2020-05-18 22:22:50 +02:00
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<?php
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declare(strict_types=1);
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namespace Psalm\Tests;
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class CloneTest extends TestCase
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{
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use Traits\InvalidCodeAnalysisTestTrait;
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use Traits\ValidCodeAnalysisTestTrait;
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/**
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* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
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*/
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public function providerValidCodeParse()
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{
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return [
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'cloneCorrect' => [
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'<?php
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class A {}
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function foo(A $a) : A {
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return clone $a;
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}
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$a = foo(new A());',
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],
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'cloneCorrectWithPublicMethod' => [
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'<?php
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class A {
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public function __clone() {}
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}
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function foo(A $a) : A {
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return clone $a;
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}
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foo(new A());',
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],
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'clonePrivateInternally' => [
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'<?php
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class A {
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private function __clone() {}
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public function foo(): self {
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return clone $this;
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}
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}',
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],
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];
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}
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/**
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* @return iterable<string,array{string,error_message:string,2?:string[],3?:bool,4?:string}>
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*/
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public function providerInvalidCodeParse()
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{
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return [
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'invalidIntClone' => [
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'<?php
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$a = 5;
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clone $a;',
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'error_message' => 'InvalidClone',
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],
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2020-05-18 23:18:13 +02:00
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'possiblyInvalidIntClone' => [
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'<?php
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$a = rand(0, 1) ? 5 : new Exception();
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clone $a;',
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'error_message' => 'PossiblyInvalidClone',
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],
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2020-05-18 22:22:50 +02:00
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'invalidMixedClone' => [
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'<?php
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/** @var mixed $a */
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$a = 5;
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clone $a;',
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2020-05-18 23:18:13 +02:00
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'error_message' => 'MixedClone',
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2020-05-18 22:22:50 +02:00
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],
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'notVisibleCloneMethod' => [
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'<?php
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class A {
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private function __clone() {}
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}
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$a = new A();
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clone $a;',
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'error_message' => 'InvalidClone',
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],
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'invalidGenericClone' => [
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'<?php
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/**
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* @template T as int|string
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* @param T $a
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*/
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function foo($a): void {
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clone $a;
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}',
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'error_message' => 'InvalidClone',
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],
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'possiblyInvalidGenericClone' => [
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'<?php
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/**
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2020-05-18 23:18:13 +02:00
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* @template T as int|Exception
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2020-05-18 22:22:50 +02:00
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* @param T $a
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*/
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function foo($a): void {
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clone $a;
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}',
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'error_message' => 'PossiblyInvalidClone',
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],
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2020-05-18 23:18:13 +02:00
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'mixedGenericClone' => [
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'<?php
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/**
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* @template T
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* @param T $a
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*/
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function foo($a): void {
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clone $a;
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}',
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'error_message' => 'MixedClone',
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],
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2020-05-18 22:22:50 +02:00
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'mixedTypeInferredIfErrors' => [
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'<?php
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class A {}
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/**
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* @param A|string $a
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*/
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function foo($a): void {
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/**
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* @psalm-suppress PossiblyInvalidClone
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*/
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$cloned = clone $a;
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}',
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'error_message' => 'MixedAssignment',
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]
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];
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}
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}
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