[Octave-bug-tracker] [bug #54622] test importdata fails in dev octave with windows

[Philip Nienhuis]

Follow-up Comment #1, bug #54622 (project octave):

Confirmed.

There are more enigmas when running __run_test_suite__ atleast in Windows.
E.g., with histcounts.m (see patch #8801), I get two FAILS for histcounts but
afterwards:

:
>> test histcounts
***** test
 n = histcounts (rand (1, 42), "Normalization", "count");
 assert (sum(n), 42);
!!!!! test failed
ASSERT errors for:  assert (sum (n),42)

  Location  |  Observed  |  Expected  |  Reason
     ()           41           42        Abs err 1 exceeds tol 0 by 1
>> test histcounts
PASSES 15 out of 15 tests
>> test histcounts
PASSES 15 out of 15 tests


Maybe there are some hidden variables / functions / whatever not fully cleared
from memory?

Surely there's something fishy with importdata itself. After testing it,
histcounts first FAILs, but a second try passes all tests:

>> clear -f

>> test histcounts
PASSES 15 out of 15 tests

>> test importdata
***** test
 ## Exceptional values (Inf, NaN, NA)
 A = [3.1 Inf NA; -Inf NaN 128];
 fn  = tempname ();
 fid = fopen (fn, "w");
 fputs (fid, "3.1\tInf\tNA\n-Inf\tNaN\t128");
 fclose (fid);
 [a,d,h] = importdata (fn, '\t');
 unlink (fn);
 assert (a, A);
 assert (d, "\t");
 assert (h, 0);
!!!!! test failed
ASSERT errors for:  assert (a,A)

  Location  |  Observed  |  Expected  |  Reason
     .          O(1x1)       E(2x3)      Dimensions don't match

>> test histcounts
***** test
 n = histcounts (rand (1, 42), "Normalization", "cumcount");
 assert (n(end), 42);
!!!!! test failed
ASSERT errors for:  assert (n (end),42)

  Location  |  Observed  |  Expected  |  Reason
     ()           41           42        Abs err 1 exceeds tol 0 by 1

>> test histcounts
PASSES 15 out of 15 tests



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