More tests

tests/RatingContainerTest.php

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+<?php
+
+declare(strict_types=1);
+
+namespace DNW\Skills\Tests;
+
+use DNW\Skills\RatingContainer;
+use DNW\Skills\HashMap;
+use DNW\Skills\Player;
+use DNW\Skills\Rating;
+use DNW\Skills\Guard;
+use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\UsesClass;
+
+#[CoversClass(RatingContainer::class)]
+#[UsesClass(Hashmap::class)]
+#[UsesClass(Player::class)]
+#[UsesClass(Rating::class)]
+#[UsesClass(Guard::class)]
+class RatingContainerTest extends TestCase
+{
+    public function testRatingContainer(): void
+    {
+        $rc = new RatingContainer();
+
+        $this->assertEquals([], $rc->getAllPlayers());
+        $this->assertEquals([], $rc->getAllRatings());
+        $this->assertEquals(0, $rc->count());
+
+        $p1 = new Player(1);
+        $p2 = new Player(2);
+
+        $r1 = new Rating(100, 10);
+        $r2 = new Rating(200, 20);
+
+        $rc->setRating($p1, $r1);
+        $rc->setRating($p2, $r2);
+
+        $this->assertEquals($r1, $rc->getRating($p1));
+        $this->assertEquals($r2, $rc->getRating($p2));
+
+        $this->assertEquals([$p1, $p2], $rc->getAllPlayers());
+        $this->assertEquals([$r1, $r2], $rc->getAllRatings());
+        $this->assertEquals(2, $rc->count());
+    }
+}