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* ext/fiddle/fiddle.c: adding alignment constants for compatibility

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with DL.
* ext/fiddle/fiddle.h: ditto
* ext/fiddle/lib/fiddle/cparser.rb: importing the C parser for DL
  backwards compatibility.
* ext/fiddle/lib/fiddle/import.rb: importing the import DSL for DL
  backwards compatibility.
* ext/fiddle/lib/fiddle/pack.rb: importing structure pack for DL
  backwards compatibility.
* ext/fiddle/lib/fiddle/value.rb: ditto
* ext/fiddle/lib/fiddle/struct.rb: importing struct DSL for DL backwards
  compatibility.
* test/dl/test_c_struct_entry.rb: importing tests
* test/dl/test_c_union_entity.rb: ditto
* test/dl/test_cparser.rb: ditto
* test/dl/test_import.rb: ditto
* test/fiddle/test_c_struct_entry.rb: ditto
* test/fiddle/test_c_union_entity.rb: ditto
* test/fiddle/test_cparser.rb: ditto
* test/fiddle/test_import.rb: ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37914 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
tenderlove 2012-11-28 00:02:49 +00:00
parent 118d9f43c8
commit 0713f89944
16 changed files with 1316 additions and 61 deletions
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54
test/fiddle/test_c_struct_entry.rb Normal file
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require_relative 'helper'
require 'fiddle/struct'
module Fiddle
class TestCStructEntity < TestCase
def test_class_size
types = [TYPE_DOUBLE, TYPE_CHAR]
size = CStructEntity.size types
alignments = types.map { |type| PackInfo::ALIGN_MAP[type] }
expected = PackInfo.align 0, alignments[0]
expected += PackInfo::SIZE_MAP[TYPE_DOUBLE]
expected = PackInfo.align expected, alignments[1]
expected += PackInfo::SIZE_MAP[TYPE_CHAR]
expected = PackInfo.align expected, alignments.max
assert_equal expected, size
end
def test_class_size_with_count
size = CStructEntity.size([[TYPE_DOUBLE, 2], [TYPE_CHAR, 20]])
types = [TYPE_DOUBLE, TYPE_CHAR]
alignments = types.map { |type| PackInfo::ALIGN_MAP[type] }
expected = PackInfo.align 0, alignments[0]
expected += PackInfo::SIZE_MAP[TYPE_DOUBLE] * 2
expected = PackInfo.align expected, alignments[1]
expected += PackInfo::SIZE_MAP[TYPE_CHAR] * 20
expected = PackInfo.align expected, alignments.max
assert_equal expected, size
end
def test_set_ctypes
union = CStructEntity.malloc [TYPE_INT, TYPE_LONG]
union.assign_names %w[int long]
# this test is roundabout because the stored ctypes are not accessible
union['long'] = 1
union['int'] = 2
assert_equal 1, union['long']
assert_equal 2, union['int']
end
end
end