diff options
Diffstat (limited to 'test/ruby/test_string.rb')
| -rw-r--r-- | test/ruby/test_string.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb index eba0256439..4bee19bca3 100644 --- a/test/ruby/test_string.rb +++ b/test/ruby/test_string.rb @@ -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 |