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CallToFunctionStatementWithoutSideEffectsRuleTest.php
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CallToFunctionStatementWithoutSideEffectsRuleTest.php
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<?php declare(strict_types = 1);
namespace PHPStan\Rules\Functions;
use PHPStan\Rules\Rule;
use PHPStan\Testing\RuleTestCase;
use const PHP_VERSION_ID;
/**
* @extends RuleTestCase<CallToFunctionStatementWithoutSideEffectsRule>
*/
class CallToFunctionStatementWithoutSideEffectsRuleTest extends RuleTestCase
{
protected function getRule(): Rule
{
return new CallToFunctionStatementWithoutSideEffectsRule($this->createReflectionProvider());
}
public function testRule(): void
{
$this->analyse([__DIR__ . '/data/function-call-statement-no-side-effects.php'], [
[
'Call to function sprintf() on a separate line has no effect.',
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],
[
'Call to function file_get_contents() on a separate line has no effect.',
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],
[
'Call to function file_get_contents() on a separate line has no effect.',
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],
[
'Call to function var_export() on a separate line has no effect.',
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],
[
'Call to function print_r() on a separate line has no effect.',
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],
]);
if (PHP_VERSION_ID < 80000) {
return;
}
$this->analyse([__DIR__ . '/data/function-call-statement-no-side-effects-8.0.php'], [
[
'Call to function file_get_contents() on a separate line has no effect.',
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],
[
'Call to function file_get_contents() on a separate line has no effect.',
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],
[
'Call to function file_get_contents() on a separate line has no effect.',
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],
[
'Call to function file_get_contents() on a separate line has no effect.',
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],
[
'Call to function var_export() on a separate line has no effect.',
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],
[
'Call to function print_r() on a separate line has no effect.',
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],
]);
}
public function testPhpDoc(): void
{
require_once __DIR__ . '/data/function-call-statement-no-side-effects-phpdoc-definition.php';
$this->analyse([__DIR__ . '/data/function-call-statement-no-side-effects-phpdoc.php'], [
[
'Call to function FunctionCallStatementNoSideEffectsPhpDoc\pure1() on a separate line has no effect.',
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],
[
'Call to function FunctionCallStatementNoSideEffectsPhpDoc\pure2() on a separate line has no effect.',
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],
[
'Call to function FunctionCallStatementNoSideEffectsPhpDoc\pure3() on a separate line has no effect.',
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],
[
'Call to function FunctionCallStatementNoSideEffectsPhpDoc\pureAndThrowsVoid() on a separate line has no effect.',
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],
]);
}
public function testBug4455(): void
{
require_once __DIR__ . '/data/bug-4455.php';
$this->analyse([__DIR__ . '/data/bug-4455.php'], []);
}
public function testFirstClassCallables(): void
{
$this->analyse([__DIR__ . '/data/first-class-callable-function-without-side-effect.php'], [
[
'Call to function mkdir() on a separate line has no effect.',
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],
[
'Call to function strlen() on a separate line has no effect.',
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],
[
'Call to function FirstClassCallableFunctionWithoutSideEffect\foo() on a separate line has no effect.',
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],
[
'Call to function FirstClassCallableFunctionWithoutSideEffect\bar() on a separate line has no effect.',
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],
]);
}
}