initial commit

tests/test_cpuid.cpp

@@ -0,0 +1,39 @@
+// Copyright (c) 2025-2026, Brandon Lehmann
+// BSD 3-Clause License (see LICENSE)
+
+#include "test_harness.h"
+#include "cpuid.h"
+#include "internal/aes_impl.h"
+
+TEST(cpuid_detect_no_crash)
+{
+    // Just verify detection doesn't crash
+    auto features = tinyaes::internal::detect_cpu_features();
+    (void)features;
+    ASSERT_TRUE(true);
+}
+
+TEST(cpuid_dispatch_encrypt_block)
+{
+    // Verify dispatch resolves to a non-null function pointer
+    auto fn = tinyaes::internal::get_encrypt_block();
+    ASSERT_TRUE(fn != nullptr);
+}
+
+TEST(cpuid_dispatch_decrypt_block)
+{
+    auto fn = tinyaes::internal::get_decrypt_block();
+    ASSERT_TRUE(fn != nullptr);
+}
+
+TEST(cpuid_dispatch_key_expand)
+{
+    auto fn = tinyaes::internal::get_key_expand();
+    ASSERT_TRUE(fn != nullptr);
+}
+
+TEST(cpuid_dispatch_ctr_pipeline)
+{
+    auto fn = tinyaes::internal::get_ctr_pipeline();
+    ASSERT_TRUE(fn != nullptr);
+}