746

tests/test_746.cpp

@@ -0,0 +1,47 @@
+// This file is generated by mkfile.py
+// Date: 2025-12-05
+
+#include <gtest/gtest.h>
+#include <solution/746.h>
+
+#include <algorithm>
+#include <vector>
+
+// Tests for minCostClimbingStairs (LeetCode 746)
+class MinCostClimbingStairsTest : public ::testing::Test
+{
+  protected:
+    void AssertMinCost(const std::vector<int> &input, int expected)
+    {
+        int *cost = new int[input.size()];
+        std::copy(input.begin(), input.end(), cost);
+
+        int result = minCostClimbingStairs(cost, (int)input.size());
+        ASSERT_EQ(result, expected);
+
+        delete[] cost;
+    }
+};
+
+TEST_F(MinCostClimbingStairsTest, Example1)
+{
+    // cost = [10,15,20] -> expected 15
+    AssertMinCost({10, 15, 20}, 15);
+}
+
+TEST_F(MinCostClimbingStairsTest, Example2)
+{
+    // cost = [1,100,1,1,1,100,1,1,100,1] -> expected 6
+    AssertMinCost({1, 100, 1, 1, 1, 100, 1, 1, 100, 1}, 6);
+}
+
+TEST_F(MinCostClimbingStairsTest, TwoSteps)
+{
+    // Two steps: choose cheaper one
+    AssertMinCost({5, 3}, 3);
+}
+
+TEST_F(MinCostClimbingStairsTest, ZeroCost)
+{
+    AssertMinCost({0, 0, 0}, 0);
+}