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#
# This file is part of ruby-ffi.
# For licensing, see LICENSE.SPECS
#
require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
describe FFI::Struct do
it "packed :char followed by :int should have size of 5" do
expect(Class.new(FFI::Struct) do
packed
layout :c, :char, :i, :int
end.size).to eq(5)
end
it "packed :char followed by :int should have alignment of 1" do
expect(Class.new(FFI::Struct) do
packed
layout :c, :char, :i, :int
end.alignment).to eq(1)
end
it "packed(2) :char followed by :int should have size of 6" do
expect(Class.new(FFI::Struct) do
packed 2
layout :c, :char, :i, :int
end.size).to eq(6)
end
it "packed(2) :char followed by :int should have alignment of 2" do
expect(Class.new(FFI::Struct) do
packed 2
layout :c, :char, :i, :int
end.alignment).to eq(2)
end
it "packed :short followed by int should have size of 6" do
expect(Class.new(FFI::Struct) do
packed
layout :s, :short, :i, :int
end.size).to eq(6)
end
it "packed :short followed by int should have alignment of 1" do
expect(Class.new(FFI::Struct) do
packed
layout :s, :short, :i, :int
end.alignment).to eq(1)
end
end
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