test: fix test-fs-utimes on non-Y2K38 file systems

Move Y2K38-specific parts of test-fs-utimes to test-fs-utimes-y2K38.js.
On non-Windows, check for Y2K38 support and skip if it is unsupported.

Fixes: #36591

PR-URL: #37707
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Richard Lau <[email protected]>

Author: Trott

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

@@ -0,0 +1,63 @@
+'use strict';
+const common = require('../common');
+
+if (common.isIBMi) {
+  common.skip('fs.utimesSync() currently fails on IBM i with Y2K38 values');
+}
+
+const tmpdir = require('../common/tmpdir');
+tmpdir.refresh();
+
+const assert = require('assert');
+const fs = require('fs');
+
+// Check for Y2K38 support. For Windows and AIX, 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) {
+  const testFilePath = `${tmpdir.path}/y2k38-test`;
+  const testFileDate = '204001020304';
+  const { spawnSync } = require('child_process');
+  const touchResult = spawnSync('touch',
+                                ['-t', testFileDate, testFilePath],
+                                { encoding: 'utf8' });
+  if (touchResult.status !== 0) {
+    common.skip('File system appears to lack Y2K38 support (touch failed)');
+  }
+
+  const dateResult = spawnSync('date',
+                               ['-r', testFilePath, '+%Y%m%d%H%M'],
+                               { encoding: 'utf8' });
+
+  assert.strictEqual(dateResult.status, 0);
+  if (dateResult.stdout.trim() !== testFileDate) {
+    common.skip('File system appears to lack Y2k38 support (date failed)');
+  }
+}
+
+// Ref: https://github.com/nodejs/node/issues/13255
+const path = `${tmpdir.path}/test-utimes-precision`;
+fs.writeFileSync(path, '');
+
+const Y2K38_mtime = 2 ** 31;
+fs.utimesSync(path, Y2K38_mtime, Y2K38_mtime);
+const Y2K38_stats = fs.statSync(path);
+assert.strictEqual(Y2K38_stats.mtime.getTime() / 1000, Y2K38_mtime);
+
+if (common.isWindows) {
+  // This value would get converted to (double)1713037251359.9998
+  const truncate_mtime = 1713037251360;
+  fs.utimesSync(path, truncate_mtime / 1000, truncate_mtime / 1000);
+  const truncate_stats = fs.statSync(path);
+  assert.strictEqual(truncate_stats.mtime.getTime(), truncate_mtime);
+
+  // test Y2K38 for windows
+  // This value if treaded as a `signed long` gets converted to -2135622133469.
+  // POSIX systems stores timestamps in {long t_sec, long t_usec}.
+  // NTFS stores times in nanoseconds in a single `uint64_t`, so when libuv
+  // calculates (long)`uv_timespec_t.tv_sec` we get 2's complement.
+  const overflow_mtime = 2159345162531;
+  fs.utimesSync(path, overflow_mtime / 1000, overflow_mtime / 1000);
+  const overflow_stats = fs.statSync(path);
+  assert.strictEqual(overflow_stats.mtime.getTime(), overflow_mtime);
+}

test/parallel/test-fs-utimes.js

@@ -156,37 +156,6 @@ function runTests(iter) {
   }
 }
 
-// Ref: https://github.com/nodejs/node/issues/13255
-const path = `${tmpdir.path}/test-utimes-precision`;
-fs.writeFileSync(path, '');
-
-// Test Y2K38 for all platforms [except 'arm', 'OpenBSD', 'SunOS' and 'IBMi']
-if (!process.arch.includes('arm') &&
-  !common.isOpenBSD && !common.isSunOS && !common.isIBMi) {
-  const Y2K38_mtime = 2 ** 31;
-  fs.utimesSync(path, Y2K38_mtime, Y2K38_mtime);
-  const Y2K38_stats = fs.statSync(path);
-  assert.strictEqual(Y2K38_stats.mtime.getTime() / 1000, Y2K38_mtime);
-}
-
-if (common.isWindows) {
-  // This value would get converted to (double)1713037251359.9998
-  const truncate_mtime = 1713037251360;
-  fs.utimesSync(path, truncate_mtime / 1000, truncate_mtime / 1000);
-  const truncate_stats = fs.statSync(path);
-  assert.strictEqual(truncate_stats.mtime.getTime(), truncate_mtime);
-
-  // test Y2K38 for windows
-  // This value if treaded as a `signed long` gets converted to -2135622133469.
-  // POSIX systems stores timestamps in {long t_sec, long t_usec}.
-  // NTFS stores times in nanoseconds in a single `uint64_t`, so when libuv
-  // calculates (long)`uv_timespec_t.tv_sec` we get 2's complement.
-  const overflow_mtime = 2159345162531;
-  fs.utimesSync(path, overflow_mtime / 1000, overflow_mtime / 1000);
-  const overflow_stats = fs.statSync(path);
-  assert.strictEqual(overflow_stats.mtime.getTime(), overflow_mtime);
-}
-
 const expectTypeError = {
   code: 'ERR_INVALID_ARG_TYPE',
   name: 'TypeError'