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-rw-r--r--test/ruby/test_marshal.rb20
1 files changed, 20 insertions, 0 deletions
diff --git a/test/ruby/test_marshal.rb b/test/ruby/test_marshal.rb
index 9c9fd94..11f3583 100644
--- a/test/ruby/test_marshal.rb
+++ b/test/ruby/test_marshal.rb
@@ -45,4 +45,24 @@ class TestMarshal < Test::Unit::TestCase
assert_equal(a, b)
}
end
+
+ class C
+ def initialize(str)
+ @str = str
+ end
+ def _dump(limit)
+ @str
+ end
+ def self._load(s)
+ new(s)
+ end
+ end
+
+ def test_too_long_string
+ (data = Marshal.dump(C.new("a")))[-2, 1] = "\003\377\377\377"
+ e = assert_raise(ArgumentError, "[ruby-dev:32054]") {
+ Marshal.load(data)
+ }
+ assert_equal("marshal data too short", e.message)
+ end
end