blob: 8b5fd5dec67e41e9ac47ed8f9f27db3676c9fc1e (
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
|
#
# This file is part of ruby-ffi.
# For licensing, see LICENSE.SPECS
#
require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
describe "Pointer#dup" do
it "clone should be independent" do
p1 = FFI::MemoryPointer.new(:char, 1024)
p1.put_string(0, "test123");
p2 = p1.dup
p1.put_string(0, "deadbeef")
expect(p2.get_string(0)).to eq("test123")
end
it "sliced pointer can be cloned" do
p1 = FFI::MemoryPointer.new(:char, 1024)
p1.put_string(0, "test123");
p2 = p1[1].dup
# first char will be excised
expect(p2.get_string(0)).to eq("est123")
expect(p1.get_string(0)).to eq("test123")
end
it "sliced pointer when cloned is independent" do
p1 = FFI::MemoryPointer.new(:char, 1024)
p1.put_string(0, "test123");
p2 = p1[1].dup
p1.put_string(0, "deadbeef")
# first char will be excised
expect(p2.get_string(0)).to eq("est123")
end
end
describe "Struct#dup" do
it "clone should be independent" do
s = Class.new(FFI::Struct) do
layout :i, :int
end
s1 = s.new
s1[:i] = 0x12345
s2 = s1.dup
s1[:i] = 0x98765
expect(s2[:i]).to eq(0x12345)
expect(s1[:i]).to eq(0x98765)
end
end
|
