20240711 Finished

LeetCodeSharp.Tests/P427Tests.cs

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+namespace LeetCodeSharp.Tests;
+
+using LeetCodeSharp.Problems427;
+
+public class P427Tests
+{
+    [Fact]
+    public void Test1()
+    {
+        int[][] grid = [[0, 1], [1, 0]];
+
+        Solution solution = new();
+        Node root = solution.Construct(grid);
+
+        Assert.False(root.isLeaf);
+    }
+}