From 3e7d002118a92fad5934e11c75be6768a1476c1b Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 11 Jul 2019 19:20:53 +0900
Subject: Check exception flag as a bool [Bug #15987]

---
 test/ruby/test_io.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

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

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 4f66685f9b..3c5dc7671a 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -1509,6 +1509,12 @@ class TestIO < Test::Unit::TestCase
     }
   end if have_nonblock?
 
+  def test_read_nonblock_invalid_exception
+    with_pipe {|r, w|
+      assert_raise(ArgumentError) {r.read_nonblock(4096, exception: 1)}
+    }
+  end if have_nonblock?
+
   def test_read_nonblock_no_exceptions
     skip '[ruby-core:90895] MJIT worker may leave fd open in a forked child' if RubyVM::MJIT.enabled? # TODO: consider acquiring GVL from MJIT worker.
     with_pipe {|r, w|
@@ -1545,6 +1551,12 @@ class TestIO < Test::Unit::TestCase
     }
   end if have_nonblock?
 
+  def test_write_nonblock_invalid_exception
+    with_pipe {|r, w|
+      assert_raise(ArgumentError) {w.write_nonblock(4096, exception: 1)}
+    }
+  end if have_nonblock?
+
   def test_write_nonblock_no_exceptions
     with_pipe {|r, w|
       loop {
-- 
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