mirror of
https://github.com/danog/psalm.git
synced 2024-12-12 09:19:40 +01:00
876 lines
28 KiB
PHP
876 lines
28 KiB
PHP
<?php
|
|
namespace Psalm\Tests;
|
|
|
|
use Psalm\Config;
|
|
use Psalm\Context;
|
|
use Psalm\Exception\CodeException;
|
|
use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
|
|
use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
|
|
|
|
use function class_exists;
|
|
|
|
use const DIRECTORY_SEPARATOR;
|
|
|
|
class BinaryOperationTest extends TestCase
|
|
{
|
|
use InvalidCodeAnalysisTestTrait;
|
|
use ValidCodeAnalysisTestTrait;
|
|
|
|
public function testGMPOperations(): void
|
|
{
|
|
if (class_exists('GMP') === false) {
|
|
$this->markTestSkipped('Cannot run test, base class "GMP" does not exist!');
|
|
}
|
|
|
|
$this->addFile(
|
|
'somefile.php',
|
|
'<?php
|
|
$a = gmp_init(2);
|
|
$b = gmp_init(4);
|
|
$c = $a + $b;
|
|
$d = $c + 3;
|
|
echo $d;
|
|
$f = $a / $b;
|
|
$g = $a ** $b;
|
|
$h = $a % $b;
|
|
|
|
$i = 6 + $b;
|
|
$j = 6 - $b;
|
|
$k = 6 * $b;
|
|
$l = 6 / $b;
|
|
$m = 6 ** $b;
|
|
$n = 6 % $b;
|
|
|
|
$o = $a + 6;
|
|
$p = $a - 6;
|
|
$q = $a * 6;
|
|
$r = $a / 6;
|
|
$s = $a ** 6;
|
|
$t = $a % 6;'
|
|
);
|
|
|
|
$assertions = [
|
|
'$a' => 'GMP',
|
|
'$b' => 'GMP',
|
|
'$c' => 'GMP',
|
|
'$d' => 'GMP',
|
|
'$f' => 'GMP',
|
|
'$g' => 'GMP',
|
|
'$h' => 'GMP',
|
|
'$i' => 'GMP',
|
|
'$j' => 'GMP',
|
|
'$k' => 'GMP',
|
|
'$l' => 'GMP',
|
|
'$m' => 'GMP',
|
|
'$n' => 'GMP',
|
|
'$o' => 'GMP',
|
|
'$p' => 'GMP',
|
|
'$q' => 'GMP',
|
|
'$r' => 'GMP',
|
|
'$s' => 'GMP',
|
|
'$t' => 'GMP',
|
|
];
|
|
|
|
$context = new Context();
|
|
|
|
$this->analyzeFile('somefile.php', $context);
|
|
|
|
$actual_vars = [];
|
|
foreach ($assertions as $var => $_) {
|
|
if (isset($context->vars_in_scope[$var])) {
|
|
$actual_vars[$var] = (string)$context->vars_in_scope[$var];
|
|
}
|
|
}
|
|
|
|
$this->assertSame($assertions, $actual_vars);
|
|
}
|
|
|
|
public function testStrictTrueEquivalence(): void
|
|
{
|
|
$config = Config::getInstance();
|
|
$config->strict_binary_operands = true;
|
|
|
|
$this->addFile(
|
|
'somefile.php',
|
|
'<?php
|
|
function returnsABool(): bool {
|
|
return rand(1, 2) === 1;
|
|
}
|
|
|
|
if (returnsABool() === true) {
|
|
echo "hi!";
|
|
}'
|
|
);
|
|
|
|
$this->expectException(CodeException::class);
|
|
$this->expectExceptionMessage('RedundantIdentityWithTrue');
|
|
|
|
$this->analyzeFile('somefile.php', new Context());
|
|
}
|
|
|
|
public function testStringFalseInequivalence(): void
|
|
{
|
|
$config = Config::getInstance();
|
|
$config->strict_binary_operands = true;
|
|
|
|
$this->addFile(
|
|
'somefile.php',
|
|
'<?php
|
|
function returnsABool(): bool {
|
|
return rand(1, 2) === 1;
|
|
}
|
|
|
|
if (returnsABool() !== false) {
|
|
echo "hi!";
|
|
}'
|
|
);
|
|
|
|
$this->expectException(CodeException::class);
|
|
$this->expectExceptionMessage('RedundantIdentityWithTrue');
|
|
|
|
$this->analyzeFile('somefile.php', new Context());
|
|
}
|
|
|
|
/**
|
|
* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
|
|
*/
|
|
public function providerValidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'regularAddition' => [
|
|
'<?php
|
|
$a = 5 + 4;',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
],
|
|
],
|
|
'differingNumericTypesAdditionInWeakMode' => [
|
|
'<?php
|
|
$a = 5 + 4.1;',
|
|
'assertions' => [
|
|
'$a' => 'float',
|
|
],
|
|
],
|
|
'modulo' => [
|
|
'<?php
|
|
$a = 25 % 2;
|
|
$b = 25.4 % 2;
|
|
$c = 25 % 2.5;
|
|
$d = 25.5 % 2.5;
|
|
$e = 25 % 1;',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
'$b' => 'int',
|
|
'$c' => 'int',
|
|
'$d' => 'int',
|
|
'$e' => 'int',
|
|
],
|
|
],
|
|
'numericAddition' => [
|
|
'<?php
|
|
$a = "5";
|
|
|
|
if (is_numeric($a)) {
|
|
$b = $a + 4;
|
|
}',
|
|
],
|
|
'concatenation' => [
|
|
'<?php
|
|
$a = "Hey " . "Jude,";',
|
|
],
|
|
'concatenationWithNumberInWeakMode' => [
|
|
'<?php
|
|
$a = "hi" . 5;',
|
|
],
|
|
'concatenationWithTwoLiteralInt' => [
|
|
'<?php
|
|
$a = 7 . 5;',
|
|
'assertions' => [
|
|
'$a' => 'string',//will contain "75"
|
|
]
|
|
],
|
|
'concatenationWithTwoInt' => [
|
|
'<?php
|
|
/**
|
|
* @param positive-int|0 $b
|
|
* @return numeric-string
|
|
*/
|
|
function scope(int $a, int $b): string{
|
|
return $a . $b;
|
|
}',
|
|
],
|
|
'concatenateUnion' => [
|
|
'<?php
|
|
$arr = ["foobar" => false, "foobaz" => true, "barbaz" => true];
|
|
$foo = random_int(0, 1) ? "foo" : "bar";
|
|
$foo .= "baz";
|
|
$val = $arr[$foo];
|
|
',
|
|
'assertions' => ['$val' => 'true'],
|
|
],
|
|
'concatenateLiteralIntAndString' => [
|
|
'<?php
|
|
$arr = ["foobar" => false, "foo123" => true];
|
|
$foo = "foo";
|
|
$foo .= 123;
|
|
$val = $arr[$foo];
|
|
',
|
|
'assertions' => ['$val' => 'true'],
|
|
],
|
|
'concatenateNonEmptyResultsInNonEmpty' => [
|
|
'<?php
|
|
/** @param non-empty-lowercase-string $arg */
|
|
function foobar($arg): string
|
|
{
|
|
return $arg;
|
|
}
|
|
|
|
$foo = rand(0, 1) ? "a" : "b";
|
|
$bar = rand(0, 1) ? "c" : "d";
|
|
$baz = $foo . $bar;
|
|
foobar($baz);
|
|
',
|
|
],
|
|
'concatenateEmptyWithNonemptyCast' => [
|
|
'<?php
|
|
class A
|
|
{
|
|
/** @psalm-return non-empty-lowercase-string */
|
|
public function __toString(): string
|
|
{
|
|
return "foo";
|
|
}
|
|
}
|
|
|
|
/** @param non-empty-lowercase-string $arg */
|
|
function foo($arg): string
|
|
{
|
|
return $arg;
|
|
}
|
|
|
|
$bar = new A();
|
|
foo("" . $bar);
|
|
',
|
|
],
|
|
'concatenateNegativeIntLeftSideIsNumeric' => [
|
|
'<?php
|
|
/**
|
|
* @param numeric-string $bar
|
|
* @return int
|
|
*/
|
|
function foo(string $bar): int
|
|
{
|
|
return (int) $bar;
|
|
}
|
|
|
|
foo(foo("-123") . 456);
|
|
',
|
|
],
|
|
'castToIntPreserveNarrowerIntType' => [
|
|
'<?php
|
|
/**
|
|
* @param positive-int $i
|
|
* @return positive-int
|
|
*/
|
|
function takesAnInt(int $i) {
|
|
/** @psalm-suppress RedundantCast */
|
|
return (int)$i;
|
|
}
|
|
',
|
|
],
|
|
'concatenateFloatWithInt' => [
|
|
'<?php
|
|
/**
|
|
* @param numeric-string $bar
|
|
* @return numeric-string
|
|
*/
|
|
function foo(string $bar): string
|
|
{
|
|
return $bar;
|
|
}
|
|
|
|
foo(-123.456 . 789);
|
|
',
|
|
],
|
|
'concatenateIntIsLowercase' => [
|
|
'<?php
|
|
/**
|
|
* @param non-empty-lowercase-string $bar
|
|
* @return non-empty-lowercase-string
|
|
*/
|
|
function foobar(string $bar): string
|
|
{
|
|
return $bar;
|
|
}
|
|
|
|
/** @var lowercase-string */
|
|
$foo = "abc";
|
|
/** @var int */
|
|
$bar = 123;
|
|
foobar($foo . $bar);
|
|
',
|
|
],
|
|
'possiblyInvalidAdditionOnBothSides' => [
|
|
'<?php
|
|
function foo(string $s) : int {
|
|
return strpos($s, "a") + strpos($s, "b");
|
|
}',
|
|
'assertions' => [],
|
|
'error_levels' => ['PossiblyFalseOperand'],
|
|
],
|
|
'bitwiseoperations' => [
|
|
'<?php
|
|
$a = 4 & 5;
|
|
$b = 2 | 3;
|
|
$c = 4 ^ 3;
|
|
$d = 1 << 2;
|
|
$e = 15 >> 2;
|
|
$f = "a" & "b";',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
'$b' => 'int',
|
|
'$c' => 'int',
|
|
'$d' => 'int',
|
|
'$e' => 'int',
|
|
'$f' => 'string',
|
|
],
|
|
],
|
|
'ComplexLiteralBitwise' => [
|
|
'<?php
|
|
/**
|
|
* @return 7
|
|
*/
|
|
function scope(){
|
|
return 1 | 2 | 4 | (1 & 0);
|
|
}',
|
|
],
|
|
'booleanXor' => [
|
|
'<?php
|
|
$a = 4 ^ 1;
|
|
$b = 3 ^ 1;
|
|
$c = (true xor false);
|
|
$d = (false xor false);',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
'$b' => 'int',
|
|
'$c' => 'bool',
|
|
'$d' => 'bool',
|
|
],
|
|
],
|
|
'ternaryAssignment' => [
|
|
'<?php
|
|
rand(0, 1) ? $a = 1 : $a = 2;
|
|
echo $a;',
|
|
],
|
|
'assignmentInRHS' => [
|
|
'<?php
|
|
$name = rand(0, 1) ? "hello" : null;
|
|
if ($name !== null || ($name = rand(0, 1) ? "hello" : null) !== null) {}',
|
|
],
|
|
'floatIncrement' => [
|
|
'<?php
|
|
$a = 1.1;
|
|
$a++;
|
|
$b = 1.1;
|
|
$b += 1;',
|
|
'assertions' => [
|
|
'$a' => 'float',
|
|
'$b' => 'float',
|
|
],
|
|
],
|
|
'exponent' => [
|
|
'<?php
|
|
$b = 4 ** 5;',
|
|
'assertions' => [
|
|
'$b' => 'int',
|
|
],
|
|
],
|
|
'bitwiseNot' => [
|
|
'<?php
|
|
$a = ~4;
|
|
$b = ~4.0;
|
|
$c = ~4.4;
|
|
$d = ~"a";',
|
|
'assertions' => [
|
|
'$a' => 'int',
|
|
'$b' => 'int',
|
|
'$c' => 'int',
|
|
'$d' => 'string',
|
|
],
|
|
],
|
|
'stringIncrementSuppressed' => [
|
|
'<?php
|
|
$a = "hello";
|
|
/** @psalm-suppress StringIncrement */
|
|
$a++;',
|
|
'assertions' => [
|
|
'$a' => 'string',
|
|
],
|
|
],
|
|
'stringIncrementWithCheck' => [
|
|
'<?php
|
|
/** @psalm-suppress StringIncrement */
|
|
for($a = "a"; $a != "z"; $a++){
|
|
if($a === "b"){
|
|
echo "b reached";
|
|
}
|
|
}',
|
|
'assertions' => [
|
|
'$a===' => 'non-empty-string',
|
|
],
|
|
],
|
|
'nullCoalescingAssignment' => [
|
|
'<?php
|
|
function foo(?string $s): string {
|
|
$s ??= "Hello";
|
|
return $s;
|
|
}',
|
|
'assertions' => [],
|
|
'error_levels' => [],
|
|
'7.4',
|
|
],
|
|
'nullCoalescingArrayAssignment' => [
|
|
'<?php
|
|
/**
|
|
* @param array<string> $arr
|
|
*/
|
|
function foo(array $arr) : void {
|
|
$b = [];
|
|
|
|
foreach ($arr as $a) {
|
|
$b[0] ??= $a;
|
|
}
|
|
}',
|
|
'assertions' => [],
|
|
'error_levels' => [],
|
|
'7.4',
|
|
],
|
|
'addArrays' => [
|
|
'<?php
|
|
/**
|
|
* @param array{host?:string} $opts
|
|
* @return array{host:string|int}
|
|
*/
|
|
function a(array $opts): array {
|
|
return $opts + ["host" => 5];
|
|
}'
|
|
],
|
|
'addIntToZero' => [
|
|
'<?php
|
|
$tick = 0;
|
|
|
|
test($tick + 1);
|
|
|
|
$tick++;
|
|
|
|
test($tick);
|
|
|
|
/**
|
|
* @psalm-param positive-int $tickedTimes
|
|
*/
|
|
function test(int $tickedTimes): void {}'
|
|
],
|
|
'numericPlusIntegerIsIntOrFloat' => [
|
|
'<?php
|
|
/** @param numeric-string $s */
|
|
function foo(string $s) : void {
|
|
$s = $s + 1;
|
|
if (is_int($s)) {}
|
|
}'
|
|
],
|
|
'interpolatedStringNotEmpty' => [
|
|
'<?php
|
|
/**
|
|
* @psalm-param non-empty-string $i
|
|
*/
|
|
function func($i): string
|
|
{
|
|
return $i;
|
|
}
|
|
|
|
function foo(string $a) : void {
|
|
func("asdasdasd $a");
|
|
}'
|
|
],
|
|
'spaceshipOpIsLiteralUnionType' => [
|
|
'<?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' => [
|
|
'<?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' => [
|
|
'<?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";
|
|
}',
|
|
],
|
|
'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',
|
|
],
|
|
];
|
|
}
|
|
}
|