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https://github.com/danog/psalm.git
synced 2024-11-27 04:45:20 +01:00
990 lines
31 KiB
PHP
990 lines
31 KiB
PHP
<?php
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namespace Psalm\Tests;
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use Psalm\Config;
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use Psalm\Context;
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use Psalm\Exception\CodeException;
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use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
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use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
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use function class_exists;
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use const DIRECTORY_SEPARATOR;
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class BinaryOperationTest extends TestCase
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{
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use InvalidCodeAnalysisTestTrait;
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use ValidCodeAnalysisTestTrait;
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public function testGMPOperations(): void
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{
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if (class_exists('GMP') === false) {
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$this->markTestSkipped('Cannot run test, base class "GMP" does not exist!');
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}
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$this->addFile(
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'somefile.php',
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'<?php
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$a = gmp_init(2);
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$b = gmp_init(4);
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$c = $a + $b;
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$d = $c + 3;
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echo $d;
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$f = $a / $b;
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$g = $a ** $b;
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$h = $a % $b;
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$i = 6 + $b;
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$j = 6 - $b;
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$k = 6 * $b;
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$l = 6 / $b;
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$m = 6 ** $b;
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$n = 6 % $b;
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$o = $a + 6;
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$p = $a - 6;
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$q = $a * 6;
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$r = $a / 6;
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$s = $a ** 6;
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$t = $a % 6;'
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);
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$assertions = [
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'$a' => 'GMP',
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'$b' => 'GMP',
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'$c' => 'GMP',
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'$d' => 'GMP',
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'$f' => 'GMP',
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'$g' => 'GMP',
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'$h' => 'GMP',
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'$i' => 'GMP',
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'$j' => 'GMP',
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'$k' => 'GMP',
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'$l' => 'GMP',
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'$m' => 'GMP',
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'$n' => 'GMP',
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'$o' => 'GMP',
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'$p' => 'GMP',
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'$q' => 'GMP',
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'$r' => 'GMP',
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'$s' => 'GMP',
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'$t' => 'GMP',
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];
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$context = new Context();
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$this->analyzeFile('somefile.php', $context);
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$actual_vars = [];
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foreach ($assertions as $var => $_) {
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if (isset($context->vars_in_scope[$var])) {
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$actual_vars[$var] = (string)$context->vars_in_scope[$var];
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}
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}
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$this->assertSame($assertions, $actual_vars);
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}
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public function testDecimalOperations(): void
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{
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if (!class_exists('Decimal\\Decimal')) {
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$this->markTestSkipped('Cannot run test, base class "Decimal\\Decimal" does not exist!');
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}
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$this->addFile(
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'somefile.php',
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'<?php
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$a = new \Decimal\Decimal(2);
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$b = new \Decimal\Decimal(4);
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$c = $a + $b;
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$d = $c + 3;
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echo $d;
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$f = $a / $b;
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$g = $a ** $b;
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$h = $a % $b;
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$i = 6 + $b;
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$j = 6 - $b;
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$k = 6 * $b;
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$l = 6 / $b;
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$m = 6 ** $b;
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$n = 6 % $b;
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$o = $a + 6;
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$p = $a - 6;
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$q = $a * 6;
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$r = $a / 6;
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$s = $a ** 6;
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$t = $a % 6;'
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);
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$assertions = [
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'$a' => 'Decimal\\Decimal',
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'$b' => 'Decimal\\Decimal',
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'$c' => 'Decimal\\Decimal',
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'$d' => 'Decimal\\Decimal',
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'$f' => 'Decimal\\Decimal',
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'$g' => 'Decimal\\Decimal',
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'$h' => 'Decimal\\Decimal',
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'$i' => 'Decimal\\Decimal',
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'$j' => 'Decimal\\Decimal',
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'$k' => 'Decimal\\Decimal',
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'$l' => 'Decimal\\Decimal',
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'$m' => 'Decimal\\Decimal',
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'$n' => 'Decimal\\Decimal',
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'$o' => 'Decimal\\Decimal',
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'$p' => 'Decimal\\Decimal',
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'$q' => 'Decimal\\Decimal',
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'$r' => 'Decimal\\Decimal',
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'$s' => 'Decimal\\Decimal',
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'$t' => 'Decimal\\Decimal',
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];
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$context = new Context();
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$this->analyzeFile('somefile.php', $context);
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$actual_vars = [];
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foreach ($assertions as $var => $_) {
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if (isset($context->vars_in_scope[$var])) {
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$actual_vars[$var] = (string)$context->vars_in_scope[$var];
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}
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}
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$this->assertSame($assertions, $actual_vars);
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}
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public function testStrictTrueEquivalence(): void
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{
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$config = Config::getInstance();
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$config->strict_binary_operands = true;
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$this->addFile(
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'somefile.php',
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'<?php
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function returnsABool(): bool {
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return rand(1, 2) === 1;
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}
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if (returnsABool() === true) {
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echo "hi!";
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}'
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);
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$this->expectException(CodeException::class);
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$this->expectExceptionMessage('RedundantIdentityWithTrue');
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$this->analyzeFile('somefile.php', new Context());
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}
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public function testStringFalseInequivalence(): void
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{
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$config = Config::getInstance();
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$config->strict_binary_operands = true;
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$this->addFile(
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'somefile.php',
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'<?php
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function returnsABool(): bool {
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return rand(1, 2) === 1;
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}
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if (returnsABool() !== false) {
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echo "hi!";
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}'
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);
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$this->expectException(CodeException::class);
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$this->expectExceptionMessage('RedundantIdentityWithTrue');
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$this->analyzeFile('somefile.php', new Context());
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}
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/**
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* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
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*/
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public function providerValidCodeParse(): iterable
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{
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return [
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'regularAddition' => [
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'<?php
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$a = 5 + 4;',
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'assertions' => [
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'$a' => 'int',
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],
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],
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'differingNumericTypesAdditionInWeakMode' => [
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'<?php
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$a = 5 + 4.1;',
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'assertions' => [
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'$a' => 'float',
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],
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],
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'modulo' => [
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'<?php
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$a = 25 % 2;
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$b = 25.4 % 2;
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$c = 25 % 2.5;
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$d = 25.5 % 2.5;
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$e = 25 % 1;',
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'assertions' => [
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'$a' => 'int',
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'$b' => 'int',
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'$c' => 'int',
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'$d' => 'int',
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'$e' => 'int',
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],
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],
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'numericAddition' => [
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'<?php
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$a = "5";
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if (is_numeric($a)) {
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$b = $a + 4;
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}',
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],
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'concatenation' => [
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'<?php
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$a = "Hey " . "Jude,";',
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],
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'concatenationWithNumberInWeakMode' => [
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'<?php
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$a = "hi" . 5;',
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],
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'concatenationWithTwoLiteralInt' => [
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'<?php
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$a = 7 . 5;',
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'assertions' => [
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'$a' => 'string',//will contain "75"
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]
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],
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'concatenationWithTwoInt' => [
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'<?php
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/**
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* @param positive-int|0 $b
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* @return numeric-string
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*/
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function scope(int $a, int $b): string{
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return $a . $b;
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}',
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],
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'concatenateUnion' => [
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'<?php
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$arr = ["foobar" => false, "foobaz" => true, "barbaz" => true];
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$foo = random_int(0, 1) ? "foo" : "bar";
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$foo .= "baz";
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$val = $arr[$foo];
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',
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'assertions' => ['$val' => 'true'],
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],
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'concatenateLiteralIntAndString' => [
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'<?php
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$arr = ["foobar" => false, "foo123" => true];
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$foo = "foo";
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$foo .= 123;
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$val = $arr[$foo];
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',
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'assertions' => ['$val' => 'true'],
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],
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'concatenateNonEmptyResultsInNonEmpty' => [
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'<?php
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/** @param non-empty-lowercase-string $arg */
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function foobar($arg): string
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{
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return $arg;
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}
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$foo = rand(0, 1) ? "a" : "b";
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$bar = rand(0, 1) ? "c" : "d";
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$baz = $foo . $bar;
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foobar($baz);
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',
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],
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'concatenateEmptyWithNonemptyCast' => [
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'<?php
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class A
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{
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/** @psalm-return non-empty-lowercase-string */
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public function __toString(): string
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{
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return "foo";
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}
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}
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/** @param non-empty-lowercase-string $arg */
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function foo($arg): string
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{
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return $arg;
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}
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$bar = new A();
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foo("" . $bar);
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',
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],
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'concatenateNegativeIntLeftSideIsNumeric' => [
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'<?php
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/**
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* @param numeric-string $bar
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* @return int
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*/
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function foo(string $bar): int
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{
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return (int) $bar;
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}
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foo(foo("-123") . 456);
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',
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],
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'castToIntPreserveNarrowerIntType' => [
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'<?php
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/**
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* @param positive-int $i
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* @return positive-int
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*/
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function takesAnInt(int $i) {
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/** @psalm-suppress RedundantCast */
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return (int)$i;
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}
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',
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],
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'concatenateFloatWithInt' => [
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'<?php
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/**
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* @param numeric-string $bar
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* @return numeric-string
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*/
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function foo(string $bar): string
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{
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return $bar;
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}
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foo(-123.456 . 789);
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',
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],
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'concatenateIntIsLowercase' => [
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'<?php
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/**
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* @param non-empty-lowercase-string $bar
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* @return non-empty-lowercase-string
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*/
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function foobar(string $bar): string
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{
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return $bar;
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}
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/** @var lowercase-string */
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$foo = "abc";
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/** @var int */
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$bar = 123;
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foobar($foo . $bar);
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',
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],
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'possiblyInvalidAdditionOnBothSides' => [
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'<?php
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function foo(string $s) : int {
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return strpos($s, "a") + strpos($s, "b");
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}',
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'assertions' => [],
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'error_levels' => ['PossiblyFalseOperand'],
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],
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'bitwiseoperations' => [
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'<?php
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$a = 4 & 5;
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$b = 2 | 3;
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$c = 4 ^ 3;
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$d = 1 << 2;
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$e = 15 >> 2;
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$f = "a" & "b";',
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'assertions' => [
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'$a' => 'int',
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'$b' => 'int',
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'$c' => 'int',
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'$d' => 'int',
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'$e' => 'int',
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'$f' => 'string',
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],
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],
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'ComplexLiteralBitwise' => [
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'<?php
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/**
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* @return 7
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*/
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function scope(){
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return 1 | 2 | 4 | (1 & 0);
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}',
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],
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'booleanXor' => [
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'<?php
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$a = 4 ^ 1;
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$b = 3 ^ 1;
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$c = (true xor false);
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$d = (false xor false);',
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'assertions' => [
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'$a' => 'int',
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'$b' => 'int',
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'$c' => 'bool',
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'$d' => 'bool',
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],
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],
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'ternaryAssignment' => [
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'<?php
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rand(0, 1) ? $a = 1 : $a = 2;
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echo $a;',
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],
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'assignmentInRHS' => [
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'<?php
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$name = rand(0, 1) ? "hello" : null;
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if ($name !== null || ($name = rand(0, 1) ? "hello" : null) !== null) {}',
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],
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'floatIncrement' => [
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'<?php
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$a = 1.1;
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$a++;
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$b = 1.1;
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$b += 1;',
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'assertions' => [
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'$a' => 'float',
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'$b' => 'float',
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],
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],
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'exponent' => [
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'<?php
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$b = 4 ** 5;',
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'assertions' => [
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'$b' => 'int',
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],
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],
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'bitwiseNot' => [
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'<?php
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$a = ~4;
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$b = ~4.0;
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$c = ~4.4;
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$d = ~"a";',
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'assertions' => [
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'$a' => 'int',
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'$b' => 'int',
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'$c' => 'int',
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'$d' => 'string',
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],
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],
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'stringIncrementSuppressed' => [
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'<?php
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$a = "hello";
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/** @psalm-suppress StringIncrement */
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$a++;',
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'assertions' => [
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'$a' => 'string',
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],
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],
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'stringIncrementWithCheck' => [
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'<?php
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/** @psalm-suppress StringIncrement */
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for($a = "a"; $a != "z"; $a++){
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if($a === "b"){
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echo "b reached";
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}
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}',
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'assertions' => [
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'$a===' => 'non-empty-string',
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],
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],
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'nullCoalescingAssignment' => [
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'<?php
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function foo(?string $s): string {
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$s ??= "Hello";
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return $s;
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}',
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'assertions' => [],
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'error_levels' => [],
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'7.4',
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],
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'nullCoalescingArrayAssignment' => [
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'<?php
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/**
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* @param array<string> $arr
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*/
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function foo(array $arr) : void {
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$b = [];
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foreach ($arr as $a) {
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$b[0] ??= $a;
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}
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}',
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'assertions' => [],
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'error_levels' => [],
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'7.4',
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],
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'addArrays' => [
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'<?php
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/**
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* @param array{host?:string} $opts
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* @return array{host:string|int}
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*/
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function a(array $opts): array {
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return $opts + ["host" => 5];
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}'
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],
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'addIntToZero' => [
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'<?php
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$tick = 0;
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test($tick + 1);
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$tick++;
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test($tick);
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/**
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* @psalm-param positive-int $tickedTimes
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*/
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function test(int $tickedTimes): void {}'
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],
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'numericPlusIntegerIsIntOrFloat' => [
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'<?php
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/** @param numeric-string $s */
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function foo(string $s) : void {
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$s = $s + 1;
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if (is_int($s)) {}
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}'
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],
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'interpolatedStringNotEmpty' => [
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'<?php
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/**
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* @psalm-param non-empty-string $i
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*/
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function func($i): string
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{
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return $i;
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}
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function foo(string $a) : void {
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func("asdasdasd $a");
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}'
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],
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'spaceshipOpIsLiteralUnionType' => [
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'<?php
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/**
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* @psalm-param -1|0|1 $i
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*/
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function onlyZeroOrPlusMinusOne(int $i): int {
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return $i;
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}
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/**
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* @psalm-param mixed $a
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* @psalm-param mixed $b
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*/
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function foo($a, $b): void {
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onlyZeroOrPlusMinusOne($a <=> $b);
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}'
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],
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'notAlwaysPositiveBitOperations' => [
|
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'<?php
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$a = 1;
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$b = 1;
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$c = 32;
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$d = 64;
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$e = 2;
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if (0 === ($a ^ $b)) {
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echo "Actually, zero\n";
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}
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|
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if (0 === ($a & $e)) {
|
|
echo "Actually, zero\n";
|
|
}
|
|
|
|
if (0 === ($a >> $b)) {
|
|
echo "Actually, zero\n";
|
|
}
|
|
|
|
if (8 === PHP_INT_SIZE) {
|
|
if (0 === ($a << $d)) {
|
|
echo "Actually, zero\n";
|
|
}
|
|
}'
|
|
],
|
|
'IntOverflowMul' => [
|
|
'<?php
|
|
$a = (1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024);',
|
|
'assertions' => [
|
|
'$a' => 'float'
|
|
],
|
|
],
|
|
'IntOverflowPow' => [
|
|
'<?php
|
|
$a = 2 ** 80;',
|
|
'assertions' => [
|
|
'$a' => 'float'
|
|
],
|
|
],
|
|
'IntOverflowPlus' => [
|
|
'<?php
|
|
$a = 2**62 - 1 + 2**62;
|
|
$b = 2**62 + 2**62 - 1; // plus results in a float',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
'$b' => 'float',
|
|
],
|
|
],
|
|
'IntOverflowPowSub' => [
|
|
'<?php
|
|
$a = 2 ** 63;',
|
|
'assertions' => [
|
|
'$a' => 'float'
|
|
],
|
|
],
|
|
'IntOverflowSub' => [
|
|
'<?php
|
|
$a = (1 << 63) - (1 << 20);',
|
|
'assertions' => [
|
|
'$a' => 'float'
|
|
],
|
|
],
|
|
'literalConcatCreatesLiteral' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @param literal-string $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, string $s2): string {
|
|
return $s1 . $s2;
|
|
}',
|
|
],
|
|
'literalConcatCreatesLiteral2' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1): string {
|
|
return $s1 . 2;
|
|
}',
|
|
],
|
|
'encapsedStringIncludingLiterals' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @param literal-string $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, string $s2): string {
|
|
return "Hello $s1 $s2";
|
|
}',
|
|
],
|
|
'encapsedStringIncludingLiterals2' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1): string {
|
|
$s2 = 2;
|
|
return "Hello $s1 $s2";
|
|
}',
|
|
],
|
|
'encapsedStringIsInferredAsLiteral' => [
|
|
'<?php
|
|
$int = 1;
|
|
$float = 2.3;
|
|
$string = "foobar";
|
|
$interpolated = "{$int}{$float}{$string}";
|
|
',
|
|
'assertions' => ['$interpolated===' => '"12.3foobar"'],
|
|
],
|
|
'concatenatedStringIsInferredAsLiteral' => [
|
|
'<?php
|
|
$int = 1;
|
|
$float = 2.3;
|
|
$string = "foobar";
|
|
$concatenated = $int . $float . $string;
|
|
',
|
|
'assertions' => ['$concatenated===' => '"12.3foobar"'],
|
|
],
|
|
'encapsedNonEmptyNonSpecificLiteralString' => [
|
|
'<?php
|
|
/** @var non-empty-literal-string */
|
|
$string = "foobar";
|
|
$interpolated = "$string";
|
|
',
|
|
'assertions' => ['$interpolated===' => 'non-empty-literal-string'],
|
|
],
|
|
'concatenatedNonEmptyNonSpecificLiteralString' => [
|
|
'<?php
|
|
/** @var non-empty-literal-string */
|
|
$string = "foobar";
|
|
$concatenated = $string . "";
|
|
',
|
|
'assertions' => ['$concatenated===' => 'non-empty-literal-string'],
|
|
],
|
|
'encapsedPossiblyEmptyLiteralString' => [
|
|
'<?php
|
|
/** @var "foo"|"" */
|
|
$foo = "";
|
|
/** @var "bar"|"" */
|
|
$bar = "";
|
|
$interpolated = "{$foo}{$bar}";
|
|
',
|
|
'assertions' => ['$interpolated===' => 'literal-string'],
|
|
],
|
|
'literalIntConcatCreatesLiteral' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @param literal-int $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, int $s2): string {
|
|
return $s1 . $s2;
|
|
}',
|
|
],
|
|
'literalIntConcatCreatesLiteral2' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-int $s1
|
|
* @return literal-string
|
|
*/
|
|
function foo(int $s1): string {
|
|
return "foo" . $s1;
|
|
}',
|
|
],
|
|
'numericWithInt' => [
|
|
'<?php
|
|
/** @return numeric */
|
|
function getNumeric(){
|
|
return 1;
|
|
}
|
|
$a = getNumeric();
|
|
$a++;
|
|
$b = getNumeric() * 2;
|
|
$c = 1 - getNumeric();
|
|
$d = 2;
|
|
$d -= getNumeric();
|
|
',
|
|
'assertions' => [
|
|
'$a' => 'float|int',
|
|
'$b' => 'float|int',
|
|
'$c' => 'float|int',
|
|
'$d' => 'float|int',
|
|
],
|
|
],
|
|
'encapsedStringWithIntIncludingLiterals' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-int $s1
|
|
* @param literal-int $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(int $s1, int $s2): string {
|
|
return "Hello $s1 $s2";
|
|
}',
|
|
],
|
|
'encapsedStringWithIntIncludingLiterals2' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-int $s1
|
|
* @return literal-string
|
|
*/
|
|
function foo(int $s1): string {
|
|
$s2 = "foo";
|
|
return "Hello $s1 $s2";
|
|
}',
|
|
],
|
|
'NumericStringIncrement' => [
|
|
'<?php
|
|
function scope(array $a): int|float {
|
|
$offset = array_search("foo", $a);
|
|
if(is_numeric($offset)){
|
|
return $offset++;
|
|
}
|
|
else{
|
|
return 0;
|
|
}
|
|
}',
|
|
],
|
|
'NumericStringIncrementLiteral' => [
|
|
'<?php
|
|
$a = "123";
|
|
$b = "123";
|
|
$a++;
|
|
++$b;
|
|
',
|
|
'assertions' => [
|
|
'$a' => 'float|int',
|
|
'$b' => 'float|int',
|
|
],
|
|
],
|
|
'coalesceFilterOutNullEvenWithTernary' => [
|
|
'<?php
|
|
|
|
interface FooInterface
|
|
{
|
|
public function toString(): ?string;
|
|
}
|
|
|
|
function example(object $foo): string
|
|
{
|
|
return ($foo instanceof FooInterface ? $foo->toString() : null) ?? "Not a stringable foo";
|
|
}',
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return iterable<string,array{string,error_message:string,1?:string[],2?:bool,3?:string}>
|
|
*/
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'badAddition' => [
|
|
'<?php
|
|
$a = "b" + 5;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'differingNumericTypesAdditionInStrictMode' => [
|
|
'<?php
|
|
$a = 5 + 4.1;',
|
|
'error_message' => 'InvalidOperand',
|
|
'error_levels' => [],
|
|
'strict_mode' => true,
|
|
],
|
|
'concatenationWithNumberInStrictMode' => [
|
|
'<?php
|
|
$a = "hi" . 5;',
|
|
'error_message' => 'InvalidOperand',
|
|
'error_levels' => [],
|
|
'strict_mode' => true,
|
|
],
|
|
'concatenateNegativeIntRightSideIsNotNumeric' => [
|
|
'<?php
|
|
/**
|
|
* @param numeric-string $bar
|
|
* @return int
|
|
*/
|
|
function foo(string $bar): int
|
|
{
|
|
return (int) $bar;
|
|
}
|
|
|
|
foo(foo("123") . foo("-456"));
|
|
',
|
|
'error_message' => 'ArgumentTypeCoercion',
|
|
],
|
|
'addArrayToNumber' => [
|
|
'<?php
|
|
$a = [1] + 1;',
|
|
'error_message' => 'InvalidOperand',
|
|
'error_levels' => [],
|
|
'strict_mode' => true,
|
|
],
|
|
'additionWithClassInWeakMode' => [
|
|
'<?php
|
|
$a = "hi" + (new stdClass);',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'possiblyInvalidOperand' => [
|
|
'<?php
|
|
$b = rand(0, 1) ? [] : 4;
|
|
echo $b + 5;',
|
|
'error_message' => 'PossiblyInvalidOperand',
|
|
],
|
|
'possiblyInvalidConcat' => [
|
|
'<?php
|
|
$b = rand(0, 1) ? [] : "hello";
|
|
echo $b . "goodbye";',
|
|
'error_message' => 'PossiblyInvalidOperand',
|
|
],
|
|
'invalidGMPOperation' => [
|
|
'<?php
|
|
$a = gmp_init(2);
|
|
$b = "a" + $a;',
|
|
'error_message' => 'InvalidOperand - src' . DIRECTORY_SEPARATOR . 'somefile.php:3:26 - Cannot add GMP to non-numeric type',
|
|
],
|
|
'stringIncrement' => [
|
|
'<?php
|
|
$a = "hello";
|
|
$a++;',
|
|
'error_message' => 'StringIncrement',
|
|
],
|
|
'falseIncrement' => [
|
|
'<?php
|
|
$a = false;
|
|
$a++;',
|
|
'error_message' => 'FalseOperand',
|
|
],
|
|
'trueIncrement' => [
|
|
'<?php
|
|
$a = true;
|
|
$a++;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'possiblyDivByZero' => [
|
|
'<?php
|
|
$a = 5 / (rand(0, 1) ? 2 : null);',
|
|
'error_message' => 'PossiblyNullOperand',
|
|
],
|
|
'invalidExponent' => [
|
|
'<?php
|
|
$a = "x" ^ 1;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'invalidBitwiseOr' => [
|
|
'<?php
|
|
$a = "x" | new stdClass;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'invalidBitwiseNot' => [
|
|
'<?php
|
|
$a = ~new stdClass;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'possiblyInvalidBitwiseNot' => [
|
|
'<?php
|
|
$a = ~(rand(0, 1) ? 2 : null);',
|
|
'error_message' => 'PossiblyInvalidOperand',
|
|
],
|
|
'invalidBooleanBitwiseNot' => [
|
|
'<?php
|
|
$a = ~true;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'substrImpossible' => [
|
|
'<?php
|
|
class HelloWorld
|
|
{
|
|
public function sayHello(string $s): void
|
|
{
|
|
if (substr($s, 0, 6) === "abc") {}
|
|
}
|
|
}',
|
|
'error_message' => 'TypeDoesNotContainType',
|
|
],
|
|
'literalConcatWithStringCreatesString' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-string $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, string $s2): string {
|
|
return $s1 . $s2;
|
|
}',
|
|
'error_message' => 'LessSpecificReturnStatement',
|
|
],
|
|
'encapsedConcatWithStringCreatesString' => [
|
|
'<?php
|
|
/**
|
|
* @param literal-string $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, string $s2): string {
|
|
return "hello $s1 $s2";
|
|
}',
|
|
'error_message' => 'LessSpecificReturnStatement',
|
|
],
|
|
];
|
|
}
|
|
}
|