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diff --git a/vendor/nikic/php-parser/test/PhpParser/ParserTest.php b/vendor/nikic/php-parser/test/PhpParser/ParserTest.php
new file mode 100644
index 000000000..0dabba216
--- /dev/null
+++ b/vendor/nikic/php-parser/test/PhpParser/ParserTest.php
@@ -0,0 +1,184 @@
+<?php
+
+namespace PhpParser;
+
+use PhpParser\Comment;
+use PhpParser\Node\Expr;
+use PhpParser\Node\Scalar;
+use PhpParser\Node\Scalar\String_;
+
+abstract class ParserTest extends \PHPUnit_Framework_TestCase
+{
+    /** @returns Parser */
+    abstract protected function getParser(Lexer $lexer);
+
+    /**
+     * @expectedException \PhpParser\Error
+     * @expectedExceptionMessage Syntax error, unexpected EOF on line 1
+     */
+    public function testParserThrowsSyntaxError() {
+        $parser = $this->getParser(new Lexer());
+        $parser->parse('<?php foo');
+    }
+
+    /**
+     * @expectedException \PhpParser\Error
+     * @expectedExceptionMessage Cannot use foo as self because 'self' is a special class name on line 1
+     */
+    public function testParserThrowsSpecialError() {
+        $parser = $this->getParser(new Lexer());
+        $parser->parse('<?php use foo as self;');
+    }
+
+    /**
+     * @expectedException \PhpParser\Error
+     * @expectedExceptionMessage Unterminated comment on line 1
+     */
+    public function testParserThrowsLexerError() {
+        $parser = $this->getParser(new Lexer());
+        $parser->parse('<?php /*');
+    }
+
+    public function testAttributeAssignment() {
+        $lexer = new Lexer(array(
+            'usedAttributes' => array(
+                'comments', 'startLine', 'endLine',
+                'startTokenPos', 'endTokenPos',
+            )
+        ));
+
+        $code = <<<'EOC'
+<?php
+/** Doc comment */
+function test($a) {
+    // Line
+    // Comments
+    echo $a;
+}
+EOC;
+        $code = canonicalize($code);
+
+        $parser = $this->getParser($lexer);
+        $stmts = $parser->parse($code);
+
+        /** @var \PhpParser\Node\Stmt\Function_ $fn */
+        $fn = $stmts[0];
+        $this->assertInstanceOf('PhpParser\Node\Stmt\Function_', $fn);
+        $this->assertEquals(array(
+            'comments' => array(
+                new Comment\Doc('/** Doc comment */', 2, 6),
+            ),
+            'startLine' => 3,
+            'endLine' => 7,
+            'startTokenPos' => 3,
+            'endTokenPos' => 21,
+        ), $fn->getAttributes());
+
+        $param = $fn->params[0];
+        $this->assertInstanceOf('PhpParser\Node\Param', $param);
+        $this->assertEquals(array(
+            'startLine' => 3,
+            'endLine' => 3,
+            'startTokenPos' => 7,
+            'endTokenPos' => 7,
+        ), $param->getAttributes());
+
+        /** @var \PhpParser\Node\Stmt\Echo_ $echo */
+        $echo = $fn->stmts[0];
+        $this->assertInstanceOf('PhpParser\Node\Stmt\Echo_', $echo);
+        $this->assertEquals(array(
+            'comments' => array(
+                new Comment("// Line\n", 4, 49),
+                new Comment("// Comments\n", 5, 61),
+            ),
+            'startLine' => 6,
+            'endLine' => 6,
+            'startTokenPos' => 16,
+            'endTokenPos' => 19,
+        ), $echo->getAttributes());
+
+        /** @var \PhpParser\Node\Expr\Variable $var */
+        $var = $echo->exprs[0];
+        $this->assertInstanceOf('PhpParser\Node\Expr\Variable', $var);
+        $this->assertEquals(array(
+            'startLine' => 6,
+            'endLine' => 6,
+            'startTokenPos' => 18,
+            'endTokenPos' => 18,
+        ), $var->getAttributes());
+    }
+
+    /**
+     * @expectedException \RangeException
+     * @expectedExceptionMessage The lexer returned an invalid token (id=999, value=foobar)
+     */
+    public function testInvalidToken() {
+        $lexer = new InvalidTokenLexer;
+        $parser = $this->getParser($lexer);
+        $parser->parse('dummy');
+    }
+
+    /**
+     * @dataProvider provideTestExtraAttributes
+     */
+    public function testExtraAttributes($code, $expectedAttributes) {
+        $parser = $this->getParser(new Lexer);
+        $stmts = $parser->parse("<?php $code;");
+        $attributes = $stmts[0]->getAttributes();
+        foreach ($expectedAttributes as $name => $value) {
+            $this->assertSame($value, $attributes[$name]);
+        }
+    }
+
+    public function provideTestExtraAttributes() {
+        return array(
+            array('0', ['kind' => Scalar\LNumber::KIND_DEC]),
+            array('9', ['kind' => Scalar\LNumber::KIND_DEC]),
+            array('07', ['kind' => Scalar\LNumber::KIND_OCT]),
+            array('0xf', ['kind' => Scalar\LNumber::KIND_HEX]),
+            array('0XF', ['kind' => Scalar\LNumber::KIND_HEX]),
+            array('0b1', ['kind' => Scalar\LNumber::KIND_BIN]),
+            array('0B1', ['kind' => Scalar\LNumber::KIND_BIN]),
+            array('[]', ['kind' => Expr\Array_::KIND_SHORT]),
+            array('array()', ['kind' => Expr\Array_::KIND_LONG]),
+            array("'foo'", ['kind' => String_::KIND_SINGLE_QUOTED]),
+            array("b'foo'", ['kind' => String_::KIND_SINGLE_QUOTED]),
+            array("B'foo'", ['kind' => String_::KIND_SINGLE_QUOTED]),
+            array('"foo"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
+            array('b"foo"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
+            array('B"foo"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
+            array('"foo$bar"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
+            array('b"foo$bar"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
+            array('B"foo$bar"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
+            array("<<<'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']),
+            array("<<<STR\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
+            array("<<<\"STR\"\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
+            array("b<<<'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']),
+            array("B<<<'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']),
+            array("<<< \t 'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']),
+            // HHVM doesn't support this due to a lexer bug
+            // (https://github.com/facebook/hhvm/issues/6970)
+            // array("<<<'\xff'\n\xff\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => "\xff"]),
+            array("<<<\"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
+            array("b<<<\"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
+            array("B<<<\"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
+            array("<<< \t \"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
+            array("die", ['kind' => Expr\Exit_::KIND_DIE]),
+            array("die('done')", ['kind' => Expr\Exit_::KIND_DIE]),
+            array("exit", ['kind' => Expr\Exit_::KIND_EXIT]),
+            array("exit(1)", ['kind' => Expr\Exit_::KIND_EXIT]),
+            array("?>Foo", ['hasLeadingNewline' => false]),
+            array("?>\nFoo", ['hasLeadingNewline' => true]),
+            array("namespace Foo;", ['kind' => Node\Stmt\Namespace_::KIND_SEMICOLON]),
+            array("namespace Foo {}", ['kind' => Node\Stmt\Namespace_::KIND_BRACED]),
+            array("namespace {}", ['kind' => Node\Stmt\Namespace_::KIND_BRACED]),
+        );
+    }
+}
+
+class InvalidTokenLexer extends Lexer {
+    public function getNextToken(&$value = null, &$startAttributes = null, &$endAttributes = null) {
+        $value = 'foobar';
+        return 999;
+    }
+}