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vendor/psy/psysh/test/CodeCleaner/NamespacePassTest.php

@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2018 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner;
+use Psy\CodeCleaner\NamespacePass;
+
+class NamespacePassTest extends CodeCleanerTestCase
+{
+    private $cleaner;
+
+    public function setUp()
+    {
+        $this->cleaner = new CodeCleaner();
+        $this->setPass(new NamespacePass($this->cleaner));
+    }
+
+    public function testProcess()
+    {
+        $this->parseAndTraverse('');
+        $this->assertNull($this->cleaner->getNamespace());
+
+        $this->parseAndTraverse('array_merge()');
+        $this->assertNull($this->cleaner->getNamespace());
+
+        // A non-block namespace statement should set the current namespace.
+        $this->parseAndTraverse('namespace Alpha');
+        $this->assertSame(['Alpha'], $this->cleaner->getNamespace());
+
+        // A new non-block namespace statement should override the current namespace.
+        $this->parseAndTraverse('namespace Beta; class B {}');
+        $this->assertSame(['Beta'], $this->cleaner->getNamespace());
+
+        // A new block namespace clears out the current namespace...
+        $this->parseAndTraverse('namespace Gamma { array_merge(); }');
+
+        if (\defined('PhpParser\\Node\\Stmt\\Namespace_::KIND_SEMICOLON')) {
+            $this->assertNull($this->cleaner->getNamespace());
+        } else {
+            // But not for PHP-Parser < v3.1.2 :(
+            $this->assertSame(['Gamma'], $this->cleaner->getNamespace());
+        }
+
+        $this->parseAndTraverse('namespace Delta');
+
+        // A null namespace clears out the current namespace.
+        $this->parseAndTraverse('namespace { array_merge(); }');
+        $this->assertNull($this->cleaner->getNamespace());
+    }
+}