Added simple test for memory functions

[fw/sdcc] / support / regression / tests / memory.c

diff --git a/support/regression/tests/memory.c b/support/regression/tests/memory.c
new file mode 100644 (file)
index 0000000..6ad8755
--- /dev/null
+++ b/support/regression/tests/memory.c
@@ -0,0 +1,43 @@
+/** memory function test
+*/
+#include <testfwk.h>
+
+#include <string.h>
+
+unsigned char destination[4];
+const unsigned char source[4] = {0, 1, 2, 3};
+
+void testmemory(void)
+{
+  /* Test memset() */
+  destination[3] = 23;
+  memset(destination, 42, 3);
+  ASSERT(destination[0] == 42);
+  ASSERT(destination[2] == 42);
+  ASSERT(destination[3] == 23);
+
+  /* Test memcpy() */
+  memcpy(destination + 1, source + 1, 2);
+  ASSERT(destination[0] == 42);
+  ASSERT(destination[2] == source[2]);
+  ASSERT(destination[3] == 23);
+
+  /* Test memmove() */
+  memcpy(destination, source, 4);
+  memmove(destination, destination + 1, 3);
+  ASSERT(destination[0] == source[1]);
+  ASSERT(destination[2] == source[3]);
+  ASSERT(destination[3] == source[3]);
+  memcpy(destination, source, 4);
+  memmove(destination + 1, destination, 3);
+  ASSERT(destination[0] == source[0]);
+  ASSERT(destination[1] == source[0]);
+  ASSERT(destination[3] == source[2]);
+
+  /* Test memchr() */
+  /* memchr() is not yet supported by sdcc.
+  ASSERT(NULL == memchr(destination, 5, 4));
+  ASSERT(destination == memchr(destination, 0, 4));
+  ASSERT(destination + 3 == memchr(destination, 3, 4));*/
+}
+