mirror of
https://github.com/danog/psalm.git
synced 2024-12-13 01:37:23 +01:00
985 lines
33 KiB
PHP
985 lines
33 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 EnumTest extends TestCase
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{
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use ValidCodeAnalysisTestTrait;
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use InvalidCodeAnalysisTestTrait;
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public function providerValidCodeParse(): iterable
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{
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return [
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'example' => [
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'code' => '<?php
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interface Colourful {
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public function color(): string;
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}
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enum Suit implements Colourful {
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case Hearts;
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case Diamonds;
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case Clubs;
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case Spades;
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public function color(): string {
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return match($this) {
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Suit::Hearts, Suit::Diamonds => "Red",
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Suit::Clubs, Suit::Spades => "Black",
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};
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}
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public function shape(): string {
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return "Rectangle";
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}
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}
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function paint(Colourful $c): void {}
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function deal(Suit $s): void {
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if ($s === Suit::Clubs) {
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echo $s->color();
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}
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}
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paint(Suit::Clubs);
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deal(Suit::Spades);
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Suit::Diamonds->shape();',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'enumValue' => [
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'code' => '<?php
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enum Suit: string {
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case Hearts = "h";
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case Diamonds = "d";
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case Clubs = "c";
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case Spades = "s";
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}
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if (Suit::Hearts->value === "h") {}',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'enumCases' => [
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'code' => '<?php
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enum Suit {
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case Hearts;
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case Diamonds;
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case Clubs;
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case Spades;
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}
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foreach (Suit::cases() as $case) {
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echo match($case) {
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Suit::Hearts, Suit::Diamonds => "Red",
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Suit::Clubs, Suit::Spades => "Black",
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};
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}',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'literalExpressionAsCaseValue' => [
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'code' => '<?php
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enum Mask: int {
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case One = 1 << 0;
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case Two = 1 << 1;
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}
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$z = Mask::Two->value;
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',
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'assertions' => [
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'$z===' => '2',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'EnumCaseValue #8568' => [
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'code' => '<?php
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enum Mask: int {
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case One = 1 << 0;
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case Two = 1 << 1;
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}
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/** @return Mask */
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function a() {
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return Mask::One;
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}
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$z = a()->value;
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',
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'assertions' => [
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'$z===' => '1|2',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'EnumUnionAsCaseValue #8568' => [
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'code' => '<?php
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enum Mask: int {
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case One = 1 << 0;
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case Two = 1 << 1;
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case Four = 1 << 2;
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}
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/** @return Mask::One|Mask::Two */
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function a() {
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return Mask::One;
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}
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$z = a()->value;
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',
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'assertions' => [
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'$z===' => '1|2',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'matchCaseOnEnumValue #8812' => [
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'code' => '<?php
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enum SomeType: string
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{
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case FOO = "FOO";
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case BAR = "BAR";
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}
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function getSomething(string $moduleString): int
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{
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return match ($moduleString) {
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SomeType::FOO->value => 1,
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SomeType::BAR->value => 2,
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};
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}
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',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'namePropertyFromOutside' => [
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'code' => '<?php
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enum Status
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{
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case DRAFT;
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case PUBLISHED;
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case ARCHIVED;
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}
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$a = Status::DRAFT->name;
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',
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'assertions' => [
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'$a===' => "'DRAFT'",
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'namePropertyFromInside' => [
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'code' => '<?php
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enum Status
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{
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case DRAFT;
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case PUBLISHED;
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case ARCHIVED;
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/**
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* @return non-empty-string
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*/
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public function get(): string
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{
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return $this->name;
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}
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}
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',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'valuePropertyFromInside' => [
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'code' => '<?php
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enum Status: string
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{
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case DRAFT = "draft";
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case PUBLISHED = "published";
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case ARCHIVED = "archived";
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public function get(): string
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{
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return $this->value;
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}
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}
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echo Status::DRAFT->get();
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',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'wildcardEnumAsParam' => [
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'code' => '<?php
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enum A {
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case C_1;
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case C_2;
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case C_3;
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/**
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* @param self::C_* $i
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*/
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public static function foo(self $i) : void {}
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}
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A::foo(A::C_1);
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A::foo(A::C_2);
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A::foo(A::C_3);',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'wildcardEnumAsReturn' => [
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'code' => '<?php
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enum E {
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const A = 1;
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case B;
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}
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/** @return E::* */
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function f(): mixed {
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return E::B;
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}',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'wildcardConstantsOnEnum' => [
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'code' => '<?php
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enum A {
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const C_1 = 1;
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const C_2 = 2;
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const C_3 = 3;
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/**
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* @param self::C_* $i
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*/
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public static function foo(int $i) : void {}
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}
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A::foo(A::C_1);
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A::foo(A::C_2);
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A::foo(A::C_3);',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'constantOfAVariableEnumClassString' => [
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'code' => '<?php
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enum A { const C = 3; }
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$e = A::class;
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$_z = $e::C;
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',
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'assertions' => [
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'$_z===' => '3',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'constantOfAVariableEnumInstance' => [
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'code' => '<?php
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enum A {
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const C = 3;
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case AA;
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}
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$e = A::AA;
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$_z = $e::C;
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',
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'assertions' => [
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'$_z===' => '3',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'EnumCaseInAttribute' => [
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'code' => '<?php
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class CreateController {
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#[Param(paramType: ParamType::FLAG)]
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public function actionGet(): void {}
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}
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use Attribute;
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#[Attribute(Attribute::TARGET_METHOD | Attribute::IS_REPEATABLE)]
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class Param {
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public function __construct(
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public ParamType $paramType = ParamType::PARAM
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) {
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}
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}
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enum ParamType {
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case FLAG;
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case PARAM;
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}',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'casesOnEnumWithNoCasesReturnEmptyArray' => [
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'code' => '<?php
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enum Status: int {}
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$_z = Status::cases();
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',
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'assertions' => [
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'$_z===' => 'array<never, never>',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'backedEnumFromReturnsInstanceOfThatEnum' => [
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'code' => '<?php
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enum Status: int {
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case Open = 1;
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case Closed = 2;
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}
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function f(): Status {
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return Status::from(1);
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}
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',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'backedEnumTryFromReturnsInstanceOfThatEnum' => [
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'code' => '<?php
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enum Status: int {
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case Open = 1;
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case Closed = 2;
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}
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function f(): Status {
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return Status::tryFrom(rand(1, 10)) ?? Status::Open;
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}
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',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'backedEnumFromReturnsSpecificCase' => [
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'code' => '<?php
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enum Status: int {
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case Open = 1;
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case Closed = 2;
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}
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$_z = Status::from(2);
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',
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'assertions' => [
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'$_z===' => 'enum(Status::Closed)',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'backedEnumTryFromReturnsSpecificCase' => [
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'code' => '<?php
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enum Status: int {
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case Open = 1;
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case Closed = 2;
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}
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$_z = Status::tryFrom(2);
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',
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'assertions' => [
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'$_z===' => 'enum(Status::Closed)|null',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'backedEnumFromReturnsUnionOfCases' => [
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'code' => '<?php
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enum Status: int {
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case Open = 1;
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case Closed = 2;
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case Busted = 3;
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}
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$_z = Status::from(rand(1, 2));
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',
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'assertions' => [
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'$_z===' => 'enum(Status::Closed)|enum(Status::Open)',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'backedEnumTryFromReturnsUnionOfCases' => [
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'code' => '<?php
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enum Status: int {
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case Open = 1;
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case Closed = 2;
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case Busted = 3;
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}
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$_z = Status::tryFrom(rand(1, 2));
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',
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'assertions' => [
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'$_z===' => 'enum(Status::Closed)|enum(Status::Open)|null',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'InterfacesWithProperties' => [
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'code' => '<?php
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static fn (\UnitEnum $tag): string => $tag->name;
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static fn (\BackedEnum $tag): string|int => $tag->value;
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interface ExtendedUnitEnum extends \UnitEnum {}
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static fn (ExtendedUnitEnum $tag): string => $tag->name;
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interface ExtendedBackedEnum extends \BackedEnum {}
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static fn (ExtendedBackedEnum $tag): string|int => $tag->value;
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',
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'assertions' => [],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'EnumCollapsing' => [
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'code' => '<?php
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enum Code: int
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{
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case Ok = 0;
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case Fatal = 1;
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}
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function foo(): int|Code|null
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{
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return null;
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}
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$code = foo();
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if(!isset($code)){
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$code = Code::Ok;
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}',
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'assertions' => [
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'$code' => 'Code|int',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'EnumCaseReconciliation' => [
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'code' => '<?php
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enum Code: int
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{
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case Ok = 0;
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case Fatal = 1;
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}
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function foo(): Code|null
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{
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return null;
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}
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$code = foo();
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$code1 = null;
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$code2 = null;
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if($code instanceof Code){
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$code1 = $code;
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}
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if(!$code instanceof Code){
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$code2 = $code;
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}',
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'assertions' => [
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'$code1' => 'Code|null',
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'$code2' => 'null',
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],
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'ignored_issues' => [],
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'php_version' => '8.1',
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],
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'constantAsACaseValueOfABackedEnum' => [
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'code' => '<?php
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enum Test: string
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{
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public const ENUM_VALUE = "forty two";
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|
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case TheAnswer = self::ENUM_VALUE;
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}
|
|
$a = Test::TheAnswer->value;
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',
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'assertions' => [
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'$a===' => "'forty two'",
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],
|
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'ignored_issues' => [],
|
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'php_version' => '8.1',
|
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],
|
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'methodInheritanceByInterfaces' => [
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'code' => '<?php
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interface I extends BackedEnum {}
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/** @var I $i */
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$a = $i::cases();
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$b = $i::from(1);
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$c = $i::tryFrom(2);
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|
',
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'assertions' => [
|
|
'$a===' => 'list<I>',
|
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'$b===' => 'I',
|
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'$c===' => 'I|null',
|
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],
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'reconcileCaseWithInterface' => [
|
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'code' => <<<'PHP'
|
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<?php
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interface I {}
|
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enum E implements I { case A; }
|
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function f(I $i): void {
|
|
if ($i === E::A) {
|
|
} else {
|
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}
|
|
}
|
|
PHP,
|
|
'assertions' => [],
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'valueOfBackedEnum' => [
|
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'code' => <<<'PHP'
|
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<?php
|
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enum StringEnum: string {
|
|
case FOO = 'foo';
|
|
case BAR = 'bar';
|
|
}
|
|
|
|
enum IntEnum: int {
|
|
case FOO = 1;
|
|
case BAR = 2;
|
|
}
|
|
|
|
/** @var value-of<StringEnum::FOO> $string */
|
|
$string = '';
|
|
/** @var value-of<StringEnum::*> $anyString */
|
|
$anyString = '';
|
|
|
|
/** @var value-of<IntEnum::FOO> $int */
|
|
$int = 0;
|
|
/** @var value-of<IntEnum::*> $anyInt */
|
|
$anyInt = 0;
|
|
PHP,
|
|
'assertions' => [
|
|
'$string===' => '\'foo\'',
|
|
'$anyString===' => '\'bar\'|\'foo\'',
|
|
'$int===' => '1',
|
|
'$anyInt===' => '1|2',
|
|
],
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
];
|
|
}
|
|
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'enumValueIsNot' => [
|
|
'code' => '<?php
|
|
enum Suit: string {
|
|
case Hearts = "h";
|
|
case Diamonds = "d";
|
|
case Clubs = "c";
|
|
case Spades = "s";
|
|
}
|
|
|
|
if (Suit::Hearts->value === "a") {}',
|
|
'error_message' => 'TypeDoesNotContainType',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'enumValueNotBacked' => [
|
|
'code' => '<?php
|
|
enum Suit {
|
|
case Hearts;
|
|
case Diamonds;
|
|
case Clubs;
|
|
case Spades;
|
|
}
|
|
|
|
echo Suit::Hearts->value;',
|
|
'error_message' => 'UndefinedPropertyFetch',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'badSuit' => [
|
|
'code' => '<?php
|
|
enum Suit {
|
|
case Hearts;
|
|
case Diamonds;
|
|
case Clubs;
|
|
case Spades;
|
|
}
|
|
|
|
function foo(Suit $s): void {
|
|
if ($s === Suit::Clu) {}
|
|
}',
|
|
'error_message' => 'UndefinedConstant',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'cantCompareToSuitTwice' => [
|
|
'code' => '<?php
|
|
enum Suit {
|
|
case Hearts;
|
|
case Diamonds;
|
|
case Clubs;
|
|
case Spades;
|
|
}
|
|
|
|
function foo(Suit $s): void {
|
|
if ($s === Suit::Clubs) {
|
|
if ($s === Suit::Clubs) {
|
|
echo "bad";
|
|
}
|
|
}
|
|
}',
|
|
'error_message' => 'RedundantCondition',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'insufficientMatches' => [
|
|
'code' => '<?php
|
|
enum Suit {
|
|
case Hearts;
|
|
case Diamonds;
|
|
case Clubs;
|
|
case Spades;
|
|
|
|
public function color(): string {
|
|
return match($this) {
|
|
Suit::Hearts, Suit::Diamonds => "Red",
|
|
Suit::Clubs => "Black",
|
|
};
|
|
}
|
|
}',
|
|
'error_message' => 'UnhandledMatchCondition',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'insufficientMatchesForCases' => [
|
|
'code' => '<?php
|
|
enum Suit {
|
|
case Hearts;
|
|
case Diamonds;
|
|
case Clubs;
|
|
case Spades;
|
|
}
|
|
|
|
foreach (Suit::cases() as $case) {
|
|
echo match($case) {
|
|
Suit::Hearts, Suit::Diamonds => "Red",
|
|
Suit::Clubs => "Black",
|
|
};
|
|
}',
|
|
'error_message' => 'UnhandledMatchCondition',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'invalidBackingType' => [
|
|
'code' => '<?php
|
|
enum Status: array {}
|
|
',
|
|
'error_message' => 'InvalidEnumBackingType',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'invalidCaseTypeForBackedEnum' => [
|
|
'code' => '<?php
|
|
enum Status: int {
|
|
case Open = [];
|
|
}
|
|
',
|
|
'error_message' => 'InvalidEnumCaseValue',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'duplicateValues' => [
|
|
'code' => '<?php
|
|
enum Status: string
|
|
{
|
|
case Foo = "foo";
|
|
case Bar = "bar";
|
|
case Baz = "bar";
|
|
}
|
|
',
|
|
'error_message' => 'DuplicateEnumCaseValue',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'duplicateCases' => [
|
|
'code' => '<?php
|
|
enum Status
|
|
{
|
|
case Foo;
|
|
case Foo;
|
|
}
|
|
',
|
|
'error_message' => 'DuplicateEnumCase',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'caseWithAValueOfANonBackedEnum' => [
|
|
'code' => '<?php
|
|
enum Status
|
|
{
|
|
case Foo = 1;
|
|
}
|
|
',
|
|
'error_message' => 'InvalidEnumCaseValue',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'caseWithoutAValueOfABackedEnum' => [
|
|
'code' => '<?php
|
|
enum Status: int
|
|
{
|
|
case Foo;
|
|
}
|
|
',
|
|
'error_message' => 'InvalidEnumCaseValue',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'caseTypeMismatch' => [
|
|
'code' => '<?php
|
|
enum Status: int
|
|
{
|
|
case Foo = "one";
|
|
}
|
|
',
|
|
'error_message' => 'InvalidEnumCaseValue',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'propsOnEnum' => [
|
|
'code' => '<?php
|
|
enum Status {
|
|
public $prop;
|
|
}
|
|
',
|
|
'error_message' => 'NoEnumProperties',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'enumInstantiation' => [
|
|
'code' => '<?php
|
|
enum Status {}
|
|
new Status;
|
|
',
|
|
'error_message' => 'UndefinedClass',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'enumsAsAttributes' => [
|
|
'code' => '<?php
|
|
#[Attribute(Attribute::TARGET_CLASS)]
|
|
enum Status { }
|
|
',
|
|
'error_message' => 'InvalidAttribute',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'deprecatedAttribute' => [
|
|
'code' => '<?php
|
|
enum Foo {
|
|
case A;
|
|
|
|
#[Psalm\Deprecated]
|
|
case B;
|
|
}
|
|
|
|
Foo::B;
|
|
',
|
|
'error_message' => 'DeprecatedConstant',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'forbiddenMethod' => [
|
|
'code' => '<?php
|
|
enum Foo {
|
|
case A;
|
|
public function __get() {}
|
|
}
|
|
',
|
|
'error_message' => 'InvalidEnumMethod',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'forbiddenUnitEnumImplementation' => [
|
|
'code' => '<?php
|
|
class Foo implements UnitEnum {
|
|
/** @psalm-pure */
|
|
public static function cases(): array
|
|
{
|
|
return [];
|
|
}
|
|
}
|
|
',
|
|
'error_message' => 'InvalidInterfaceImplementation',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'forbiddenBackedEnumImplementation' => [
|
|
'code' => '<?php
|
|
class Foo implements BackedEnum {
|
|
/** @psalm-pure */
|
|
public static function cases(): array
|
|
{
|
|
return [];
|
|
}
|
|
|
|
/** @psalm-pure */
|
|
public static function from(int|string $value): static
|
|
{
|
|
throw new Exception;
|
|
}
|
|
|
|
/** @psalm-pure */
|
|
public static function tryFrom(int|string $value): ?static
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
',
|
|
'error_message' => 'InvalidInterfaceImplementation',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'forbiddenUnitEnumCasesMethod' => [
|
|
'code' => '<?php
|
|
enum Foo {
|
|
case A;
|
|
public static function cases(): array
|
|
{
|
|
return [];
|
|
}
|
|
}
|
|
',
|
|
'error_message' => 'InvalidEnumMethod',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'forbiddenBackedEnumCasesMethod' => [
|
|
'code' => '<?php
|
|
enum Status: string {
|
|
case Open = "open";
|
|
public static function cases(): array
|
|
{
|
|
return [];
|
|
}
|
|
}
|
|
',
|
|
'error_message' => 'InvalidEnumMethod',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'forbiddenBackedEnumFromMethod' => [
|
|
'code' => '<?php
|
|
enum Status: string {
|
|
case Open = "open";
|
|
public static function from(string $value): self
|
|
{
|
|
throw new Exception;
|
|
}
|
|
}
|
|
',
|
|
'error_message' => 'InvalidEnumMethod',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'forbiddenBackedEnumTryFromMethod' => [
|
|
'code' => '<?php
|
|
enum Status: string {
|
|
case Open = "open";
|
|
public static function tryFrom(string $value): ?self
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
',
|
|
'error_message' => 'InvalidEnumMethod',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'functionCallWithInvalidCase' => [
|
|
'code' => '<?php
|
|
enum Status {
|
|
case Open;
|
|
case Closed;
|
|
}
|
|
|
|
/** @param Status::Open $status */
|
|
function foo(Status $status): void {}
|
|
|
|
foo(Status::Closed);
|
|
',
|
|
'error_message' => 'InvalidArgument',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'issue-7814-1' => [
|
|
'code' => '<?php
|
|
enum State
|
|
{
|
|
case A;
|
|
case B;
|
|
case C;
|
|
}
|
|
|
|
/**
|
|
* @param State::A|State::B $_
|
|
*/
|
|
function test(State $_): void {}
|
|
|
|
test(State::C);
|
|
',
|
|
'error_message' => 'InvalidArgument',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
'issue-7814-2' => [
|
|
'code' => '<?php
|
|
enum State
|
|
{
|
|
case A;
|
|
case B;
|
|
case C;
|
|
}
|
|
|
|
/**
|
|
* @template T of State
|
|
*/
|
|
final class WithState
|
|
{
|
|
/**
|
|
* @param T $s
|
|
*/
|
|
public function __construct(
|
|
public readonly State $s,
|
|
) {}
|
|
}
|
|
|
|
/**
|
|
* @param WithState<State::A> $_
|
|
*/
|
|
function withA(WithState $_): void {}
|
|
|
|
// Should be issue here. But nothing
|
|
// Argument 1 of withA expects WithState<enum(State::A)>, WithState<enum(State::C)> provided
|
|
withA(new WithState(State::C));
|
|
',
|
|
'error_message' => 'InvalidArgument',
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.1',
|
|
],
|
|
];
|
|
}
|
|
}
|