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
|
#
# This file is part of ruby-ffi.
#
# This code is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License version 3 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
# version 3 for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# version 3 along with this work. If not, see <http://www.gnu.org/licenses/>.
#
require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
describe "functions returning :strptr" do
it "can attach function with :strptr return type" do
lambda do
Module.new do
extend FFI::Library
ffi_lib FFI::Library::LIBC
if !FFI::Platform.windows?
attach_function :strdup, [ :string ], :strptr
else
attach_function :_strdup, [ :string ], :strptr
end
end
end.should_not raise_error
end
module StrPtr
extend FFI::Library
ffi_lib FFI::Library::LIBC
attach_function :free, [ :pointer ], :void
if !FFI::Platform.windows?
attach_function :strdup, [ :string ], :strptr
else
attach_function :strdup, :_strdup, [ :string ], :strptr
end
end
it "should return [ String, Pointer ]" do
result = StrPtr.strdup("test")
result[0].is_a?(String).should be_true
result[1].is_a?(FFI::Pointer).should be_true
end
it "should return the correct value" do
result = StrPtr.strdup("test")
result[0].should eq "test"
end
it "should return non-NULL pointer" do
result = StrPtr.strdup("test")
result[1].null?.should be_false
end
end
|
