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103 lines
2.3 KiB
PHP
103 lines
2.3 KiB
PHP
--TEST--
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Test mt_rand() - basic function test mt_rand()
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--FILE--
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<?php
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$default_max = mt_getrandmax();
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echo "\nmt_rand() tests with default min and max value (i.e 0 thru ", $default_max, ")\n";
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for ($i = 0; $i < 100; $i++) {
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$res = mt_rand();
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// By default RAND_MAX is 32768 although no constant is defined for it for user space apps
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if (!is_int($res) || $res < 0 || $res > $default_max) {
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break;
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}
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}
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if ($i != 100) {
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echo "FAILED: res = ", $res, " min = 0 max = ", $default_max, "\n";
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} else {
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echo "PASSED: range min = 0 max = ", $default_max, "\n";
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}
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echo "\nmt_rand() tests with defined min and max value\n";
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$min = array(10,
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100,
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10.5,
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10.5e3,
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0x10,
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0400);
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$max = array(100,
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1000,
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19.5,
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10.5e5,
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0x10000,
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0700);
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for ($x = 0; $x < count($min); $x++) {
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for ($i = 0; $i < 100; $i++) {
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$res = mt_rand($min[$x], $max[$x]);
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if (!is_int($res) || $res < intval($min[$x]) || $res > intval($max[$x])) {
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echo "FAILED: res = ", $res, " min = ", intval($min[$x]), " max = ", intval($max[$x]), "\n";
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break;
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}
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}
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if ($i == 100) {
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echo "PASSED: range min = ", intval($min[$x]), " max = ", intval($max[$x]), "\n";
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}
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}
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echo "\nNon-numeric cases\n";
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$min = array(true,
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false,
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null,
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"10",
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"0x10",
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"10.5");
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// Eexepcted numerical equivalent of above non-numerics
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$minval = array(1,
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0,
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0,
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10,
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0,
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10);
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for ($x = 0; $x < count($min); $x++) {
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for ($i = 0; $i < 100; $i++) {
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$res = mt_rand($min[$x], 100);
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if (!is_int($res) || $res < intval($minval[$x]) || $res > 100) {
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echo "FAILED: res = ", $res, " min = ", intval($min[$x]), " max = ", intval($max[$x]), "\n";
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break;
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}
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}
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if ($i == 100) {
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echo "PASSED range min = ", intval($min[$x]), " max = 100\n";
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}
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}
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?>
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--EXPECTF--
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mt_rand() tests with default min and max value (i.e 0 thru 2147483647)
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PASSED: range min = 0 max = 2147483647
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mt_rand() tests with defined min and max value
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PASSED: range min = 10 max = 100
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PASSED: range min = 100 max = 1000
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PASSED: range min = 10 max = 19
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PASSED: range min = 10500 max = 1050000
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PASSED: range min = 16 max = 65536
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PASSED: range min = 256 max = 448
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Non-numeric cases
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PASSED range min = 1 max = 100
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PASSED range min = 0 max = 100
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PASSED range min = 0 max = 100
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PASSED range min = 10 max = 100
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PASSED range min = 0 max = 100
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PASSED range min = 10 max = 100
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