Adding tests for "2nd degree polynomial - simple analysis".

Author: cyrilverloop

CHANGELOG.md

@@ -33,6 +33,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Tests for "Detective geek".
 - Tests for "Largest number".
 - Tests for "Smooth!".
+- Tests for "2nd degree polynomial - simple analysis".
 
 ## [3.9.0] - 2022-06-01
 ### Added

src/Community/Training/Easy/SecondDegreePolynomialSimpleAnalysis/SecondDegreePolynomialSimpleAnalysis.dist

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CyrilVerloop\Codingame\Community\Training\Easy\SecondDegreePolynomialSimpleAnalysis;
+
+use CyrilVerloop\Codingame\Puzzle;
+
+/**
+ * The "2nd degree polynomial - simple analysis" puzzle.
+ * @link https://www.codingame.com/ide/puzzle/2nd-degree-polynomial---simple-analysis
+ */
+class SecondDegreePolynomialSimpleAnalysis implements Puzzle
+{
+    public function execute($stdin): void
+    {
+        fscanf($stdin, "%f %f %f", $a, $b, $c);
+
+        // Write an answer using echo(). DON'T FORGET THE TRAILING \n
+
+        echo("(X1,Y1),...,(Xn,Yn)\n");
+    }
+}

tests/Community/Training/Easy/SecondDegreePolynomialSimpleAnalysis/CGTest.php

@@ -0,0 +1,101 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CyrilVerloop\Codingame\Tests\Community\Training\Easy\SecondDegreePolynomialSimpleAnalysis;
+
+use CyrilVerloop\Codingame\Tests\PuzzleTest;
+use CyrilVerloop\Codingame\Community\Training\Easy\SecondDegreePolynomialSimpleAnalysis\SecondDegreePolynomialSimpleAnalysis;
+
+/**
+ * Tests for the "2nd degree polynomial - simple analysis" puzzle.
+ *
+ * @covers \CyrilVerloop\Codingame\Community\Training\Easy\SecondDegreePolynomialSimpleAnalysis\SecondDegreePolynomialSimpleAnalysis
+ * @group secondDegreePolynomialSimpleAnalysis
+ * @medium
+ */
+final class CGTest extends PuzzleTest
+{
+    public function setUp(): void
+    {
+        $this->puzzle = new SecondDegreePolynomialSimpleAnalysis();
+    }
+
+    /**
+     * Test that the code can be executed for "Centered parabol, 1 intersection".
+     *
+     * @group secondDegreePolynomialSimpleAnalysis_centeredParabol1Intersection
+     */
+    public function testCanExecuteCenteredParabol1Intersection(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/01 - centered parabol, 1 intersection.txt',
+            "(0,1)" . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Horizontal line, 1 intersection to be rounded".
+     *
+     * @group secondDegreePolynomialSimpleAnalysis_horizontalLine1IntersectionToBeRounded
+     */
+    public function testCanExecuteHorizontalLine1IntersectionToBeRounded(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/02 - horizontal line, 1 intersection to be rounded.txt',
+            "(0,1.34)" . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Straight line, 2 intersections".
+     *
+     * @group secondDegreePolynomialSimpleAnalysis_straightLine2Intersections
+     */
+    public function testCanExecuteStraightLine2Intersections(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/03 - straight line, 2 intersections.txt',
+            "(0,2),(2,0)" . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Centered parabol, 3 intersections".
+     *
+     * @group secondDegreePolynomialSimpleAnalysis_centeredParabol3Intersections
+     */
+    public function testCanExecuteCenteredParabol3Intersections(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/04 - centered parabol, 3 intersections.txt',
+            "(-0.5,0),(0,-0.75),(0.5,0)" . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Parabol on the right, 2 intersections".
+     *
+     * @group secondDegreePolynomialSimpleAnalysis_parabolOnTheRight2Intersections
+     */
+    public function testCanExecuteParabolOnTheRight2Intersections(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/05 - parabol on the right, 2 intersections.txt',
+            "(0,1),(1,0)" . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Special case".
+     *
+     * @group secondDegreePolynomialSimpleAnalysis_specialCase
+     */
+    public function testCanExecuteSpecialCase(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/06 - special case.txt',
+            "(0,0)" . PHP_EOL
+        );
+    }
+}

tests/Community/Training/Easy/SecondDegreePolynomialSimpleAnalysis/input/01 - centered parabol, 1 intersection.txt

@@ -0,0 +1 @@
+1 0 1

tests/Community/Training/Easy/SecondDegreePolynomialSimpleAnalysis/input/02 - horizontal line, 1 intersection to be rounded.txt

@@ -0,0 +1 @@
+0 0 1.3357

tests/Community/Training/Easy/SecondDegreePolynomialSimpleAnalysis/input/03 - straight line, 2 intersections.txt

@@ -0,0 +1 @@
+0 -1 2

tests/Community/Training/Easy/SecondDegreePolynomialSimpleAnalysis/input/04 - centered parabol, 3 intersections.txt

@@ -0,0 +1 @@
+3 0 -0.75

tests/Community/Training/Easy/SecondDegreePolynomialSimpleAnalysis/input/05 - parabol on the right, 2 intersections.txt

@@ -0,0 +1 @@
+1 -2 1

tests/Community/Training/Easy/SecondDegreePolynomialSimpleAnalysis/input/06 - special case.txt

@@ -0,0 +1 @@
+0 0 0