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-rw-r--r--ChangeLog5
-rw-r--r--io.c3
-rw-r--r--test/ruby/test_io_m17n.rb58
3 files changed, 62 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index 32ad9b45e0..9be3c460a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Sep 6 07:24:49 2008 Tanaka Akira <akr@fsij.org>
+
+ * io.c (rb_io_extract_modeenc): raise an error for ASCII incompatible
+ encoding without binmode.
+
Sat Sep 6 06:28:46 2008 Tanaka Akira <akr@fsij.org>
* enc/trans/escape.trans: new file.
diff --git a/io.c b/io.c
index 472c161751..1833835cc9 100644
--- a/io.c
+++ b/io.c
@@ -3898,6 +3898,9 @@ rb_io_extract_modeenc(VALUE *vmode_p, VALUE opthash,
if ((fmode & FMODE_BINMODE) && (fmode & FMODE_TEXTMODE))
rb_raise(rb_eArgError, "both textmode and binmode specified");
+ if (enc && !rb_enc_asciicompat(enc) && !(fmode & FMODE_BINMODE))
+ rb_raise(rb_eArgError, "ASCII incompatible encoding needs binmode");
+
*vmode_p = vmode;
*oflags_p = oflags;
diff --git a/test/ruby/test_io_m17n.rb b/test/ruby/test_io_m17n.rb
index 550d163bc2..39f3112d69 100644
--- a/test/ruby/test_io_m17n.rb
+++ b/test/ruby/test_io_m17n.rb
@@ -1227,10 +1227,34 @@ EOT
def test_textmode_read_ascii_incompat_internal
with_tmpdir {
+ # ascii incompatible internal encoding needs binmode.
+ assert_raise(ArgumentError) {
+ open("t.utf8.crlf", "rt:utf-8:utf-16be") {|f| }
+ }
+ assert_raise(ArgumentError) {
+ open("t.utf8.crlf", "r:utf-8:utf-16be") {|f| }
+ }
+ assert_raise(ArgumentError) {
+ open("t.utf16.crlf", "rt:utf-16be") {|f| }
+ }
+ assert_raise(ArgumentError) {
+ open("t.utf16.crlf", "r:utf-16be") {|f| }
+ }
+ }
+ end
+
+ def test_binmode_read_ascii_incompat_internal
+ with_tmpdir {
generate_file("t.utf8.crlf", "a\r\nb\r\n")
- open("t.utf8.crlf", "rt:utf-8:utf-16be") {|f|
+ generate_file("t.utf16.crlf", "\0a\0\r\0\n\0b\0\r\0\n")
+ # ascii incompatible internal encoding needs binmode.
+ open("t.utf8.crlf", "rb:utf-8:utf-16be") {|f|
+ content = f.read
+ assert_equal("\0a\0\r\0\n\0b\0\r\0\n".force_encoding("UTF-16BE"),
+ content)
+ }
+ open("t.utf16.crlf", "rb:utf-16be") {|f|
content = f.read
- # textmode doesn't affect for ascii incompatible internal encoding.
assert_equal("\0a\0\r\0\n\0b\0\r\0\n".force_encoding("UTF-16BE"),
content)
}
@@ -1239,12 +1263,38 @@ EOT
def test_textmode_write_ascii_incompat_internal
with_tmpdir {
- open("t.utf8.lf", "wt:utf-8:utf-16be") {|f|
+ # ascii incompatible internal encoding needs binmode.
+ assert_raise(ArgumentError) {
+ open("t.utf8", "wt:utf-8:utf-16be") {|f| }
+ }
+ assert_raise(ArgumentError) {
+ open("t.utf8", "w:utf-8:utf-16be") {|f| }
+ }
+ assert_raise(ArgumentError) {
+ open("t.utf8", "w:utf-8:utf-16be") {|f| }
+ }
+ assert_raise(ArgumentError) {
+ open("t.utf16", "wt:utf-16be") {|f| }
+ }
+ assert_raise(ArgumentError) {
+ open("t.utf16", "w:utf-16be") {|f| }
+ }
+ }
+ end
+
+ def test_binmode_write_ascii_incompat_internal
+ with_tmpdir {
+ open("t.utf8.lf", "wb:utf-8:utf-16be") {|f|
f.print "\0a\0\n\0b\0\n".force_encoding("UTF-16BE")
}
content = File.read("t.utf8.lf", :mode=>"rb:ascii-8bit")
- # textmode doesn't affect for ascii incompatible internal encoding.
assert_equal("a\nb\n", content)
+
+ open("t.utf8.lf", "wb:utf-16be") {|f|
+ f.print "\0a\0\n\0b\0\n".force_encoding("UTF-16BE")
+ }
+ content = File.read("t.utf8.lf", :mode=>"rb:ascii-8bit")
+ assert_equal("\0a\0\n\0b\0\n", content)
}
end