* ext/dl/lib/dl/struct.rb (DL::CUnionEntity::size): Fixed ::size to

  return the size of the union.
* test/dl/test_c_union_entity.rb:  Test for DL::CUnionEntity::size

Reviewed by Aaron Patterson


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35848 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 18 insertions, 0 deletions

diff --git a/test/dl/test_c_union_entity.rb b/test/dl/test_c_union_entity.rb
new file mode 100644
index 0000000000..8c72a664eb
--- /dev/null
+++ b/test/dl/test_c_union_entity.rb
@@ -0,0 +1,18 @@
+require_relative 'test_base'
+
+require 'dl/cparser'
+
+class DL::TestCUnionEntity < DL::TestBase
+  def test_class_size
+    size = DL::CUnionEntity.size([DL::TYPE_DOUBLE, DL::TYPE_CHAR])
+
+    assert_equal DL::SIZEOF_DOUBLE, size
+  end
+
+  def test_class_size_with_count
+    size = DL::CUnionEntity.size([[DL::TYPE_DOUBLE, 2], [DL::TYPE_CHAR, 20]])
+
+    assert_equal DL::SIZEOF_CHAR * 20, size
+  end
+end
+