diff --git a/tests/fortify1_test.cpp b/tests/fortify1_test.cpp
index bbff000..be59a18 100644
--- a/tests/fortify1_test.cpp
+++ b/tests/fortify1_test.cpp
@@ -115,6 +115,32 @@
   ASSERT_EXIT(strcat(buf, src), testing::KilledBySignal(SIGABRT), "");
 }
 
+TEST(Fortify1_DeathTest, memmove_fortified) {
+  ::testing::FLAGS_gtest_death_test_style = "threadsafe";
+  char buf[20];
+  strcpy(buf, "0123456789");
+  size_t n = atoi("10");
+  ASSERT_EXIT(memmove(buf + 11, buf, n), testing::KilledBySignal(SIGABRT), "");
+}
+
+TEST(Fortify1_DeathTest, memcpy_fortified) {
+  ::testing::FLAGS_gtest_death_test_style = "threadsafe";
+  char bufa[10];
+  char bufb[10];
+  strcpy(bufa, "012345678");
+  size_t n = atoi("11");
+  ASSERT_EXIT(memcpy(bufb, bufa, n), testing::KilledBySignal(SIGABRT), "");
+}
+
+TEST(Fortify1_DeathTest, strncpy_fortified) {
+  ::testing::FLAGS_gtest_death_test_style = "threadsafe";
+  char bufa[15];
+  char bufb[10];
+  strcpy(bufa, "01234567890123");
+  size_t n = strlen(bufa);
+  ASSERT_EXIT(strncpy(bufb, bufa, n), testing::KilledBySignal(SIGABRT), "");
+}
+
 extern "C" char* __strncat_chk(char*, const char*, size_t, size_t);
 extern "C" char* __strcat_chk(char*, const char*, size_t);