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PHPUnit assertIsInt() Function

  • Last Updated : 07 Aug, 2020

The assertIsInt() function is a builtin function in PHPUnit and is used to assert whether the given actual variable is an integer or not. This assertion will return true in the case if the actual variable is an integer else returns false. In case of true the asserted test case got passed else test case got failed.

Syntax:

assertIsInt($actual[, $message = ''])

Parameters: This function accepts two parameters as mentioned above and described below:

  • $actual: This parameter is of any type of variable which represents the actual data.
  • $message: This parameter takes a string value. When the test case got failed this string message got displayed as an error message.

 Below examples illustrate the assertIsInt() function in PHPUnit:

Example 1:



PHP




<?php 
use PHPUnit\Framework\TestCase; 
    
class GeeksPhpunitTestCase extends TestCase 
    public function testNegativeForassertIsInt()
          
    {   
     $actualvalue = 550.33;
        // Assert function to test whether actual 
        // variable is Integer or not
        $this->assertIsInt(
          
            $actualvalue
            "actual value is Integer or not"
        );
          
    }
   
 
?>

Output:

PHPUnit 8.5.8 by Sebastian Bergmann and contributors.

F                                                 1 / 1 (100%)

Time: 104 ms, Memory: 10.00 MB

There was 1 failure:

1) GeeksPhpunitTestCase::testNegativeForassertIsInt
actual value is Integer or not
Failed asserting that 550.33 is of type "int".

/home/lovely/Documents/php/test.php:16

FAILURES!
Tests: 1, Assertions: 1, Failures: 1.

Example 2:

PHP




<?php 
use PHPUnit\Framework\TestCase; 
    
class GeeksPhpunitTestCase extends TestCase 
    public function testPositiveForassertIsInt()
          
    {   
     $actualvalue = 101;
        // Assert function to test whether actual 
        // variable is Integer or not
        $this->assertIsInt(
          
            $actualvalue
            "actual value is Integer or not"
        );
          
    }
   
 
?> 

Output:

PHPUnit 8.5.8 by Sebastian Bergmann and contributors.

.                                                 1 / 1 (100%)

Time: 88 ms, Memory: 10.00 MB

OK (1 test, 1 assertion)



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