mirror of
https://github.com/danog/psalm.git
synced 2024-11-27 04:45:20 +01:00
983 lines
31 KiB
PHP
983 lines
31 KiB
PHP
<?php
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namespace Psalm\Tests;
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use Psalm\Checker\FileChecker;
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use Psalm\Config;
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class PropertyTypeTest extends TestCase
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{
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use Traits\FileCheckerInvalidCodeParseTestTrait;
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use Traits\FileCheckerValidCodeParseTestTrait;
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/**
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* @expectedException \Psalm\Exception\CodeException
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* @expectedExceptionMessage InvalidReturnType
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*
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* @return void
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*/
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public function testForgetPropertyAssignments()
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{
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Config::getInstance()->remember_property_assignments_after_call = false;
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$this->addFile(
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'somefile.php',
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'<?php
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class X {
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/** @var ?int **/
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private $x;
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public function getX(): int {
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if ($this->x === null) {
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$this->x = 0;
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}
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$this->modifyX();
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return $this->x;
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}
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private function modifyX(): void {
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$this->x = null;
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}
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}'
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);
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$file_checker = new FileChecker('somefile.php', $this->project_checker);
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$file_checker->visitAndAnalyzeMethods();
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}
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/**
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* @return array
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*/
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public function providerFileCheckerValidCodeParse()
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{
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return [
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'newVarInIf' => [
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'<?php
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class A {
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/**
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* @var mixed
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*/
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public $foo;
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/** @return void */
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public function barBar()
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{
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if (rand(0,10) === 5) {
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$this->foo = [];
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}
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if (!is_array($this->foo)) {
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// do something
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}
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}
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}',
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],
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'propertyWithoutTypeSuppressingIssue' => [
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'<?php
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class A {
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public $foo;
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}
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$a = (new A)->foo;',
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'assertions' => [],
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'error_levels' => [
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'MissingPropertyType',
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'MixedAssignment',
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],
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],
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'propertyWithoutTypeSuppressingIssueAndAssertingNull' => [
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'<?php
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class A {
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/** @return void */
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function foo() {
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$boop = $this->foo === null && rand(0,1);
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echo $this->foo->baz;
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}
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}',
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'assertions' => [],
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'error_levels' => [
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'UndefinedThisPropertyFetch',
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'MixedAssignment',
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'MixedMethodCall',
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'MixedPropertyFetch',
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],
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],
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'sharedPropertyInIf' => [
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'<?php
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class A {
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/** @var int */
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public $foo = 0;
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}
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class B {
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/** @var string */
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public $foo = "";
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}
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$a = rand(0, 10) ? new A() : (rand(0, 10) ? new B() : null);
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$b = null;
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if ($a instanceof A || $a instanceof B) {
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$b = $a->foo;
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}',
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'assertions' => [
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'$b' => 'null|int|string',
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],
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],
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'sharedPropertyInElseIf' => [
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'<?php
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class A {
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/** @var int */
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public $foo = 0;
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}
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class B {
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/** @var string */
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public $foo = "";
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}
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$a = rand(0, 10) ? new A() : new B();
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$b = null;
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if (rand(0, 10) === 4) {
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// do nothing
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}
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elseif ($a instanceof A || $a instanceof B) {
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$b = $a->foo;
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}',
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'assertions' => [
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'$b' => 'null|int|string',
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],
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],
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'nullablePropertyCheck' => [
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'<?php
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class A {
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/** @var string */
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public $aa = "";
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}
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class B {
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/** @var A|null */
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public $bb;
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}
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$b = rand(0, 10) ? new A() : new B();
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if ($b instanceof B && isset($b->bb) && $b->bb->aa === "aa") {
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echo $b->bb->aa;
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}',
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],
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'nullablePropertyAfterGuard' => [
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'<?php
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class A {
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/** @var string|null */
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public $aa;
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}
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$a = new A();
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if (!$a->aa) {
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$a->aa = "hello";
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}
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echo substr($a->aa, 1);',
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],
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'nullableStaticPropertyWithIfCheck' => [
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'<?php
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class A {
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/** @var A|null */
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public static $fooFoo;
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public static function getFoo() : A {
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if (!self::$fooFoo) {
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self::$fooFoo = new A();
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}
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return self::$fooFoo;
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}
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}',
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],
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'reflectionProperties' => [
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'<?php
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class Foo {
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}
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$a = new \ReflectionMethod("Foo", "__construct");
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echo $a->name . " - " . $a->class;',
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],
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'grandparentReflectedProperties' => [
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'<?php
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$a = new DOMElement("foo");
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$owner = $a->ownerDocument;',
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'assertions' => [
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'$owner' => 'DOMDocument',
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],
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],
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'goodArrayProperties' => [
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'<?php
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interface I1 {}
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class A1 implements I1{}
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class B1 implements I1 {}
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class C1 {
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/** @var array<I1> */
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public $is = [];
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}
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$c = new C1;
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$c->is = [new A1];
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$c->is = [new A1, new A1];
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$c->is = [new A1, new B1];',
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'assertions' => [],
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'error_levels' => ['MixedAssignment'],
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],
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'issetPropertyDoesNotExist' => [
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'<?php
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class A {
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}
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$a = new A();
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if (isset($a->bar)) {
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}',
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],
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'notSetInConstructorButHasDefault' => [
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'<?php
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class A {
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/** @var int */
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public $a = 0;
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public function __construct() { }
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}',
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],
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'propertySetInPrivateMethod' => [
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'<?php
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class A {
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/** @var int */
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public $a;
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public function __construct() {
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$this->foo();
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}
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private function foo() : void {
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$this->a = 5;
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}
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}',
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],
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'definedInTraitSetInConstructor' => [
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'<?php
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trait A {
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/** @var string **/
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public $a;
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}
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class B {
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use A;
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public function __construct() {
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$this->a = "hello";
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}
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}',
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],
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'propertySetInNestedPrivateMethod' => [
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'<?php
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class A {
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/** @var int */
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public $a;
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public function __construct() {
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$this->foo();
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}
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private function foo() : void {
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$this->bar();
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}
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private function bar() : void {
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$this->a = 5;
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}
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}',
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],
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'propertyArrayIssetAssertion' => [
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'<?php
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function bar(string $s) : void { }
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class A {
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/** @var array<string, string> */
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public $a = [];
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private function foo() : void {
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if (isset($this->a["hello"])) {
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bar($this->a["hello"]);
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}
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}
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}',
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],
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'propertyArrayIssetAssertionWithVariableOffset' => [
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'<?php
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function bar(string $s) : void { }
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class A {
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/** @var array<string, string> */
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public $a = [];
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private function foo() : void {
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$b = "hello";
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if (!isset($this->a[$b])) {
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return;
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}
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bar($this->a[$b]);
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}
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}',
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],
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'staticPropertyArrayIssetAssertionWithVariableOffset' => [
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'<?php
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function bar(string $s) : void { }
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class A {
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/** @var array<string, string> */
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public static $a = [];
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}
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function foo() : void {
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$b = "hello";
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if (!isset(A::$a[$b])) {
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return;
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}
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bar(A::$a[$b]);
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}',
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],
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'staticPropertyArrayIssetAssertionWithVariableOffsetAndElse' => [
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'<?php
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function bar(string $s) : void { }
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class A {
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/** @var array<string, string> */
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public static $a = [];
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}
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function foo() : void {
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$b = "hello";
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if (!isset(A::$a[$b])) {
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$g = "bar";
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} else {
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bar(A::$a[$b]);
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$g = "foo";
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}
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bar($g);
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}',
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],
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'traitConstructor' => [
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'<?php
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trait T {
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/** @var string **/
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public $foo;
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public function __construct() {
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$this->foo = "hello";
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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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],
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'abstractClassWithNoConstructor' => [
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'<?php
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abstract class A {
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/** @var string */
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public $foo;
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}',
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],
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'abstractClassConstructorAndChildConstructor' => [
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'<?php
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abstract class A {
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/** @var string */
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public $foo;
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public function __construct() {
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$this->foo = "";
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}
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}
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class B extends A {
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public function __construct() {
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parent::__construct();
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}
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}',
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],
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'abstractClassConstructorAndImplicitChildConstructor' => [
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'<?php
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abstract class A {
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/** @var string */
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public $foo;
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public function __construct(int $bar) {
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$this->foo = (string)$bar;
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}
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}
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class B extends A {}
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class E extends \Exception{}',
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],
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'notSetInEmptyConstructor' => [
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'<?php
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/** @psalm-suppress PropertyNotSetInConstructor */
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class A {
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/** @var int */
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public $a;
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public function __construct() { }
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}',
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],
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'extendsClassWithPrivateConstructorSet' => [
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'<?php
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namespace Q;
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class Base
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{
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/**
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* @var string
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*/
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private $aString;
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public function __construct()
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{
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$this->aString = "aa";
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echo($this->aString);
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}
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}
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class Descendant extends Base
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{
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/**
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* @var bool
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*/
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private $aBool;
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public function __construct()
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{
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parent::__construct();
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$this->aBool = true;
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}
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}',
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],
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'extendsClassWithPrivateAndException' => [
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'<?php
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abstract class A extends \Exception {
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/** @var string **/
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private $p;
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|
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/** @param string $p **/
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final public function __construct($p) {
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$this->p = $p;
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}
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}
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final class B extends A {}',
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],
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'setInAbstractMethod' => [
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'<?php
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interface I {
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public function foo() : void;
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}
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abstract class A implements I {
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/** @var string */
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public $bar;
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|
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public function __construct() {
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$this->foo();
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}
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}
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class B extends A {
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public function foo() : void
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{
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$this->bar = "hello";
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}
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}',
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'assertions' => [],
|
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'error_levels' => [
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'PropertyNotSetInConstructor' => Config::REPORT_INFO,
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],
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],
|
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'setInFinalMethod' => [
|
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'<?php
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class C
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{
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/**
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* @var string
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*/
|
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private $a;
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|
|
/**
|
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* @var string
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*/
|
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private $b;
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|
|
/**
|
|
* @param string[] $opts
|
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* @psalm-param array{a:string,b:string} $opts
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*/
|
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public function __construct(array $opts)
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{
|
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$this->setOptions($opts);
|
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}
|
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|
|
/**
|
|
* @param string[] $opts
|
|
* @psalm-param array{a:string,b:string} $opts
|
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*/
|
|
final public function setOptions(array $opts): void
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|
{
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$this->a = $opts["a"] ?? "defaultA";
|
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$this->b = $opts["b"] ?? "defaultB";
|
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}
|
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}',
|
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],
|
|
'setInFinalClass' => [
|
|
'<?php
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final class C
|
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{
|
|
/**
|
|
* @var string
|
|
*/
|
|
private $a;
|
|
|
|
/**
|
|
* @var string
|
|
*/
|
|
private $b;
|
|
|
|
/**
|
|
* @param string[] $opts
|
|
* @psalm-param array{a:string,b:string} $opts
|
|
*/
|
|
public function __construct(array $opts)
|
|
{
|
|
$this->setOptions($opts);
|
|
}
|
|
|
|
/**
|
|
* @param string[] $opts
|
|
* @psalm-param array{a:string,b:string} $opts
|
|
*/
|
|
public function setOptions(array $opts): void
|
|
{
|
|
$this->a = $opts["a"] ?? "defaultA";
|
|
$this->b = $opts["b"] ?? "defaultB";
|
|
}
|
|
}',
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
public function providerFileCheckerInvalidCodeParse()
|
|
{
|
|
return [
|
|
'undefinedPropertyAssignment' => [
|
|
'<?php
|
|
class A {
|
|
}
|
|
|
|
(new A)->foo = "cool";',
|
|
'error_message' => 'UndefinedPropertyAssignment',
|
|
],
|
|
'undefinedPropertyFetch' => [
|
|
'<?php
|
|
class A {
|
|
}
|
|
|
|
echo (new A)->foo;',
|
|
'error_message' => 'UndefinedPropertyFetch',
|
|
],
|
|
'undefinedThisPropertyAssignment' => [
|
|
'<?php
|
|
class A {
|
|
public function fooFoo() : void {
|
|
$this->foo = "cool";
|
|
}
|
|
}',
|
|
'error_message' => 'UndefinedThisPropertyAssignment',
|
|
],
|
|
'undefinedThisPropertyFetch' => [
|
|
'<?php
|
|
class A {
|
|
public function fooFoo() : void {
|
|
echo $this->foo;
|
|
}
|
|
}',
|
|
'error_message' => 'UndefinedThisPropertyFetch',
|
|
],
|
|
'missingPropertyType' => [
|
|
'<?php
|
|
class A {
|
|
public $foo;
|
|
|
|
public function assignToFoo() : void {
|
|
$this->foo = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'MissingPropertyType - src/somefile.php:3 - Property A::$foo does not have a ' .
|
|
'declared type - consider null|int',
|
|
],
|
|
'missingPropertyTypeWithConstructorInit' => [
|
|
'<?php
|
|
class A {
|
|
public $foo;
|
|
|
|
public function __construct() : void {
|
|
$this->foo = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'MissingPropertyType - src/somefile.php:3 - Property A::$foo does not have a ' .
|
|
'declared type - consider int',
|
|
],
|
|
'missingPropertyTypeWithConstructorInitAndNull' => [
|
|
'<?php
|
|
class A {
|
|
public $foo;
|
|
|
|
public function __construct() : void {
|
|
$this->foo = 5;
|
|
}
|
|
|
|
public function makeNull() : void {
|
|
$this->foo = null;
|
|
}
|
|
}',
|
|
'error_message' => 'MissingPropertyType - src/somefile.php:3 - Property A::$foo does not have a ' .
|
|
'declared type - consider null|int',
|
|
],
|
|
'missingPropertyTypeWithConstructorInitAndNullDefault' => [
|
|
'<?php
|
|
class A {
|
|
public $foo = null;
|
|
|
|
public function __construct() : void {
|
|
$this->foo = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'MissingPropertyType - src/somefile.php:3 - Property A::$foo does not have a ' .
|
|
'declared type - consider int|null',
|
|
],
|
|
'badAssignment' => [
|
|
'<?php
|
|
class A {
|
|
/** @var string */
|
|
public $foo;
|
|
|
|
public function barBar() : void
|
|
{
|
|
$this->foo = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'InvalidPropertyAssignment',
|
|
],
|
|
'badAssignmentAsWell' => [
|
|
'<?php
|
|
$a = "hello";
|
|
$a->foo = "bar";',
|
|
'error_message' => 'InvalidPropertyAssignment',
|
|
],
|
|
'badFetch' => [
|
|
'<?php
|
|
$a = "hello";
|
|
echo $a->foo;',
|
|
'error_message' => 'InvalidPropertyFetch',
|
|
],
|
|
'possiblyBadFetch' => [
|
|
'<?php
|
|
$a = rand(0, 5) > 3 ? "hello" : new stdClass;
|
|
echo $a->foo;',
|
|
'error_message' => 'PossiblyInvalidPropertyFetch',
|
|
],
|
|
'mixedPropertyFetch' => [
|
|
'<?php
|
|
class Foo {
|
|
/** @var string */
|
|
public $foo = "";
|
|
}
|
|
|
|
/** @var mixed */
|
|
$a = (new Foo());
|
|
|
|
echo $a->foo;',
|
|
'error_message' => 'MixedPropertyFetch',
|
|
'error_levels' => [
|
|
'MissingPropertyType',
|
|
'MixedAssignment',
|
|
],
|
|
],
|
|
'mixedPropertyAssignment' => [
|
|
'<?php
|
|
class Foo {
|
|
/** @var string */
|
|
public $foo = "";
|
|
}
|
|
|
|
/** @var mixed */
|
|
$a = (new Foo());
|
|
|
|
$a->foo = "hello";',
|
|
'error_message' => 'MixedPropertyAssignment',
|
|
'error_levels' => [
|
|
'MissingPropertyType',
|
|
'MixedAssignment',
|
|
],
|
|
],
|
|
'possiblyNullablePropertyAssignment' => [
|
|
'<?php
|
|
class Foo {
|
|
/** @var string */
|
|
public $foo = "";
|
|
}
|
|
|
|
$a = rand(0, 10) ? new Foo() : null;
|
|
|
|
$a->foo = "hello";',
|
|
'error_message' => 'PossiblyNullPropertyAssignment',
|
|
],
|
|
'nullablePropertyAssignment' => [
|
|
'<?php
|
|
$a = null;
|
|
|
|
$a->foo = "hello";',
|
|
'error_message' => 'NullPropertyAssignment',
|
|
],
|
|
'possiblyNullablePropertyFetch' => [
|
|
'<?php
|
|
class Foo {
|
|
/** @var string */
|
|
public $foo = "";
|
|
}
|
|
|
|
$a = rand(0, 10) ? new Foo() : null;
|
|
|
|
echo $a->foo;',
|
|
'error_message' => 'PossiblyNullPropertyFetch',
|
|
],
|
|
'nullablePropertyFetch' => [
|
|
'<?php
|
|
$a = null;
|
|
|
|
echo $a->foo;',
|
|
'error_message' => 'NullPropertyFetch',
|
|
],
|
|
'badArrayProperty' => [
|
|
'<?php
|
|
class A {}
|
|
|
|
class B {}
|
|
|
|
class C {
|
|
/** @var array<B> */
|
|
public $bb;
|
|
}
|
|
|
|
$c = new C;
|
|
$c->bb = [new A, new B];',
|
|
'error_message' => 'InvalidPropertyAssignment',
|
|
],
|
|
'possiblyBadArrayProperty' => [
|
|
'<?php
|
|
class A {}
|
|
|
|
class B {}
|
|
|
|
class C {
|
|
/** @var array<int, B> */
|
|
public $bb;
|
|
}
|
|
|
|
class D {
|
|
/** @var array<int, A|B> */
|
|
public $bb;
|
|
}
|
|
|
|
$c = rand(0, 5) > 3 ? new C : new D;
|
|
$c->bb = [new A, new B];',
|
|
'error_message' => 'PossiblyInvalidPropertyAssignment',
|
|
],
|
|
'notSetInEmptyConstructor' => [
|
|
'<?php
|
|
class A {
|
|
/** @var int */
|
|
public $a;
|
|
|
|
public function __construct() { }
|
|
}',
|
|
'error_message' => 'PropertyNotSetInConstructor',
|
|
],
|
|
'noConstructor' => [
|
|
'<?php
|
|
class A {
|
|
/** @var int */
|
|
public $a;
|
|
}',
|
|
'error_message' => 'MissingConstructor',
|
|
],
|
|
'abstractClassInheritsNoConstructor' => [
|
|
'<?php
|
|
abstract class A {
|
|
/** @var string */
|
|
public $foo;
|
|
}
|
|
|
|
class B extends A {}',
|
|
'error_message' => 'MissingConstructor',
|
|
],
|
|
'abstractClassInheritsPrivateConstructor' => [
|
|
'<?php
|
|
abstract class A {
|
|
/** @var string */
|
|
public $foo;
|
|
|
|
private function __construct() {
|
|
$this->foo = "hello";
|
|
}
|
|
}
|
|
|
|
class B extends A {}',
|
|
'error_message' => 'InaccessibleMethod',
|
|
],
|
|
'classInheritsPrivateConstructorWithImplementedConstructor' => [
|
|
'<?php
|
|
abstract class A {
|
|
/** @var string */
|
|
public $foo;
|
|
|
|
private function __construct() {
|
|
$this->foo = "hello";
|
|
}
|
|
}
|
|
|
|
class B extends A {
|
|
public function __construct() {}
|
|
}',
|
|
'error_message' => 'PropertyNotSetInConstructor',
|
|
],
|
|
'notSetInAllBranchesOfIf' => [
|
|
'<?php
|
|
class A {
|
|
/** @var int */
|
|
public $a;
|
|
|
|
public function __construct() {
|
|
if (rand(0, 1)) {
|
|
$this->a = 5;
|
|
}
|
|
}
|
|
}',
|
|
'error_message' => 'PropertyNotSetInConstructor',
|
|
],
|
|
'propertySetInProtectedMethod' => [
|
|
'<?php
|
|
class A {
|
|
/** @var int */
|
|
public $a;
|
|
|
|
public function __construct() {
|
|
$this->foo();
|
|
}
|
|
|
|
protected function foo() : void {
|
|
$this->a = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'PropertyNotSetInConstructor',
|
|
],
|
|
'definedInTraitNotSetInEmptyConstructor' => [
|
|
'<?php
|
|
trait A {
|
|
/** @var string **/
|
|
public $a;
|
|
}
|
|
class B {
|
|
use A;
|
|
|
|
public function __construct() {
|
|
}
|
|
}',
|
|
'error_message' => 'PropertyNotSetInConstructor',
|
|
],
|
|
'propertySetInPrivateMethodWithIf' => [
|
|
'<?php
|
|
class A {
|
|
/** @var int */
|
|
public $a;
|
|
|
|
public function __construct() {
|
|
if (rand(0, 1)) {
|
|
$this->foo();
|
|
}
|
|
}
|
|
|
|
private function foo() : void {
|
|
$this->a = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'PropertyNotSetInConstructor',
|
|
],
|
|
'propertySetInPrivateMethodWithIfAndElse' => [
|
|
'<?php
|
|
class A {
|
|
/** @var int */
|
|
public $a;
|
|
|
|
public function __construct() {
|
|
if (rand(0, 1)) {
|
|
$this->foo();
|
|
} else {
|
|
$this->bar();
|
|
}
|
|
}
|
|
|
|
private function foo() : void {
|
|
$this->a = 5;
|
|
}
|
|
|
|
private function bar() : void {
|
|
$this->a = 5;
|
|
}
|
|
}',
|
|
'error_message' => 'PropertyNotSetInConstructor',
|
|
],
|
|
'undefinedPropertyClass' => [
|
|
'<?php
|
|
class A {
|
|
/** @var B */
|
|
public $foo;
|
|
}',
|
|
'error_message' => 'UndefinedClass',
|
|
],
|
|
'abstractClassWithNoConstructorButChild' => [
|
|
'<?php
|
|
abstract class A {
|
|
/** @var string */
|
|
public $foo;
|
|
}
|
|
|
|
class B extends A {
|
|
public function __construct() {
|
|
}
|
|
}',
|
|
'error_message' => 'PropertyNotSetInConstructor',
|
|
],
|
|
];
|
|
}
|
|
}
|