bitarray/test/test_bit_array_file.rb at dc9ff9b937eb8e1608d43e175b8f2ecdcbe3578d · peterc/bitarray · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
require "minitest/autorun"
require "tempfile"
require_relative "../lib/bitarray"

class TestBitArrayFile < Minitest::Test
  def setup
    ba = BitArray.new(35)
    [1, 5, 6, 7, 10, 16, 33].each { |i| ba[i] = 1}
    @file = Tempfile.new("bit_array_file.dat")
    ba.dump(@file)
    @file.rewind
  end

  def teardown
    @file.close
    @file.unlink
  end

  def test_from_filename
    baf = BitArrayFile.new(filename: @file.path)
    for i in 0...35
      expected = [1, 5, 6, 7, 10, 16, 33].include?(i) ? 1 : 0
      assert_equal expected, baf[i]
    end
  end

  def test_from_io
    baf = BitArrayFile.new(io: @file)
    for i in 0...35
      expected = [1, 5, 6, 7, 10, 16, 33].include?(i) ? 1 : 0
      assert_equal expected, baf[i]
    end
  end
end

class TestBitArrayFileWhenNonReversedByte < Minitest::Test
  def setup
    ba = BitArray.new(35, reverse_byte: false)
    [1, 5, 6, 7, 10, 16, 33].each { |i| ba[i] = 1}
    @file = Tempfile.new("bit_array_file.dat")
    ba.dump(@file)
    @file.rewind
  end

  def teardown
    @file.close
    @file.unlink
  end

  def test_from_filename
    baf = BitArrayFile.new(filename: @file.path)
    for i in 0...35
      expected = [1, 5, 6, 7, 10, 16, 33].include?(i) ? 1 : 0
      assert_equal expected, baf[i]
    end
  end

  def test_from_io
    baf = BitArrayFile.new(io: @file)
    for i in 0...35
      expected = [1, 5, 6, 7, 10, 16, 33].include?(i) ? 1 : 0
      assert_equal expected, baf[i]
    end
  end
end