зеркало из https://github.com/github/ruby.git
56 строки
1.5 KiB
Ruby
56 строки
1.5 KiB
Ruby
# -*- coding: us-ascii -*-
|
|
require_relative 'test_base'
|
|
|
|
EnvUtil.suppress_warning {require 'dl/struct'}
|
|
|
|
module DL
|
|
class TestCStructEntity < TestBase
|
|
def test_class_size
|
|
types = [TYPE_DOUBLE, TYPE_CHAR]
|
|
|
|
size = CStructEntity.size types
|
|
|
|
alignments = types.map { |type| PackInfo::ALIGN_MAP[type] }
|
|
|
|
expected = PackInfo.align 0, alignments[0]
|
|
expected += PackInfo::SIZE_MAP[TYPE_DOUBLE]
|
|
|
|
expected = PackInfo.align expected, alignments[1]
|
|
expected += PackInfo::SIZE_MAP[TYPE_CHAR]
|
|
|
|
expected = PackInfo.align expected, alignments.max
|
|
|
|
assert_equal expected, size
|
|
end
|
|
|
|
def test_class_size_with_count
|
|
size = CStructEntity.size([[TYPE_DOUBLE, 2], [TYPE_CHAR, 20]])
|
|
|
|
types = [TYPE_DOUBLE, TYPE_CHAR]
|
|
alignments = types.map { |type| PackInfo::ALIGN_MAP[type] }
|
|
|
|
expected = PackInfo.align 0, alignments[0]
|
|
expected += PackInfo::SIZE_MAP[TYPE_DOUBLE] * 2
|
|
|
|
expected = PackInfo.align expected, alignments[1]
|
|
expected += PackInfo::SIZE_MAP[TYPE_CHAR] * 20
|
|
|
|
expected = PackInfo.align expected, alignments.max
|
|
|
|
assert_equal expected, size
|
|
end
|
|
|
|
def test_set_ctypes
|
|
union = CStructEntity.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
|
|
union['int'] = 2
|
|
|
|
assert_equal 1, union['long']
|
|
assert_equal 2, union['int']
|
|
end
|
|
end
|
|
end
|