1 files changed, 110 insertions, 0 deletions
diff --git a/tool/test/webrick/test_utils.rb b/tool/test/webrick/test_utils.rb
new file mode 100644
index 0000000000..c2b7a36e8a
--- /dev/null
+++ b/tool/test/webrick/test_utils.rb
@@ -0,0 +1,110 @@
+# frozen_string_literal: false
+require "test/unit"
+require "webrick/utils"
+
+class TestWEBrickUtils < Test::Unit::TestCase
+  def teardown
+    WEBrick::Utils::TimeoutHandler.terminate
+    super
+  end
+
+  def assert_expired(m)
+    Thread.handle_interrupt(Timeout::Error => :never, EX => :never) do
+      assert_empty(m::TimeoutHandler.instance.instance_variable_get(:@timeout_info))
+    end
+  end
+
+  def assert_not_expired(m)
+    Thread.handle_interrupt(Timeout::Error => :never, EX => :never) do
+      assert_not_empty(m::TimeoutHandler.instance.instance_variable_get(:@timeout_info))
+    end
+  end
+
+  EX = Class.new(StandardError)
+
+  def test_no_timeout
+    m = WEBrick::Utils
+    assert_equal(:foo, m.timeout(10){ :foo })
+    assert_expired(m)
+  end
+
+  def test_nested_timeout_outer
+    m = WEBrick::Utils
+    i = 0
+    assert_raise(Timeout::Error){
+      m.timeout(1){
+        assert_raise(Timeout::Error){ m.timeout(0.1){ i += 1; sleep(1) } }
+        assert_not_expired(m)
+        i += 1
+        sleep(2)
+      }
+    }
+    assert_equal(2, i)
+    assert_expired(m)
+  end
+
+  def test_timeout_default_exception
+    m = WEBrick::Utils
+    assert_raise(Timeout::Error){ m.timeout(0.01){ sleep } }
+    assert_expired(m)
+  end
+
+  def test_timeout_custom_exception
+    m = WEBrick::Utils
+    ex = EX
+    assert_raise(ex){ m.timeout(0.01, ex){ sleep } }
+    assert_expired(m)
+  end
+
+  def test_nested_timeout_inner_custom_exception
+    m = WEBrick::Utils
+    ex = EX
+    i = 0
+    assert_raise(ex){
+      m.timeout(10){
+        m.timeout(0.01, ex){ i += 1; sleep }
+      }
+      sleep
+    }
+    assert_equal(1, i)
+    assert_expired(m)
+  end
+
+  def test_nested_timeout_outer_custom_exception
+    m = WEBrick::Utils
+    ex = EX
+    i = 0
+    assert_raise(Timeout::Error){
+      m.timeout(0.01){
+        m.timeout(1.0, ex){ i += 1; sleep }
+      }
+      sleep
+    }
+    assert_equal(1, i)
+    assert_expired(m)
+  end
+
+  def test_create_listeners
+    addr = listener_address(0)
+    port = addr.slice!(1)
+    assert_kind_of(Integer, port, "dynamically chosen port number")
+    assert_equal(["AF_INET", "127.0.0.1", "127.0.0.1"], addr)
+
+    assert_equal(["AF_INET", port, "127.0.0.1", "127.0.0.1"],
+                 listener_address(port),
+                 "specific port number")
+
+    assert_equal(["AF_INET", port, "127.0.0.1", "127.0.0.1"],
+                 listener_address(port.to_s),
+                 "specific port number string")
+  end
+
+  def listener_address(port)
+    listeners = WEBrick::Utils.create_listeners("127.0.0.1", port)
+    srv = listeners.first
+    assert_kind_of TCPServer, srv
+    srv.addr
+  ensure
+    listeners.each(&:close) if listeners
+  end
+end