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458 lines
14 KiB
PHP
458 lines
14 KiB
PHP
<?php
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namespace Psalm\Tests;
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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 Traits\InvalidCodeAnalysisTestTrait;
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use Traits\ValidCodeAnalysisTestTrait;
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/**
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* @return void
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*/
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public function testGMPOperations()
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{
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if (class_exists('GMP') === false) {
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$this->markTestSkipped('Cannot run test, base class "GMP" does not exist!');
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return;
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}
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$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 \Psalm\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 = \Psalm\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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$this->expectException(\Psalm\Exception\CodeException::class);
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$this->expectExceptionMessage('RedundantIdentityWithTrue');
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$this->analyzeFile('somefile.php', new \Psalm\Context());
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}
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/**
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* @return iterable<string,array{string,assertions?:array<string,string>,error_levels?:string[]}>
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*/
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public function providerValidCodeParse(): iterable
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{
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return [
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'regularAddition' => [
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'<?php
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$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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'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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'$f' => 'string',
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],
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],
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'booleanXor' => [
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'<?php
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$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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'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 <=> $b);
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}'
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]
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];
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}
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/**
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* @return iterable<string,array{string,error_message:string,2?:string[],3?:bool,4?:string}>
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*/
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public function providerInvalidCodeParse(): iterable
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{
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return [
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'badAddition' => [
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'<?php
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$a = "b" + 5;',
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'error_message' => 'InvalidOperand',
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],
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'differingNumericTypesAdditionInStrictMode' => [
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'<?php
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$a = 5 + 4.1;',
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'error_message' => 'InvalidOperand',
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'error_levels' => [],
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'strict_mode' => true,
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],
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'concatenationWithNumberInStrictMode' => [
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'<?php
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$a = "hi" . 5;',
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'error_message' => 'InvalidOperand',
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'error_levels' => [],
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'strict_mode' => true,
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],
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'addArrayToNumber' => [
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'<?php
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$a = [1] + 1;',
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'error_message' => 'InvalidOperand',
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'error_levels' => [],
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'strict_mode' => true,
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],
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'additionWithClassInWeakMode' => [
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'<?php
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$a = "hi" + (new stdClass);',
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'error_message' => 'InvalidOperand',
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],
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'possiblyInvalidOperand' => [
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'<?php
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$b = rand(0, 1) ? [] : 4;
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echo $b + 5;',
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'error_message' => 'PossiblyInvalidOperand',
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],
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'possiblyInvalidConcat' => [
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'<?php
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$b = rand(0, 1) ? [] : "hello";
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echo $b . "goodbye";',
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'error_message' => 'PossiblyInvalidOperand',
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],
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'invalidGMPOperation' => [
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'<?php
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$a = gmp_init(2);
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$b = "a" + $a;',
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'error_message' => 'InvalidOperand - src' . DIRECTORY_SEPARATOR . 'somefile.php:3:26 - Cannot add GMP to non-numeric type',
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],
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'stringIncrement' => [
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'<?php
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$a = "hello";
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$a++;',
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'error_message' => 'StringIncrement',
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],
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'falseIncrement' => [
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'<?php
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$a = false;
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$a++;',
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'error_message' => 'FalseOperand',
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],
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'trueIncrement' => [
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'<?php
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$a = true;
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$a++;',
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'error_message' => 'InvalidOperand',
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],
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'possiblyDivByZero' => [
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'<?php
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$a = 5 / (rand(0, 1) ? 2 : null);',
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'error_message' => 'PossiblyNullOperand',
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],
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'invalidExponent' => [
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'<?php
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$a = "x" ^ 1;',
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'error_message' => 'InvalidOperand',
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],
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'invalidBitwiseOr' => [
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'<?php
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$a = "x" | new stdClass;',
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'error_message' => 'InvalidOperand',
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],
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'invalidBitwiseNot' => [
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'<?php
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$a = ~new stdClass;',
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'error_message' => 'InvalidOperand',
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],
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'possiblyInvalidBitwiseNot' => [
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'<?php
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$a = ~(rand(0, 1) ? 2 : null);',
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'error_message' => 'PossiblyInvalidOperand',
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],
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'invalidBooleanBitwiseNot' => [
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'<?php
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$a = ~true;',
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'error_message' => 'InvalidOperand',
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],
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'substrImpossible' => [
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'<?php
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class HelloWorld
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{
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public function sayHello(string $s): void
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{
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if (substr($s, 0, 6) === "abc") {}
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}
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}',
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'error_message' => 'TypeDoesNotContainType',
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],
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];
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}
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}
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