7 files changed, 96 insertions, 0 deletions

diff --git a/tests/Makefile b/tests/Makefile
index 352e6f8..b1223ea 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -48,10 +48,15 @@ RUNTIME_TARGETS= \
         test_mbstowcs_static         \
         test_memchr_dynamic_read     \
         test_memchr_static_read      \
+        test_memchr_null             \
         test_memcpy_dynamic_read     \
         test_memcpy_dynamic_write    \
         test_memcpy_overwrite_over   \
         test_memcpy_static_read      \
+        test_memcpy_null_src         \
+        test_memcpy_null_dst         \
+        test_memmove_null_src        \
+        test_memmove_null_dst        \
         test_memmove_dynamic_read    \
         test_memmove_dynamic_write   \
         test_memmove_static_read     \
@@ -62,6 +67,7 @@ RUNTIME_TARGETS= \
         test_mempcpy_static_write    \
         test_memset_dynamic_write    \
         test_memset_static_write     \
+        test_memset_null             \
         test_poll_dynamic            \
         test_poll_static             \
         test_ppoll_dynamic           \
diff --git a/tests/test_memchr_null.c b/tests/test_memchr_null.c
new file mode 100644
index 0000000..02b994d
--- /dev/null
+++ b/tests/test_memchr_null.c
@@ -0,0 +1,13 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+#ifndef __GNUC__
+  CHK_FAIL_START
+  memchr(NULL, (int)'A', 0);
+  CHK_FAIL_END
+#endif
+
+  return ret;
+}
diff --git a/tests/test_memcpy_null_dst.c b/tests/test_memcpy_null_dst.c
new file mode 100644
index 0000000..9def69c
--- /dev/null
+++ b/tests/test_memcpy_null_dst.c
@@ -0,0 +1,16 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+#ifndef __GNUC__
+  char buffer[12] = {0};
+
+  CHK_FAIL_START
+  memcpy(buffer, NULL, 0);
+  CHK_FAIL_END
+
+  puts(buffer);
+#endif
+  return ret;
+}
diff --git a/tests/test_memcpy_null_src.c b/tests/test_memcpy_null_src.c
new file mode 100644
index 0000000..42f99a9
--- /dev/null
+++ b/tests/test_memcpy_null_src.c
@@ -0,0 +1,16 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+#ifndef __GNUC__
+  char buffer[12] = {0};
+
+  CHK_FAIL_START
+  memcpy(NULL, buffer, 0);
+  CHK_FAIL_END
+
+  puts(buffer);
+#endif
+  return ret;
+}
diff --git a/tests/test_memmove_null_dst.c b/tests/test_memmove_null_dst.c
new file mode 100644
index 0000000..9455a5a
--- /dev/null
+++ b/tests/test_memmove_null_dst.c
@@ -0,0 +1,16 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+#ifndef __GNUC__
+  char buffer[12] = {0};
+
+  CHK_FAIL_START
+  memmove(buffer, NULL, 0);
+  CHK_FAIL_END
+
+  puts(buffer);
+#endif
+  return ret;
+}
diff --git a/tests/test_memmove_null_src.c b/tests/test_memmove_null_src.c
new file mode 100644
index 0000000..e03b97a
--- /dev/null
+++ b/tests/test_memmove_null_src.c
@@ -0,0 +1,16 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+#ifndef __GNUC__
+  char buffer[12] = {0};
+
+  CHK_FAIL_START
+  memmove(NULL, buffer, 0);
+  CHK_FAIL_END
+
+  puts(buffer);
+#endif
+  return ret;
+}
diff --git a/tests/test_memset_null.c b/tests/test_memset_null.c
new file mode 100644
index 0000000..0a2398b
--- /dev/null
+++ b/tests/test_memset_null.c
@@ -0,0 +1,13 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+#ifndef __GNUC__
+  CHK_FAIL_START
+  memset(NULL, 0, 0);
+  CHK_FAIL_END
+#endif
+
+  return ret;
+}