Viewing file:  constant_fold_test_generator.php (2.33 KB) -rw-rw-r--
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<?php
include "test/framework/lib/header.php";
/* For each type of scalar, create an expression with each other type of
* scalar and each operator. Put all errors and warnings into a file each,
* with regexes created for the testing framework. Put all other expressions
* into a single file. */
$scalars = array ("0", "1", "5", "-1", "-10000", "true", "false", "\"String\"", "\"num3\"", "\"3\"", "6.702", "40.4e3", "0x786F");
$bin_ops = array ("+", "-", "/", "*", "%", "^", "&", "|", ".", "==", "===", "!=", "<>", "!==", "<=", ">=", "&&", "||", "<<", ">>");
$unary_ops = array ( "~", "!");
// These ops dont really make sense, and probably dont even parse (using a const on lhs)
// $bad_ops = array ( "+=", "-=", "*=", "/=", ".=",
// "%=", "&=", "|=", "^=", "<<=", ">>=");
// Initialize
$good = array ();
$bad = array ();
$dont = array ();
// Run the tests
foreach ($scalars as $s1)
{
foreach ($scalars as $s2)
{
foreach ($bin_ops as $b)
{
// dont repeat tests with the same operator and 2nd operand
if (empty ($dont["$b$s2"]))
if (!test ("$s1 $b $s2"))
$dont["$b$s2"] = true;
}
}
foreach ($unary_ops as $u)
{
test ("$u $s1");
}
}
// Create test files
$good = join ("\n", $good);
$good = "<?php\n$good\n?>";
$filename = "test/subjects/parsing/constant_folding.php";
file_put_contents ($filename, $good);
$i = 0;
foreach ($bad as $b)
{
list ($string, $out, $err, $exit) = $b;
$out = trim ($out);
$out = homogenize_all ($out, $filename);
$out = convert_to_phc_annotation ($out);
// make an error template
$string = "<?php\n"
. "var_dump ($string); // { $out }\n"
. "?>";
// error or warning
if ($exit)
file_put_contents ("test/subjects/errors/constant_folding$i.php", $string);
else
file_put_contents ("test/subjects/warnings/constant_folding$i.php", $string);
$i++;
}
function test ($str)
{
list ($out, $err, $exit) = complete_exec ("echo '<?php \$x = $str ?>' | php");
if ($exit || $out)
{
global $bad;
$bad[] = array ($str, $out, $err, $exit);
return false; // indicate we dont want to test this again
}
else
{
global $good;
$good[] = "var_dump ($str);";
return true;
}
}
function convert_to_phc_annotation ($string)
{
$string = preg_replace ("/Warning/", "phc-warning", $string);
return $string;
}
?>
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