Update to ruby/spec@517f06f

1 files changed, 21 insertions, 0 deletions

diff --git a/spec/ruby/library/io-wait/wait_writable_spec.rb b/spec/ruby/library/io-wait/wait_writable_spec.rb
index 8c44780d39..8639dd717b 100644
--- a/spec/ruby/library/io-wait/wait_writable_spec.rb
+++ b/spec/ruby/library/io-wait/wait_writable_spec.rb
@@ -1,4 +1,5 @@
 require_relative '../../spec_helper'
+require_relative '../../fixtures/io'
 
 ruby_version_is ''...'3.2' do
   require 'io/wait'
@@ -17,4 +18,24 @@ describe "IO#wait_writable" do
     # Represents one year and is larger than a 32-bit int
     STDOUT.wait_writable(365 * 24 * 60 * 60).should == STDOUT
   end
+
+  it "can be interrupted" do
+    rd, wr = IO.pipe
+    IOSpec.exhaust_write_buffer(wr)
+    start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
+
+    t = Thread.new do
+      wr.wait_writable(10)
+    end
+
+    Thread.pass until t.stop?
+    t.kill
+    t.join
+
+    finish = Process.clock_gettime(Process::CLOCK_MONOTONIC)
+    (finish - start).should < 9
+  ensure
+    rd.close unless rd.closed?
+    wr.close unless wr.closed?
+  end
 end