[ruby/fiddle] test memory-view: ensure releasing in test
It's for avoiding calling release on exit via GC. If it's happen, Ruby will be crashed because Fiddle::MemoryView's finalizer may refer other Ruby object. In exit phrase, the referred Ruby object may be already freed. https://github.com/ruby/fiddle/commit/02915f13de
This commit is contained in:
Sutou Kouhei
Hiroshi SHIBATA
parent
c991085176
commit
d2ec0e8039
@ -34,18 +34,22 @@ module Fiddle
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str = Marshal.load(Marshal.dump("hello world"))
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ptr = Pointer[str]
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mview = MemoryView.new(ptr)
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assert_same(ptr, mview.obj)
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assert_equal(str.bytesize, mview.byte_size)
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assert_equal(true, mview.readonly?)
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assert_equal(nil, mview.format)
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assert_equal(1, mview.item_size)
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assert_equal(1, mview.ndim)
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assert_equal(nil, mview.shape)
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assert_equal(nil, mview.strides)
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assert_equal(nil, mview.sub_offsets)
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begin
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assert_same(ptr, mview.obj)
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assert_equal(str.bytesize, mview.byte_size)
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assert_equal(true, mview.readonly?)
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assert_equal(nil, mview.format)
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assert_equal(1, mview.item_size)
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assert_equal(1, mview.ndim)
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assert_equal(nil, mview.shape)
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assert_equal(nil, mview.strides)
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assert_equal(nil, mview.sub_offsets)
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codes = str.codepoints
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assert_equal(codes, (0...str.bytesize).map {|i| mview[i] })
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codes = str.codepoints
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assert_equal(codes, (0...str.bytesize).map {|i| mview[i] })
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ensure
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mview.release
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end
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end
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def test_memory_view_multi_dimensional
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@ -57,17 +61,21 @@ module Fiddle
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shape = [3, 4]
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md = MemoryViewTestUtils::MultiDimensionalView.new(buf, "l!", shape, nil)
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mview = Fiddle::MemoryView.new(md)
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assert_equal(buf.bytesize, mview.byte_size)
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assert_equal("l!", mview.format)
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assert_equal(Fiddle::SIZEOF_LONG, mview.item_size)
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assert_equal(2, mview.ndim)
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assert_equal(shape, mview.shape)
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assert_equal([Fiddle::SIZEOF_LONG*4, Fiddle::SIZEOF_LONG], mview.strides)
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assert_equal(nil, mview.sub_offsets)
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assert_equal(1, mview[0, 0])
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assert_equal(4, mview[0, 3])
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assert_equal(6, mview[1, 1])
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assert_equal(10, mview[2, 1])
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begin
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assert_equal(buf.bytesize, mview.byte_size)
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assert_equal("l!", mview.format)
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assert_equal(Fiddle::SIZEOF_LONG, mview.item_size)
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assert_equal(2, mview.ndim)
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assert_equal(shape, mview.shape)
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assert_equal([Fiddle::SIZEOF_LONG*4, Fiddle::SIZEOF_LONG], mview.strides)
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assert_equal(nil, mview.sub_offsets)
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assert_equal(1, mview[0, 0])
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assert_equal(4, mview[0, 3])
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assert_equal(6, mview[1, 1])
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assert_equal(10, mview[2, 1])
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ensure
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mview.release
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end
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end
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def test_memory_view_multi_dimensional_with_strides
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@ -79,17 +87,21 @@ module Fiddle
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strides = [4*Fiddle::SIZEOF_LONG*2, Fiddle::SIZEOF_LONG*2]
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md = MemoryViewTestUtils::MultiDimensionalView.new(buf, "l!", shape, strides)
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mview = Fiddle::MemoryView.new(md)
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assert_equal("l!", mview.format)
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assert_equal(Fiddle::SIZEOF_LONG, mview.item_size)
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assert_equal(buf.bytesize, mview.byte_size)
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assert_equal(2, mview.ndim)
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assert_equal(shape, mview.shape)
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assert_equal(strides, mview.strides)
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assert_equal(nil, mview.sub_offsets)
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assert_equal(1, mview[0, 0])
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assert_equal(5, mview[0, 2])
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assert_equal(9, mview[1, 0])
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assert_equal(15, mview[1, 3])
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begin
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assert_equal("l!", mview.format)
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assert_equal(Fiddle::SIZEOF_LONG, mview.item_size)
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assert_equal(buf.bytesize, mview.byte_size)
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assert_equal(2, mview.ndim)
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assert_equal(shape, mview.shape)
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assert_equal(strides, mview.strides)
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assert_equal(nil, mview.sub_offsets)
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assert_equal(1, mview[0, 0])
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assert_equal(5, mview[0, 2])
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assert_equal(9, mview[1, 0])
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assert_equal(15, mview[1, 3])
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ensure
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mview.release
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end
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end
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def test_memory_view_multi_dimensional_with_multiple_members
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@ -101,17 +113,21 @@ module Fiddle
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strides = [4*Fiddle::SIZEOF_SHORT*2, Fiddle::SIZEOF_SHORT*2]
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md = MemoryViewTestUtils::MultiDimensionalView.new(buf, "ss", shape, strides)
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mview = Fiddle::MemoryView.new(md)
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assert_equal("ss", mview.format)
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assert_equal(Fiddle::SIZEOF_SHORT*2, mview.item_size)
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assert_equal(buf.bytesize, mview.byte_size)
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assert_equal(2, mview.ndim)
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assert_equal(shape, mview.shape)
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assert_equal(strides, mview.strides)
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assert_equal(nil, mview.sub_offsets)
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assert_equal([1, 2], mview[0, 0])
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assert_equal([5, 6], mview[0, 2])
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assert_equal([-1, -2], mview[1, 0])
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assert_equal([-7, -8], mview[1, 3])
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begin
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assert_equal("ss", mview.format)
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assert_equal(Fiddle::SIZEOF_SHORT*2, mview.item_size)
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assert_equal(buf.bytesize, mview.byte_size)
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assert_equal(2, mview.ndim)
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assert_equal(shape, mview.shape)
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assert_equal(strides, mview.strides)
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assert_equal(nil, mview.sub_offsets)
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assert_equal([1, 2], mview[0, 0])
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assert_equal([5, 6], mview[0, 2])
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assert_equal([-1, -2], mview[1, 0])
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assert_equal([-7, -8], mview[1, 3])
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ensure
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mview.release
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end
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end
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def test_export
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@ -135,9 +151,13 @@ module Fiddle
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data = "\u{3042}"
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ptr = Pointer[data]
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mview = MemoryView.new(ptr)
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string = mview.to_s
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assert_equal([data.b, true],
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[string, string.frozen?])
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begin
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string = mview.to_s
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assert_equal([data.b, true],
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[string, string.frozen?])
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ensure
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mview.release
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end
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end
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end
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end
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