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authordrbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-05-31 00:27:34 +0000
committerdrbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-05-31 00:27:34 +0000
commit40cf3e0cca0a347bf8b6b44832fdcc358e068630 (patch)
tree757203a8a6c5f037be504951548a85d734ffd64c /test/dl
parent0381ab07694668c4420307a6d8e9f0265ed9c56d (diff)
* 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
Diffstat (limited to 'test/dl')
-rw-r--r--test/dl/test_c_struct_entry.rb46
1 files changed, 46 insertions, 0 deletions
diff --git a/test/dl/test_c_struct_entry.rb b/test/dl/test_c_struct_entry.rb
new file mode 100644
index 0000000..3df6c36
--- /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
+