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ruby--ruby/spec/ruby/core/file/utime_spec.rb
Yusuke Endoh 6325866421 spec/ruby/core/file/utime_spec.rb: XFS seems to have Year 2038 problem
https://rubyci.org/logs/rubyci.s3.amazonaws.com/rhel8/ruby-master/log/20201112T123004Z.fail.html.gz
```
1)
File.utime allows Time instances in the far future to set mtime and
atime (but some filesystems limit it up to 2446-05-10) FAILED
Expected [559444, 2446].include? 2038
to be truthy but was false
/home/chkbuild/chkbuild/tmp/build/20201112T123004Z/ruby/spec/ruby/core/file/utime_spec.rb:80:in
`block (4 levels) in <top (required)>'
/home/chkbuild/chkbuild/tmp/build/20201112T123004Z/ruby/spec/ruby/core/file/utime_spec.rb:3:in
`<top (required)>'
```

```
$ touch foo
$ ./miniruby -e 'time = Time.at(1<<44); File.utime(time, time, "foo")'
$ ls -l foo
-rw-r--r--. 1 mame wheel 0 Jan 19  2038 foo
```
2020-11-12 23:39:27 +09:00

89 lines
3.4 KiB
Ruby

require_relative '../../spec_helper'
describe "File.utime" do
before :all do
@time_is_float = platform_is :windows
end
before :each do
@atime = Time.now
@mtime = Time.now
@file1 = tmp("specs_file_utime1")
@file2 = tmp("specs_file_utime2")
touch @file1
touch @file2
end
after :each do
rm_r @file1, @file2
end
it "sets the access and modification time of each file" do
File.utime(@atime, @mtime, @file1, @file2)
if @time_is_float
File.atime(@file1).should be_close(@atime, 0.0001)
File.mtime(@file1).should be_close(@mtime, 0.0001)
File.atime(@file2).should be_close(@atime, 0.0001)
File.mtime(@file2).should be_close(@mtime, 0.0001)
else
File.atime(@file1).to_i.should be_close(@atime.to_i, TIME_TOLERANCE)
File.mtime(@file1).to_i.should be_close(@mtime.to_i, TIME_TOLERANCE)
File.atime(@file2).to_i.should be_close(@atime.to_i, TIME_TOLERANCE)
File.mtime(@file2).to_i.should be_close(@mtime.to_i, TIME_TOLERANCE)
end
end
it "uses the current times if two nil values are passed" do
tn = Time.now
File.utime(nil, nil, @file1, @file2)
if @time_is_float
File.atime(@file1).should be_close(tn, 0.050)
File.mtime(@file1).should be_close(tn, 0.050)
File.atime(@file2).should be_close(tn, 0.050)
File.mtime(@file2).should be_close(tn, 0.050)
else
File.atime(@file1).to_i.should be_close(Time.now.to_i, TIME_TOLERANCE)
File.mtime(@file1).to_i.should be_close(Time.now.to_i, TIME_TOLERANCE)
File.atime(@file2).to_i.should be_close(Time.now.to_i, TIME_TOLERANCE)
File.mtime(@file2).to_i.should be_close(Time.now.to_i, TIME_TOLERANCE)
end
end
it "accepts an object that has a #to_path method" do
File.utime(@atime, @mtime, mock_to_path(@file1), mock_to_path(@file2))
end
it "accepts numeric atime and mtime arguments" do
if @time_is_float
File.utime(@atime.to_f, @mtime.to_f, @file1, @file2)
File.atime(@file1).should be_close(@atime, 0.0001)
File.mtime(@file1).should be_close(@mtime, 0.0001)
File.atime(@file2).should be_close(@atime, 0.0001)
File.mtime(@file2).should be_close(@mtime, 0.0001)
else
File.utime(@atime.to_i, @mtime.to_i, @file1, @file2)
File.atime(@file1).to_i.should be_close(@atime.to_i, TIME_TOLERANCE)
File.mtime(@file1).to_i.should be_close(@mtime.to_i, TIME_TOLERANCE)
File.atime(@file2).to_i.should be_close(@atime.to_i, TIME_TOLERANCE)
File.mtime(@file2).to_i.should be_close(@mtime.to_i, TIME_TOLERANCE)
end
end
platform_is :linux do
platform_is wordsize: 64 do
it "allows Time instances in the far future to set mtime and atime (but some filesystems limit it up to 2446-05-10 or 2038-01-19)" do
# https://ext4.wiki.kernel.org/index.php/Ext4_Disk_Layout#Inode_Timestamps
# "Therefore, timestamps should not overflow until May 2446."
# https://lwn.net/Articles/804382/
# "On-disk timestamps hitting the y2038 limit..."
# The problem seems to be being improved, but currently it actually fails on XFS on RHEL8
# https://rubyci.org/logs/rubyci.s3.amazonaws.com/rhel8/ruby-master/log/20201112T123004Z.fail.html.gz
time = Time.at(1<<44)
File.utime(time, time, @file1)
[559444, 2446, 2038].should.include? File.atime(@file1).year
[559444, 2446, 2038].should.include? File.mtime(@file1).year
end
end
end
end