Add tests for mempcpy

tests/Makefile

@@ -6,6 +6,10 @@ TARGETS=test_memcpy_static_write     \
 	test_memcpy_dynamic_write    \
 	test_memcpy_static_read      \
 	test_memcpy_dynamic_read     \
+        test_mempcpy_static_write    \
+	test_mempcpy_dynamic_write   \
+	test_mempcpy_static_read     \
+	test_mempcpy_dynamic_read    \
 	test_memmove_static_write    \
 	test_memmove_dynamic_write   \
 	test_memmove_static_read     \

tests/test_mempcpy_dynamic_read.c

@@ -0,0 +1,17 @@
+#include "common.h"
+
+#define _GNU_SOURCE
+#include <string.h>
+
+int main(int argc, char** argv) {
+  char buffer[12] = {0};
+  mempcpy(buffer, "1234567890", sizeof(buffer) - 1);
+  puts(buffer);
+
+  CHK_FAIL_START
+  mempcpy(buffer, "123456", argc);
+  CHK_FAIL_END
+
+  puts(buffer);
+  return ret;
+}

tests/test_mempcpy_dynamic_write.c

@@ -0,0 +1,17 @@
+#include "common.h"
+
+#define _GNU_SOURCE
+#include <string.h>
+
+int main(int argc, char** argv) {
+  char buffer[8] = {0};
+  mempcpy(buffer, "1234567890", sizeof(buffer) - 1);
+  puts(buffer);
+
+  CHK_FAIL_START
+  mempcpy(buffer, "1234567890", argc);
+  CHK_FAIL_END
+
+  puts(buffer);
+  return ret;
+}

tests/test_mempcpy_static_read.c

@@ -0,0 +1,17 @@
+#include "common.h"
+
+#define _GNU_SOURCE
+#include <string.h>
+
+int main(int argc, char** argv) {
+  char buffer[8] = {0};
+  mempcpy(buffer, "123456", 4);
+  puts(buffer);
+
+  CHK_FAIL_START
+  mempcpy(buffer, "123456", sizeof(buffer));
+  CHK_FAIL_END
+
+  puts(buffer);
+  return ret;
+}

tests/test_mempcpy_static_write.c

@@ -0,0 +1,17 @@
+#include "common.h"
+
+#define _GNU_SOURCE
+#include <string.h>
+
+int main(int argc, char** argv) {
+  char buffer[8] = {0};
+  mempcpy(buffer, "1234567890", sizeof(buffer) - 1);
+  puts(buffer);
+
+  CHK_FAIL_START
+  mempcpy(buffer, "1234567890", sizeof(buffer) + 1);
+  CHK_FAIL_END
+
+  puts(buffer);
+  return ret;
+}