* ext/dl/handle.c (rb_dlhandle_close) check return value of dlclose()

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25458 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 13 insertions, 0 deletions

diff --git a/test/dl/test_handle.rb b/test/dl/test_handle.rb
index d46e16c084..fed9da4f85 100644
--- a/test/dl/test_handle.rb
+++ b/test/dl/test_handle.rb
@@ -2,6 +2,19 @@ require 'test_base'
 
 module DL
   class TestHandle < TestBase
+    def test_handle_close
+      handle = DL::Handle.new(LIBC_SO)
+      assert_equal 0, handle.close
+    end
+
+    def test_handle_close_twice
+      handle = DL::Handle.new(LIBC_SO)
+      handle.close
+      assert_raises(DL::DLError) do
+        handle.close
+      end
+    end
+
     def test_dlopen_returns_handle
       assert_instance_of DL::Handle, dlopen(LIBC_SO)
     end