test: 💍 add tests

Author: ttskch

src/Metadata/Tests/ParametersTest.php

@@ -25,4 +25,20 @@ public function testDefaultValue(): void
         $parameters = new Parameters(['a' => $r]);
         $this->assertSame($r, $parameters->get('a'));
     }
+
+    public function testDuplicated(): void
+    {
+        $r1 = new QueryParameter(key: 'a');
+        $r2 = new QueryParameter(key: 'b');
+        $parameters = new Parameters([$r1, $r2]);
+        $this->assertCount(2, $parameters);
+        $this->assertSame($r1, $parameters->get('a'));
+        $this->assertSame($r2, $parameters->get('b'));
+
+        $r1 = new QueryParameter(key: 'a');
+        $r2 = new QueryParameter(key: 'a');
+        $parameters = new Parameters([$r1, $r2]);
+        $this->assertCount(1, $parameters);
+        $this->assertSame($r2, $parameters->get('a'));
+    }
 }