refactor: cleanup test code

tests/ecc_speed_comparison_test.py

@@ -0,0 +1,47 @@
+import sys
+import os
+import random
+
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "../src")))
+from tpre import add, multiply, sm2p256v1
+import time
+
+# 生成元
+g = (sm2p256v1.Gx, sm2p256v1.Gy)
+
+
+def test_rust_vs_python_multiply():
+    mul_times = random.randint(0, sm2p256v1.N - 1)
+    # Rust实现
+    start_time = time.time()
+    for _ in range(10):
+        _ = multiply(g, mul_times, 1)
+    rust_time = time.time() - start_time
+    print(f"\nRust multiply 执行时间: {rust_time:.6f} 秒")
+
+    # Python实现
+    start_time = time.time()
+    for _ in range(10):
+        _ = multiply(g, mul_times, 0)
+    python_time = time.time() - start_time
+    print(f"Python multiply 执行时间: {python_time:.6f} 秒")
+
+    assert rust_time < python_time, "Rust实现应该比Python更快"
+
+
+def test_rust_vs_python_add():
+    # Rust实现
+    start_time = time.time()
+    for _ in range(10):
+        _ = add(g, g, 1)
+    rust_time = time.time() - start_time
+    print(f"\nRust add 执行时间: {rust_time:.6f} 秒")
+
+    # Python实现
+    start_time = time.time()
+    for _ in range(10):
+        _ = add(g, g, 0)
+    python_time = time.time() - start_time
+    print(f"Python add 执行时间: {python_time:.6f} 秒")
+
+    assert rust_time < python_time, "Rust实现应该比Python更快"