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PHPunit | AssertNotEquals () Function

Syntax:
assertNotEquals (mixed $expected, mixed $actual, string $message = ’’) 
Parameters: This function takes three parameters as shown in the above syntax. The parameters are described below:
  • $Expected: This parameter is of any type that represents the expected data.
  • $actual: this parameter is of any type that represents actual data.
  • $message: this parameter accepts a string value. When the test case failed, this string message was displayed as an error message.
The following programs illustrate the assertNotEquals() function in PHPUnit: Program 1: use PHPUnitFrameworkTestCase; class GeeksPhpunitTestCase extends TestCase { public function testNegativeTestcaseForAssertNotEquals() { $expected = " engineer " ; $actual = "engineer" ; // Submit function to check if expected // value does not match actual or not $this -> assertNotEquals ( $expected , $actual , "actual value is equals to expected" ); } }  
?>
Output:
PHPUnit 8.2.5 by Sebastian Bergmann and contributors. F 1/1 (100%) Time: 67 ms, Memory: 10.00 MB There was 1 failure: 1) GeeksPhpunitTestCase::testNegativeTestcaseForAssertNotEquals actual value is equals to expected Failed asserting that ’engineer’ is not equal to’ engineer’. /home/shivam/Documents/engineer/phpunit/abc.php:15 FAILURES! Tests: 1, Assertions: 1, Failures: 1. 
Program 2: use PHPUnitFrameworkTestCase; class GeeksPhpunitTestCase extends TestCase { public function testPositiveTestcaseForAssertNotEquals() { $expected = " engineer " ; $actual = "Geeks" ; // Submit function to check if expected // value does not match actual or not $this -> assertNotEquals ( $expected , $actual , "actual value is not equals to expected" ); } }  
?>
Output:
PHPUnit 8.2.5 by Sebastian Bergmann and contributors. ... 1/1 (100%) Time: 67 ms, Memory: 10.00 MB OK (1 test, 1 assertion) 
Note: To run testcases with PHPUnit steps follows from here . Also assertNotEquals() is supported by phpunit 7 and up.

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