tests for [Bug #9599]

* test/dl/test_{cptr,handle}.rb: tests for [Bug #9599].

* test/fiddle/test_{handle,pointer}.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/dl/test_cptr.rb

@@ -219,4 +219,8 @@ module DL
       assert_raise(DLError) {nullpo[0] = 1}
     end
   end
+
+  def test_no_memory_leak
+    assert_no_memory_leak(%w[-W0 -rdl.so], '', '100_000.times {DL::CPtr.allocate}', limit: 1.2)
+  end
 end

test/dl/test_handle.rb

@@ -184,4 +184,8 @@ module DL
       DL.dlopen("/lib/libc.so.7").sym('strcpy')
     end if /freebsd/=~ RUBY_PLATFORM
   end
+
+  def test_no_memory_leak
+    assert_no_memory_leak(%w[-W0 -rdl.so], '', '100_000.times {DL::Handle.allocate}; GC.start', limit: 1.2)
+  end
 end

test/fiddle/test_handle.rb

@@ -1,5 +1,6 @@
 begin
   require_relative 'helper'
+  require_relative '../ruby/envutil'
 rescue LoadError
 end
 
@@ -7,6 +8,8 @@ module Fiddle
   class TestHandle < TestCase
     include Fiddle
 
+    include Test::Unit::Assertions
+
     def test_to_i
       handle = Fiddle::Handle.new(LIBC_SO)
       assert_kind_of Integer, handle.to_i
@@ -185,5 +188,9 @@ module Fiddle
       Socket.gethostbyname("localhost")
       Fiddle.dlopen("/lib/libc.so.7").sym('strcpy')
     end if /freebsd/=~ RUBY_PLATFORM
+
+    def test_no_memory_leak
+      assert_no_memory_leak(%w[-W0 -rfiddle.so], '', '100_000.times {Fiddle::Handle.allocate}; GC.start', limit: 1.2)
+    end
   end
 end if defined?(Fiddle)

test/fiddle/test_pointer.rb

@@ -230,5 +230,9 @@ module Fiddle
       assert_raise(DLError) {nullpo[0]}
       assert_raise(DLError) {nullpo[0] = 1}
     end
+
+    def test_no_memory_leak
+      assert_no_memory_leak(%w[-W0 -rfiddle.so], '', '100_000.times {Fiddle::Pointer.allocate}', limit: 1.2)
+    end
   end
 end if defined?(Fiddle)