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add more tests involving negative quantities

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@10129 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Linas Vepstas 2004-07-02 03:11:09 +00:00
parent 0ccd82473b
commit 56059a5a22
1 changed files with 50 additions and 1 deletions
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51
src/engine/test/test-numeric.c
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@ -400,12 +400,60 @@ check_add_subtract (void)
gnc_numeric_sub(a, b, 100, GNC_HOW_RND_ROUND),
a, b, "expected %s got %s = %s - %s for sub 100ths (banker's)");
/* ------------------------------------------------------------ */
/* This test has failed before */
gnc_numeric c = gnc_numeric_neg (b);
gnc_numeric c = gnc_numeric_neg (a);
gnc_numeric d = gnc_numeric_neg (b);
gnc_numeric z = gnc_numeric_zero();
check_binary_op (c, gnc_numeric_add_fixed(z,c),
z, c, "expected %s got %s = %s + %s for add fixed");
check_binary_op (d, gnc_numeric_add_fixed(z,d),
z, d, "expected %s got %s = %s + %s for add fixed");
/* ------------------------------------------------------------ */
/* Same as above, but with signs reviersed */
a = c;
b = d;
/* Well, actually 14/24 would be acceptable/better in this case */
check_binary_op (gnc_numeric_create(-7,12),
gnc_numeric_add(a, b, GNC_DENOM_AUTO, GNC_HOW_DENOM_EXACT),
a, b, "expected %s got %s = %s + %s for add exact");
check_binary_op (gnc_numeric_create(-58,100),
gnc_numeric_add(a, b, 100, GNC_HOW_RND_ROUND),
a, b, "expected %s got %s = %s + %s for add 100ths (banker's)");
check_binary_op (gnc_numeric_create(-5833,10000),
gnc_numeric_add(a, b, GNC_DENOM_AUTO,
GNC_HOW_DENOM_SIGFIGS(4) |
GNC_HOW_RND_ROUND),
a, b, "expected %s got %s = %s + %s for add 4 sig figs");
check_binary_op (gnc_numeric_create(-583333,1000000),
gnc_numeric_add(a, b, GNC_DENOM_AUTO,
GNC_HOW_DENOM_SIGFIGS(6) |
GNC_HOW_RND_ROUND),
a, b, "expected %s got %s = %s + %s for add 6 sig figs");
check_binary_op (gnc_numeric_create(-1,12),
gnc_numeric_sub(a, b, GNC_DENOM_AUTO, GNC_HOW_DENOM_EXACT),
a, b, "expected %s got %s = %s - %s for sub exact");
/* We should try something trickier for reduce & lcd */
check_binary_op (gnc_numeric_create(-1,12),
gnc_numeric_sub(a, b, GNC_DENOM_AUTO, GNC_HOW_DENOM_REDUCE),
a, b, "expected %s got %s = %s - %s for sub reduce");
check_binary_op (gnc_numeric_create(-1,12),
gnc_numeric_sub(a, b, GNC_DENOM_AUTO, GNC_HOW_DENOM_LCD),
a, b, "expected %s got %s = %s - %s for sub reduce");
check_binary_op (gnc_numeric_create(-8,100),
gnc_numeric_sub(a, b, 100, GNC_HOW_RND_ROUND),
a, b, "expected %s got %s = %s - %s for sub 100ths (banker's)");
/* ------------------------------------------------------------ */
#if CHECK_ERRORS_TOO
gnc_numeric c;
c = gnc_numeric_add_with_error(a, b, 100, GNC_HOW_RND_ROUND, &err);
@ -422,6 +470,7 @@ check_add_subtract (void)
#endif
/* ------------------------------------------------------------ */
/* Add and subtract some random numbers */
int i;
for (i=0; i<NREPS; i++)