csv.rb: fix incompatibility introduced in r59428

* lib/csv.rb: fix incompatibility introduced in r59428.
              CSV.new takes options as keyword arguments.

* test/csv/test_features.rb: add a test to ensure it raises error againt
                             unknown options

* test/csv/test_features.rb: add a test to ensure row_sep option is properly
                             applied

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59437 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 12 insertions, 0 deletions

diff --git a/test/csv/test_features.rb b/test/csv/test_features.rb
index f8aa0d87c5..a1f1ddbd15 100755
--- a/test/csv/test_features.rb
+++ b/test/csv/test_features.rb
@@ -137,6 +137,15 @@ class TestCSV::Features < TestCSV
     test_lineno
   end
 
+  def test_unknown_options
+    assert_raise_with_message(ArgumentError, /unknown keyword/) {
+      CSV.new(@sample_data, unknown: :error)
+    }
+    assert_raise_with_message(ArgumentError, /unknown keyword/) {
+      CSV.new(@sample_data, universal_newline: true)
+    }
+  end
+
   def test_skip_blanks
     assert_equal(4, @csv.to_a.size)
 
diff --git a/test/csv/test_interface.rb b/test/csv/test_interface.rb
index a12545c8b0..0ae03b0184 100755
--- a/test/csv/test_interface.rb
+++ b/test/csv/test_interface.rb
@@ -166,6 +166,9 @@ class TestCSV::Interface < TestCSV
     assert_not_nil(line)
     assert_instance_of(String, line)
     assert_equal("1;2;3\n", line)
+
+    line = CSV.generate_line(%w"1 2", row_sep: nil)
+    assert_equal("1,2", line)
   end
 
   def test_write_header_detection