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test_io.rb: test with holes

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* test/ruby/test_io.rb (test_seek, test_seek_symwhence): add tests
  of SEEK_DATA and SEEK_HOLE with holes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45659 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-04-22 02:27:17 +00:00
parent 28747c6720
commit c37ac198fc
1 changed files with 20 additions and 0 deletions
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20
test/ruby/test_io.rb
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@ -1696,12 +1696,22 @@ class TestIO < Test::Unit::TestCase
f.seek(0, IO::SEEK_DATA)
assert_equal("foo\nbar\nbaz\n", f.read)
}
open(t.path, 'r+') { |f|
pos = f.pos
f.seek(100*1024, IO::SEEK_SET)
f.print("zot\n")
f.seek(50*1024, IO::SEEK_DATA)
assert_operator(f.pos, :>=, 50*1024)
assert_match(/\A\0*zot\n\z/, f.read)
}
end
if defined?(IO::SEEK_HOLE)
open(t.path) { |f|
assert_equal("foo\n", f.gets)
f.seek(0, IO::SEEK_HOLE)
assert_operator(f.pos, :>, 20)
f.seek(100*1024, IO::SEEK_HOLE)
assert_equal("", f.read)
}
end
@ -1732,12 +1742,22 @@ class TestIO < Test::Unit::TestCase
f.seek(0, :DATA)
assert_equal("foo\nbar\nbaz\n", f.read)
}
open(t.path, 'r+') { |f|
pos = f.pos
f.seek(100*1024, :SET)
f.print("zot\n")
f.seek(50*1024, :DATA)
assert_operator(f.pos, :>=, 50*1024)
assert_match(/\A\0*zot\n\z/, f.read)
}
end
if defined?(IO::SEEK_HOLE)
open(t.path) { |f|
assert_equal("foo\n", f.gets)
f.seek(0, :HOLE)
assert_operator(f.pos, :>, 20)
f.seek(100*1024, :HOLE)
assert_equal("", f.read)
}
end