2012-11-29 06:58:34 +04:00
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# -*- coding: us-ascii -*-
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2012-05-31 04:27:34 +04:00
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require_relative 'test_base'
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2012-11-29 06:58:34 +04:00
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EnvUtil.suppress_warning {require 'dl/struct'}
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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module DL
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class TestCStructEntity < TestBase
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def test_class_size
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types = [TYPE_DOUBLE, TYPE_CHAR]
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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size = CStructEntity.size types
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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alignments = types.map { |type| PackInfo::ALIGN_MAP[type] }
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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expected = PackInfo.align 0, alignments[0]
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expected += PackInfo::SIZE_MAP[TYPE_DOUBLE]
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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expected = PackInfo.align expected, alignments[1]
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expected += PackInfo::SIZE_MAP[TYPE_CHAR]
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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expected = PackInfo.align expected, alignments.max
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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assert_equal expected, size
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end
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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def test_class_size_with_count
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size = CStructEntity.size([[TYPE_DOUBLE, 2], [TYPE_CHAR, 20]])
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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types = [TYPE_DOUBLE, TYPE_CHAR]
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alignments = types.map { |type| PackInfo::ALIGN_MAP[type] }
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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expected = PackInfo.align 0, alignments[0]
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expected += PackInfo::SIZE_MAP[TYPE_DOUBLE] * 2
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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expected = PackInfo.align expected, alignments[1]
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expected += PackInfo::SIZE_MAP[TYPE_CHAR] * 20
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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expected = PackInfo.align expected, alignments.max
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2012-05-31 04:27:34 +04:00
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2012-11-28 04:02:49 +04:00
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assert_equal expected, size
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end
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2012-06-01 02:07:09 +04:00
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2012-11-28 04:02:49 +04:00
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def test_set_ctypes
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union = CStructEntity.malloc [TYPE_INT, TYPE_LONG]
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union.assign_names %w[int long]
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2012-06-01 02:07:09 +04:00
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2012-11-28 04:02:49 +04:00
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# this test is roundabout because the stored ctypes are not accessible
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union['long'] = 1
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union['int'] = 2
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2012-06-01 02:07:09 +04:00
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2012-11-28 04:02:49 +04:00
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assert_equal 1, union['long']
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assert_equal 2, union['int']
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end
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2012-06-01 02:07:09 +04:00
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end
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2012-05-31 04:27:34 +04:00
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end
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