optparse.rb: hyphenize

* lib/optparse.rb (make_switch, parse_in_order): unify underscores
  to hyphens.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56419 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 21 insertions, 0 deletions

diff --git a/test/optparse/test_noarg.rb b/test/optparse/test_noarg.rb
index 8f9be29ab8..8f20519408 100644
--- a/test/optparse/test_noarg.rb
+++ b/test/optparse/test_noarg.rb
@@ -2,6 +2,12 @@
 require_relative 'test_optparse'
 
 module TestOptionParser::NoArg
+  def setup
+    super
+    @opt.def_option "--with_underscore" do |x| @flag = x end
+    @opt.def_option "--with-hyphen" do |x| @flag = x end
+  end
+
   class Def1 < TestOptionParser
     include NoArg
     def setup
@@ -55,4 +61,19 @@ module TestOptionParser::NoArg
     assert_equal(%w"", no_error {@opt.parse!(%w"--opt")})
     assert_equal(true, @flag)
   end
+
+  def test_hyphenize
+    @flag = nil
+    assert_equal(%w"", no_error {@opt.parse!(%w"--with_underscore")})
+    assert_equal(true, @flag)
+    @flag = nil
+    assert_equal(%w"", no_error {@opt.parse!(%w"--with-underscore")})
+    assert_equal(true, @flag)
+    @flag = nil
+    assert_equal(%w"", no_error {@opt.parse!(%w"--with-hyphen")})
+    assert_equal(true, @flag)
+    @flag = nil
+    assert_equal(%w"", no_error {@opt.parse!(%w"--with_hyphen")})
+    assert_equal(true, @flag)
+  end
 end