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ruby--ruby/test/fiddle/test_c_union_entity.rb
Kenta Murata 9b0c36b390
Import fiddle-1.0.4 (#3860)
I don't use tool/sync_default_gem.rb because the last sync was incomplete.

Co-authored-by: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Co-authored-by: Alan Wu <XrXr@users.noreply.github.com>
Co-authored-by: sinisterchipmunk <sinisterchipmunk@gmail.com>
Co-authored-by: Sutou Kouhei <kou@clear-code.com>
2020-12-11 09:41:12 +09:00

36 lines
846 B
Ruby

# frozen_string_literal: true
begin
require_relative 'helper'
require 'fiddle/struct'
rescue LoadError
end
module Fiddle
class TestCUnionEntity < TestCase
def test_class_size
size = CUnionEntity.size([TYPE_DOUBLE, TYPE_CHAR])
assert_equal SIZEOF_DOUBLE, size
end
def test_class_size_with_count
size = CUnionEntity.size([[TYPE_DOUBLE, 2], [TYPE_CHAR, 20]])
assert_equal SIZEOF_CHAR * 20, size
end
def test_set_ctypes
CUnionEntity.malloc([TYPE_INT, TYPE_LONG], Fiddle::RUBY_FREE) do |union|
union.assign_names %w[int long]
# this test is roundabout because the stored ctypes are not accessible
union['long'] = 1
assert_equal 1, union['long']
union['int'] = 1
assert_equal 1, union['int']
end
end
end
end if defined?(Fiddle)