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require 'test/unit'
module TestEOF
def test_eof_0
open_file("") {|f|
assert_equal("", f.read(0))
assert_equal("", f.read(0))
assert_equal("", f.read)
assert_equal(nil, f.read(0))
assert_equal(nil, f.read(0))
}
open_file("") {|f|
assert_equal(nil, f.read(1))
assert_equal(nil, f.read)
assert_equal(nil, f.read(1))
}
end
def test_eof_0_rw
return unless respond_to? :open_file_rw
open_file_rw("") {|f|
assert_equal("", f.read)
assert_equal(nil, f.read)
assert_equal(0, f.syswrite(""))
assert_equal(nil, f.read)
}
end
def test_eof_1
open_file("a") {|f|
assert_equal("", f.read(0))
assert_equal("a", f.read(1))
assert_equal("" , f.read(0))
assert_equal("" , f.read(0))
assert_equal("", f.read)
assert_equal(nil, f.read(0))
assert_equal(nil, f.read(0))
}
open_file("a") {|f|
assert_equal("a", f.read(1))
assert_equal(nil, f.read(1))
}
open_file("a") {|f|
assert_equal("a", f.read(2))
assert_equal(nil, f.read(1))
assert_equal(nil, f.read)
assert_equal(nil, f.read(1))
}
open_file("a") {|f|
assert_equal("a", f.read)
assert_equal(nil, f.read(1))
assert_equal(nil, f.read)
assert_equal(nil, f.read(1))
}
end
end
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