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require 'test/unit/testsuite'
require 'test/unit/testcase'
begin
require 'dbm'
rescue LoadError
end
if defined? DBM
require 'tmpdir'
require 'fileutils'
class TestDBM < Test::Unit::TestCase
TMPROOT = "#{Dir.tmpdir}/ruby-dbm.#{$$}"
def setup
Dir.mkdir TMPROOT
end
def teardown
FileUtils.rm_rf TMPROOT if File.directory?(TMPROOT)
end
def test_reader_open
DBM.open("#{TMPROOT}/a") {}
v = DBM.open("#{TMPROOT}/a", nil, DBM::READER) {|d|
# Errno::EPERM is raised on Solaris which use ndbm.
# DBMError is raised on Debian which use gdbm.
assert_raises(Errno::EPERM, DBMError) { d["k"] = "v" }
true
}
assert(v)
end
def test_newdb_open
DBM.open("#{TMPROOT}/a") {|dbm|
dbm["k"] = "v"
}
v = DBM.open("#{TMPROOT}/a", nil, DBM::NEWDB) {|d|
assert_equal(0, d.length)
assert_nil(d["k"])
true
}
assert(v)
end
def test_freeze
DBM.open("#{TMPROOT}/a") {|d|
d.freeze
assert_raises(TypeError) { d["k"] = "v" }
}
end
end
end
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