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* string.c (tr_trans): should not be affected by the encoding of

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replacement unless actually modified.  [ruby-talk:328967]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22505 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-02-22 05:33:07 +00:00
parent 0ec57a60af
commit bc59123dc0
3 changed files with 31 additions and 6 deletions
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7
test/ruby/test_string.rb
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@ -1395,6 +1395,9 @@ class TestString < Test::Unit::TestCase
assert_equal(S("hippo"), S("hello").tr(S("el"), S("ip")))
assert_equal(S("*e**o"), S("hello").tr(S("^aeiou"), S("*")))
assert_equal(S("hal"), S("ibm").tr(S("b-z"), S("a-z")))
a = "abc".force_encoding(Encoding::US_ASCII)
assert_equal(Encoding::US_ASCII, a.tr(S("z"), S("\u0101")).encoding)
end
def test_tr!
@ -1415,6 +1418,10 @@ class TestString < Test::Unit::TestCase
a = S("ibm")
assert_nil(a.tr!(S("B-Z"), S("A-Z")))
assert_equal(S("ibm"), a)
a = "abc".force_encoding(Encoding::US_ASCII)
assert_nil(a.tr!(S("z"), S("\u0101")))
assert_equal(Encoding::US_ASCII, a.encoding)
end
def test_tr_s