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-rw-r--r--ruby_1_8_6/ext/win32ole/tests/testNIL2VTEMPTY.rb28
1 files changed, 28 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/win32ole/tests/testNIL2VTEMPTY.rb b/ruby_1_8_6/ext/win32ole/tests/testNIL2VTEMPTY.rb
new file mode 100644
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+++ b/ruby_1_8_6/ext/win32ole/tests/testNIL2VTEMPTY.rb
@@ -0,0 +1,28 @@
+# This is test script to check that WIN32OLE should convert nil to VT_EMPTY in second try.
+# [ruby-talk:137054]
+
+require 'win32ole'
+require 'test/unit'
+
+class TestNIL2VT_EMPTY < Test::Unit::TestCase
+ def setup
+ fs = WIN32OLE.new('Scripting.FileSystemObject')
+ @path = fs.GetFolder(".").path
+ end
+ def test_openSchema
+ con = nil
+ begin
+ con = WIN32OLE.new('ADODB.Connection')
+ con.connectionString = "Provider=MSDASQL;Extended Properties="
+ con.connectionString +="\"DRIVER={Microsoft Text Driver (*.txt; *.csv)};DBQ=#{@path}\""
+ con.open
+ rescue
+ con = nil
+ end
+ if con
+ rs = con.openSchema(4, [nil,nil,"DUMMY", "TABLE"])
+ assert(rs)
+ end
+ end
+end
+