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3 # The author disclaims copyright to this source code.  In place of
29 #   This test file attempts to verify that SQLite does not read past the 
32 #   that contains an offset to some other structure within the same page
33 #   is set to too large a value. A database page contains the following
36 #     1. The page header field that contains the offset to the first 
40 #        list (the offset to the next free block).
43 #        (implicitly defines the offset to the final element in the cell offset
46 #     4. The page header field containing the offset to the start of the cell
52 #        stored within the page, and hence the offset to the final byte of
55 #   If any of the above fields are set to too large a value, then a buffer
57 #   strategically corrupted database files to attempt to provoke such buffer
62 #   (or similar) in order to verify that no overreads occur.
66 #   Test cases corruptD-1.* are white-box tests. They attempt to corrupt
70 #   Offset variables 1, 2, 3 and 4 are all checked to make sure they
73 #   page initialization, as trying to do so causes a performance hit.