blob: 9287611f7fcb6ae42e87b164c3720a25030b63b5 (
plain)
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
|
require_relative '../../../spec_helper'
describe :io_buffer_xor, shared: true do
it "applies the argument buffer as an XOR bit mask across the whole buffer" do
IO::Buffer.for(+"12345") do |buffer|
IO::Buffer.for(+"\xF8\x8F") do |mask|
result = buffer.send(@method, mask)
result.get_string.should == "\xC9\xBD\xCB\xBB\xCD".b
result.free
end
end
end
it "ignores extra parts of mask if it is longer than source buffer" do
IO::Buffer.for(+"12345") do |buffer|
IO::Buffer.for(+"\xF8\x8F\x00\x00\x00\xFF\xFF") do |mask|
result = buffer.send(@method, mask)
result.get_string.should == "\xC9\xBD345".b
result.free
end
end
end
it "raises TypeError if mask is not an IO::Buffer" do
IO::Buffer.for(+"12345") do |buffer|
-> { buffer.send(@method, "\xF8\x8F") }.should.raise(TypeError, "wrong argument type String (expected IO::Buffer)")
-> { buffer.send(@method, 0xF8) }.should.raise(TypeError, "wrong argument type Integer (expected IO::Buffer)")
-> { buffer.send(@method, nil) }.should.raise(TypeError, "wrong argument type nil (expected IO::Buffer)")
end
end
end
describe "IO::Buffer#^" do
it_behaves_like :io_buffer_xor, :^
it "creates a new internal buffer of the same size" do
IO::Buffer.for(+"12345") do |buffer|
IO::Buffer.for(+"\xF8\x8F") do |mask|
result = buffer ^ mask
result.should_not.equal? buffer
result.should.internal?
result.size.should == buffer.size
result.free
buffer.get_string.should == "12345".b
end
end
end
end
describe "IO::Buffer#xor!" do
it_behaves_like :io_buffer_xor, :xor!
it "modifies the buffer in place" do
IO::Buffer.for(+"12345") do |buffer|
IO::Buffer.for(+"\xF8\x8F") do |mask|
result = buffer.xor!(mask)
result.should.equal? buffer
result.should.external?
end
end
end
end
|
