check_limit: also handle symbols

Author: byroot

ext/date/date_core.c

@@ -4343,6 +4343,7 @@ static void
 check_limit(VALUE str, VALUE opt)
 {
     if (NIL_P(str)) return;
+    if (SYMBOL_P(str)) str = rb_sym2str(str);
 
     StringValue(str);
     size_t slen = RSTRING_LEN(str);

test/date/test_date_parse.rb

@@ -851,6 +851,10 @@ def test__iso8601
 
     h = Date._iso8601(nil)
     assert_equal({}, h)
+
+    h = Date._iso8601('01-02-03T04:05:06Z'.to_sym)
+    assert_equal([2001, 2, 3, 4, 5, 6, 0],
+      h.values_at(:year, :mon, :mday, :hour, :min, :sec, :offset))
   end
 
   def test__rfc3339
@@ -869,6 +873,10 @@ def test__rfc3339
 
     h = Date._rfc3339(nil)
     assert_equal({}, h)
+
+    h = Date._rfc3339('2001-02-03T04:05:06Z'.to_sym)
+    assert_equal([2001, 2, 3, 4, 5, 6, 0],
+      h.values_at(:year, :mon, :mday, :hour, :min, :sec, :offset))
   end
 
   def test__xmlschema
@@ -954,6 +962,10 @@ def test__xmlschema
 
     h = Date._xmlschema(nil)
     assert_equal({}, h)
+
+    h = Date._xmlschema('2001-02-03'.to_sym)
+    assert_equal([2001, 2, 3, nil, nil, nil, nil],
+      h.values_at(:year, :mon, :mday, :hour, :min, :sec, :offset))
   end
 
   def test__rfc2822
@@ -989,6 +1001,10 @@ def test__rfc2822
 
     h = Date._rfc2822(nil)
     assert_equal({}, h)
+
+    h = Date._rfc2822('Sat, 3 Feb 2001 04:05:06 UT'.to_sym)
+    assert_equal([2001, 2, 3, 4, 5, 6, 0],
+      h.values_at(:year, :mon, :mday, :hour, :min, :sec, :offset))
   end
 
   def test__httpdate
@@ -1012,6 +1028,10 @@ def test__httpdate
 
     h = Date._httpdate(nil)
     assert_equal({}, h)
+
+    h = Date._httpdate('Sat, 03 Feb 2001 04:05:06 GMT'.to_sym)
+    assert_equal([2001, 2, 3, 4, 5, 6, 0],
+      h.values_at(:year, :mon, :mday, :hour, :min, :sec, :offset))
   end
 
   def test__jisx0301
@@ -1091,6 +1111,10 @@ def test__jisx0301
 
     h = Date._jisx0301(nil)
     assert_equal({}, h)
+
+    h = Date._jisx0301('H13.02.03T04:05:06.07+0100'.to_sym)
+    assert_equal([2001, 2, 3, 4, 5, 6, 3600],
+      h.values_at(:year, :mon, :mday, :hour, :min, :sec, :offset))
   end
 
   def test_iso8601