PhpParser\PrettyPrinterTest::provideTestKindAttributes PHP Method

    public function provideTestKindAttributes() {
        $nowdoc = ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR'];
        $heredoc = ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR'];
        return [
            // Defaults to single quoted
            [new String_('foo'), "'foo'"],
            // Explicit single/double quoted
            [new String_('foo', ['kind' => String_::KIND_SINGLE_QUOTED]), "'foo'"],
            [new String_('foo', ['kind' => String_::KIND_DOUBLE_QUOTED]), '"foo"'],
            // Fallback from doc string if no label
            [new String_('foo', ['kind' => String_::KIND_NOWDOC]), "'foo'"],
            [new String_('foo', ['kind' => String_::KIND_HEREDOC]), '"foo"'],
            // Fallback if string contains label
            [new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'A']), "'A\nB\nC'"],
            [new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'B']), "'A\nB\nC'"],
            [new String_("A\nB\nC", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'C']), "'A\nB\nC'"],
            [new String_("STR;", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']), "'STR;'"],
            // Doc string if label not contained (or not in ending position)
            [new String_("foo", $nowdoc), "<<<'STR'\nfoo\nSTR\n"],
            [new String_("foo", $heredoc), "<<<STR\nfoo\nSTR\n"],
            [new String_("STRx", $nowdoc), "<<<'STR'\nSTRx\nSTR\n"],
            [new String_("xSTR", $nowdoc), "<<<'STR'\nxSTR\nSTR\n"],
            // Empty doc string variations (encapsed variant does not occur naturally)
            [new String_("", $nowdoc), "<<<'STR'\nSTR\n"],
            [new String_("", $heredoc), "<<<STR\nSTR\n"],
            [new Encapsed([new EncapsedStringPart('')], $heredoc), "<<<STR\nSTR\n"],
            // Encapsed doc string variations
            [new Encapsed([new EncapsedStringPart('foo')], $heredoc), "<<<STR\nfoo\nSTR\n"],
            [new Encapsed([new EncapsedStringPart('foo'), new Expr\Variable('y')], $heredoc), "<<<STR\nfoo{\$y}\nSTR\n"],
            [new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
            [new Encapsed([new EncapsedStringPart("\nSTR"), new Expr\Variable('y')], $heredoc), "<<<STR\n\nSTR{\$y}\nSTR\n"],
            [new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("STR\n")], $heredoc), "<<<STR\n{\$y}STR\n\nSTR\n"],
            // Encapsed doc string fallback
            [new Encapsed([new Expr\Variable('y'), new EncapsedStringPart("\nSTR")], $heredoc), '"{$y}\\nSTR"'],
            [new Encapsed([new EncapsedStringPart("STR\n"), new Expr\Variable('y')], $heredoc), '"STR\\n{$y}"'],
            [new Encapsed([new EncapsedStringPart("STR")], $heredoc), '"STR"'],
        ];
    }