1 files changed, 58 insertions, 0 deletions
diff --git a/test/ruby/test_io_timeout.rb b/test/ruby/test_io_timeout.rb
new file mode 100644
index 0000000000..e017395980
--- /dev/null
+++ b/test/ruby/test_io_timeout.rb
@@ -0,0 +1,58 @@
+# frozen_string_literal: false
+
+require 'io/nonblock'
+
+class TestIOTimeout < Test::Unit::TestCase
+  def with_pipe
+    omit "UNIXSocket is not defined!" unless defined?(UNIXSocket)
+
+    begin
+      i, o = UNIXSocket.pair
+
+      yield i, o
+    ensure
+      i.close
+      o.close
+    end
+  end
+
+  def test_timeout_attribute
+    with_pipe do |i, o|
+      assert_nil i.timeout
+
+      i.timeout = 10
+      assert_equal 10, i.timeout
+      assert_nil o.timeout
+
+      o.timeout = 20
+      assert_equal 20, o.timeout
+      assert_equal 10, i.timeout
+    end
+  end
+
+  def test_timeout_read_exception
+    with_pipe do |i, o|
+      i.timeout = 0.0001
+
+      assert_raise(IO::TimeoutError) {i.read}
+    end
+  end
+
+  def test_timeout_gets_exception
+    with_pipe do |i, o|
+      i.timeout = 0.0001
+
+      assert_raise(IO::TimeoutError) {i.gets}
+    end
+  end
+
+  def test_timeout_puts
+    with_pipe do |i, o|
+      i.timeout = 0.0001
+      o.puts("Hello World")
+      o.close
+
+      assert_equal "Hello World", i.gets.chomp
+    end
+  end
+end