Add tests for mem[p]setelem and add man pages for libsimple_default_failure_exit

Signed-off-by: Mattias Andrée <maandree@kth.se>

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;
 }