From edea151a4bae78a57efdb67d73a22ba52421952c Mon Sep 17 00:00:00 2001
From: normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 27 Dec 2015 06:15:06 +0000
Subject: IO#readpartial rejects bad args

Sometimes a sleepy developer will want to swap read_nonblock
for readpartial forget to remove "exception: false"

* io.c (io_getpartial): remove unused kwarg from template
* test/ruby/test_io.rb (test_readpartial_bad_args): new
  [Bug #11885]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test/ruby/test_io.rb')

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 766804eb2e..2b79acea09 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -3186,6 +3186,17 @@ End
     }
   end
 
+  def test_readpartial_bad_args
+    IO.pipe do |r, w|
+      w.write '.'
+      buf = String.new
+      assert_raise(ArgumentError) { r.readpartial(1, buf, exception: false) }
+      assert_raise(TypeError) { r.readpartial(1, exception: false) }
+      assert_equal [[r],[],[]], IO.select([r], nil, nil, 1)
+      assert_equal '.', r.readpartial(1)
+    end
+  end
+
   def test_sysread_unlocktmp_ensure
     bug8669 = '[ruby-core:56121] [Bug #8669]'
 
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