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test_stringio.rb: test_initialize

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* test/stringio/test_stringio.rb (test_initialize): add test for
  StringIO#initialize.  [ruby-core:72585] [Feature #11920]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53378 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-12-29 23:44:01 +00:00
parent 7e85d487fe
commit 3586aef4b8
2 changed files with 26 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Dec 30 08:43:59 2015 Yuki Kurihara <co000ri@gmail.com>
* test/stringio/test_stringio.rb (test_initialize): add test for
StringIO#initialize. [ruby-core:72585] [Feature #11920]
Wed Dec 30 05:19:24 2015 Eric Wong <e@80x24.org>
* class.c (struct clone_const_arg): adjust for id_table

21
test/stringio/test_stringio.rb
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@ -13,6 +13,27 @@ class TestStringIO < Test::Unit::TestCase
include TestEOF::Seek
def test_initialize
assert_kind_of StringIO, StringIO.new
assert_kind_of StringIO, StringIO.new('str')
assert_kind_of StringIO, StringIO.new('str', 'r+')
assert_raise(ArgumentError) { StringIO.new('', 'x') }
assert_raise(ArgumentError) { StringIO.new('', 'rx') }
assert_raise(ArgumentError) { StringIO.new('', 'rbt') }
assert_raise(TypeError) { StringIO.new(nil) }
assert_raise(TypeError) { StringIO.new('str', nil) }
o = Object.new
def o.to_str
nil
end
assert_raise(TypeError) { StringIO.new(o) }
def o.to_str
'str'
end
assert_kind_of StringIO, StringIO.new(o)
end
def test_truncate
io = StringIO.new("")
io.puts "abc"