From be5de490906e1b2b542ba6e0160672f92a24ab60 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 21 Feb 2014 07:45:55 +0000
Subject: logger.rb: DST

* lib/logger.rb (next_rotate_time, previous_period_end): consider
  DST change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45072 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/logger/test_logdevice.rb | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'test')

diff --git a/test/logger/test_logdevice.rb b/test/logger/test_logdevice.rb
index 3db3a5da45..0245d03eba 100644
--- a/test/logger/test_logdevice.rb
+++ b/test/logger/test_logdevice.rb
@@ -362,6 +362,44 @@ class TestLogDevice < Test::Unit::TestCase
     end
   end
 
+  def test_shifting_dst_change
+    Dir.mktmpdir do |tmpdir|
+      system({"TZ"=>"Europe/London"}, EnvUtil.rubybin, *%W"--disable=gems -rlogger -C#{tmpdir} -e", <<-'end;')
+        begin
+          module FakeTime
+            attr_accessor :now
+          end
+
+          class << Time
+            prepend FakeTime
+          end
+
+          log = "log"
+          File.open(log, "w") {}
+
+          Time.now = Time.mktime(2014, 3, 30, 0, 1, 1)
+          File.utime(Time.now, Time.now, log)
+
+          dev = Logger::LogDevice.new(log, shift_age: 'daily')
+          dev.write("#{Time.now} hello-1\n")
+          File.utime(*[Time.mktime(2014, 3, 30, 0, 2, 3)]*2, log)
+
+          Time.now = Time.mktime(2014, 3, 31, 0, 1, 1)
+          File.utime(Time.now, Time.now, log)
+          dev.write("#{Time.now} hello-2\n")
+        ensure
+          dev.close
+        end
+      end;
+
+      log = File.join(tmpdir, "log")
+      cont = File.read(log)
+      assert_match(/hello-2/, cont)
+      assert_not_match(/hello-1/, cont)
+      assert_file.exist?(log+".20140330")
+    end
+  end
+
   private
 
   def run_children(n, args, src)
-- 
cgit v1.2.3