Sha256: 8cc9008c61a4bf569b38b4bd81310bb098f6483b39a106f36985b96da563fa03
Contents?: true
Size: 1.98 KB
Versions: 36
Compression:
Stored size: 1.98 KB
Contents
require 'minitest/unit'
require 'enumerator'
require 'fs/ext3/block_pointers_path'
include Ext3
class TestBlockPointersPath < MiniTest::Unit::TestCase
NUM_INDIRECTS = 15
MAX_BLOCK = 3626
EXPECTED = [
0, [0, nil, nil, nil], :direct,
11, [11, nil, nil, nil], :direct,
12, [12, 0, nil, nil], :single_indirect,
13, [12, 1, nil, nil], :single_indirect,
26, [12, 14, nil, nil], :single_indirect,
27, [13, 0, 0, nil], :double_indirect,
28, [13, 0, 1, nil], :double_indirect,
41, [13, 0, 14, nil], :double_indirect,
42, [13, 1, 0, nil], :double_indirect,
251, [13, 14, 14, nil], :double_indirect,
252, [14, 0, 0, 0], :triple_indirect,
253, [14, 0, 0, 1], :triple_indirect,
266, [14, 0, 0, 14], :triple_indirect,
267, [14, 0, 1, 0], :triple_indirect,
476, [14, 0, 14, 14], :triple_indirect,
477, [14, 1, 0, 0], :triple_indirect,
MAX_BLOCK, [14, 14, 14, 14], :triple_indirect
]
def test_block_set
path = BlockPointersPath.new(NUM_INDIRECTS)
assert_raise(ArgumentError) { path.block = -1 }
assert_raise(ArgumentError) { path.block = MAX_BLOCK + 1 }
EXPECTED.each_slice(3) do |block, path_a, type|
path.block = block
assert_equal block, path.block
assert_equal path_a, path.to_a
assert_equal type, path.index_type
end
end
def test_succ!
path = BlockPointersPath.new(NUM_INDIRECTS)
EXPECTED.each_slice(3) do |block, path_a, type|
path.succ! until path.block == block
assert_equal block, path.block
assert_equal path_a, path.to_a
assert_equal type, path.index_type
break if block == MAX_BLOCK
end
assert_raise(RangeError) { path.succ! }
end
def test_path_to_block
path = BlockPointersPath.new(NUM_INDIRECTS)
EXPECTED.each_slice(3) do |block, _path_a, _type|
path.block = block
assert_equal block, path.send(:path_to_block)
end
end
end
Version data entries
36 entries across 36 versions & 1 rubygems