[Gnucash-changes] add more tests involving negative quantities
Linas Vepstas
linas at cvs.gnucash.org
Thu Jul 1 23:11:10 EDT 2004
Log Message:
-----------
add more tests involving negative quantities
Modified Files:
--------------
gnucash/src/engine/test:
test-numeric.c
Revision Data
-------------
Index: test-numeric.c
===================================================================
RCS file: /home/cvs/cvsroot/gnucash/src/engine/test/test-numeric.c,v
retrieving revision 1.15
retrieving revision 1.16
diff -Lsrc/engine/test/test-numeric.c -Lsrc/engine/test/test-numeric.c -u -r1.15 -r1.16
--- src/engine/test/test-numeric.c
+++ src/engine/test/test-numeric.c
@@ -400,12 +400,60 @@
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 @@
#endif
+ /* ------------------------------------------------------------ */
/* Add and subtract some random numbers */
int i;
for (i=0; i<NREPS; i++)
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