Create SolutionTest.kt

Author: masx200

test/com/github/masx200/leetcode_test/construct_binary_search_tree_from_preorder_traversal/SolutionTest.kt

@@ -0,0 +1,21 @@
+package com.github.masx200.leetcode_test.construct_binary_search_tree_from_preorder_traversal
+
+
+import com.github.masx200.leetcode_test.utils.TreeNodeLeetCodeStringify
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+
+internal class SolutionTest {
+
+    @Test
+    fun bstFromPreorder() {
+
+        assertEquals(
+            listOf(intArrayOf(8, 5, 1, 7, 10, 12), intArrayOf(1, 3)).map { Solution().bstFromPreorder(it) }
+                .map { TreeNodeLeetCodeStringify(it) },
+            listOf(arrayOf(8, 5, 10, 1, 7, null, 12), arrayOf(1, null, 3)).map { Json.encodeToString(it) }
+        )
+    }
+}