symfony
diff --git a/‎src/Symfony/Component/VarDumper/Tests/Dumper/FunctionsTest.php
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+57Lines changed: 57 additions & 0 deletions b/‎src/Symfony/Component/VarDumper/Tests/Dumper/FunctionsTest.php
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+57Lines changed: 57 additions & 0 deletions
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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Tests\Dumper;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\CliDumper;
+use Symfony\Component\VarDumper\VarDumper;
+
+class FunctionsTest extends TestCase
+{
+    public function testDumpReturnsFirstArg()
+    {
+        $this->setupVarDumper();
+
+        $var1 = 'a';
+
+        ob_start();
+        $return = dump($var1);
+        $out = ob_get_clean();
+
+        $this->assertEquals($var1, $return);
+    }
+
+    public function testDumpReturnsAllArgsInArray()
+    {
+        $this->setupVarDumper();
+
+        $var1 = 'a';
+        $var2 = 'b';
+        $var3 = 'c';
+
+        ob_start();
+        $return = dump($var1, $var2, $var3);
+        $out = ob_get_clean();
+
+        $this->assertEquals(array($var1, $var2, $var3), $return);
+    }
+
+    protected function setupVarDumper()
+    {
+        $cloner = new VarCloner();
+        $dumper = new CliDumper('php://output');
+        VarDumper::setHandler(function ($var) use ($cloner, $dumper) {
+            $dumper->dump($cloner->cloneVar($var));
+        });
+    }
+}