--wip-- [skip ci]

lib/polyphony/extensions/io.rb

@@ -60,9 +60,13 @@ def read(name, length = nil, offset = nil, opt = EMPTY_HASH)
     end
 
     alias_method :orig_readlines, :readlines
-    def readlines(name, sep = $/, limit = nil, getline_args = EMPTY_HASH, chomp: false)
+    def readlines(name, sep = $/, limit = nil, **getline_args)
+      if sep.is_a?(Integer)
+        sep = $/
+        limit = sep
+      end
       File.open(name, 'r') do |f|
-        f.readlines(sep, limit, chomp: chomp, **getline_args)
+        f.readlines(sep, limit, **getline_args)
       end
     end
 

test/test_io.rb

@@ -709,24 +709,34 @@ def test_read_class_method
   end
 
   def test_readlines
+    # No arguments
     lines = IO.readlines(__FILE__)
     assert_equal "# frozen_string_literal: true\n", lines[0]
     assert_equal "end\n", lines[-1]
 
     lines = IO.readlines(__FILE__, chomp: true)
     assert_equal "# frozen_string_literal: true", lines[0]
 
+    # Separator as argument
     lines = IO.readlines(__FILE__, ":")
     assert_equal "# frozen_string_literal:", lines[0]
 
     lines = IO.readlines(__FILE__, ":", chomp: true)
     assert_equal "# frozen_string_literal", lines[0]
 
-    lines = IO.readlines(__FILE__, $/, 30)
+    # Limit as argument
+    lines = IO.readlines(__FILE__, 30)
     assert_equal "# frozen_string_literal: true\n", lines[0]
 
-    lines = IO.readlines(__FILE__, $/, 30, chomp: true)
+    lines = IO.readlines(__FILE__, 30, chomp: true)
     assert_equal "# frozen_string_literal: true", lines[0]
+
+    # Separator and limit as argument
+    lines = IO.readlines(__FILE__, ":", 23)
+    assert_equal "# frozen_string_literal:", lines[0]
+
+    lines = IO.readlines(__FILE__, ":", 23, chomp: true)
+    assert_equal "# frozen_string_literal", lines[0]
   end
 
   WRITE_DATA = "foo\nbar קוקו"