From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/test/thread/test_sync.rb | 63 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 jni/ruby/test/thread/test_sync.rb

(limited to 'jni/ruby/test/thread/test_sync.rb')

diff --git a/jni/ruby/test/thread/test_sync.rb b/jni/ruby/test/thread/test_sync.rb
new file mode 100644
index 0000000..9509cac
--- /dev/null
+++ b/jni/ruby/test/thread/test_sync.rb
@@ -0,0 +1,63 @@
+require 'test/unit'
+require 'sync'
+require 'timeout'
+
+class SyncTest < Test::Unit::TestCase
+  class Tester
+    include Sync_m
+  end
+
+  def test_sync_lock_and_wakeup
+    tester = Tester.new
+
+    tester.sync_lock(:EX)
+
+    t = Thread.new { tester.sync_lock(:EX) }
+
+    sleep 0.1 until t.stop?
+    t.wakeup
+    sleep 0.1 until t.stop?
+
+    assert_equal(tester.sync_waiting.uniq, tester.sync_waiting)
+  ensure
+    t.kill
+    t.join
+  end
+
+  def test_sync_upgrade_and_wakeup
+    tester = Tester.new
+    tester.sync_lock(:SH)
+
+    t = Thread.new do
+      tester.sync_lock(:SH)
+      tester.sync_lock(:EX)
+    end
+
+    sleep 0.1 until t.stop?
+    t.wakeup
+    sleep 0.1 until t.stop?
+
+    tester.sync_upgrade_waiting.each { |ary|
+      assert(!tester.sync_waiting.include?(ary[0]))
+    }
+    assert_equal(tester.sync_waiting.uniq, tester.sync_waiting)
+    assert_equal(tester.sync_waiting, [])
+  ensure
+    t.kill
+    t.join
+  end
+
+  def test_sync_lock_and_raise
+    tester= Tester.new
+    tester.sync_lock(:EX)
+
+    t = Thread.new { tester.sync_lock(:EX) }
+
+    sleep 0.1 until t.stop?
+    t.raise
+    sleep 0.1 while t.alive?
+
+    assert_equal(tester.sync_waiting.uniq, tester.sync_waiting)
+    assert_equal(tester.sync_waiting, [])
+  end
+end
-- 
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