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authorMattias Andrée <maandree@kth.se>2018-11-06 19:31:53 +0100
committerMattias Andrée <maandree@kth.se>2018-11-06 19:31:53 +0100
commit0b773371b1f49d3e56e027ba1c5826cdc8e12f50 (patch)
treed64958db79e106db6613c0b536780b23c9f2a372 /mempsetelem.c
parentAdd more man pages (diff)
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Add tests for mem[p]setelem and add man pages for libsimple_default_failure_exit
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r--mempsetelem.c34
1 files changed, 33 insertions, 1 deletions
diff --git a/mempsetelem.c b/mempsetelem.c
index c8990ed..6759579 100644
--- a/mempsetelem.c
+++ b/mempsetelem.c
@@ -4,7 +4,7 @@
void *
-libsimple_mempsetelem(void *buf_, const void *item, size_t size, size_t nitems) /* TODO test */
+libsimple_mempsetelem(void *buf_, const void *item, size_t size, size_t nitems)
{
switch (size) {
case 0:
@@ -54,6 +54,38 @@ libsimple_mempsetelem(void *buf_, const void *item, size_t size, size_t nitems)
int
main(void)
{
+ char buf_[4096];
+ char *buf = buf_;
+ size_t i;
+
+ memset(buf, 0, sizeof(buf_));
+ assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 0, 0) == &buf[0]);
+ assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 0, 10) == &buf[0]);
+ assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 1, 0) == &buf[0]);
+ assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 2, 0) == &buf[0]);
+ assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 4, 0) == &buf[0]);
+ assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 8, 0) == &buf[0]);
+ assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 16, 0) == &buf[0]);
+ assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 3, 0) == &buf[0]);
+ assert(libsimple_mempsetelem(buf, &(uint8_t){0x09}, 1, 3000) == &buf[3000]);
+ assert(libsimple_mempsetelem(buf, &(uint16_t){0x0807}, 2, 1000) == &buf[2000]);
+ assert(libsimple_mempsetelem(buf, &(uint32_t){0x10203040UL}, 4, 300) == &buf[1200]);
+ assert(libsimple_mempsetelem(buf, &(uint64_t){0x0102030450607080ULL}, 8, 100) == &buf[800]);
+ assert(libsimple_mempsetelem(buf, (char []){0xA0, 0xB0, 0xC0}, 3, 16) == &buf[48]);
+
+ for (i = 0; i < 48; i++)
+ assert(buf[i] == ((char []){0xA0, 0xB0, 0xC0})[i % 3]);
+ for (; i < 800; i += 8)
+ assert(*(uint64_t *)&buf[i] == 0x0102030450607080ULL);
+ for (; i < 1200; i += 4)
+ assert(*(uint32_t *)&buf[i] == 0x10203040UL);
+ for (; i < 2000; i += 2)
+ assert(*(uint16_t *)&buf[i] == 0x0807);
+ for (; i < 3000; i++)
+ assert(buf[i] == 0x09);
+ for (; i < sizeof(buf_); i++)
+ assert(buf[i] == 0);
+
return 0;
}