diff --git a/tests/fortify1_test.cpp b/tests/fortify1_test.cpp
index a9d8afd..b5cf208 100644
--- a/tests/fortify1_test.cpp
+++ b/tests/fortify1_test.cpp
@@ -23,6 +23,8 @@
 #if __BIONIC__
 // We have to say "DeathTest" here so gtest knows to run this test (which exits)
 // in its own process.
+
+// multibyte target where we over fill (should fail)
 TEST(Fortify1_DeathTest, strcpy_fortified) {
   ::testing::FLAGS_gtest_death_test_style = "threadsafe";
   char buf[10];
@@ -31,6 +33,33 @@
   free(orig);
 }
 
+// zero sized target with "\0" source (should fail)
+TEST(Fortify1_DeathTest, strcpy2_fortified) {
+  ::testing::FLAGS_gtest_death_test_style = "threadsafe";
+  char buf[0];
+  char *orig = strdup("");
+  ASSERT_EXIT(strcpy(buf, orig), testing::KilledBySignal(SIGSEGV), "");
+  free(orig);
+}
+
+// zero sized target with longer source (should fail)
+TEST(Fortify1_DeathTest, strcpy3_fortified) {
+  ::testing::FLAGS_gtest_death_test_style = "threadsafe";
+  char buf[0];
+  char *orig = strdup("1");
+  ASSERT_EXIT(strcpy(buf, orig), testing::KilledBySignal(SIGSEGV), "");
+  free(orig);
+}
+
+// one byte target with longer source (should fail)
+TEST(Fortify1_DeathTest, strcpy4_fortified) {
+  ::testing::FLAGS_gtest_death_test_style = "threadsafe";
+  char buf[1];
+  char *orig = strdup("12");
+  ASSERT_EXIT(strcpy(buf, orig), testing::KilledBySignal(SIGSEGV), "");
+  free(orig);
+}
+
 TEST(Fortify1_DeathTest, strlen_fortified) {
   ::testing::FLAGS_gtest_death_test_style = "threadsafe";
   char buf[10];