* lib/tempfile.rb: provide default basename parameter.

  [fix GH-523] Patch by @dissolved
* test/test_tempfile.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49129 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 12 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 8b895dcc60..a02b4f1a22 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sun Jan  4 09:18:31 2015  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* lib/tempfile.rb: provide default basename parameter.
+	  [fix GH-523] Patch by @dissolved
+	* test/test_tempfile.rb: ditto.
+
 Sun Jan  4 00:43:41 2015  Ayumu AIZAWA  <ayumu.aizawa@gmail.com>
 
 	* README.ja.md: add guidance of mailing list and bugs.r-l.o.
diff --git a/lib/tempfile.rb b/lib/tempfile.rb
index 64441511fe..47151732c3 100644
--- a/lib/tempfile.rb
+++ b/lib/tempfile.rb
@@ -122,7 +122,7 @@ class Tempfile < DelegateClass(File)
   #
   # If Tempfile.new cannot find a unique filename within a limited
   # number of tries, then it will raise an exception.
-  def initialize(basename, tmpdir=nil, mode: 0, **options)
+  def initialize(basename="", tmpdir=nil, mode: 0, **options)
     if block_given?
       warn "Tempfile.new doesn't call the given block."
     end
diff --git a/test/test_tempfile.rb b/test/test_tempfile.rb
index 2fe62d37c5..6bba13473c 100644
--- a/test/test_tempfile.rb
+++ b/test/test_tempfile.rb
@@ -57,6 +57,11 @@ class TestTempfile < Test::Unit::TestCase
     assert_match(/^foo/, File.basename(t.path))
   end
 
+  def test_default_basename
+    t = tempfile
+    assert File.exist?(t.path)
+  end
+
   def test_basename_with_suffix
     t = tempfile(["foo", ".txt"])
     assert_match(/^foo/, File.basename(t.path))