases/compiler/elaboratedErrorsOnNullableTargets01.ts(6,1): error TS2322: Type '{ foo: { bar: string | null; } | undefined; } | null | undefined' is not assignable to type '{ foo: { bar: number | undefined; }; }'.
+  Type 'undefined' is not assignable to type '{ foo: { bar: number | undefined; }; }'.
 
 
 ==== tests/cases/compiler/elaboratedErrorsOnNullableTargets01.ts (2 errors) ====
@@ -16,16 +14,15 @@ tests/cases/compiler/elaboratedErrorsOnNullableTargets01.ts(6,1): error TS2322:
 
     x = y;
     ~
-!!! error TS2322: Type '{ foo: { bar: number; }; }' is not assignable to type '{ foo: { bar: string; }; }'.
+!!! error TS2322: Type '{ foo: { bar: number | undefined; }; }' is not assignable to type '{ foo: { bar: string | null; } | undefined; }'.
 !!! error TS2322:   Types of property 'foo' are incompatible.
-!!! error TS2322:     Type '{ bar: number; }' is not assignable to type '{ bar: string; }'.
+!!! error TS2322:     Type '{ bar: number | undefined; }' is not assignable to type '{ bar: string | null; }'.
 !!! error TS2322:       Types of property 'bar' are incompatible.
-!!! error TS2322:         Type 'number' is not assignable to type 'string'.
+!!! error TS2322:         Type 'number | undefined' is not assignable to type 'string | null'.
+!!! error TS2322:           Type 'undefined' is not assignable to type 'string | null'.
 
     y = x;
     ~
-!!! error TS2322: Type '{ foo: { bar: string; }; }' is not assignable to type '{ foo: { bar: number; }; }'.
-!!! error TS2322:   Types of property 'foo' are incompatible.
-!!! error TS2322:     Type '{ bar: string; }' is not assignable to type '{ bar: number; }'.
-!!! error TS2322:       Types of property 'bar' are incompatible.
-!!! error TS2322:         Type 'string' is not assignable to type 'number'.
+!!! error TS2322: Type '{ foo: { bar: string | null; } | undefined; } | null | undefined' is not assignable to type '{ foo: { bar: number | undefined; }; }'.
+!!! error TS2322:   Type 'undefined' is not assignable to type '{ foo: { bar: number | undefined; }; }'.
+    

tests/baselines/reference/elaboratedErrorsOnNullableTargets01.js

@@ -4,7 +4,8 @@ export declare let y: { foo: { bar: number | undefined } };
 
 x = y;
 
-y = x;
+y = x;
+
 
 //// [elaboratedErrorsOnNullableTargets01.js]
 "use strict";

tests/baselines/reference/elaboratedErrorsOnNullableTargets01.types

@@ -1,23 +1,23 @@
 === tests/cases/compiler/elaboratedErrorsOnNullableTargets01.ts ===
 export declare let x: null | { foo: { bar: string | null } | undefined } | undefined;
->x : { foo: { bar: string; }; }
+>x : { foo: { bar: string | null; } | undefined; } | null | undefined
 >null : null
->foo : { bar: string; }
->bar : string
+>foo : { bar: string | null; } | undefined
+>bar : string | null
 >null : null
 
 export declare let y: { foo: { bar: number | undefined } };
->y : { foo: { bar: number; }; }
->foo : { bar: number; }
->bar : number
+>y : { foo: { bar: number | undefined; }; }
+>foo : { bar: number | undefined; }
+>bar : number | undefined
 
 x = y;
->x = y : { foo: { bar: number; }; }
->x : { foo: { bar: string; }; }
->y : { foo: { bar: number; }; }
+>x = y : { foo: { bar: number | undefined; }; }
+>x : { foo: { bar: string | null; } | undefined; } | null | undefined
+>y : { foo: { bar: number | undefined; }; }
 
 y = x;
->y = x : { foo: { bar: string; }; }
->y : { foo: { bar: number; }; }
->x : { foo: { bar: string; }; }
+>y = x : { foo: { bar: string | null; } | undefined; } | null | undefined
+>y : { foo: { bar: number | undefined; }; }
+>x : { foo: { bar: string | null; } | undefined; } | null | undefined
 

tests/cases/compiler/elaboratedErrorsOnNullableTargets01.ts

@@ -1,7 +1,8 @@
+// @strict: true
 
 export declare let x: null | { foo: { bar: string | null } | undefined } | undefined;
 export declare let y: { foo: { bar: number | undefined } };
 
 x = y;
 
-y = x;
+y = x;