test: simplify date inspection tests

The code duplicated a lot of logic that was already abstracted. Use the abstraction instead to remove code overhead. PR-URL: #26922 Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Anto Aravinth <[email protected]>

Author: BridgeAR

test/parallel/test-util-inspect.js

@@ -1815,7 +1815,9 @@ assert.strictEqual(util.inspect('"\'${a}'), "'\"\\'${a}'");
 [RegExp,['foobar','g'],'/foobar/g'],
 [WeakSet,[[{}]],'{<items unknown>}'],
 [WeakMap,[[[{},{}]]],'{<items unknown>}'],
-[BigInt64Array,[10],'[ 0n, 0n, 0n, 0n, 0n, 0n, 0n, 0n, 0n, 0n ]']
+[BigInt64Array,[10],'[ 0n, 0n, 0n, 0n, 0n, 0n, 0n, 0n, 0n, 0n ]'],
+[Date,['Sun, 14 Feb 2010 11:48:40 GMT'],'2010-02-14T11:48:40.000Z'],
+[Date,['invalid_date'],'Invalid Date']
 ].forEach(([base,input,rawExpected])=>{
 classFooextendsbase{}
 constvalue=newFoo(...input);
@@ -1841,50 +1843,6 @@ assert.strictEqual(util.inspect('"\'${a}'), "'\"\\'${a}'");
 assert(/\[Symbol\(foo\)]:'yeah'/.test(res),res);
 });
 
-// Date null prototype checks
-{
-classCustomDateextendsDate{
-}
-
-constdate=newCustomDate('Sun, 14 Feb 2010 11:48:40 GMT');
-assert.strictEqual(util.inspect(date),'CustomDate 2010-02-14T11:48:40.000Z');
-
-// add properties
-date.foo='bar';
-assert.strictEqual(util.inspect(date),
-'{CustomDate 2010-02-14T11:48:40.000Z foo: \'bar\'}');
-
-// Check for null prototype
-Object.setPrototypeOf(date,null);
-assert.strictEqual(util.inspect(date),
-'{[Date: null prototype] 2010-02-14T11:48:40.000Z'+
-' foo: \'bar\'}');
-
-constanotherDate=newCustomDate('Sun, 14 Feb 2010 11:48:40 GMT');
-Object.setPrototypeOf(anotherDate,null);
-assert.strictEqual(util.inspect(anotherDate),
-'[Date: null prototype] 2010-02-14T11:48:40.000Z');
-}
-
-// Check for invalid dates and null prototype
-{
-classCustomDateextendsDate{
-}
-
-constdate=newCustomDate('invalid_date');
-assert.strictEqual(util.inspect(date),'CustomDate Invalid Date');
-
-// add properties
-date.foo='bar';
-assert.strictEqual(util.inspect(date),
-'{CustomDate Invalid Date foo: \'bar\'}');
-
-// Check for null prototype
-Object.setPrototypeOf(date,null);
-assert.strictEqual(util.inspect(date),
-'{[Date: null prototype] Invalid Date foo: \'bar\'}');
-}
-
 assert.strictEqual(inspect(1n),'1n');
 assert.strictEqual(inspect(Object(-1n)),'[BigInt: -1n]');
 assert.strictEqual(inspect(Object(13n)),'[BigInt: 13n]');