From abf32b607e2cfe30471e32622d6b38889db59537 Mon Sep 17 00:00:00 2001
From: Sutou Kouhei <kou@clear-code.com>
Date: Sat, 21 Dec 2024 17:48:04 +0900
Subject: [PATCH] Fix a parse bug with a quoted line with col_sep and an empty
 line

GitHub: fix GH-324

This is introduced by bb93c289a529c77b5d5a8788dd8fdc03052216fc.

We can't reuse `row` in this case because `row` is used for the next
row.

Reported by stoodfarback. Thanks!!!
---
 lib/csv/parser.rb              | 2 +-
 test/csv/parse/test_general.rb | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/csv/parser.rb b/lib/csv/parser.rb
index 1e8a3c20..977ec235 100644
--- a/lib/csv/parser.rb
+++ b/lib/csv/parser.rb
@@ -1041,7 +1041,7 @@ def parse_quotable_robust(&block)
           quoted_fields << @quoted_column_value
         elsif parse_row_end
           if row.empty? and value.nil?
-            emit_row(row, &block) unless @skip_blanks
+            emit_row([], &block) unless @skip_blanks
           else
             row << value
             quoted_fields << @quoted_column_value
diff --git a/test/csv/parse/test_general.rb b/test/csv/parse/test_general.rb
index a565ff2e..7ec0994e 100644
--- a/test/csv/parse/test_general.rb
+++ b/test/csv/parse/test_general.rb
@@ -322,6 +322,15 @@ def test_seeked_string_io
                  CSV.new(input_with_bom).each.to_a)
   end
 
+  def test_quoted_col_sep_and_empty_line
+    assert_equal([["one,"], [], ["three"]],
+                 CSV.parse(<<-CSV))
+"one,"
+
+"three"
+                 CSV
+  end
+
   private
 
   {