ruby/test/dl/test_c_union_entity.rb

32 строки
715 B
Ruby

require_relative 'test_base'
require 'dl/struct'
module DL
class TestCUnionEntity < TestBase
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
union = CUnionEntity.malloc [TYPE_INT, TYPE_LONG]
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