Adding tests for "Stock exchange losses".

Author: cyrilverloop

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+### Added
+- Tests for "Stock exchange losses".
+
 ## [2.0.0] - 2022-02-09
 ### Changed
 - Using "*.dist" files as default PHP templates.

src/Training/Medium/StockExchangeLosses/StockExchangeLosses.dist

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CyrilVerloop\Codingame\Training\Medium\StockExchangeLosses;
+
+use CyrilVerloop\Codingame\Puzzle;
+
+/**
+ * The "Stock Exchange Losses" puzzle.
+ */
+class StockExchangeLosses implements Puzzle
+{
+    public function execute($stdin): void
+    {
+        fscanf(STDIN, "%d", $n);
+        $inputs = explode(" ", fgets(STDIN));
+        for ($i = 0; $i < $n; $i++)
+        {
+            $v = intval($inputs[$i]);
+        }
+
+        // Write an answer using echo(). DON'T FORGET THE TRAILING \n
+
+        echo("answer\n");
+    }
+}

tests/Training/Medium/StockExchangeLosses/StockExchangeLossesTest.php

@@ -0,0 +1,102 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CyrilVerloop\Codingame\Tests\Training\Medium\StockExchangeLosses;
+
+use CyrilVerloop\Codingame\Tests\PuzzleTest;
+use CyrilVerloop\Codingame\Training\Medium\StockExchangeLosses\StockExchangeLosses;
+
+/**
+ * Tests for the "Stock Exchange Losses" puzzle.
+ *
+ * @covers \CyrilVerloop\Codingame\Training\Medium\StockExchangeLosses\StockExchangeLosses
+ * @group stockExchangeLosses
+ */
+final class StockExchangeLossesTest extends PuzzleTest
+{
+    // Methods :
+
+    public function setUp(): void
+    {
+        $this->puzzle = new StockExchangeLosses();
+    }
+
+    /**
+     * Test that the code can be executed for "First case".
+     *
+     * @group stockExchangeLosses_firstCase
+     */
+    public function testCanExecuteSimpleAddition(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/01 - first case.txt',
+            -3 . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Maximum loss between the first and last values".
+     *
+     * @group stockExchangeLosses_maximumLoss
+     */
+    public function testCanExecuteMaximumLoss(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/02 - maximum loss.txt',
+            -4 . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Profit".
+     *
+     * @group stockExchangeLosses_profit
+     */
+    public function testCanExecuteProfit(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/03 - profit.txt',
+            0 . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Profit 2".
+     *
+     * @group stockExchangeLosses_profit2
+     */
+    public function testCanExecuteProfit2(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/04 - profit 2.txt',
+            0 . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Large dataset".
+     *
+     * @group stockExchangeLosses_largeDataset
+     */
+    public function testCanExecuteLargeDataset(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/05 - large dataset.txt',
+            -1073730311 . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Varied".
+     *
+     * @group stockExchangeLosses_varied
+     */
+    public function testCanExecuteVaried(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/06 - varied.txt',
+            -3 . PHP_EOL
+        );
+    }
+}

tests/Training/Medium/StockExchangeLosses/input/01 - first case.txt

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

tests/Training/Medium/StockExchangeLosses/input/02 - maximum loss.txt

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

tests/Training/Medium/StockExchangeLosses/input/03 - profit.txt

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

tests/Training/Medium/StockExchangeLosses/input/04 - profit 2.txt

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

tests/Training/Medium/StockExchangeLosses/input/05 - large dataset.txt

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