Make sure that constant folding doesn't render our tests trivial.

This commit is contained in:
David Given 2017-01-07 19:53:57 +01:00
parent abbead482a
commit 837b9622fb

View file

@ -1,65 +1,70 @@
# #
/* External variables to defeat constant folding. */
zero 0;
one 1;
i 0; i 0;
ext_t() ext_t()
{ {
extrn i; extrn zero, one, i;
i = 0; i = zero;
if (!(i++ == 0)) fail(__LINE__); if (!(i++ == 0)) fail(__LINE__);
i == 1; i = one;
if (!(i-- == 1)) fail(__LINE__); if (!(i-- == 1)) fail(__LINE__);
if (!(i == 0)) fail(__LINE__); if (!(i == 0)) fail(__LINE__);
i = 0; i = zero;
if (!(++i == 1)) fail(__LINE__); if (!(++i == 1)) fail(__LINE__);
if (!(i == 1)) fail(__LINE__); if (!(i == 1)) fail(__LINE__);
i == 1; i = one;
if (!(--i == 0)) fail(__LINE__); if (!(--i == 0)) fail(__LINE__);
if (!(i == 0)) fail(__LINE__); if (!(i == 0)) fail(__LINE__);
} }
int_t() int_t()
{ {
extrn zero, one;
auto i; auto i;
i = 0; i = zero;
if (!(i++ == 0)) fail(__LINE__); if (!(i++ == 0)) fail(__LINE__);
i == 1; i = one;
if (!(i-- == 1)) fail(__LINE__); if (!(i-- == 1)) fail(__LINE__);
if (!(i == 0)) fail(__LINE__); if (!(i == 0)) fail(__LINE__);
i = 0; i = zero;
if (!(++i == 1)) fail(__LINE__); if (!(++i == 1)) fail(__LINE__);
if (!(i == 1)) fail(__LINE__); if (!(i == 1)) fail(__LINE__);
i == 1; i = one;
if (!(--i == 0)) fail(__LINE__); if (!(--i == 0)) fail(__LINE__);
if (!(i == 0)) fail(__LINE__); if (!(i == 0)) fail(__LINE__);
} }
star_t() star_t()
{ {
extrn i; extrn zero, one, i;
auto p; auto p;
p = &i; p = &i;
i = 0; i = zero;
if (!((*p)++ == 0)) fail(__LINE__); if (!((*p)++ == 0)) fail(__LINE__);
i == 1; i = one;
if (!((*p)-- == 1)) fail(__LINE__); if (!((*p)-- == 1)) fail(__LINE__);
if (!(i == 0)) fail(__LINE__); if (!(i == 0)) fail(__LINE__);
i = 0; i = zero;
if (!(++(*p) == 1)) fail(__LINE__); if (!(++(*p) == 1)) fail(__LINE__);
if (!(i == 1)) fail(__LINE__); if (!(i == 1)) fail(__LINE__);
i == 1; i = one;
if (!(--(*p) == 0)) fail(__LINE__); if (!(--(*p) == 0)) fail(__LINE__);
if (!(i == 0)) fail(__LINE__); if (!(i == 0)) fail(__LINE__);
} }