1 files changed, 25 insertions, 0 deletions
diff --git a/tests/World/WorldTest.php b/tests/World/WorldTest.php
new file mode 100644
index 0000000..c2b117e
--- /dev/null
+++ b/tests/World/WorldTest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Tests\World;
+
+use App\World\World;
+use PHPUnit\Framework\TestCase;
+
+class WorldTest extends TestCase
+{
+    public function testWorldConstruction()
+    {
+        $world = new World(1, 2, 'test-world');
+
+        $this->assertEquals('test-world', $world->name());
+        $this->assertEquals(1, $world->width());
+        $this->assertEquals(2, $world->height());
+
+        $world = new World(1, 2);
+
+        $this->assertTrue(is_string($world->name()));
+        $this->assertTrue(strpos($world->name(), 'world') === 0);
+        $this->assertEquals(1, $world->width());
+        $this->assertEquals(2, $world->height());
+    }
+}