Revert "Regexp#match{?} with nil raises TypeError as String, Symbol (#1506)"

This reverts commit 2a22a6b2d8465934e75520a7fdcf522d50890caf.
Revert [Feature #13083]

3 files changed, 2 insertions, 12 deletions

diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index d48eef5366..a1d49c595a 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -539,7 +539,7 @@ class TestRegexp < Test::Unit::TestCase
   end
 
   def test_match
-    assert_raise(TypeError) { //.match(nil) }
+    assert_nil(//.match(nil))
     assert_equal("abc", /.../.match(:abc)[0])
     assert_raise(TypeError) { /.../.match(Object.new)[0] }
     assert_equal("bc", /../.match('abc', 1)[0])
@@ -561,10 +561,10 @@ class TestRegexp < Test::Unit::TestCase
     /backref/ =~ 'backref'
     # must match here, but not in a separate method, e.g., assert_send,
     # to check if $~ is affected or not.
+    assert_equal(false, //.match?(nil))
     assert_equal(true, //.match?(""))
     assert_equal(true, /.../.match?(:abc))
     assert_raise(TypeError) { /.../.match?(Object.new) }
-    assert_raise(TypeError) { //.match?(nil) }
     assert_equal(true, /b/.match?('abc'))
     assert_equal(true, /b/.match?('abc', 1))
     assert_equal(true, /../.match?('abc', 1))
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb
index a86e26c774..0276d6a14d 100644
--- a/test/ruby/test_string.rb
+++ b/test/ruby/test_string.rb
@@ -2469,7 +2469,6 @@ CODE
 
   def test_match_method
     assert_equal("bar", "foobarbaz".match(/bar/).to_s)
-    assert_raise(TypeError) { "".match(nil) }
 
     o = Regexp.new('foo')
     def o.match(x, y, z); x + y + z; end
@@ -2525,10 +2524,6 @@ CODE
     assert_equal('backref', $&)
   end
 
-  def test_match_p_nil
-    assert_raise(TypeError) { ''.match?(nil) }
-  end
-
   def test_clear
     s = "foo" * 100
     s.clear
diff --git a/test/ruby/test_symbol.rb b/test/ruby/test_symbol.rb
index 75335f180d..660f2e1574 100644
--- a/test/ruby/test_symbol.rb
+++ b/test/ruby/test_symbol.rb
@@ -367,7 +367,6 @@ class TestSymbol < Test::Unit::TestCase
 
   def test_match_method
     assert_equal("bar", :"foobarbaz".match(/bar/).to_s)
-    assert_raise(TypeError) { :"".match(nil) }
 
     o = Regexp.new('foo')
     def o.match(x, y, z); x + y + z; end
@@ -421,10 +420,6 @@ class TestSymbol < Test::Unit::TestCase
     assert_equal('backref', $&)
   end
 
-  def test_match_p_nil
-    assert_raise(TypeError) { :''.match?(nil) }
-  end
-
   def test_symbol_popped
     assert_nothing_raised { eval('a = 1; :"#{ a }"; 1') }
   end