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Contents
require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
describe "Custom type definitions" do
it "attach_function with custom typedef" do
module CustomTypedef
extend FFI::Library
ffi_lib TestLibrary::PATH
typedef :uint, :fubar_t
attach_function :ret_u32, [ :fubar_t ], :fubar_t
end
CustomTypedef.ret_u32(0x12345678).should == 0x12345678
end
it "variadic invoker with custom typedef" do
module VariadicCustomTypedef
extend FFI::Library
ffi_lib TestLibrary::PATH
typedef :uint, :fubar_t
attach_function :pack_varargs, [ :buffer_out, :string, :varargs ], :void
end
buf = FFI::Buffer.new :uint, 10
VariadicCustomTypedef.pack_varargs(buf, "i", :fubar_t, 0x12345678)
buf.get_int64(0).should == 0x12345678
end
it "Callback with custom typedef parameter" do
module CallbackCustomTypedef
extend FFI::Library
ffi_lib TestLibrary::PATH
typedef :uint, :fubar3_t
callback :cbIrV, [ :fubar3_t ], :void
attach_function :testCallbackU32rV, :testClosureIrV, [ :cbIrV, :fubar3_t ], :void
end
i = 0
CallbackCustomTypedef.testCallbackU32rV(0xdeadbeef) { |v| i = v }
i.should == 0xdeadbeef
end
module StructCustomTypedef
extend FFI::Library
ffi_lib TestLibrary::PATH
typedef :uint, :fubar3_t
class S < FFI::Struct
layout :a, :fubar3_t
end
end
it "Struct with custom typedef field" do
s = StructCustomTypedef::S.new
s[:a] = 0x12345678
s.pointer.get_uint(0).should == 0x12345678
end
end
Version data entries
32 entries across 32 versions & 5 rubygems