diff options
Diffstat (limited to 'test/stringio')
-rw-r--r-- | test/stringio/test_stringio.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/stringio/test_stringio.rb b/test/stringio/test_stringio.rb index a99ccf4302..3cf7f42bc5 100644 --- a/test/stringio/test_stringio.rb +++ b/test/stringio/test_stringio.rb @@ -187,6 +187,31 @@ class TestStringIO < Test::Unit::TestCase assert_equal(Encoding::UTF_8, s.encoding, "honor the original encoding over ASCII-8BIT") end + def test_write_encoding_conversion + convertible = "\u{3042}" + inconvertible = "\u{1f363}" + conversion_encoding = Encoding::Windows_31J + + s = StringIO.new.set_encoding(conversion_encoding) + s.write(convertible) + assert_equal(conversion_encoding, s.string.encoding) + all_assertions do |a| + [ + inconvertible, + convertible + inconvertible, + [convertible, inconvertible], + ["a", inconvertible], + ].each do |data| + a.for(data.inspect) do + s = StringIO.new.set_encoding(conversion_encoding) + assert_raise(Encoding::CompatibilityError) do + s.write(*data) + end + end + end + end + end + def test_write_integer_overflow f = StringIO.new f.pos = RbConfig::LIMITS["LONG_MAX"] |