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# -*- encoding: utf-8 -*-
#
# This file is part of ruby-ffi.
# For licensing, see LICENSE.SPECS
#
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
expect 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.not_to 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")
expect(result[0]).to be_kind_of(String)
expect(result[1]).to be_kind_of(FFI::Pointer)
end
it "should return the correct value" do
result = StrPtr.strdup("testü")
expect(result[0]).to eq("testü".b)
end
it "should return correct pointer" do
result = StrPtr.strdup("testö")
expect(result[1]).not_to be_null
expect(result[1].read_string).to eq("testö".b)
end
end
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