diff --git a/libc/utils/UnitTest/Test.cpp b/libc/utils/UnitTest/Test.cpp
--- a/libc/utils/UnitTest/Test.cpp
+++ b/libc/utils/UnitTest/Test.cpp
@@ -242,6 +242,8 @@
 bool Test::testStrEq(RunContext &Ctx, const char *LHS, const char *RHS,
                      const char *LHSStr, const char *RHSStr, const char *File,
                      unsigned long Line) {
+  if (LHS == nullptr || RHS == nullptr)
+    return LHS == RHS;
   return internal::test(Ctx, Cond_EQ, llvm::StringRef(LHS),
                         llvm::StringRef(RHS), LHSStr, RHSStr, File, Line);
 }
@@ -249,6 +251,8 @@
 bool Test::testStrNe(RunContext &Ctx, const char *LHS, const char *RHS,
                      const char *LHSStr, const char *RHSStr, const char *File,
                      unsigned long Line) {
+  if (LHS == nullptr || RHS == nullptr)
+    return LHS != RHS;
   return internal::test(Ctx, Cond_NE, llvm::StringRef(LHS),
                         llvm::StringRef(RHS), LHSStr, RHSStr, File, Line);
 }