https://git.ruby-lang.org/ruby.git/commit/?id=6c5a8c2043

From 6c5a8c20439ea8932863627e477f18a7e77cf47e Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Mon, 10 Oct 2022 11:43:34 +0900
Subject: Ignore excessive precisions

---
 spec/ruby/core/file/atime_spec.rb | 2 +-
 spec/ruby/core/file/ctime_spec.rb | 2 +-
 spec/ruby/core/file/mtime_spec.rb | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/spec/ruby/core/file/atime_spec.rb b/spec/ruby/core/file/atime_spec.rb
index cef07ba010..3dc00fea21 100644
--- a/spec/ruby/core/file/atime_spec.rb
+++ b/spec/ruby/core/file/atime_spec.rb
@@ -19,7 +19,7 @@ describe "File.atime" do https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/file/atime_spec.rb#L19
     platform_is_not :"powerpc64le-linux" do # https://bugs.ruby-lang.org/issues/17926
       ## NOTE also that some Linux systems disable atime (e.g. via mount params) for better filesystem speed.
       it "returns the last access time for the named file with microseconds" do
-        supports_subseconds = Integer(`stat -c%x '#{__FILE__}'`[/\.(\d+)/, 1], 10)
+        supports_subseconds = Integer(`stat -c%x '#{__FILE__}'`[/\.(\d{1,6})/, 1], 10)
         if supports_subseconds != 0
           expected_time = Time.at(Time.now.to_i + 0.123456)
           File.utime expected_time, 0, @file
diff --git a/spec/ruby/core/file/ctime_spec.rb b/spec/ruby/core/file/ctime_spec.rb
index b16eb13c1e..d17ba1a77f 100644
--- a/spec/ruby/core/file/ctime_spec.rb
+++ b/spec/ruby/core/file/ctime_spec.rb
@@ -16,7 +16,7 @@ describe "File.ctime" do https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/file/ctime_spec.rb#L16
 
   platform_is :linux, :windows do
     it "returns the change time for the named file (the time at which directory information about the file was changed, not the file itself) with microseconds." do
-      supports_subseconds = Integer(`stat -c%z '#{__FILE__}'`[/\.(\d+)/, 1], 10)
+      supports_subseconds = Integer(`stat -c%z '#{__FILE__}'`[/\.(\d{1,6})/, 1], 10)
       if supports_subseconds != 0
         File.ctime(__FILE__).usec.should > 0
       else
diff --git a/spec/ruby/core/file/mtime_spec.rb b/spec/ruby/core/file/mtime_spec.rb
index 8d47d3021a..f89ee5d7f9 100644
--- a/spec/ruby/core/file/mtime_spec.rb
+++ b/spec/ruby/core/file/mtime_spec.rb
@@ -17,7 +17,7 @@ describe "File.mtime" do https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/file/mtime_spec.rb#L17
 
   platform_is :linux, :windows do
     it "returns the modification Time of the file with microseconds" do
-      supports_subseconds = Integer(`stat -c%y '#{__FILE__}'`[/\.(\d+)/, 1], 10)
+      supports_subseconds = Integer(`stat -c%y '#{__FILE__}'`[/\.(\d{1,6})/, 1], 10)
       if supports_subseconds != 0
         expected_time = Time.at(Time.now.to_i + 0.123456)
         File.utime 0, expected_time, @filename
-- 
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