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Contents
#
# 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")
p2.get_string(0).should == "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
p2.get_string(0).should == "est123"
p1.get_string(0).should == "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
p2.get_string(0).should == "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
s2[:i].should == 0x12345
s1[:i].should == 0x98765
end
end
Version data entries
39 entries across 37 versions & 8 rubygems