From 40cf3e0cca0a347bf8b6b44832fdcc358e068630 Mon Sep 17 00:00:00 2001 From: drbrain Date: Thu, 31 May 2012 00:27:34 +0000 Subject: * ext/dl/lib/dl/struct.rb (DL::CStructEntity::size): Refactored ::size to remove unused variables and simplify using newer ruby features. * test/dl/test_c_struct_entry.rb: Test to validate refactoring Reviewed by Aaron Patterson git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35850 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/dl/test_c_struct_entry.rb | 46 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 test/dl/test_c_struct_entry.rb (limited to 'test/dl') diff --git a/test/dl/test_c_struct_entry.rb b/test/dl/test_c_struct_entry.rb new file mode 100644 index 0000000000..3df6c368b8 --- /dev/null +++ b/test/dl/test_c_struct_entry.rb @@ -0,0 +1,46 @@ +require_relative 'test_base' + +require 'dl/cparser' + +class DL::TestCStructEntity < DL::TestBase + def test_class_size + types = [DL::TYPE_DOUBLE, DL::TYPE_CHAR] + + size = DL::CStructEntity.size types + + alignments = types.map { |type| DL::PackInfo::ALIGN_MAP[type] } + + expected = DL::PackInfo.align 0, alignments[0] + expected += DL::PackInfo::SIZE_MAP[DL::TYPE_DOUBLE] + + expected = DL::PackInfo.align expected, alignments[1] + expected += DL::PackInfo::SIZE_MAP[DL::TYPE_CHAR] + + expected = DL::PackInfo.align expected, alignments.max + + assert_equal expected, size + end + + def test_class_size_with_count + size = DL::CStructEntity.size([[DL::TYPE_DOUBLE, 2], [DL::TYPE_CHAR, 20]]) + + assert_equal DL::TYPE_DOUBLE * 2 + DL::SIZEOF_CHAR * 20, size + end + def test_class_size_with_count + size = DL::CStructEntity.size([[DL::TYPE_DOUBLE, 2], [DL::TYPE_CHAR, 20]]) + + types = [DL::TYPE_DOUBLE, DL::TYPE_CHAR] + alignments = types.map { |type| DL::PackInfo::ALIGN_MAP[type] } + + expected = DL::PackInfo.align 0, alignments[0] + expected += DL::PackInfo::SIZE_MAP[DL::TYPE_DOUBLE] * 2 + + expected = DL::PackInfo.align expected, alignments[1] + expected += DL::PackInfo::SIZE_MAP[DL::TYPE_CHAR] * 20 + + expected = DL::PackInfo.align expected, alignments.max + + assert_equal expected, size + end +end + -- cgit v1.2.3