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, 0 deletions

diff --git a/libsimple.c b/libsimple.c
index 5d77549..93f7357 100644
--- a/libsimple.c
+++ b/libsimple.c
@@ -2132,6 +2132,39 @@ main(void)
 		assert(libsimple_strrncaseeqlen("123", "123", n) == MIN(3, n));
 	}
 
+	{
+		char p_[4096];
+		char *p = p_;
+
+		memset(p, 0, sizeof(p_));
+		assert(libsimple_memsetelem(p, &(uint64_t){~0}, 0, 0) == p);
+		assert(libsimple_memsetelem(p, &(uint64_t){~0}, 0, 10) == p);
+		assert(libsimple_memsetelem(p, &(uint64_t){~0}, 1, 0) == p);
+		assert(libsimple_memsetelem(p, &(uint64_t){~0}, 2, 0) == p);
+		assert(libsimple_memsetelem(p, &(uint64_t){~0}, 4, 0) == p);
+		assert(libsimple_memsetelem(p, &(uint64_t){~0}, 8, 0) == p);
+		assert(libsimple_memsetelem(p, &(uint64_t){~0}, 16, 0) == p);
+		assert(libsimple_memsetelem(p, &(uint64_t){~0}, 3, 0) == p);
+		assert(libsimple_memsetelem(p, &(uint8_t){0x09}, 1, 3000) == p);
+		assert(libsimple_memsetelem(p, &(uint16_t){0x0807}, 2, 1000) == p);
+		assert(libsimple_memsetelem(p, &(uint32_t){0x10203040UL}, 4, 300) == p);
+		assert(libsimple_memsetelem(p, &(uint64_t){0x0102030450607080ULL}, 8, 100) == p);
+		assert(libsimple_memsetelem(p, (char []){0xA0, 0xB0, 0xC0}, 3, 16) == p);
+
+		for (i = 0; i < 48; i++)
+			assert(p[i] == ((char []){0xA0, 0xB0, 0xC0})[i % 3]);
+		for (; i < 800; i += 8)
+			assert(*(uint64_t *)&p[i] == 0x0102030450607080ULL);
+		for (; i < 1200; i += 4)
+			assert(*(uint32_t *)&p[i] == 0x10203040UL);
+		for (; i < 2000; i += 2)
+			assert(*(uint16_t *)&p[i] == 0x0807);
+		for (; i < 3000; i++)
+			assert(p[i] == 0x09);
+		for (; i < sizeof(p_); i++)
+			assert(p[i] == 0);
+	}
+
 	if (!have_custom_malloc()) {
 		stderr_real = 1;
 		fprintf(stderr, "\nSome tests have not been ran because malloc(3) was not "