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-rw-r--r--ChangeLog7
-rw-r--r--io.c2
-rw-r--r--test/ruby/test_io.rb16
3 files changed, 16 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index 4552b43b46..daa1192989 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Sat Mar 6 10:03:35 2010 Yusuke Endoh <mame@tsg.ne.jp>
+
+ * io.c (rb_io_s_binwrite): use mode "r+b" instead of "ab" to handle
+ offset correctly. [ruby-core:28517]
+
+ * test/ruby/test_io.rb: use assert_equal instead of assert.
+
Sat Mar 6 01:08:54 2010 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/Makefile.sub (config.h): VC6 has __int64.
diff --git a/io.c b/io.c
index 3c64944c76..dcf411c433 100644
--- a/io.c
+++ b/io.c
@@ -8025,7 +8025,7 @@ rb_io_s_binwrite(int argc, VALUE *argv, VALUE io)
rb_scan_args(argc, argv, "21", NULL, &warg.str, &offset);
if (!NIL_P(offset)) {
NUM2OFFT(offset);
- mode = "ab:ASCII-8BIT";
+ mode = "r+b:ASCII-8BIT";
}
else {
mode = "wb:ASCII-8BIT";
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 6ea128a880..cab270d447 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -1518,13 +1518,13 @@ End
path = t.path
t.close(false)
File.write(path, "foo\nbar\nbaz")
- assert("foo\nbar\nbaz", File.read(path))
+ assert_equal("foo\nbar\nbaz", File.read(path))
File.write(path, "FOO", 0)
- assert("FOO\nbar\nbaz", File.read(path))
+ assert_equal("FOO\nbar\nbaz", File.read(path))
File.write(path, "BAR")
- assert("BAR", File.read(path))
+ assert_equal("BAR", File.read(path))
File.write(path, "\u{3042}", mode: "w", encoding: "EUC-JP")
- assert("\u{3042}".encode("EUC-JP"), File.read(path, encoding: "EUC-JP"))
+ assert_equal("\u{3042}".encode("EUC-JP"), File.read(path, encoding: "EUC-JP"))
t.unlink
end
@@ -1533,13 +1533,13 @@ End
path = t.path
t.close(false)
File.binwrite(path, "foo\nbar\nbaz")
- assert("foo\nbar\nbaz", File.read(path))
+ assert_equal("foo\nbar\nbaz", File.read(path))
File.binwrite(path, "FOO", 0)
- assert("FOO\nbar\nbaz", File.read(path))
+ assert_equal("FOO\nbar\nbaz", File.read(path))
File.binwrite(path, "BAR")
- assert("BAR", File.read(path))
+ assert_equal("BAR", File.read(path))
File.binwrite(path, "\u{3042}")
- assert("\u{3042}", File.read(path, encoding: "EUC-JP"))
+ assert_equal("\u{3042}", File.read(path))
t.unlink
end
end