test: relax Y2K38 check in test-fs-utimes-y2K38

On some platforms `date` may not support the `-r` option. Optimistically allow the test to proceed in that case as the previous `touch` had succeeded -- we were just not able to easily validate the file date. PR-URL: #37825 Refs: #37707 Reviewed-By: Rich Trott <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: richardlau

test/parallel/test-fs-utimes-y2K38.js

@@ -1,20 +1,15 @@
 'use strict';
 constcommon=require('../common');
 
-if(common.isIBMi){
-common.skip('fs.utimesSync() currently fails on IBM i with Y2K38 values');
-}
-
 consttmpdir=require('../common/tmpdir');
 tmpdir.refresh();
 
 constassert=require('assert');
 constfs=require('fs');
 
-// Check for Y2K38 support. For Windows and AIX, assume it's there. Windows
+// Check for Y2K38 support. For Windows, assume it's there. Windows
 // doesn't have `touch` and `date -r` which are used in the check for support.
-// AIX lacks `date -r`.
-if(!common.isWindows&&!common.isAIX){
+if(!common.isWindows){
 consttestFilePath=`${tmpdir.path}/y2k38-test`;
 consttestFileDate='204001020304';
 const{ spawnSync }=require('child_process');
@@ -25,13 +20,21 @@ if (!common.isWindows && !common.isAIX){
 common.skip('File system appears to lack Y2K38 support (touch failed)');
 }
 
+// On some file systems that lack Y2K38 support, `touch` will succeed but
+// the time will be incorrect.
 constdateResult=spawnSync('date',
 ['-r',testFilePath,'+%Y%m%d%H%M'],
 {encoding: 'utf8'});
-
-assert.strictEqual(dateResult.status,0);
-if(dateResult.stdout.trim()!==testFileDate){
-common.skip('File system appears to lack Y2k38 support (date failed)');
+if(dateResult.status===0){
+if(dateResult.stdout.trim()!==testFileDate){
+common.skip('File system appears to lack Y2k38 support (date failed)');
+}
+}else{
+// On some platforms `date` may not support the `-r` option. Usually
+// this will result in a non-zero status and usage information printed.
+// In this case optimistically proceed -- the earlier `touch` succeeded
+// but validation that the file has the correct time is not easily possible.
+assert.match(dateResult.stderr,/[Uu]sage:/);
 }
 }