assertNan()

1	`assertNan(mixed` `$variable[, string` `$message` `=` `''])`

Reports an error identified by $message if $variable is not NAN.

Example A.38: Usage of assertNan()

<?php
use PHPUnit\Framework\TestCase;
 
class NanTest extends TestCase
{
    public function testFailure()
    {
        $this->assertNan(1);
    }
}
?>

phpunit NanTest
PHPUnit 5.6.0 by Sebastian Bergmann and contributors.
 
F
 
Time: 0 seconds, Memory: 5.00Mb
 
There was 1 failure:
 
1) NanTest::testFailure
Failed asserting that 1 is nan.
 
/home/sb/NanTest.php:6
 
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.

Links:

https://phpunit.de/manual/5.6/en/appendixes.assertions.html#appendixes.assertions.assertNan

doc_PHPUnit

2025-01-10 15:47:30

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