Merge b952068 into 9c6376f

ma2gedev · May 25, 2020 · 543e557 · 543e557
2 parents 9c6376f + b952068
commit 543e557
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diff --git a/.travis.yml b/.travis.yml
@@ -4,5 +4,7 @@ rvm:
   - 2.1.5
   - 2.2.0
   - 2.3.0
+  - 2.4
+  - 2.5
 sudo: false
 cache: bundler
diff --git a/lib/chrono_logger.rb b/lib/chrono_logger.rb
@@ -75,7 +75,7 @@ def initialize(log = nil, opt = {})
     end
 
     def write(message)
-      check_and_shift_log if @pattern
+      check_and_shift_log if defined? @pattern
       @dev.write(message)
     rescue
       warn("log writing failed. #{$!}")