mirror of
https://github.com/danog/psalm.git
synced 2024-11-27 04:45:20 +01:00
1163 lines
37 KiB
PHP
1163 lines
37 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 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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$this->addFile(
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'somefile.php',
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'<?php
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$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, $actual_vars);
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}
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public function testDecimalOperations(): void
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{
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$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, $actual_vars);
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}
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public function testMatchOnBoolean(): void
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{
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$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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class a {}
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class b {}
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/** @var a|b */
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$obj = new a;
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$result1 = match (true) {
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$obj instanceof a => 123,
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$obj instanceof b => 321,
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};
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$result2 = match (false) {
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$obj instanceof a => 123,
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$obj instanceof b => 321,
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};
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',
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);
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$assertions = [
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'$obj' => 'a|b',
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'$result1' => '123|321',
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'$result2' => '123|321',
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];
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$context = new Context();
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$this->project_analyzer->setPhpVersion('8.0', 'tests');
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$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] = $context->vars_in_scope[$var]->getId(true);
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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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$this->analyzeFile('somefile.php', new Context());
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}
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public function testDifferingNumericLiteralTypesAdditionInStrictMode(): void
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{
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$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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$a = 5 + 4.1;',
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);
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$this->expectException(CodeException::class);
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$this->expectExceptionMessage('InvalidOperand');
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$this->analyzeFile('somefile.php', new Context());
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}
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public function testDifferingNumericTypesAdditionInStrictMode(): 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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$this->addFile(
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'somefile.php',
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'<?php
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/** @var float */
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$b = 4.1;
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$a = 5 + $b;',
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);
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$this->expectException(CodeException::class);
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$this->expectExceptionMessage('InvalidOperand');
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$this->analyzeFile('somefile.php', new Context());
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}
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public function testConcatenationWithNumberInStrictMode(): 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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$this->addFile(
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'somefile.php',
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'<?php
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$a = "hi" . 5;',
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);
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$this->expectException(CodeException::class);
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$this->expectExceptionMessage('InvalidOperand');
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$this->analyzeFile('somefile.php', new Context());
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}
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public function testImplicitStringConcatenation(): void
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{
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$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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interface I {
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public function __toString();
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}
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function takesI(I $i): void
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{
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$a = $i . "hello";
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}',
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);
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$this->expectException(CodeException::class);
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$this->expectExceptionMessage('ImplicitToStringCast');
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$this->analyzeFile('somefile.php', new Context());
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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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'code' => '<?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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'code' => '<?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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'code' => '<?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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'code' => '<?php
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$a = "5";
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if (is_numeric($a)) {
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$b = $a + 4;
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}',
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],
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'concatenation' => [
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'code' => '<?php
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$a = "Hey " . "Jude,";',
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],
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'concatenationWithNumberInWeakMode' => [
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'code' => '<?php
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$a = "hi" . 5;',
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],
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'concatenationWithTwoLiteralInt' => [
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'code' => '<?php
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$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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'code' => '<?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 . $b;
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}',
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],
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'concatenateUnion' => [
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'code' => '<?php
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$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' => ['$val' => 'true'],
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],
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'concatenateLiteralIntAndString' => [
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'code' => '<?php
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$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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'code' => '<?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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'code' => '<?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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'code' => '<?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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'code' => '<?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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'code' => '<?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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'code' => '<?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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'concatenateNonFalsyStringWithUndefinedConstant' => [
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'code' => '<?php
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/**
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* @param non-falsy-string $arg
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* @return non-falsy-string
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*/
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function foo( $arg ) {
|
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/** @psalm-suppress UndefinedConstant */
|
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return FOO . $arg;
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}
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',
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],
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'concatenateNonEmptyStringWithUndefinedConstant' => [
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'code' => '<?php
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/**
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* @param non-empty-string $arg
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* @return non-empty-string
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*/
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function foo( $arg ) {
|
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/** @psalm-suppress UndefinedConstant */
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return FOO . $arg;
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}
|
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',
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],
|
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'possiblyInvalidAdditionOnBothSides' => [
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'code' => '<?php
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function foo(string $s) : int {
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return strpos($s, "a") + strpos($s, "b");
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}',
|
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'assertions' => [],
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'ignored_issues' => ['PossiblyFalseOperand'],
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],
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'bitwiseoperations' => [
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'code' => '<?php
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$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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'$f' => 'string',
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],
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],
|
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'ComplexLiteralBitwise' => [
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'code' => '<?php
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/**
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* @return 7
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*/
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function scope(){
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return 1 | 2 | 4 | (1 & 0);
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}',
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],
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'booleanXor' => [
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'code' => '<?php
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$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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'code' => '<?php
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rand(0, 1) ? $a = 1 : $a = 2;
|
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echo $a;',
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],
|
|
'assignmentInRHS' => [
|
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'code' => '<?php
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$name = rand(0, 1) ? "hello" : null;
|
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if ($name !== null || ($name = rand(0, 1) ? "hello" : null) !== null) {}',
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],
|
|
'floatIncrement' => [
|
|
'code' => '<?php
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$a = 1.1;
|
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$a++;
|
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$b = 1.1;
|
|
$b += 1;',
|
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'assertions' => [
|
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'$a' => 'float',
|
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'$b' => 'float',
|
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],
|
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],
|
|
'exponent' => [
|
|
'code' => '<?php
|
|
$b = 4 ** 5;',
|
|
'assertions' => [
|
|
'$b' => 'int',
|
|
],
|
|
],
|
|
'bitwiseNot' => [
|
|
'code' => '<?php
|
|
$a = ~4;
|
|
$b = ~4.0;
|
|
$c = ~4.4;
|
|
$d = ~"a";',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
'$b' => 'int',
|
|
'$c' => 'int',
|
|
'$d' => 'string',
|
|
],
|
|
],
|
|
'stringIncrementSuppressed' => [
|
|
'code' => '<?php
|
|
$a = "hello";
|
|
/** @psalm-suppress StringIncrement */
|
|
$a++;',
|
|
'assertions' => [
|
|
'$a' => 'string',
|
|
],
|
|
],
|
|
'stringIncrementWithCheck' => [
|
|
'code' => '<?php
|
|
/** @psalm-suppress StringIncrement */
|
|
for($a = "a"; $a != "z"; $a++){
|
|
if($a === "b"){
|
|
echo "b reached";
|
|
}
|
|
}',
|
|
'assertions' => [
|
|
'$a===' => 'non-empty-string',
|
|
],
|
|
],
|
|
'nullCoalescingAssignment' => [
|
|
'code' => '<?php
|
|
function foo(?string $s): string {
|
|
$s ??= "Hello";
|
|
return $s;
|
|
}',
|
|
'assertions' => [],
|
|
'ignored_issues' => [],
|
|
'php_version' => '7.4',
|
|
],
|
|
'nullCoalescingArrayAssignment' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param array<string> $arr
|
|
*/
|
|
function foo(array $arr) : void {
|
|
$b = [];
|
|
|
|
foreach ($arr as $a) {
|
|
$b[0] ??= $a;
|
|
}
|
|
}',
|
|
'assertions' => [],
|
|
'ignored_issues' => [],
|
|
'php_version' => '7.4',
|
|
],
|
|
'addArrays' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param array{host?:string} $opts
|
|
* @return array{host:string|int}
|
|
*/
|
|
function a(array $opts): array {
|
|
return $opts + ["host" => 5];
|
|
}',
|
|
],
|
|
'addIntToZero' => [
|
|
'code' => '<?php
|
|
$tick = 0;
|
|
|
|
test($tick + 1);
|
|
|
|
$tick++;
|
|
|
|
test($tick);
|
|
|
|
/**
|
|
* @psalm-param positive-int $tickedTimes
|
|
*/
|
|
function test(int $tickedTimes): void {}',
|
|
],
|
|
'numericPlusIntegerIsIntOrFloat' => [
|
|
'code' => '<?php
|
|
/** @param numeric-string $s */
|
|
function foo(string $s) : void {
|
|
$s = $s + 1;
|
|
if (is_int($s)) {}
|
|
}',
|
|
],
|
|
'interpolatedStringNotEmpty' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-param non-empty-string $i
|
|
*/
|
|
function func($i): string
|
|
{
|
|
return $i;
|
|
}
|
|
|
|
function foo(string $a) : void {
|
|
func("asdasdasd $a");
|
|
}',
|
|
],
|
|
'spaceshipOpIsLiteralUnionType' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @psalm-param -1|0|1 $i
|
|
*/
|
|
function onlyZeroOrPlusMinusOne(int $i): int {
|
|
return $i;
|
|
}
|
|
|
|
/**
|
|
* @psalm-param mixed $a
|
|
* @psalm-param mixed $b
|
|
*/
|
|
function foo($a, $b): void {
|
|
onlyZeroOrPlusMinusOne($a <=> $b);
|
|
}',
|
|
],
|
|
'notAlwaysPositiveBitOperations' => [
|
|
'code' => '<?php
|
|
|
|
$a = 1;
|
|
$b = 1;
|
|
$c = 32;
|
|
$d = 64;
|
|
$e = 2;
|
|
|
|
if (0 === ($a ^ $b)) {
|
|
echo "Actually, zero\n";
|
|
}
|
|
|
|
if (0 === ($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' => [
|
|
'code' => '<?php
|
|
$a = (1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024);',
|
|
'assertions' => [
|
|
'$a' => 'float',
|
|
],
|
|
],
|
|
'IntOverflowPow' => [
|
|
'code' => '<?php
|
|
$a = 2 ** 80;',
|
|
'assertions' => [
|
|
'$a' => 'float',
|
|
],
|
|
],
|
|
'IntOverflowPlus' => [
|
|
'code' => '<?php
|
|
$a = 2**62 - 1 + 2**62;
|
|
$b = 2**62 + 2**62 - 1; // plus results in a float',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
'$b' => 'float',
|
|
],
|
|
],
|
|
'IntOverflowPowSub' => [
|
|
'code' => '<?php
|
|
$a = 2 ** 63;',
|
|
'assertions' => [
|
|
'$a' => 'float',
|
|
],
|
|
],
|
|
'IntOverflowSub' => [
|
|
'code' => '<?php
|
|
$a = (1 << 63) - (1 << 20);',
|
|
'assertions' => [
|
|
'$a' => 'float',
|
|
],
|
|
],
|
|
'literalConcatCreatesLiteral' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @param literal-string $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, string $s2): string {
|
|
return $s1 . $s2;
|
|
}',
|
|
],
|
|
'literalConcatCreatesLiteral2' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1): string {
|
|
return $s1 . 2;
|
|
}',
|
|
],
|
|
'encapsedStringIncludingLiterals' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @param literal-string $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, string $s2): string {
|
|
return "Hello $s1 $s2";
|
|
}',
|
|
],
|
|
'encapsedStringIncludingLiterals2' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1): string {
|
|
$s2 = 2;
|
|
return "Hello $s1 $s2";
|
|
}',
|
|
],
|
|
'encapsedStringIsInferredAsLiteral' => [
|
|
'code' => '<?php
|
|
$int = 1;
|
|
$float = 2.3;
|
|
$string = "foobar";
|
|
$interpolated = "{$int}{$float}{$string}";
|
|
',
|
|
'assertions' => ['$interpolated===' => "'12.3foobar'"],
|
|
],
|
|
'concatenatedStringIsInferredAsLiteral' => [
|
|
'code' => '<?php
|
|
$int = 1;
|
|
$float = 2.3;
|
|
$string = "foobar";
|
|
$concatenated = $int . $float . $string;
|
|
',
|
|
'assertions' => ['$concatenated===' => "'12.3foobar'"],
|
|
],
|
|
'encapsedNonEmptyNonSpecificLiteralString' => [
|
|
'code' => '<?php
|
|
/** @var non-empty-literal-string */
|
|
$string = "foobar";
|
|
$interpolated = "$string";
|
|
',
|
|
'assertions' => ['$interpolated===' => 'non-empty-literal-string'],
|
|
],
|
|
'concatenatedNonEmptyNonSpecificLiteralString' => [
|
|
'code' => '<?php
|
|
/** @var non-empty-literal-string */
|
|
$string = "foobar";
|
|
$concatenated = $string . "";
|
|
',
|
|
'assertions' => ['$concatenated===' => 'non-empty-literal-string'],
|
|
],
|
|
'encapsedPossiblyEmptyLiteralString' => [
|
|
'code' => '<?php
|
|
/** @var "foo"|"" */
|
|
$foo = "";
|
|
/** @var "bar"|"" */
|
|
$bar = "";
|
|
$interpolated = "{$foo}{$bar}";
|
|
',
|
|
'assertions' => ['$interpolated===' => 'literal-string'],
|
|
],
|
|
'literalIntConcatCreatesLiteral' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-string $s1
|
|
* @param literal-int $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, int $s2): string {
|
|
return $s1 . $s2;
|
|
}',
|
|
],
|
|
'literalIntConcatCreatesLiteral2' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-int $s1
|
|
* @return literal-string
|
|
*/
|
|
function foo(int $s1): string {
|
|
return "foo" . $s1;
|
|
}',
|
|
],
|
|
'numericWithInt' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-int $s1
|
|
* @param literal-int $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(int $s1, int $s2): string {
|
|
return "Hello $s1 $s2";
|
|
}',
|
|
],
|
|
'encapsedStringWithIntIncludingLiterals2' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-int $s1
|
|
* @return literal-string
|
|
*/
|
|
function foo(int $s1): string {
|
|
$s2 = "foo";
|
|
return "Hello $s1 $s2";
|
|
}',
|
|
],
|
|
'NumericStringIncrement' => [
|
|
'code' => '<?php
|
|
function scope(array $a): int|float {
|
|
$offset = array_search("foo", $a);
|
|
if(is_numeric($offset)){
|
|
return $offset++;
|
|
}
|
|
else{
|
|
return 0;
|
|
}
|
|
}',
|
|
'assertions' => [],
|
|
'ignored_issues' => [],
|
|
'php_version' => '8.0',
|
|
],
|
|
'NumericStringIncrementLiteral' => [
|
|
'code' => '<?php
|
|
$a = "123";
|
|
$b = "123";
|
|
$a++;
|
|
++$b;
|
|
',
|
|
'assertions' => [
|
|
'$a' => 'float|int',
|
|
'$b' => 'float|int',
|
|
],
|
|
],
|
|
'coalesceFilterOutNullEvenWithTernary' => [
|
|
'code' => '<?php
|
|
|
|
interface FooInterface
|
|
{
|
|
public function toString(): ?string;
|
|
}
|
|
|
|
function example(object $foo): string
|
|
{
|
|
return ($foo instanceof FooInterface ? $foo->toString() : null) ?? "Not a stringable foo";
|
|
}',
|
|
],
|
|
'handleLiteralInequalityWithInts' => [
|
|
'code' => '<?php
|
|
|
|
/**
|
|
* @param int<0, max> $i
|
|
* @return int<1, max>
|
|
*/
|
|
function toPositiveInt(int $i): int
|
|
{
|
|
if ($i !== 0) {
|
|
return $i;
|
|
}
|
|
return 1;
|
|
}',
|
|
],
|
|
'calculateLiteralResultForFloats' => [
|
|
'code' => '<?php
|
|
$foo = 1.0 + 2.0;
|
|
',
|
|
'assertions' => ['$foo===' => 'float(3)'],
|
|
],
|
|
'concatNonEmptyReturnNonFalsyString' => [
|
|
'code' => '<?php
|
|
/** @var non-empty-string $s1 */
|
|
$s1 = "0";
|
|
/** @var non-empty-string $s1 */
|
|
$s2 = "0";
|
|
|
|
$a = $s1.$s2;',
|
|
'assertions' => [
|
|
'$a===' => 'non-falsy-string',
|
|
],
|
|
],
|
|
'concatNumericWithNonEmptyReturnNonFalsyString' => [
|
|
'code' => '<?php
|
|
/** @var numeric-string $s1 */
|
|
$s1 = "1";
|
|
/** @var non-empty-string $s2 */
|
|
$s2 = "0";
|
|
|
|
$a = $s1.$s2;
|
|
$b = $s2.$s1;',
|
|
'assertions' => [
|
|
'$a===' => 'non-falsy-string',
|
|
'$b===' => 'non-falsy-string',
|
|
],
|
|
],
|
|
'unaryMinusOverflows' => [
|
|
'code' => <<<'PHP'
|
|
<?php
|
|
$a = -(1 << 63);
|
|
PHP,
|
|
'assertions' => [
|
|
'$a===' => 'float(9.2233720368548E+18)',
|
|
],
|
|
],
|
|
];
|
|
}
|
|
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'badAddition' => [
|
|
'code' => '<?php
|
|
$a = "b" + 5;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'addArrayToNumber' => [
|
|
'code' => '<?php
|
|
$a = [1] + 1;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'concatenateNegativeIntRightSideIsNotNumeric' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param numeric-string $bar
|
|
* @return int
|
|
*/
|
|
function foo(string $bar): int
|
|
{
|
|
return (int) $bar;
|
|
}
|
|
|
|
foo(foo("123") . foo("-456"));
|
|
',
|
|
'error_message' => 'ArgumentTypeCoercion',
|
|
],
|
|
'additionWithClassInWeakMode' => [
|
|
'code' => '<?php
|
|
$a = "hi" + (new stdClass);',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'possiblyInvalidOperand' => [
|
|
'code' => '<?php
|
|
$b = rand(0, 1) ? [] : 4;
|
|
echo $b + 5;',
|
|
'error_message' => 'PossiblyInvalidOperand',
|
|
],
|
|
'possiblyInvalidConcat' => [
|
|
'code' => '<?php
|
|
$b = rand(0, 1) ? [] : "hello";
|
|
echo $b . "goodbye";',
|
|
'error_message' => 'PossiblyInvalidOperand',
|
|
],
|
|
'invalidGMPOperation' => [
|
|
'code' => '<?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' => [
|
|
'code' => '<?php
|
|
$a = "hello";
|
|
$a++;',
|
|
'error_message' => 'StringIncrement',
|
|
],
|
|
'falseIncrement' => [
|
|
'code' => '<?php
|
|
$a = false;
|
|
$a++;',
|
|
'error_message' => 'FalseOperand',
|
|
],
|
|
'trueIncrement' => [
|
|
'code' => '<?php
|
|
$a = true;
|
|
$a++;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'possiblyDivByZero' => [
|
|
'code' => '<?php
|
|
$a = 5 / (rand(0, 1) ? 2 : null);',
|
|
'error_message' => 'PossiblyNullOperand',
|
|
],
|
|
'invalidExponent' => [
|
|
'code' => '<?php
|
|
$a = "x" ^ 1;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'invalidBitwiseOr' => [
|
|
'code' => '<?php
|
|
$a = "x" | new stdClass;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'invalidBitwiseNot' => [
|
|
'code' => '<?php
|
|
$a = ~new stdClass;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'possiblyInvalidBitwiseNot' => [
|
|
'code' => '<?php
|
|
$a = ~(rand(0, 1) ? 2 : null);',
|
|
'error_message' => 'PossiblyInvalidOperand',
|
|
],
|
|
'invalidBooleanBitwiseNot' => [
|
|
'code' => '<?php
|
|
$a = ~true;',
|
|
'error_message' => 'InvalidOperand',
|
|
],
|
|
'substrImpossible' => [
|
|
'code' => '<?php
|
|
class HelloWorld
|
|
{
|
|
public function sayHello(string $s): void
|
|
{
|
|
if (substr($s, 0, 6) === "abc") {}
|
|
}
|
|
}',
|
|
'error_message' => 'TypeDoesNotContainType',
|
|
],
|
|
'literalConcatWithStringCreatesString' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-string $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, string $s2): string {
|
|
return $s1 . $s2;
|
|
}',
|
|
'error_message' => 'LessSpecificReturnStatement',
|
|
],
|
|
'encapsedConcatWithStringCreatesString' => [
|
|
'code' => '<?php
|
|
/**
|
|
* @param literal-string $s2
|
|
* @return literal-string
|
|
*/
|
|
function foo(string $s1, string $s2): string {
|
|
return "hello $s1 $s2";
|
|
}',
|
|
'error_message' => 'LessSpecificReturnStatement',
|
|
],
|
|
];
|
|
}
|
|
}
|