The following BST dataInReverse Order function has an error. Complete the testDataInReverseOrder test function using the provided assert True function to discover dataInReverseOrder's error (i.e., fail). The test should pass once the function is fixed. Note: this code is meant to be compiled by itself, so do not assume the existence of an insert function, etc. #include #include #include using namespace std; void assertTrue (bool b, string s) { if (b) { cout << "PASSED: " << s << endl; } else { cout << "FAILED: " << s << endl; } } struct BSTNode { int data; BSTNode left; BSTNode" right; }; // returns a vector of all the data in a BST in reverse sorted order (i.e., descending order) vector dataInReverseOrder (BSTNode* root) { // empty tree case if (root == nullptr) return {}; // non-empty tree vector right = data InReverseOrder (root->right);

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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The following BST dataInReverseOrder function has an error. Complete the testDataInReverseOrder test function using the provided assert True function to
discover dataInReverseOrder's error (i.e., fail). The test should pass once the function is fixed.
Note: this code is meant to be compiled by itself, so do not assume the existence of an insert function, etc.
#include <string>
#include <vector>
#include <iostream>
using namespace std;
void assertTrue (bool b, string s) {
if (b) {
cout << "PASSED: " << s << endl;
} else {
cout << "FAILED: " << s << endl;
}
}
struct BSTNode {
int data;
BSTNode* left;
BSTNode* right;
};
// returns a vector of all the data in a BST in reverse sorted order (i.e., descending order)
vector<int> dataInReverseOrder (BSTNode* root) {
}
// empty tree case
if (root == nullptr) return {};
// non-empty tree
vector<int> right = dataInReverseOrder (root->right);
vector<int> left = dataInReverseOrder (root->left);
vector<int> res;
for (int x: right) res.push_back(x);
for (int x : left) res.push_back(x);
res.push_back(root->data);
return res;
}
void testDataInReverseOrder() {
// FIXME: implement a test that calls dataInReverseOrder and assertTrue
// The test should discover the error and fail. The test should
// pass once the function is fixed.
}
int main() {
testDataInReverseOrder();
return 0;
Transcribed Image Text:The following BST dataInReverseOrder function has an error. Complete the testDataInReverseOrder test function using the provided assert True function to discover dataInReverseOrder's error (i.e., fail). The test should pass once the function is fixed. Note: this code is meant to be compiled by itself, so do not assume the existence of an insert function, etc. #include <string> #include <vector> #include <iostream> using namespace std; void assertTrue (bool b, string s) { if (b) { cout << "PASSED: " << s << endl; } else { cout << "FAILED: " << s << endl; } } struct BSTNode { int data; BSTNode* left; BSTNode* right; }; // returns a vector of all the data in a BST in reverse sorted order (i.e., descending order) vector<int> dataInReverseOrder (BSTNode* root) { } // empty tree case if (root == nullptr) return {}; // non-empty tree vector<int> right = dataInReverseOrder (root->right); vector<int> left = dataInReverseOrder (root->left); vector<int> res; for (int x: right) res.push_back(x); for (int x : left) res.push_back(x); res.push_back(root->data); return res; } void testDataInReverseOrder() { // FIXME: implement a test that calls dataInReverseOrder and assertTrue // The test should discover the error and fail. The test should // pass once the function is fixed. } int main() { testDataInReverseOrder(); return 0;
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