208 lines
8.7 KiB
PHP
208 lines
8.7 KiB
PHP
<?php
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namespace PhpParser;
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use PhpParser\Comment;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Name;
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use PhpParser\Node\Scalar\DNumber;
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use PhpParser\Node\Scalar\Encapsed;
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use PhpParser\Node\Scalar\EncapsedStringPart;
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use PhpParser\Node\Scalar\LNumber;
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use PhpParser\Node\Scalar\String_;
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use PhpParser\Node\Stmt;
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use PhpParser\PrettyPrinter\Standard;
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require_once __DIR__ . '/CodeTestAbstract.php';
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class PrettyPrinterTest extends CodeTestAbstract
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{
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protected function doTestPrettyPrintMethod($method, $name, $code, $expected, $modeLine) {
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$lexer = new Lexer\Emulative;
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$parser5 = new Parser\Php5($lexer);
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$parser7 = new Parser\Php7($lexer);
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list($version, $options) = $this->parseModeLine($modeLine);
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$prettyPrinter = new Standard($options);
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try {
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$output5 = canonicalize($prettyPrinter->$method($parser5->parse($code)));
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} catch (Error $e) {
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$output5 = null;
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if ('php7' !== $version) {
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throw $e;
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}
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}
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try {
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$output7 = canonicalize($prettyPrinter->$method($parser7->parse($code)));
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} catch (Error $e) {
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$output7 = null;
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if ('php5' !== $version) {
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throw $e;
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}
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}
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if ('php5' === $version) {
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$this->assertSame($expected, $output5, $name);
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$this->assertNotSame($expected, $output7, $name);
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} else if ('php7' === $version) {
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$this->assertSame($expected, $output7, $name);
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$this->assertNotSame($expected, $output5, $name);
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} else {
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$this->assertSame($expected, $output5, $name);
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$this->assertSame($expected, $output7, $name);
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}
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}
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/**
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* @dataProvider provideTestPrettyPrint
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* @covers PhpParser\PrettyPrinter\Standard<extended>
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*/
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public function testPrettyPrint($name, $code, $expected, $mode) {
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$this->doTestPrettyPrintMethod('prettyPrint', $name, $code, $expected, $mode);
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}
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/**
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* @dataProvider provideTestPrettyPrintFile
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* @covers PhpParser\PrettyPrinter\Standard<extended>
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*/
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public function testPrettyPrintFile($name, $code, $expected, $mode) {
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$this->doTestPrettyPrintMethod('prettyPrintFile', $name, $code, $expected, $mode);
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}
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public function provideTestPrettyPrint() {
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return $this->getTests(__DIR__ . '/../code/prettyPrinter', 'test');
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}
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public function provideTestPrettyPrintFile() {
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return $this->getTests(__DIR__ . '/../code/prettyPrinter', 'file-test');
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}
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public function testPrettyPrintExpr() {
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$prettyPrinter = new Standard;
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$expr = new Expr\BinaryOp\Mul(
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new Expr\BinaryOp\Plus(new Expr\Variable('a'), new Expr\Variable('b')),
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new Expr\Variable('c')
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);
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$this->assertEquals('($a + $b) * $c', $prettyPrinter->prettyPrintExpr($expr));
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$expr = new Expr\Closure(array(
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'stmts' => array(new Stmt\Return_(new String_("a\nb")))
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));
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$this->assertEquals("function () {\n return 'a\nb';\n}", $prettyPrinter->prettyPrintExpr($expr));
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}
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public function testCommentBeforeInlineHTML() {
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$prettyPrinter = new PrettyPrinter\Standard;
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$comment = new Comment\Doc("/**\n * This is a comment\n */");
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$stmts = [new Stmt\InlineHTML('Hello World!', ['comments' => [$comment]])];
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$expected = "<?php\n\n/**\n * This is a comment\n */\n?>\nHello World!";
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$this->assertSame($expected, $prettyPrinter->prettyPrintFile($stmts));
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}
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private function parseModeLine($modeLine) {
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$parts = explode(' ', $modeLine, 2);
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$version = isset($parts[0]) ? $parts[0] : 'both';
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$options = isset($parts[1]) ? json_decode($parts[1], true) : [];
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return [$version, $options];
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}
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public function testArraySyntaxDefault() {
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$prettyPrinter = new Standard(['shortArraySyntax' => true]);
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$expr = new Expr\Array_([
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new Expr\ArrayItem(new String_('val'), new String_('key'))
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]);
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$expected = "['key' => 'val']";
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$this->assertSame($expected, $prettyPrinter->prettyPrintExpr($expr));
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}
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/**
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* @dataProvider provideTestKindAttributes
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*/
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public function testKindAttributes($node, $expected) {
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$prttyPrinter = new PrettyPrinter\Standard;
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$result = $prttyPrinter->prettyPrintExpr($node);
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$this->assertSame($expected, $result);
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}
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public function provideTestKindAttributes() {
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$nowdoc = ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR'];
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$heredoc = ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR'];
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return [
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// Defaults to single quoted
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[new String_('foo'), "'foo'"],
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// Explicit single/double quoted
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[new String_('foo', ['kind' => String_::KIND_SINGLE_QUOTED]), "'foo'"],
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[new String_('foo', ['kind' => String_::KIND_DOUBLE_QUOTED]), '"foo"'],
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// Fallback from doc string if no label
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[new String_('foo', ['kind' => String_::KIND_NOWDOC]), "'foo'"],
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[new String_('foo', ['kind' => String_::KIND_HEREDOC]), '"foo"'],
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// Fallback if string contains label
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[new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'A']), "'A\nB\nC'"],
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[new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'B']), "'A\nB\nC'"],
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[new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'C']), "'A\nB\nC'"],
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[new String_("STR;", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']), "'STR;'"],
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// Doc string if label not contained (or not in ending position)
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[new String_("foo", $nowdoc), "<<<'STR'\nfoo\nSTR\n"],
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[new String_("foo", $heredoc), "<<<STR\nfoo\nSTR\n"],
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[new String_("STRx", $nowdoc), "<<<'STR'\nSTRx\nSTR\n"],
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[new String_("xSTR", $nowdoc), "<<<'STR'\nxSTR\nSTR\n"],
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// Empty doc string variations (encapsed variant does not occur naturally)
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[new String_("", $nowdoc), "<<<'STR'\nSTR\n"],
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[new String_("", $heredoc), "<<<STR\nSTR\n"],
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[new Encapsed([new EncapsedStringPart('')], $heredoc), "<<<STR\nSTR\n"],
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// Encapsed doc string variations
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[new Encapsed([new EncapsedStringPart('foo')], $heredoc), "<<<STR\nfoo\nSTR\n"],
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[new Encapsed([new EncapsedStringPart('foo'), new Expr\Variable('y')], $heredoc), "<<<STR\nfoo{\$y}\nSTR\n"],
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[new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
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[new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
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[new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("STR\n")], $heredoc), "<<<STR\n{\$y}STR\n\nSTR\n"],
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// Encapsed doc string fallback
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[new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("\nSTR")], $heredoc), '"{$y}\\nSTR"'],
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[new Encapsed([new EncapsedStringPart("STR\n"), new Expr\Variable('y')], $heredoc), '"STR\\n{$y}"'],
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[new Encapsed([new EncapsedStringPart("STR")], $heredoc), '"STR"'],
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];
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}
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/** @dataProvider provideTestUnnaturalLiterals */
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public function testUnnaturalLiterals($node, $expected) {
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$prttyPrinter = new PrettyPrinter\Standard;
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$result = $prttyPrinter->prettyPrintExpr($node);
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$this->assertSame($expected, $result);
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}
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public function provideTestUnnaturalLiterals() {
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return [
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[new LNumber(-1), '-1'],
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[new LNumber(-PHP_INT_MAX - 1), '(-' . PHP_INT_MAX . '-1)'],
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[new LNumber(-1, ['kind' => LNumber::KIND_BIN]), '-0b1'],
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[new LNumber(-1, ['kind' => LNumber::KIND_OCT]), '-01'],
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[new LNumber(-1, ['kind' => LNumber::KIND_HEX]), '-0x1'],
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[new DNumber(\INF), '\INF'],
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[new DNumber(-\INF), '-\INF'],
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[new DNumber(-\NAN), '\NAN'],
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];
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}
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/**
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* @expectedException \LogicException
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* @expectedExceptionMessage Cannot pretty-print AST with Error nodes
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*/
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public function testPrettyPrintWithError() {
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$stmts = [new Expr\PropertyFetch(new Expr\Variable('a'), new Expr\Error())];
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$prettyPrinter = new PrettyPrinter\Standard;
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$prettyPrinter->prettyPrint($stmts);
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}
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/**
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* @expectedException \LogicException
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* @expectedExceptionMessage Cannot pretty-print AST with Error nodes
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*/
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public function testPrettyPrintWithErrorInClassConstFetch() {
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$stmts = [new Expr\ClassConstFetch(new Name('Foo'), new Expr\Error())];
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$prettyPrinter = new PrettyPrinter\Standard;
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$prettyPrinter->prettyPrint($stmts);
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}
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}
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