mirror of
https://github.com/danog/psalm.git
synced 2024-12-14 18:36:58 +01:00
1214 lines
41 KiB
PHP
1214 lines
41 KiB
PHP
<?php
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namespace Psalm\Tests;
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use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
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use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
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class ClassTest extends TestCase
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{
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use InvalidCodeAnalysisTestTrait;
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use ValidCodeAnalysisTestTrait;
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public function testExtendsMysqli(): void
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{
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$this->addFile(
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'somefile.php',
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'<?php
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class db extends mysqli {
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public function close()
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{
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return true;
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}
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public function prepare(string $sql)
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{
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return false;
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}
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public function commit(?int $flags = null, ?string $name = null)
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{
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return true;
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}
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public function real_escape_string(string $string)
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{
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return "escaped";
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}
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}'
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);
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}
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/**
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*
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*/
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public function providerValidCodeParse(): iterable
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{
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return [
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'overrideProtectedAccessLevelToPublic' => [
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'code' => '<?php
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class A {
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protected function fooFoo(): void {}
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}
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class B extends A {
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public function fooFoo(): void {}
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}',
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],
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'reflectedParents' => [
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'code' => '<?php
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$e = rand(0, 10)
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? new RuntimeException("m")
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: null;
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if ($e instanceof Exception) {
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echo "good";
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}',
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],
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'namespacedAliasedClassCall' => [
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'code' => '<?php
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namespace Aye {
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class Foo {}
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}
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namespace Bee {
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use Aye as A;
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new A\Foo();
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}',
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],
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'abstractExtendsAbstract' => [
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'code' => '<?php
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abstract class A {
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/** @return void */
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abstract public function foo();
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}
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abstract class B extends A {
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/** @return void */
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public function bar() {
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$this->foo();
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}
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}',
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],
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'missingParentWithFunction' => [
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'code' => '<?php
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class B extends C {
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public function fooA() { }
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}',
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'assertions' => [],
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'ignored_issues' => [
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'UndefinedClass',
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'MissingReturnType',
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],
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],
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'subclassWithSimplerArg' => [
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'code' => '<?php
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class A {}
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class B extends A {}
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class E1 {
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/**
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* @param A|B|null $a
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*/
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public function __construct($a) {
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}
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}
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class E2 extends E1 {
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/**
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* @param A|null $a
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*/
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public function __construct($a) {
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parent::__construct($a);
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}
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}',
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],
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'subclassOfInvalidArgumentExceptionWithSimplerArg' => [
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'code' => '<?php
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class A extends InvalidArgumentException {
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/**
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* @param string $message
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* @param int $code
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* @param Throwable|null $previous_exception
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*/
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public function __construct($message, $code, $previous_exception) {
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parent::__construct($message, $code, $previous_exception);
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}
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}',
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],
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'classStringInstantiation' => [
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'code' => '<?php
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class Foo {}
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class Bar {}
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$class = mt_rand(0, 1) === 1 ? Foo::class : Bar::class;
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$object = new $class();',
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'assertions' => [
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'$object' => 'Bar|Foo',
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],
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],
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'instantiateClassAndIsA' => [
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'code' => '<?php
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/**
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* @psalm-consistent-constructor
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*/
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class Foo {
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public function bar() : void{}
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}
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/**
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* @return string|null
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*/
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function getFooClass() {
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return mt_rand(0, 1) === 1 ? Foo::class : null;
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}
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$foo_class = getFooClass();
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if (is_string($foo_class) && is_a($foo_class, Foo::class, true)) {
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$foo = new $foo_class();
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$foo->bar();
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}',
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],
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'returnStringAfterIsACheckWithClassConst' => [
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'code' => '<?php
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class Foo{}
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function bar(string $maybeBaz) : string {
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if (!is_a($maybeBaz, Foo::class, true)) {
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throw new Exception("not Foo");
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}
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return $maybeBaz;
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}',
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],
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'returnStringAfterIsACheckWithString' => [
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'code' => '<?php
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class Foo{}
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/** @param class-string $maybeBaz */
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function bar(string $maybeBaz) : string {
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if (!is_a($maybeBaz, Foo::class, true)) {
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throw new Exception("not Foo");
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}
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return $maybeBaz;
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}',
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],
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'assignAnonymousClassToArray' => [
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'code' => '<?php
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/**
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* @param array<string, object> $array
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*/
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function foo(array $array, string $key) : void {
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foreach ($array as $i => $item) {
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$array[$key] = new class() {};
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if ($array[$i] === $array[$key]) {}
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}
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}',
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],
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'getClassSelfClass' => [
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'code' => '<?php
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class C {
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public function work(object $obj): string {
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if (get_class($obj) === self::class) {
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return $obj->baz();
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}
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return "";
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}
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public function baz(): string {
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return "baz";
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}
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}',
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],
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'staticClassComparison' => [
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'code' => '<?php
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class C {
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public function foo1(): string {
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if (static::class === D::class) {
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return $this->baz();
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}
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return "";
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}
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public static function foo2(): string {
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if (static::class === D::class) {
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return static::bat();
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}
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return "";
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}
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}
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class D extends C {
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public function baz(): string {
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return "baz";
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}
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public static function bat(): string {
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return "baz";
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}
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}',
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],
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'isAStaticClass' => [
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'code' => '<?php
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class C {
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public function foo1(): string {
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if (is_a(static::class, D::class, true)) {
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return $this->baz();
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}
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return "";
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}
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public static function foo2(): string {
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if (is_a(static::class, D::class, true)) {
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return static::bat();
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}
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return "";
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}
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}
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class D extends C {
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public function baz(): string {
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return "baz";
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}
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public static function bat(): string {
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return "baz";
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}
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}',
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],
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'typedMagicCall' => [
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'code' => '<?php
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class B {
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public function __call(string $methodName, array $args) : string {
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return __METHOD__;
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}
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}
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class A {
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public function __call(string $methodName, array $args) : B {
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return new B;
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}
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}
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$a = (new A)->zugzug();
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$b = (new A)->bar()->baz();',
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'assertions' => [
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'$a' => 'B',
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'$b' => 'string',
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],
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],
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'abstractCallToInterfaceMethod' => [
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'code' => '<?php
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interface I {
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public function fooBar(): array;
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}
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abstract class A implements I
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{
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public function g(): array {
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return $this->fooBar();
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}
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}',
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],
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'noCrashWhenIgnoringUndefinedClass' => [
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'code' => '<?php
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class A extends B {
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public function foo() {
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parent::bar();
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}
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}',
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'assertions' => [],
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'ignored_issues' => [
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'UndefinedClass',
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],
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],
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'noCrashWhenIgnoringUndefinedParam' => [
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'code' => '<?php
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function bar(iterable $_i) : void {}
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function foo(C $c) : void {
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bar($c);
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}',
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'assertions' => [],
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'ignored_issues' => [
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'UndefinedClass',
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'InvalidArgument',
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],
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],
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'noCrashWhenIgnoringUndefinedReturnIterableArg' => [
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'code' => '<?php
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function bar(iterable $_i) : void {}
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function foo() : D {
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return new D();
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}
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bar(foo());',
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'assertions' => [],
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'ignored_issues' => [
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'UndefinedClass',
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'MixedInferredReturnType',
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'InvalidArgument',
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],
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],
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'noCrashWhenIgnoringUndefinedReturnClassArg' => [
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'code' => '<?php
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class Exists {}
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function bar(Exists $_i) : void {}
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function foo() : D {
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return new D();
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}
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bar(foo());',
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'assertions' => [],
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'ignored_issues' => [
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'UndefinedClass',
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'MixedInferredReturnType',
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'InvalidArgument',
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],
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],
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'allowAbstractInstantiationOnPossibleChild' => [
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'code' => '<?php
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/**
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* @psalm-consistent-constructor
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*/
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abstract class A {}
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function foo(string $a_class) : void {
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if (is_a($a_class, A::class, true)) {
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new $a_class();
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}
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}',
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],
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'markInferredMutationFreeDuringPropertyTypeInferenceAsActuallyInferred' => [
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'code' => '<?php
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class A {}
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/**
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* @psalm-consistent-constructor
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*/
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abstract class AbstractClass
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{
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protected $renderer;
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public function __construct(A $r)
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{
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$this->renderer = $r;
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}
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}
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class ConcreteClass extends AbstractClass
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{
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public function __construct(A $r)
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{
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parent::__construct($r);
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}
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}
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',
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],
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'interfaceExistsCreatesClassString' => [
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'code' => '<?php
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function funB(string $className) : ?ReflectionClass {
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if (class_exists($className)) {
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return new ReflectionClass($className);
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}
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if (interface_exists($className)) {
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return new ReflectionClass($className);
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}
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return null;
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}',
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],
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'allowClassExistsAndInterfaceExists' => [
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'code' => '<?php
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function foo(string $s) : void {
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if (class_exists($s) || interface_exists($s)) {}
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}',
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],
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'classExistsWithFalseArgRefinedAsString' => [
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'code' => '<?php
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/**
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* @param class-string $class
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* @return string
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*/
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function autoload(string $class) : string {
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if (class_exists($class, false)) {
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return $class;
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}
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return $class;
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}',
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],
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'allowNegatingClassExistsWithoutAutloading' => [
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'code' => '<?php
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function specifyString(string $className): void{
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if (!class_exists($className, false)) {
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return;
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}
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new ReflectionClass($className);
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}'
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],
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'classExistsWithFalseArgInside' => [
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'code' => '<?php
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function foo(string $s) : void {
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if (class_exists($s, false)) {
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/** @psalm-suppress MixedMethodCall */
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new $s();
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}
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}',
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],
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'classAliasOnNonexistantClass' => [
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'code' => '<?php
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if (!class_exists(\PHPUnit\Framework\TestCase::class)) {
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/** @psalm-suppress UndefinedClass */
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class_alias(\PHPUnit_Framework_TestCase::class, \PHPUnit\Framework\TestCase::class);
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}
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class T extends \PHPUnit\Framework\TestCase {
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}',
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'assertions' => [],
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'ignored_issues' => ['PropertyNotSetInConstructor'],
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],
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'classAliasNoException' => [
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'code' => '<?php
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class_alias("Bar\F1", "Bar\F2");
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namespace Bar {
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class F1 {
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public static function baz() : void {}
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}
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}
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namespace {
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Bar\F2::baz();
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}',
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],
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'classAliasEcho' => [
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'code' => '<?php
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class A { }
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class_alias("A", "A_A");
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echo A_A::class;'
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],
|
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'classAliasTrait' => [
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'code' => '<?php
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trait FeatureV1 {}
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class_alias(FeatureV1::class, Feature::class);
|
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class App { use Feature; }
|
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'
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],
|
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'classAliasParent' => [
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'code' => '<?php
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class NewA {}
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class_alias(NewA::class, OldA::class);
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function action(NewA $_m): void {}
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class OldAChild extends OldA {}
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action(new OldA());
|
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action(new OldAChild());'
|
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],
|
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'classAliasStaticProperty' => [
|
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'code' => '<?php
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class A {
|
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/** @var int */
|
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public static $prop = 1;
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}
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class_alias(A::class, B::class);
|
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B::$prop = 123;'
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],
|
|
'resourceAndNumericSoftlyReserved' => [
|
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'code' => '<?php
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namespace {
|
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class Numeric {}
|
|
}
|
|
|
|
namespace Foo {
|
|
class Resource {}
|
|
class Numeric {}
|
|
}
|
|
|
|
namespace Bar {
|
|
use \Foo\Resource;
|
|
use \Foo\Numeric;
|
|
|
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new \Foo\Resource();
|
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new \Foo\Numeric();
|
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|
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new Resource();
|
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new Numeric();
|
|
|
|
/**
|
|
* @param Resource $r
|
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* @param Numeric $n
|
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* @return void
|
|
*/
|
|
function foo(Resource $r, Numeric $n) : void {}
|
|
}'
|
|
],
|
|
'inheritInterfaceFromParent' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
class AChild extends A {}
|
|
|
|
interface IParent {
|
|
public function get(): A;
|
|
}
|
|
|
|
interface IChild extends IParent {
|
|
/**
|
|
* @psalm-return AChild
|
|
*/
|
|
public function get(): A;
|
|
}
|
|
|
|
class Concrete implements IChild {
|
|
public function get(): A {
|
|
return new AChild;
|
|
}
|
|
}',
|
|
],
|
|
'noErrorsAfterClassExists' => [
|
|
'code' => '<?php
|
|
if (class_exists(A::class)) {
|
|
if (method_exists(A::class, "method")) {
|
|
/** @psalm-suppress MixedArgument */
|
|
echo A::method();
|
|
}
|
|
|
|
echo A::class;
|
|
/** @psalm-suppress MixedArgument */
|
|
echo A::SOME_CONST;
|
|
}'
|
|
],
|
|
'noCrashOnClassExists' => [
|
|
'code' => '<?php
|
|
if (!class_exists(ReflectionGenerator::class)) {
|
|
class ReflectionGenerator {
|
|
private $prop;
|
|
}
|
|
}',
|
|
],
|
|
'instanceofWithPhantomClass' => [
|
|
'code' => '<?php
|
|
if (class_exists(NS\UnknonwClass::class)) {
|
|
null instanceof NS\UnknonwClass;
|
|
}
|
|
',
|
|
],
|
|
'extendException' => [
|
|
'code' => '<?php
|
|
class ME extends Exception {
|
|
protected $message = "hello";
|
|
}',
|
|
],
|
|
'allowFinalReturnerForStatic' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-consistent-constructor
|
|
*/
|
|
class A {
|
|
/** @return static */
|
|
public static function getInstance() {
|
|
return new static();
|
|
}
|
|
}
|
|
|
|
final class AChild extends A {
|
|
public static function getInstance() {
|
|
return new AChild();
|
|
}
|
|
}',
|
|
],
|
|
'intersectWithStatic' => [
|
|
'code' => '<?php
|
|
interface M1 {
|
|
/** @return M2&static */
|
|
function mock();
|
|
}
|
|
|
|
interface M2 {}
|
|
|
|
class A {}
|
|
|
|
/** @return A&M1 */
|
|
function intersect(A $a) {
|
|
assert($a instanceof M1);
|
|
|
|
if (rand(0, 1)) {
|
|
return $a;
|
|
}
|
|
|
|
$b = $a->mock();
|
|
|
|
return $b;
|
|
}'
|
|
],
|
|
'preventDoubleStaticResolution1' => [
|
|
'code' => '<?php
|
|
|
|
/**
|
|
* @template TTKey
|
|
* @template TTValue
|
|
*
|
|
* @extends ArrayObject<TTKey, TTValue>
|
|
*/
|
|
class iter extends ArrayObject {
|
|
/**
|
|
* @return self<TTKey, TTValue>
|
|
*/
|
|
public function stabilize(): self {
|
|
return $this;
|
|
}
|
|
}
|
|
|
|
class a {
|
|
/**
|
|
* @return iter<int, static>
|
|
*/
|
|
public function ret(): iter {
|
|
return new iter([$this]);
|
|
}
|
|
}
|
|
class b extends a {
|
|
}
|
|
|
|
$a = new b;
|
|
$a = $a->ret();
|
|
$a = $a->stabilize();',
|
|
'assertions' => [
|
|
'$a===' => 'iter<int, b&static>'
|
|
]
|
|
],
|
|
'preventDoubleStaticResolution2' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @template TTKey
|
|
* @template TTValue
|
|
*
|
|
* @extends ArrayObject<TTKey, TTValue>
|
|
*/
|
|
class iter extends ArrayObject {
|
|
/**
|
|
* @return self<TTKey, TTValue>
|
|
*/
|
|
public function stabilize(): self {
|
|
return $this;
|
|
}
|
|
}
|
|
|
|
interface a {
|
|
/**
|
|
* @return iter<int, static>
|
|
*/
|
|
public function ret(): iter;
|
|
}
|
|
class b implements a {
|
|
public function ret(): iter {
|
|
return new iter([$this]);
|
|
}
|
|
}
|
|
|
|
/** @var a */
|
|
$a = new b;
|
|
$a = $a->ret();
|
|
$a = $a->stabilize();',
|
|
'assertions' => [
|
|
'$a===' => 'iter<int, a&static>'
|
|
]
|
|
],
|
|
'preventDoubleStaticResolution3' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @template TTKey
|
|
* @template TTValue
|
|
*
|
|
* @extends ArrayObject<TTKey, TTValue>
|
|
*/
|
|
class iter extends ArrayObject {
|
|
/**
|
|
* @return self<TTKey, TTValue>
|
|
*/
|
|
public function stabilize(): self {
|
|
return $this;
|
|
}
|
|
}
|
|
|
|
interface a {
|
|
/**
|
|
* @return iter<int, a&static>
|
|
*/
|
|
public function ret(): iter;
|
|
}
|
|
class b implements a {
|
|
public function ret(): iter {
|
|
return new iter([$this]);
|
|
}
|
|
}
|
|
|
|
/** @var a */
|
|
$a = new b;
|
|
$a = $a->ret();
|
|
$a = $a->stabilize();',
|
|
'assertions' => [
|
|
'$a===' => 'iter<int, a&static>'
|
|
]
|
|
],
|
|
'allowTraversableImplementationAlongWithIteratorAggregate' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @implements Traversable<int, 1>
|
|
* @implements IteratorAggregate<int, 1>
|
|
*/
|
|
final class C implements Traversable, IteratorAggregate {
|
|
public function getIterator() {
|
|
yield 1;
|
|
}
|
|
}
|
|
',
|
|
],
|
|
'allowTraversableImplementationAlongWithIterator' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @implements Traversable<1, 1>
|
|
* @implements Iterator<1, 1>
|
|
*/
|
|
final class C implements Traversable, Iterator {
|
|
public function current() { return 1; }
|
|
public function key() { return 1; }
|
|
public function next() { }
|
|
public function rewind() { }
|
|
public function valid() { return false; }
|
|
}
|
|
',
|
|
],
|
|
'allowTraversableImplementationOnAbstractClass' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @template TKey
|
|
* @template TValue
|
|
*
|
|
* @implements Traversable<TKey, TValue>
|
|
*/
|
|
abstract class C implements Traversable {}
|
|
',
|
|
],
|
|
'allowIndirectTraversableImplementationOnAbstractClass' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @extends Traversable<int, int>
|
|
*/
|
|
interface I extends Traversable {}
|
|
abstract class C implements I {}
|
|
',
|
|
],
|
|
'newOnNamedObject' => [
|
|
'code' => '<?php
|
|
$o = new stdClass;
|
|
$o2 = new $o;
|
|
',
|
|
'assertions' => [
|
|
'$o2===' => 'stdClass',
|
|
],
|
|
],
|
|
'newOnObjectOfAnonymousClass' => [
|
|
'code' => '<?php
|
|
function f(): object {
|
|
$o = new class {};
|
|
return new $o;
|
|
}
|
|
',
|
|
],
|
|
'newOnObjectOfAnonymousExtendingNamed' => [
|
|
'code' => '<?php
|
|
function f(): Exception {
|
|
$o = new class extends Exception {};
|
|
return new $o;
|
|
}
|
|
',
|
|
],
|
|
'newOnObjectOfAnonymousClassImplementingNamed' => [
|
|
'code' => '<?php
|
|
interface I {}
|
|
function f(): I {
|
|
$o = new class implements I {};
|
|
return new $o;
|
|
}
|
|
',
|
|
],
|
|
'throwAnonymousObjects' => [
|
|
'code' => '<?php
|
|
throw new class extends Exception {};
|
|
',
|
|
],
|
|
'throwTheResultOfNewOnAnAnonymousClass' => [
|
|
'code' => '<?php
|
|
declare(strict_types=1);
|
|
|
|
$test = new class extends \Exception { };
|
|
throw new $test();
|
|
'
|
|
]
|
|
];
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'undefinedClass' => [
|
|
'code' => '<?php
|
|
(new Foo());',
|
|
'error_message' => 'UndefinedClass',
|
|
],
|
|
'wrongCaseClass' => [
|
|
'code' => '<?php
|
|
class Foo {}
|
|
(new foo());',
|
|
'error_message' => 'InvalidClass',
|
|
],
|
|
'wrongCaseClassWithCall' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
needsA(new A);
|
|
function needsA(a $x): void {}',
|
|
'error_message' => 'InvalidClass',
|
|
],
|
|
'invalidThisFetch' => [
|
|
'code' => '<?php
|
|
echo $this;',
|
|
'error_message' => 'InvalidScope',
|
|
],
|
|
'invalidThisArgument' => [
|
|
'code' => '<?php
|
|
$this = "hello";',
|
|
'error_message' => 'InvalidScope',
|
|
],
|
|
'undefinedConstant' => [
|
|
'code' => '<?php
|
|
echo HELLO;',
|
|
'error_message' => 'UndefinedConstant',
|
|
],
|
|
'undefinedClassConstant' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
echo A::HELLO;',
|
|
'error_message' => 'UndefinedConstant',
|
|
],
|
|
'overridePublicAccessLevelToPrivate' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public function fooFoo(): void {}
|
|
}
|
|
|
|
class B extends A {
|
|
private function fooFoo(): void {}
|
|
}',
|
|
'error_message' => 'OverriddenMethodAccess',
|
|
],
|
|
'overridePublicAccessLevelToProtected' => [
|
|
'code' => '<?php
|
|
class A {
|
|
public function fooFoo(): void {}
|
|
}
|
|
|
|
class B extends A {
|
|
protected function fooFoo(): void {}
|
|
}',
|
|
'error_message' => 'OverriddenMethodAccess',
|
|
],
|
|
'overrideProtectedAccessLevelToPrivate' => [
|
|
'code' => '<?php
|
|
class A {
|
|
protected function fooFoo(): void {}
|
|
}
|
|
|
|
class B extends A {
|
|
private function fooFoo(): void {}
|
|
}',
|
|
'error_message' => 'OverriddenMethodAccess',
|
|
],
|
|
'overridePublicPropertyAccessLevelToPrivate' => [
|
|
'code' => '<?php
|
|
class A {
|
|
/** @var string|null */
|
|
public $foo;
|
|
}
|
|
|
|
class B extends A {
|
|
/** @var string|null */
|
|
private $foo;
|
|
}',
|
|
'error_message' => 'OverriddenPropertyAccess',
|
|
],
|
|
'overridePublicPropertyAccessLevelToProtected' => [
|
|
'code' => '<?php
|
|
class A {
|
|
/** @var string|null */
|
|
public $foo;
|
|
}
|
|
|
|
class B extends A {
|
|
/** @var string|null */
|
|
protected $foo;
|
|
}',
|
|
'error_message' => 'OverriddenPropertyAccess',
|
|
],
|
|
'overrideProtectedPropertyAccessLevelToPrivate' => [
|
|
'code' => '<?php
|
|
class A {
|
|
/** @var string|null */
|
|
protected $foo;
|
|
}
|
|
|
|
class B extends A {
|
|
/** @var string|null */
|
|
private $foo;
|
|
}',
|
|
'error_message' => 'OverriddenPropertyAccess',
|
|
],
|
|
'classRedefinition' => [
|
|
'code' => '<?php
|
|
class Foo {}
|
|
class Foo {}',
|
|
'error_message' => 'DuplicateClass',
|
|
],
|
|
'classRedefinitionInNamespace' => [
|
|
'code' => '<?php
|
|
namespace Aye {
|
|
class Foo {}
|
|
class Foo {}
|
|
}',
|
|
'error_message' => 'DuplicateClass',
|
|
],
|
|
'classRedefinitionInSeparateNamespace' => [
|
|
'code' => '<?php
|
|
namespace Aye {
|
|
class Foo {}
|
|
}
|
|
namespace Aye {
|
|
class Foo {}
|
|
}',
|
|
'error_message' => 'DuplicateClass',
|
|
],
|
|
'abstractClassInstantiation' => [
|
|
'code' => '<?php
|
|
abstract class A {}
|
|
new A();',
|
|
'error_message' => 'AbstractInstantiation',
|
|
],
|
|
'abstractClassMethod' => [
|
|
'code' => '<?php
|
|
abstract class A {
|
|
abstract public function foo() : void;
|
|
}
|
|
|
|
class B extends A { }',
|
|
'error_message' => 'UnimplementedAbstractMethod',
|
|
],
|
|
'abstractReflectedClassMethod' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @template TKey
|
|
* @template TValue
|
|
* @extends FilterIterator<TKey, TValue, Iterator<TKey, TValue>>
|
|
*/
|
|
class DedupeIterator extends FilterIterator {
|
|
/**
|
|
* @param Iterator<TKey, TValue> $i
|
|
*/
|
|
public function __construct(Iterator $i) {
|
|
parent::__construct($i);
|
|
}
|
|
}',
|
|
'error_message' => 'UnimplementedAbstractMethod',
|
|
],
|
|
'missingParent' => [
|
|
'code' => '<?php
|
|
class A extends B { }',
|
|
'error_message' => 'UndefinedClass',
|
|
],
|
|
'lessSpecificReturnStatement' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
class B extends A {}
|
|
|
|
function foo(A $a): B {
|
|
return $a;
|
|
}',
|
|
'error_message' => 'LessSpecificReturnStatement',
|
|
],
|
|
'circularReference' => [
|
|
'code' => '<?php
|
|
class A extends A {}',
|
|
'error_message' => 'CircularReference',
|
|
],
|
|
'preventAbstractInstantiationDefiniteClasss' => [
|
|
'code' => '<?php
|
|
abstract class A {}
|
|
|
|
function foo(string $a_class) : void {
|
|
if ($a_class === A::class) {
|
|
new $a_class();
|
|
}
|
|
}',
|
|
'error_message' => 'AbstractInstantiation',
|
|
],
|
|
'preventExtendingInterface' => [
|
|
'code' => '<?php
|
|
interface Foo {}
|
|
|
|
class Bar extends Foo {}',
|
|
'error_message' => 'UndefinedClass',
|
|
],
|
|
'preventImplementingClass' => [
|
|
'code' => '<?php
|
|
class Foo {}
|
|
|
|
class Bar implements Foo {}',
|
|
'error_message' => 'UndefinedInterface',
|
|
],
|
|
'classAliasAlreadyDefinedClass' => [
|
|
'code' => '<?php
|
|
class A {}
|
|
|
|
class B {}
|
|
|
|
if (false) {
|
|
class_alias(A::class, B::class);
|
|
}
|
|
|
|
function foo(A $a, B $b) : void {
|
|
if ($a === $b) {}
|
|
}',
|
|
'error_message' => 'TypeDoesNotContainType',
|
|
],
|
|
'cannotOverrideFinalType' => [
|
|
'code' => '<?php
|
|
class P {
|
|
public final function f() : void {}
|
|
}
|
|
|
|
class C extends P {
|
|
public function f() : void {}
|
|
}',
|
|
'error_message' => 'MethodSignatureMismatch',
|
|
],
|
|
'preventFinalOverriding' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-consistent-constructor
|
|
*/
|
|
class A {
|
|
/** @return static */
|
|
public static function getInstance() {
|
|
return new static();
|
|
}
|
|
}
|
|
|
|
class AChild extends A {
|
|
public static function getInstance() {
|
|
return new AChild();
|
|
}
|
|
}
|
|
|
|
class AGrandChild extends AChild {
|
|
public function foo() : void {}
|
|
}
|
|
|
|
AGrandChild::getInstance()->foo();',
|
|
'error_message' => 'LessSpecificReturnStatement',
|
|
],
|
|
'preventTraversableImplementation' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @implements Traversable<int, int>
|
|
*/
|
|
final class C implements Traversable {}
|
|
',
|
|
'error_message' => 'InvalidTraversableImplementation',
|
|
],
|
|
'preventIndirectTraversableImplementation' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @extends Traversable<int, int>
|
|
*/
|
|
interface I extends Traversable {}
|
|
final class C implements I {}
|
|
',
|
|
'error_message' => 'InvalidTraversableImplementation',
|
|
],
|
|
'detectMissingTemplateExtends' => [
|
|
'code' => '<?php
|
|
/** @template T */
|
|
abstract class A {}
|
|
final class B extends A {}
|
|
',
|
|
'error_message' => 'MissingTemplateParam',
|
|
],
|
|
'detectMissingTemplateImplements' => [
|
|
'code' => '<?php
|
|
/** @template T */
|
|
interface A {}
|
|
final class B implements A {}
|
|
',
|
|
'error_message' => 'MissingTemplateParam',
|
|
],
|
|
'detectMissingTemplateUse' => [
|
|
'code' => '<?php
|
|
/** @template T */
|
|
trait A {}
|
|
final class B {
|
|
use A;
|
|
}
|
|
',
|
|
'error_message' => 'MissingTemplateParam',
|
|
],
|
|
|
|
'detectMissingTemplateExtendsNative' => [
|
|
'code' => '<?php
|
|
final class C extends ArrayObject {}
|
|
',
|
|
'error_message' => 'MissingTemplateParam',
|
|
],
|
|
|
|
'detectMissingTemplateImplementsNative' => [
|
|
'code' => '<?php
|
|
final class C implements Iterator {
|
|
public function current(): mixed {
|
|
return 0;
|
|
}
|
|
public function key(): mixed {
|
|
return 0;
|
|
}
|
|
public function next(): void {
|
|
}
|
|
public function rewind(): void {
|
|
}
|
|
public function valid(): bool {
|
|
return false;
|
|
}
|
|
}
|
|
',
|
|
'error_message' => 'MissingTemplateParam',
|
|
],
|
|
'cannotNameClassConstantClass' => [
|
|
'code' => '<?php
|
|
class Foo
|
|
{
|
|
/** @var class-string<Bar> */
|
|
protected const CLASS = Bar::class;
|
|
}
|
|
|
|
class Bar {}
|
|
',
|
|
'error_message' => 'ReservedWord',
|
|
],
|
|
'newOnObject' => [
|
|
'code' => '<?php
|
|
function f(object $o): object
|
|
{
|
|
return new $o;
|
|
}
|
|
',
|
|
'error_message' => 'MixedMethodCall',
|
|
],
|
|
];
|
|
}
|
|
}
|