PhpParser\PrettyPrinterTest::doTestPrettyPrintMethod PHP Method

    protected function doTestPrettyPrintMethod($method, $name, $code, $expected, $modeLine) {
        $lexer = new Lexer\Emulative;
        $parser5 = new Parser\Php5($lexer);
        $parser7 = new Parser\Php7($lexer);

        list($version, $options) = $this->parseModeLine($modeLine);
        $prettyPrinter = new Standard($options);

        try {
            $output5 = canonicalize($prettyPrinter->$method($parser5->parse($code)));
        } catch (Error $e) {
            $output5 = null;
            if ('php7' !== $version) {
                throw $e;
            }
        }

        try {
            $output7 = canonicalize($prettyPrinter->$method($parser7->parse($code)));
        } catch (Error $e) {
            $output7 = null;
            if ('php5' !== $version) {
                throw $e;
            }
        }

        if ('php5' === $version) {
            $this->assertSame($expected, $output5, $name);
            $this->assertNotSame($expected, $output7, $name);
        } else if ('php7' === $version) {
            $this->assertSame($expected, $output7, $name);
            $this->assertNotSame($expected, $output5, $name);
        } else {
            $this->assertSame($expected, $output5, $name);
            $this->assertSame($expected, $output7, $name);
        }
    }