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(* Test save_offset_to.
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* $Id: 65_save_offset_to.ml 142 2008-07-17 15:45:56Z richard.wm.jones $
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let make_bits p i n j m k = (
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let pad0 = ones_bitstring p in
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let pad1 = ones_bitstring (n-8) in
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let pad2 = ones_bitstring (m-n-8) in
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pad0 : p : bitstring; (* will be skipped below *)
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pad1 : n-8 : bitstring;
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j : 8; (* this should be at offset(n) *)
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pad2 : m-n-8 : bitstring;
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k : 8 (* this should be at offset(m) *)
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let test_bits bits p i n j m k =
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(* Skip the 'p' padding bits so the match starts at a non-zero offset. *)
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let bits = dropbits p bits in
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j' : 8 : save_offset_to (j_offset);
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_ : m-n-8 : bitstring;
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k' : 8 : save_offset_to (k_offset) }
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when i = i' && j = j' && k = k' && j_offset = n && k_offset = m ->
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"65_save_offset_to: test_bits: failed %d %d %d %d %d %d"
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List.iter (fun (i,j,k) -> test_bits (make_bits p i n j m k) p i n j m k)
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[0x55, 0xaa, 0x33; 0x33, 0xaa, 0x55; 0x12, 0x34, 0x56]
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tests/65_save_offset_to.ml
