dlntest.dll: move

* ext/-test-/win32/dln/{depend,extconf.rb} (dlntest.dll): make
  under the extension directory, instead of the top directory.

* test/-ext-/win32/test_dln.rb (test_check_imported): explicit
  PATH environment variable to load the DLL.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/-test-/win32/dln/depend

@@ -1,8 +1,8 @@
 $(TARGET_SO): $(DLNTESTLIB)
 
-$(DLNTESTLIB): $(topdir)/dlntest.dll
+$(DLNTESTLIB): dlntest.dll
 
-$(topdir)/dlntest.dll: libdlntest.o libdlntest.def
+dlntest.dll: libdlntest.o libdlntest.def
 	$(ECHO) linking shared-object $(@F)
 	-$(Q)$(RM) $@
 	-$(Q)$(MAKEDIRS) $(@D)

ext/-test-/win32/dln/extconf.rb

@@ -4,7 +4,7 @@ if $mingw or $mswin
   $LOCAL_LIBS << " #{dlntestlib}"
   $srcs = ["dlntest.c"]
   $objs = ["dlntest.o"]
-  testdll = "$(topdir)/dlntest.dll"
+  testdll = "dlntest.dll"
   $cleanfiles << testdll
   $cleanfiles << "dlntest.#{$LIBEXT}"
   config_string('cleanobjs') {|t| $cleanfiles.concat(t.gsub(/\$\*/, 'dlntest').split)}
@@ -13,8 +13,8 @@ if $mingw or $mswin
     m << "\n""DLNTESTLIB = #{dlntestlib}\n"
     if $mingw
       m << "\n"
-      m << "$(topdir)/dlntest.dll: DEFFILE := $(srcdir)/libdlntest.def\n"
-      m << "$(topdir)/dlntest.dll: DLDFLAGS += -Wl,--out-implib,$(DLNTESTLIB)\n"
+      m << "dlntest.dll: DEFFILE := $(srcdir)/libdlntest.def\n"
+      m << "dlntest.dll: DLDFLAGS += -Wl,--out-implib,$(DLNTESTLIB)\n"
     end
     m
   end

test/-ext-/win32/test_dln.rb

@@ -8,7 +8,11 @@ module Bug
     class TestDln < Test::Unit::TestCase
       def test_check_imported
         bug = '[Bug #6303]'
-        assert_in_out_err(['-r-test-/win32/dln', '-eexit'], '', [], [], bug, timeout: 10)
+        so = File.expand_path("../ext/-test-/win32/dln/dlntest.dll", EnvUtil.rubybin)
+        assert_send([File, :file?, so])
+        path = ENV['PATH']
+        path = File.dirname(so) + RbConfig::CONFIG["PATH_SEPARATOR"] + path
+        assert_in_out_err([{'PATH'=>path}, '-r-test-/win32/dln', '-eexit'], '', [], [], bug, timeout: 10)
       end
 
       def test_nonascii_load