56 lines
1.3 KiB
Scheme
56 lines
1.3 KiB
Scheme
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; test memory limits in TS
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; TS is known to be non-robust in face of memory exhaustion.
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; See Manual.txt which says "TinyScheme is known to misbehave when memory is exhausted."
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; numeric constants from tinyscheme-private.h
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; There is no document (only the source code itself)
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; explaining the limits.
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; The limits here are from experiments.
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; These only test the limits.
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; Methods on the objects (string, vector, etc.) are tested elsewhere.
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; Symbol limits
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; There is no defined limit on count of symbols.
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; The objlist is a hash table, entries allocated from cells.
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; The lists in the hash table are practically unlimited.
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; String limits
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; Strings are malloced.
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; Limit on string size derives from OS malloc limits.
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; No practical limit in ScriptFu.
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; Seems to work
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; (make-string 260000 #\A)
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; Vector limits.
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; A vector is contiguous cells.
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; TS allocates in segments.
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; A vector can be no larger than two segments?
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; succeeds
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(assert '(make-vector 25000))
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; REPL shows as #(() () ... ()) i.e. a vector of NIL, not initialized
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; might not crash?
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(define testVector (make-vector 25001))
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; ????
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(assert `(vector-fill! ,testVector 1))
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; seems to hang
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; (assert '(make-vector 50001))
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; seems to crash
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; (assert '(make-vector 200000))
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