function Assert::assertEmpty

Asserts that a variable is empty.

@psalm-assert empty $actual

Throws

ExpectationFailedException

GeneratorNotSupportedException

4 calls to Assert::assertEmpty()

CompoundConstraintTestCase::assertViolationsRaisedByCompound in vendor/symfony/validator/Test/CompoundConstraintTestCase.php
Functions.php in vendor/phpunit/phpunit/src/Framework/Assert/Functions.php
TestCase::assertNoSniffErrorInFile in vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/TestCase.php
TestCase::assertNoSniffWarningInFile in vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/TestCase.php

File

vendor/phpunit/phpunit/src/Framework/Assert.php, line 397

Class

Assert: @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit

Namespace

PHPUnit\Framework

Code

public static final function assertEmpty(mixed $actual, string $message = '') : void {
    if ($actual instanceof Generator) {
        throw GeneratorNotSupportedException::fromParameterName('$actual');
    }
    static::assertThat($actual, static::isEmpty(), $message);
}