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authordrbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-04-18 23:48:27 +0000
committerdrbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-04-18 23:48:27 +0000
commitab0eb272f9e73123211574081aa8a0943678d80d (patch)
tree5fd6a149c40d1ffd25eb2531beb30fa17566a6d8 /test/ruby/test_argf.rb
parentaa883f84da4f3e4e82ecf2feaddca31d015f590e (diff)
* io.c (io_readpartial): Document the output buffer parameter is
overwritten with the read contents even when non-empty. Patch by yu nobuoka. [ruby-trunk - Bug #6285] * io.c (io_read_nonblock): ditto. * io.c (io_read): ditto. * io.c (rb_io_sysread): ditto. * io.c (argf_read): ditto. * io.c (argf_readpartial): ditto. * ext/stringio/stringio.c (strio_read): ditto. * test/ruby/test_argf.rb (class TestArgf): Add test for existing behavior of read outbuf. * test/ruby/test_io.rb (class TestIO): ditto. * test/stringio/test_stringio.rb (class TestStringIO): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35391 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby/test_argf.rb')
-rw-r--r--test/ruby/test_argf.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/ruby/test_argf.rb b/test/ruby/test_argf.rb
index 2f1ddf5391a..284f34259ed 100644
--- a/test/ruby/test_argf.rb
+++ b/test/ruby/test_argf.rb
@@ -446,6 +446,16 @@ class TestArgf < Test::Unit::TestCase
end
end
+ def test_read2_with_not_empty_buffer
+ ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
+ s = "0123456789"
+ ARGF.read(8, s)
+ p s
+ SRC
+ assert_equal("\"1\\n2\\n3\\n4\\n\"\n", f.read)
+ end
+ end
+
def test_read3
ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
nil while ARGF.gets
@@ -463,6 +473,8 @@ class TestArgf < Test::Unit::TestCase
loop do
s << ARGF.readpartial(1)
t = ""; ARGF.readpartial(1, t); s << t
+ # not empty buffer
+ u = "abcdef"; ARGF.readpartial(1, u); s << u
end
rescue EOFError
puts s