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4b1df2ae45
* ext/dl/lib/dl/value.rb: ditto * test/dl/test_c_struct_entry.rb: remove strange require order from tests. * test/dl/test_c_union_entity.rb: ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37391 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
53 lines
1.4 KiB
Ruby
53 lines
1.4 KiB
Ruby
require_relative 'test_base'
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require 'dl/struct'
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class DL::TestCStructEntity < DL::TestBase
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def test_class_size
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types = [DL::TYPE_DOUBLE, DL::TYPE_CHAR]
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size = DL::CStructEntity.size types
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alignments = types.map { |type| DL::PackInfo::ALIGN_MAP[type] }
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expected = DL::PackInfo.align 0, alignments[0]
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expected += DL::PackInfo::SIZE_MAP[DL::TYPE_DOUBLE]
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expected = DL::PackInfo.align expected, alignments[1]
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expected += DL::PackInfo::SIZE_MAP[DL::TYPE_CHAR]
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expected = DL::PackInfo.align expected, alignments.max
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assert_equal expected, size
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end
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def test_class_size_with_count
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size = DL::CStructEntity.size([[DL::TYPE_DOUBLE, 2], [DL::TYPE_CHAR, 20]])
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types = [DL::TYPE_DOUBLE, DL::TYPE_CHAR]
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alignments = types.map { |type| DL::PackInfo::ALIGN_MAP[type] }
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expected = DL::PackInfo.align 0, alignments[0]
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expected += DL::PackInfo::SIZE_MAP[DL::TYPE_DOUBLE] * 2
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expected = DL::PackInfo.align expected, alignments[1]
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expected += DL::PackInfo::SIZE_MAP[DL::TYPE_CHAR] * 20
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expected = DL::PackInfo.align expected, alignments.max
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assert_equal expected, size
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end
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def test_set_ctypes
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union = DL::CStructEntity.malloc [DL::TYPE_INT, DL::TYPE_LONG]
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union.assign_names %w[int long]
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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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assert_equal 1, union['long']
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assert_equal 2, union['int']
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end
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end
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