📄 Viewing: runtime_compile_time_binary_operands.phpt

--TEST--
Test binary operands exposing the same behavior at compile as at run time
--INI--
memory_limit=256M
--FILE--
<?php

$operands = [
	"==",
	"!=",
	"===",
	"!==",
	"<",
	"<=",
	">",
	">=",
	"<=>",
	"+",
	"-",
	"*",
	"/",
	"%",
	"**",
	".",
	"|",
	"&",
	"^",
	"or",
	"and",
	"xor",
	"||",
	"&&",
];

$input = [
	0,
	1,
	2,
	-1,
	2.0,
	2.1,
	-2.0,
	-2.1,
	PHP_INT_MAX,
	PHP_INT_MIN,
	PHP_INT_MAX * 2,
	PHP_INT_MIN * 2,
	INF,
	NAN,
	[],
	[1, 2],
	[1, 2, 3],
	[1 => 2, 0 => 1],
	[1, 'a' => 2],
	[1, 4],
	[1, 'a'],
	[1, 2 => 2],
	[1, [ 2 ]],
	null,
	false,
	true,
	"",
	" ",
	"banana",
	"Banana",
	"banan",
	"0",
	"200",
	"20",
	"20a",
	" \t\n\r\v\f20",
	"20  ",
	"2e1",
	"2e150",
	"9179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368",
	"-9179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368",
	"0.1",
	"-0.1",
	"1e-1",
	"-20",
	"-20.0",
	"0x14",
	(string) PHP_INT_MAX * 2,
	(string) PHP_INT_MIN * 2,
];

function makeParam($param) {
	if ($param === PHP_INT_MIN) {
		return "PHP_INT_MIN";
	}
	if ($param === PHP_INT_MAX) {
		return "PHP_INT_MAX";
	}
	if (is_string($param)) {
		return '"' . strtr($param, ["\t" => '\t', "\n" => '\n', "\r" => '\r', "\v" => '\v', "\f" => '\f', '$' => '\$', '"' => '\"']) . '"';
	}
	return "(" . str_replace("\n", "", var_export($param, true)) . ")";
}

$c = 0;
$f = 0;

function prepareLine($op1, $op2, $cmp, $operator) {
	
	$op1_p = makeParam($op1);
	$op2_p = makeParam($op2);

	$error = "echo '" . addcslashes("$op1_p $operator $op2_p", "\\'") . '\', "\n"; $f++;';

	$compare = "@($op1_p $operator $op2_p)";
	$line = "\$c++; ";
	try {
		$result = makeParam($cmp());
		$line .= "if (" . ($result === "(NAN)" ? "!is_nan($compare)" : "$compare !== $result") . ") { $error }";
	} catch (Error $e) {
		if (get_class($e) == "Error") {
			return "// exempt $op1_p $operator $op2_p from checking, it generates a compile time error";
		}
		$msg = makeParam($e->getMessage());
		$line .= "try { $compare; $error } catch (Error \$e) { if (\$e->getMessage() !== $msg) { $error } }";
	}
	return $line;
}

$filename = __DIR__ . DIRECTORY_SEPARATOR . 'compare_binary_operands_temp.php';
$file = fopen($filename, "w");

fwrite($file, "<?php\n");

foreach ($input as $left) {
	foreach ($input as $right) {
		foreach ($operands as $operand) {
			$line = prepareLine($left, $right, function() use ($left, $right, $operand) {
				return eval("return @(\$left $operand \$right);");
			}, $operand);
			fwrite($file, $line . "\n");
		}
	}
}

fclose($file);

include $filename;

if($c === 0) {
	echo "Completely failed\n";
} else {
	echo "Failed: $f\n";
}
?>
===DONE===
--CLEAN--
<?php
$fl = __DIR__ . DIRECTORY_SEPARATOR . 'compare_binary_operands_temp.php';
@unlink($fl);
?>
--EXPECT--
Failed: 0
===DONE===

🌑 DarkStealth — WP Plugin Edition

📁 Path: usr/src/php-7.4.23/Zend/tests/

Directory: /usr/src/php-7.4.23/Zend/tests