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test_io.rb: IO.write test

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* test/ruby/test_io.rb (test_s_write): test for IO.write.  more
  conditions will be needed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-12-16 10:25:14 +00:00
parent 9ae9f7c9d3
commit 5515c5642e
1 changed files with 16 additions and 0 deletions
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16
test/ruby/test_io.rb
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@ -2968,4 +2968,20 @@ End
ensure
t.kill
end
def test_s_write
t = Tempfile.new("test_io")
t.close
path = t.path
File.unlink(path)
IO.write(path, "foo")
assert_equal("foo", IO.read(path))
IO.write(path, "bar", 2)
assert_equal("fobar", IO.read(path))
File.unlink(path)
IO.write(path, "foo", encoding: Encoding::UTF_32BE)
assert_equal("\0\0\0f\0\0\0o\0\0\0o", File.binread(path))
ensure
t.close!
end
end