Add missing test

tests/_fixture/FixtureAnotherTrait.php

@@ -0,0 +1,18 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit\Fixture;
+
+trait FixtureAnotherTrait
+{
+    public function anotherMethod(): void
+    {
+        // ...
+    }
+}

tests/_fixture/FixtureParentClass.php → tests/_fixture/FixtureChildClassWithTrait.php

@@ -9,19 +9,11 @@
  */
 namespace SebastianBergmann\CodeUnit\Fixture;
 
-class FixtureParentClass
+final class FixtureChildClassWithTrait extends FixtureParentClassWithTrait
 {
-    public function publicMethod(): void
-    {
-        // ...
-    }
+    use FixtureAnotherTrait;
 
-    protected function protectedMethod(): void
-    {
-        // ...
-    }
-
-    private function privateMethod(): void
+    public function publicMethod(): void
     {
         // ...
     }

tests/_fixture/FixtureClass.php

@@ -9,7 +9,7 @@
  */
 namespace SebastianBergmann\CodeUnit\Fixture;
 
-class FixtureClass extends FixtureParentClass
+class FixtureClass
 {
     public function publicMethod(): void
     {

tests/_fixture/FixtureParentClassWithTrait.php

@@ -0,0 +1,20 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit\Fixture;
+
+class FixtureParentClassWithTrait
+{
+    use FixtureTrait;
+
+    public function publicMethod(): void
+    {
+        // ...
+    }
+}

tests/unit/MapperTest.php

@@ -10,10 +10,12 @@
 namespace SebastianBergmann\CodeUnit;
 
 use PHPUnit\Framework\TestCase;
+use SebastianBergmann\CodeUnit\Fixture\FixtureAnotherTrait;
+use SebastianBergmann\CodeUnit\Fixture\FixtureChildClassWithTrait;
 use SebastianBergmann\CodeUnit\Fixture\FixtureClass;
 use SebastianBergmann\CodeUnit\Fixture\FixtureClassWithTrait;
 use SebastianBergmann\CodeUnit\Fixture\FixtureInterface;
-use SebastianBergmann\CodeUnit\Fixture\FixtureParentClass;
+use SebastianBergmann\CodeUnit\Fixture\FixtureParentClassWithTrait;
 use SebastianBergmann\CodeUnit\Fixture\FixtureTrait;
 
 /**
@@ -59,7 +61,7 @@ public function testCanMapStringWithClassNameToCodeUnitObjects(): void
     /**
      * @testdox Can map 'ClassName' string to code unit objects
      */
-    public function testCanBeCreatedForClassesAndTheTraitsTheyUseToCodeUnitObjects(): void
+    public function testMapClassesAndTheTraitsTheyUseToCodeUnitObjects(): void
     {
         $units = (new Mapper)->stringToCodeUnits(FixtureClassWithTrait::class);
 
@@ -73,11 +75,13 @@ public function testCanBeCreatedForClassesAndTheTraitsTheyUseToCodeUnitObjects()
      */
     public function testCanMapStringWithClassNameAndSelectorForParentClassesToCodeUnitObjects(): void
     {
-        $units = (new Mapper)->stringToCodeUnits(FixtureClass::class . '<extended>');
+        $units = (new Mapper)->stringToCodeUnits(FixtureChildClassWithTrait::class . '<extended>');
 
-        $this->assertCount(2, $units);
-        $this->assertSame(FixtureClass::class, $units->asArray()[0]->name());
-        $this->assertSame(FixtureParentClass::class, $units->asArray()[1]->name());
+        $this->assertCount(4, $units);
+        $this->assertSame(FixtureChildClassWithTrait::class, $units->asArray()[0]->name());
+        $this->assertSame(FixtureAnotherTrait::class, $units->asArray()[1]->name());
+        $this->assertSame(FixtureParentClassWithTrait::class, $units->asArray()[2]->name());
+        $this->assertSame(FixtureTrait::class, $units->asArray()[3]->name());
     }
 
     /**