Initial import of libdpf.

Co-authored-by: Cursor <cursoragent@cursor.com>

thirdparty/uint256_t/tests/testcases/logical.cpp

@@ -0,0 +1,23 @@
+#include <gtest/gtest.h>
+
+#include "uint256_t.h"
+
+TEST(Logical, and){
+    const uint256_t A(0xffffffff);
+    const uint256_t B(0x00000000);
+
+    EXPECT_EQ(A && A, true);
+    EXPECT_EQ(A && B, false);
+}
+
+TEST(Logical, or){
+    const uint256_t A(0xffffffff);
+    const uint256_t B(0x00000000);
+
+    EXPECT_EQ(A || A, true);
+    EXPECT_EQ(A || B, true);
+}
+
+TEST(Logical, not){
+    EXPECT_EQ(!uint256_t(0xffffffff), 0);
+}