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-rw-r--r--ChangeLog6
-rw-r--r--string.c11
-rw-r--r--test/ruby/test_m17n.rb8
3 files changed, 23 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 3a47b885b5..c7d6b6754b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Dec 15 16:19:23 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
+
+ * string.c (rb_enc_str_coderange): dummy wchar, non-endianness
+ encoding string cannot be ascii only.
+ [ruby-core:66835] [Bug #10598]
+
Sun Dec 14 20:11:42 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (primary): restore current_arg so that circular
diff --git a/string.c b/string.c
index 9006abdfac..9053835ee2 100644
--- a/string.c
+++ b/string.c
@@ -487,8 +487,15 @@ rb_enc_str_coderange(VALUE str)
int cr = ENC_CODERANGE(str);
if (cr == ENC_CODERANGE_UNKNOWN) {
- rb_encoding *enc = STR_ENC_GET(str);
- cr = coderange_scan(RSTRING_PTR(str), RSTRING_LEN(str), enc);
+ int encidx = ENCODING_GET(str);
+ rb_encoding *enc = rb_enc_from_index(encidx);
+ if (rb_enc_mbminlen(enc) > 1 && rb_enc_dummy_p(enc)) {
+ cr = ENC_CODERANGE_BROKEN;
+ }
+ else {
+ cr = coderange_scan(RSTRING_PTR(str), RSTRING_LEN(str),
+ get_actual_encoding(encidx, str));
+ }
ENC_CODERANGE_SET(str, cr);
}
return cr;
diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index bbaf31f52a..99450723cf 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -260,6 +260,14 @@ class TestM17N < Test::Unit::TestCase
end
end
+ def test_utf_without_bom_asciionly
+ bug10598 = '[ruby-core:66835] [Bug #10598]'
+ encs = [Encoding::UTF_16, Encoding::UTF_32].find_all {|enc|
+ "abcd".force_encoding(enc).ascii_only?
+ }
+ assert_empty(encs, bug10598)
+ end
+
def test_object_utf16_32_inspect
EnvUtil.suppress_warning do
begin