struct.c: not_a_member message

* struct.c (not_a_member): extract name error and use same error
  messages.  based on the patch by Marcus Stollsteimer <sto.mar AT
  web.de> at [ruby-core:61721].  [Bug #9684]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45462 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/test/-ext-/struct/test_member.rb b/test/-ext-/struct/test_member.rb
new file mode 100644
index 0000000000..002941c95d
--- /dev/null
+++ b/test/-ext-/struct/test_member.rb
@@ -0,0 +1,12 @@
+require 'test/unit'
+require "-test-/struct"
+
+class  Bug::Struct::Test_Member < Test::Unit::TestCase
+  S = Bug::Struct.new(:a)
+
+  def test_member_get
+    s = S.new(1)
+    assert_equal(1, s.get(:a))
+    assert_raise_with_message(NameError, /is not a struct member/) {s.get(:b)}
+  end
+end