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* test/ruby/test_marshal.rb: added tests for taintness/untrustness

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propagation.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nahi 2009-12-28 13:01:28 +00:00
parent 7844ea1c64
commit 26269cbd5d
2 changed files with 69 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Mon Dec 28 22:00:10 2009 NAKAMURA, Hiroshi <nahi@ruby-lang.org>
* test/ruby/test_marshal.rb: added tests for taintness/untrustness
propagation.
Mon Dec 28 18:13:26 2009 Yuki Sonoda (Yugui) <yugui@yugui.jp>
* sample/occur2.rb: reimplemented in modern style. [ruby-dev:39927].

64
test/ruby/test_marshal.rb
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@ -193,6 +193,70 @@ class TestMarshal < Test::Unit::TestCase
assert_equal(true, y.untrusted?)
end
def test_taint_and_untrust_each_object
x = Object.new
obj = [[x]]
# clean object causes crean stream
assert_equal(false, obj.tainted?)
assert_equal(false, obj.untrusted?)
assert_equal(false, obj.first.tainted?)
assert_equal(false, obj.first.untrusted?)
assert_equal(false, obj.first.first.tainted?)
assert_equal(false, obj.first.first.untrusted?)
s = Marshal.dump(obj)
assert_equal(false, s.tainted?)
assert_equal(false, s.untrusted?)
# tainted/untrusted object causes tainted/untrusted stream
x.taint
x.untrust
assert_equal(false, obj.tainted?)
assert_equal(false, obj.untrusted?)
assert_equal(false, obj.first.tainted?)
assert_equal(false, obj.first.untrusted?)
assert_equal(true, obj.first.first.tainted?)
assert_equal(true, obj.first.first.untrusted?)
t = Marshal.dump(obj)
assert_equal(true, t.tainted?)
assert_equal(true, t.untrusted?)
# clean stream causes clean objects
assert_equal(false, s.tainted?)
assert_equal(false, s.untrusted?)
y = Marshal.load(s)
assert_equal(false, y.tainted?)
assert_equal(false, y.untrusted?)
assert_equal(false, y.first.tainted?)
assert_equal(false, y.first.untrusted?)
assert_equal(false, y.first.first.tainted?)
assert_equal(false, y.first.first.untrusted?)
# tainted/untrusted stream causes tainted/untrusted objects
assert_equal(true, t.tainted?)
assert_equal(true, t.untrusted?)
y = Marshal.load(t)
assert_equal(true, y.tainted?)
assert_equal(true, y.untrusted?)
assert_equal(true, y.first.tainted?)
assert_equal(true, y.first.untrusted?)
assert_equal(true, y.first.first.tainted?)
assert_equal(true, y.first.first.untrusted?)
# same tests by different senario
s.taint
s.untrust
assert_equal(true, s.tainted?)
assert_equal(true, s.untrusted?)
y = Marshal.load(s)
assert_equal(true, y.tainted?)
assert_equal(true, y.untrusted?)
assert_equal(true, y.first.tainted?)
assert_equal(true, y.first.untrusted?)
assert_equal(true, y.first.first.tainted?)
assert_equal(true, y.first.first.untrusted?)
end
def test_symbol
[:ruby, :"\u{7d05}\u{7389}"].each do |sym|
assert_equal(sym, Marshal.load(Marshal.dump(sym)), '[ruby-core:24788]')