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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::Type do
it 'has a memsize function', skip: RUBY_ENGINE != "ruby" do
base_size = ObjectSpace.memsize_of(Object.new)
size = ObjectSpace.memsize_of(FFI::Type.new(42))
expect(size).to be > base_size
base_size = size
converter = Module.new do
extend FFI::DataConverter
def self.native_type
@native_type_called = true
FFI::Type::INT32
end
def self.to_native(val, ctx)
@to_native_called = true
ToNativeMap[val]
end
def self.from_native(val, ctx)
@from_native_called = true
FromNativeMap[val]
end
end
size = ObjectSpace.memsize_of(FFI::Type::Mapped.new(converter))
expect(size).to be > base_size
base_size = size
# Builtin types are larger as they also have a name and own ffi_type
size = ObjectSpace.memsize_of(FFI::Type::Builtin::CHAR)
expect(size).to be > base_size
end
it "should be shareable with Ractor", :ractor do
expect(Ractor.shareable?(FFI::Type.new(5))).to eq(true)
end
describe :Builtin do
it "should be shareable with Ractor", :ractor do
expect(Ractor.shareable?(FFI::Type::INT32)).to eq(true)
end
end
describe :Mapped do
it "should be shareable with Ractor", :ractor do
converter = Module.new do
extend FFI::DataConverter
def self.native_type
FFI::Type::INT32
end
def self.to_native(val, ctx)
ToNativeMap[val]
end
def self.from_native(val, ctx)
FromNativeMap[val]
end
end
expect(Ractor.shareable?(converter)).to eq(true)
type = FFI::Type::Mapped.new(converter)
expect(Ractor.shareable?(type)).to eq(true)
end
end
end
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