Adding tests for "Stock exchange losses".

Author: cyrilverloop

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Tests for "Network cabling".
 - Tests for "Scrabble".
+- Tests for "Stock exchange losses".
 
 ## [1.2.0] - 2022-03-02
 ### Added

lib/training/medium/stockExchangeLosses/stockExchangeLosses.dist

@@ -0,0 +1,17 @@
+/**
+ * The "Stock exchange losses" puzzle.
+ */
+function execute(readline) {
+    const n = parseInt(readline());
+    var inputs = readline().split(' ');
+    for (let i = 0; i < n; i++) {
+        const v = parseInt(inputs[i]);
+    }
+
+    // Write an answer using console.log()
+    // To debug: console.error('Debug messages...');
+
+    console.log('answer');
+}
+
+export { execute };

test/training/medium/stockExchangeLosses/CGTest.js

@@ -0,0 +1,86 @@
+import { assert } from 'chai';
+import sinon from 'sinon';
+import File from '../../../File.js';
+import { execute } from '../../../../lib/training/medium/stockExchangeLosses/stockExchangeLosses.js';
+
+/**
+ * Tests for the "Stock exchange losses" puzzle.
+ */
+suite('Stock exchange losses', function() {
+    const sandbox = sinon.createSandbox();
+
+    setup(function () {
+        sandbox.stub(console, "log");
+    });
+
+    teardown(function () {
+        sandbox.restore();
+    });
+
+
+    test('(3 2 4 2 1 5) -> -3', function() {
+        let inputFile = new File('./test/training/medium/stockExchangeLosses/input/01 - first case.txt');
+
+        execute(inputFile.readline.bind(inputFile));
+
+        assert.strictEqual(
+            console.log.getCall(0).args[0],
+            -3
+        );
+    });
+
+    test('Maximum Loss between the first and last values (5 3 4 2 3 1) -> -4', function() {
+        let inputFile = new File('./test/training/medium/stockExchangeLosses/input/02 - maximum loss.txt');
+
+        execute(inputFile.readline.bind(inputFile));
+
+        assert.strictEqual(
+            console.log.getCall(0).args[0],
+            -4
+        );
+    });
+
+    test('Profit (1 2 4 4 5) -> 0', function() {
+        let inputFile = new File('./test/training/medium/stockExchangeLosses/input/03 - profit.txt');
+
+        execute(inputFile.readline.bind(inputFile));
+
+        assert.strictEqual(
+            console.log.getCall(0).args[0],
+            0
+        );
+    });
+
+    test('Profit 2 (3 4 7 9 10) -> 0', function() {
+        let inputFile = new File('./test/training/medium/stockExchangeLosses/input/04 - profit 2.txt');
+
+        execute(inputFile.readline.bind(inputFile));
+
+        assert.strictEqual(
+            console.log.getCall(0).args[0],
+            0
+        );
+    });
+
+    test('Large dataset (n = 99999)', function() {
+        let inputFile = new File('./test/training/medium/stockExchangeLosses/input/05 - large dataset.txt');
+
+        execute(inputFile.readline.bind(inputFile));
+
+        assert.strictEqual(
+            console.log.getCall(0).args[0],
+            -1073730311
+        );
+    });
+
+    test('Varied (3 2 10 7 15 14)', function() {
+        let inputFile = new File('./test/training/medium/stockExchangeLosses/input/06 - varied.txt');
+
+        execute(inputFile.readline.bind(inputFile));
+
+        assert.strictEqual(
+            console.log.getCall(0).args[0],
+            -3
+        );
+    });
+});

test/training/medium/stockExchangeLosses/input/01 - first case.txt

@@ -0,0 +1,2 @@
+6
+3 2 4 2 1 5

test/training/medium/stockExchangeLosses/input/02 - maximum loss.txt

@@ -0,0 +1,2 @@
+6
+5 3 4 2 3 1

test/training/medium/stockExchangeLosses/input/03 - profit.txt

@@ -0,0 +1,2 @@
+5
+1 2 4 4 5

test/training/medium/stockExchangeLosses/input/04 - profit 2.txt

@@ -0,0 +1,2 @@
+5
+3 4 7 9 10

test/training/medium/stockExchangeLosses/input/05 - large dataset.txt

@@ -0,0 +1,2 @@
+6
+3 2 10 7 15 14