mirror of
https://github.com/danog/psalm.git
synced 2024-11-27 12:55:26 +01:00
1055 lines
31 KiB
PHP
1055 lines
31 KiB
PHP
<?php
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namespace Psalm\Tests;
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class TraitTest 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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'accessiblePrivateMethodFromTrait' => [
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'<?php
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trait T {
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private function fooFoo(): void {
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}
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}
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class B {
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use T;
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public function doFoo(): void {
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$this->fooFoo();
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}
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}',
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],
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'accessibleProtectedMethodFromTrait' => [
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'<?php
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trait T {
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protected function fooFoo(): void {
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}
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}
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class B {
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use T;
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public function doFoo(): void {
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$this->fooFoo();
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}
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}',
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],
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'accessiblePublicMethodFromTrait' => [
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'<?php
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trait T {
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public function fooFoo(): void {
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}
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}
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class B {
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use T;
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public function doFoo(): void {
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$this->fooFoo();
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}
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}',
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],
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'accessiblePrivatePropertyFromTrait' => [
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'<?php
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trait T {
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/** @var string */
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private $fooFoo = "";
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}
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class B {
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use T;
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public function doFoo(): void {
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echo $this->fooFoo;
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$this->fooFoo = "hello";
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}
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}',
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],
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'accessibleProtectedPropertyFromTrait' => [
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'<?php
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trait T {
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/** @var string */
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protected $fooFoo = "";
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}
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class B {
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use T;
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public function doFoo(): void {
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echo $this->fooFoo;
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$this->fooFoo = "hello";
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}
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}',
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],
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'accessiblePublicPropertyFromTrait' => [
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'<?php
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trait T {
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/** @var string */
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public $fooFoo = "";
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}
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class B {
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use T;
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public function doFoo(): void {
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echo $this->fooFoo;
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$this->fooFoo = "hello";
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}
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}',
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],
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'accessibleProtectedMethodFromInheritedTrait' => [
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'<?php
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trait T {
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protected function fooFoo(): void {
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}
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}
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class B {
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use T;
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}
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class C extends B {
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public function doFoo(): void {
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$this->fooFoo();
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}
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}',
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],
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'accessiblePublicMethodFromInheritedTrait' => [
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'<?php
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trait T {
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public function fooFoo(): void {
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}
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}
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class B {
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use T;
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}
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class C extends B {
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public function doFoo(): void {
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$this->fooFoo();
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}
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}',
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],
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'staticClassMethodFromWithinTrait' => [
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'<?php
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trait T {
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public function fooFoo(): void {
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self::barBar();
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}
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}
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class B {
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use T;
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public static function barBar(): void {
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}
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}',
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],
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'redefinedTraitMethodWithoutAlias' => [
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'<?php
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trait T {
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public function fooFoo(): void {
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}
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}
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class B {
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use T;
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public function fooFoo(string $a): void {
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}
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}
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(new B)->fooFoo("hello");',
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],
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'redefinedTraitMethodWithAlias' => [
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'<?php
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trait T {
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public function fooFoo(): void {
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}
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}
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class B {
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use T {
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fooFoo as barBar;
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}
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public function fooFoo(): void {
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$this->barBar();
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}
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}',
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],
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'traitSelf' => [
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'<?php
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trait T {
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public function g(): self
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{
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return $this;
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}
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}
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class A {
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use T;
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}
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$a = (new A)->g();',
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'assertions' => [
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'$a' => 'A',
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],
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],
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'parentTraitSelf' => [
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'<?php
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trait T {
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public function g(): self
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{
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return $this;
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}
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}
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class A {
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use T;
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}
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class B extends A {
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}
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class C {
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use T;
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}
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$a = (new B)->g();',
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'assertions' => [
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'$a' => 'A',
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],
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],
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'directStaticCall' => [
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'<?php
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trait T {
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/** @return void */
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public static function foo() {}
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}
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class A {
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use T;
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/** @return void */
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public function bar() {
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T::foo();
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}
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}',
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],
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'abstractTraitMethod' => [
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'<?php
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trait T {
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/** @return void */
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abstract public function foo();
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}
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abstract class A {
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use T;
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/** @return void */
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public function bar() {
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$this->foo();
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}
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}',
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],
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'instanceOfTraitUser' => [
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'<?php
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trait T {
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public function f(): void {
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if ($this instanceof A) { }
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}
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}
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class A {
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use T;
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}
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class B {
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use T;
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}',
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],
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'getClassTraitUser' => [
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'<?php
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trait T {
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public function f(): void {
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if (get_class($this) === B::class) {
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$this->foo();
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}
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}
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}
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class A {
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use T;
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}
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class B {
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use T;
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public function foo() : void {}
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}',
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],
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'staticClassTraitUser' => [
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'<?php
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trait T {
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public function f(): void {
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if (static::class === B::class) {
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$this->foo();
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}
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}
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}
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class A {
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use T;
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}
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class B {
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use T;
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public function foo() : void {}
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}',
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],
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'isAClassTraitUserStringClass' => [
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'<?php
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trait T {
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public function f(): void {
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if (is_a(static::class, "B")) { }
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}
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}
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class A {
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use T;
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}
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class B {
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use T;
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public function foo() : void {}
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}',
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],
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'isAClassTraitUserClassConstant' => [
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'<?php
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trait T {
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public function f(): void {
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if (is_a(static::class, "B")) { }
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}
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}
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class A {
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use T;
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}
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class B {
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use T;
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public function foo() : void {}
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}',
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],
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'useTraitInClassWithAbstractMethod' => [
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'<?php
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trait T {
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abstract public function foo(): void;
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}
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class A {
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public function foo(): void {}
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}',
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],
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'useTraitInSubclassWithAbstractMethod' => [
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'<?php
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trait T {
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abstract public function foo(): void;
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}
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abstract class A {
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public function foo(): void {}
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}
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class B extends A {
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use T;
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}',
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],
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'useTraitInSubclassWithAbstractMethodInParent' => [
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'<?php
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trait T {
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public function foo(): void {}
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}
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abstract class A {
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abstract public function foo(): void {}
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}
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class B extends A {
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use T;
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}',
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],
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'differentMethodReturnTypes' => [
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'<?php
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trait T {
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public static function getSelf(): self {
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return new self();
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}
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public static function callGetSelf(): self {
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return self::getSelf();
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}
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}
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class A {
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use T;
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}
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class B {
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use T;
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}',
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],
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'parentRefInTraitShouldNotFail' => [
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'<?php
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trait T {
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public function foo(): void {
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parent::foo();
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}
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}
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class A {
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public function foo(): void {}
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}
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class B extends A {
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use T;
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}',
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],
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'namespacedTraitLookup' => [
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'<?php
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namespace Classes {
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use Traits\T;
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class A {}
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|
class B {
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use T;
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}
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}
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|
namespace Traits {
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use Classes\A;
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trait T {
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public function getA() : A {
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return new A;
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}
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}
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}
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namespace {
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$a = (new Classes\B)->getA();
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}',
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],
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'useAndMap' => [
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'<?php
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class C
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{
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use T2;
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use T1 {
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traitFunc as _func;
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}
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|
public static function func(): void
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{
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static::_func();
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}
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}
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trait T1
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{
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public static function traitFunc(): void {}
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}
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trait T2 { }',
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],
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'mapAndUse' => [
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'<?php
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class C
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{
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use T1 {
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traitFunc as _func;
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}
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use T2;
|
|
|
|
public static function func(): void
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{
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static::_func();
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}
|
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}
|
|
trait T1
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{
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public static function traitFunc(): void {}
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}
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trait T2 { }',
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|
],
|
|
'moreArgsInDefined' => [
|
|
'<?php
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trait T {
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abstract public function foo() : void;
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|
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public function callFoo() : void {
|
|
$this->foo();
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}
|
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}
|
|
|
|
class A {
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use T;
|
|
|
|
public function foo(string $s = null) : void {
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|
|
}
|
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}',
|
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],
|
|
'aliasedMethodInternalCallNoReplacement' => [
|
|
'<?php
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|
trait T {
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public function foo() : int {
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return $this->bar();
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}
|
|
|
|
public function bar() : int {
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return 3;
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}
|
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}
|
|
|
|
class A {
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use T {
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bar as bat;
|
|
}
|
|
|
|
public function baz() : int {
|
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return $this->bar();
|
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}
|
|
}',
|
|
],
|
|
'aliasedMethodInternalCallWithLocalDefinition' => [
|
|
'<?php
|
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trait T {
|
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public function bar() : int {
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return 3;
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}
|
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}
|
|
|
|
class A {
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use T {
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bar as bat;
|
|
}
|
|
|
|
public function bar() : string {
|
|
return "hello";
|
|
}
|
|
|
|
public function baz() : string {
|
|
return $this->bar();
|
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}
|
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}',
|
|
],
|
|
'allMethodsReplaced' => [
|
|
'<?php
|
|
trait T {
|
|
protected function foo() : void {}
|
|
|
|
public function bat() : void {
|
|
$this->foo();
|
|
}
|
|
}
|
|
|
|
class C {
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|
use T;
|
|
|
|
protected function foo(string $s) : void {}
|
|
|
|
public function bat() : void {
|
|
$this->foo("bat");
|
|
}
|
|
}',
|
|
],
|
|
'aliasedPrivateMethodInternalCallWithLocalDefinition' => [
|
|
'<?php
|
|
trait T1 {
|
|
use T2;
|
|
|
|
private function foo() : int {
|
|
return $this->bar();
|
|
}
|
|
}
|
|
|
|
trait T2 {
|
|
private function bar() : int {
|
|
return 3;
|
|
}
|
|
}
|
|
|
|
class A {
|
|
use T1;
|
|
|
|
private function baz() : int {
|
|
return $this->bar();
|
|
}
|
|
}',
|
|
],
|
|
'traitClassConst' => [
|
|
'<?php
|
|
trait A {
|
|
public function foo(): string {
|
|
return B::class;
|
|
}
|
|
}
|
|
|
|
trait B {}
|
|
|
|
class C {
|
|
use A;
|
|
}',
|
|
],
|
|
'noRedundantConditionForTraitStatic' => [
|
|
'<?php
|
|
trait Foo {
|
|
public function bar() : array {
|
|
$type = static::class;
|
|
$r = new \ReflectionClass($type);
|
|
$values = $r->getConstants();
|
|
$callback =
|
|
/** @param mixed $v */
|
|
function ($v) : bool {
|
|
return \is_int($v) || \is_string($v);
|
|
};
|
|
|
|
if (is_a($type, \Bat::class, true)) {
|
|
$callback =
|
|
/** @param mixed $v */
|
|
function ($v) : bool {
|
|
return \is_int($v) && 0 === ($v & $v - 1) && $v > 0;
|
|
};
|
|
}
|
|
|
|
return array_filter($values, $callback);
|
|
}
|
|
}
|
|
|
|
class Bar {
|
|
use Foo;
|
|
}
|
|
|
|
class Bat {
|
|
use Foo;
|
|
}',
|
|
],
|
|
'nonMemoizedAssertions' => [
|
|
'<?php
|
|
trait T {
|
|
public function compare(O $other) : void {
|
|
if ($other instanceof self) {
|
|
if ($other->value === $this->value) {}
|
|
}
|
|
}
|
|
}
|
|
|
|
class O {}
|
|
|
|
class A extends O {
|
|
use T;
|
|
|
|
/** @var string */
|
|
private $value;
|
|
|
|
public function __construct(string $string) {
|
|
$this->value = $string;
|
|
}
|
|
}
|
|
|
|
class B extends O {
|
|
use T;
|
|
|
|
/** @var bool */
|
|
private $value;
|
|
|
|
public function __construct(bool $bool) {
|
|
$this->value = $bool;
|
|
}
|
|
}',
|
|
],
|
|
'manyTraitAliases' => [
|
|
'<?php
|
|
trait Foo {
|
|
public static function staticMethod():void {}
|
|
public function nonstatic():void {}
|
|
}
|
|
|
|
Class Bar {
|
|
use Foo {
|
|
Foo::staticMethod as foo;
|
|
Foo::staticMethod as foobar;
|
|
Foo::staticMethod as fine;
|
|
Foo::nonstatic as bad;
|
|
Foo::nonstatic as good;
|
|
}
|
|
}
|
|
|
|
$b = new Bar();
|
|
|
|
Bar::fine();
|
|
$b::fine();
|
|
$b->fine();
|
|
|
|
$b->good();
|
|
|
|
Bar::foo();
|
|
Bar::foobar();
|
|
|
|
$b::foo();
|
|
$b::foobar();
|
|
|
|
$b->foo();
|
|
$b->foobar();
|
|
|
|
$b->bad();',
|
|
],
|
|
'inheritedProtectedTraitMethodAccess' => [
|
|
'<?php
|
|
trait T {
|
|
private function bar() : void {}
|
|
}
|
|
|
|
class A {
|
|
use T {
|
|
bar as protected;
|
|
}
|
|
}
|
|
|
|
class AChild extends A {
|
|
public function foo() : void {
|
|
$this->bar();
|
|
}
|
|
}',
|
|
],
|
|
'inheritedPublicTraitMethodAccess' => [
|
|
'<?php
|
|
trait T {
|
|
private function bar() : void {}
|
|
}
|
|
|
|
class A {
|
|
use T {
|
|
bar as public;
|
|
}
|
|
}
|
|
|
|
(new A)->bar();',
|
|
],
|
|
'allowImplementMethodMadePublicInClass' => [
|
|
'<?php
|
|
interface I {
|
|
public function boo();
|
|
}
|
|
|
|
trait T {
|
|
private function boo() : void {}
|
|
}
|
|
|
|
class A implements I {
|
|
use T { boo as public; }
|
|
}',
|
|
],
|
|
'allowImplementMethodMadePublicInParent' => [
|
|
'<?php
|
|
interface I {
|
|
public function boo();
|
|
}
|
|
|
|
trait T {
|
|
private function boo() : void {}
|
|
}
|
|
|
|
class B {
|
|
use T { boo as public; }
|
|
}
|
|
|
|
class BChild extends B implements I {}',
|
|
],
|
|
'allowTraitParentDefinition' => [
|
|
'<?php
|
|
class A {}
|
|
|
|
class C extends A
|
|
{
|
|
use T;
|
|
}
|
|
|
|
trait T
|
|
{
|
|
public function bar() : ?C
|
|
{
|
|
if ($this instanceof A) {
|
|
return $this;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}',
|
|
],
|
|
'noCrashOnUndefinedIgnoredTrait' => [
|
|
'<?php
|
|
/** @psalm-suppress UndefinedTrait */
|
|
class C {
|
|
use UnknownTrait;
|
|
}',
|
|
],
|
|
'reconcileStaticTraitProperties' => [
|
|
'<?php
|
|
trait T {
|
|
/**
|
|
* @var string|null
|
|
*/
|
|
private static $b;
|
|
|
|
private static function booA(): string {
|
|
if (self::$b === null) {
|
|
return "hello";
|
|
}
|
|
return self::$b;
|
|
}
|
|
}
|
|
|
|
class C {
|
|
use T;
|
|
}',
|
|
],
|
|
'covariantAbstractReturn' => [
|
|
'<?php
|
|
trait T {
|
|
/** @return iterable */
|
|
abstract public function bar();
|
|
}
|
|
|
|
class C {
|
|
use T;
|
|
|
|
/** @return array */
|
|
public function bar() { return []; }
|
|
}',
|
|
],
|
|
'traitSelfParam' => [
|
|
'<?php
|
|
trait T {
|
|
public function bar(self $object): self {
|
|
return $this;
|
|
}
|
|
}
|
|
|
|
class Foo {
|
|
use T;
|
|
}
|
|
|
|
$f1 = new Foo();
|
|
$f2 = (new Foo())->bar($f1);',
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return iterable<string,array{string,error_message:string,2?:string[],3?:bool,4?:string}>
|
|
*/
|
|
public function providerInvalidCodeParse()
|
|
{
|
|
return [
|
|
'inaccessiblePrivateMethodFromInheritedTrait' => [
|
|
'<?php
|
|
trait T {
|
|
private function fooFoo(): void {
|
|
}
|
|
}
|
|
|
|
class B {
|
|
use T;
|
|
}
|
|
|
|
class C extends B {
|
|
public function doFoo(): void {
|
|
$this->fooFoo();
|
|
}
|
|
}',
|
|
'error_message' => 'InaccessibleMethod',
|
|
],
|
|
'undefinedTrait' => [
|
|
'<?php
|
|
class B {
|
|
use A;
|
|
}',
|
|
'error_message' => 'UndefinedTrait',
|
|
],
|
|
'missingPropertyType' => [
|
|
'<?php
|
|
trait T {
|
|
public $foo;
|
|
}
|
|
class A {
|
|
use T;
|
|
|
|
public function assignToFoo(): void {
|
|
$this->foo = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'MissingPropertyType - src' . DIRECTORY_SEPARATOR . 'somefile.php:3:32 - Property T::$foo does not have a ' .
|
|
'declared type - consider int|null',
|
|
],
|
|
'missingPropertyTypeWithConstructorInit' => [
|
|
'<?php
|
|
trait T {
|
|
public $foo;
|
|
}
|
|
class A {
|
|
use T;
|
|
|
|
public function __construct() {
|
|
$this->foo = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'MissingPropertyType - src' . DIRECTORY_SEPARATOR . 'somefile.php:3:32 - Property T::$foo does not have a ' .
|
|
'declared type - consider int',
|
|
],
|
|
'missingPropertyTypeWithConstructorInitAndNull' => [
|
|
'<?php
|
|
trait T {
|
|
public $foo;
|
|
}
|
|
class A {
|
|
use T;
|
|
|
|
public function __construct() {
|
|
$this->foo = 5;
|
|
}
|
|
|
|
public function makeNull(): void {
|
|
$this->foo = null;
|
|
}
|
|
}',
|
|
'error_message' => 'MissingPropertyType - src' . DIRECTORY_SEPARATOR . 'somefile.php:3:32 - Property T::$foo does not have a ' .
|
|
'declared type - consider int|null',
|
|
],
|
|
'missingPropertyTypeWithConstructorInitAndNullDefault' => [
|
|
'<?php
|
|
trait T {
|
|
public $foo = null;
|
|
}
|
|
class A {
|
|
use T;
|
|
|
|
public function __construct() {
|
|
$this->foo = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'MissingPropertyType - src' . DIRECTORY_SEPARATOR . 'somefile.php:3:32 - Property T::$foo does not have a ' .
|
|
'declared type - consider int|null',
|
|
],
|
|
'redefinedTraitMethodInSubclass' => [
|
|
'<?php
|
|
trait T {
|
|
public function fooFoo(): void {
|
|
}
|
|
}
|
|
|
|
class B {
|
|
use T;
|
|
}
|
|
|
|
class C extends B {
|
|
public function fooFoo(string $a): void {
|
|
}
|
|
}',
|
|
'error_message' => 'MethodSignatureMismatch',
|
|
],
|
|
'missingTraitPropertyType' => [
|
|
'<?php
|
|
trait T {
|
|
public $foo;
|
|
}
|
|
|
|
class A {
|
|
use T;
|
|
}',
|
|
'error_message' => 'MissingPropertyType',
|
|
],
|
|
'nestedTraitWithBadReturnType' => [
|
|
'<?php
|
|
trait A {
|
|
public function foo() : string {
|
|
return 5;
|
|
}
|
|
}
|
|
|
|
trait B {
|
|
use A;
|
|
}
|
|
|
|
class C {
|
|
use B;
|
|
}',
|
|
'error_message' => 'InvalidReturnType',
|
|
],
|
|
'replaceTraitMethod' => [
|
|
'<?php
|
|
trait T {
|
|
protected function foo() : void {}
|
|
|
|
public function bat() : void {
|
|
$this->foo();
|
|
}
|
|
}
|
|
|
|
class C {
|
|
use T;
|
|
|
|
protected function foo(string $s) : void {}
|
|
}',
|
|
'error_message' => 'TooFewArguments',
|
|
],
|
|
'traitMethodMadePrivate' => [
|
|
'<?php
|
|
trait T {
|
|
public function foo() : void {
|
|
echo "here";
|
|
}
|
|
}
|
|
|
|
class C {
|
|
use T {
|
|
foo as private traitFoo;
|
|
}
|
|
|
|
public function bar() : void {
|
|
$this->traitFoo();
|
|
}
|
|
}
|
|
|
|
class D extends C {
|
|
public function bar() : void {
|
|
$this->traitFoo(); // should fail
|
|
}
|
|
}',
|
|
'error_message' => 'InaccessibleMethod',
|
|
],
|
|
'preventTraitPropertyType' => [
|
|
'<?php
|
|
trait T {}
|
|
|
|
class X {
|
|
/** @var T|null */
|
|
public $hm;
|
|
}',
|
|
'error_message' => 'UndefinedDocblockClass',
|
|
],
|
|
];
|
|
}
|
|
}
|