This is a simple game I'm writing to test the idea of using games to teach C++.
https://learncodethehardway.com/
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44 lines
780 B
44 lines
780 B
#include <iostream>
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#include <algorithm>
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#include <vector>
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#include <stdexcept>
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using namespace std;
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class ExpectFail {
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public:
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string message;
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ExpectFail(string m) : message(m) {};
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};
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void expect(bool test, string msg) {
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if(!test) {
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throw ExpectFail("Expectation failed.");
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}
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}
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int area(int length, int width) {
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expect(length > 0 && width > 0, "Bad area given.");
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return length * width;
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}
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int main() {
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vector<int> numbers;
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try {
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numbers.push_back(100);
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numbers.push_back(-100);
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cout << "Area " << area(numbers.at(1), 100) << "\n";
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return 0;
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} catch(out_of_range &e) {
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cout << "Out of range ERROR: " << e.what() << "\n";
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return 2;
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} catch(...) {
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cout << "Exception: something went wrong\n";
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return 3;
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}
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}
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