mirror of
https://github.com/danog/psalm.git
synced 2024-11-27 04:45:20 +01:00
668 lines
22 KiB
PHP
668 lines
22 KiB
PHP
<?php
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namespace Psalm\Tests;
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class IntRangeTest 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 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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'intRangeContained' => [
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'<?php
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/**
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* @param int<1,12> $a
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* @return int<-1, max>
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*/
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function scope(int $a){
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return $a;
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}',
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],
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'positiveIntRange' => [
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'<?php
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/**
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* @param int<1,12> $a
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* @return positive-int
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*/
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function scope(int $a){
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return $a;
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}',
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],
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'intRangeToInt' => [
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'<?php
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/**
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* @param int<1,12> $a
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* @return int
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*/
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function scope(int $a){
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return $a;
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}',
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],
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'intReduced' => [
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'<?php
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function getInt(): int{return 0;}
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$a = $b = $c = getInt();
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assert($a >= 500);
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assert($a < 5000);
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assert($b >= -5000);
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assert($b < -501);
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assert(-60 > $c);
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assert(-500 < $c);',
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'assertions' => [
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'$a===' => 'int<500, 4999>',
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'$b===' => 'int<-5000, -502>',
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'$c===' => 'int<-499, -61>',
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]
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],
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'complexAssertions' => [
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'<?php
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function getInt(): int{return 0;}
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$a = getInt();
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assert($a >= 495 + 5);
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$b = 5000;
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assert($a < $b);
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',
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'assertions' => [
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'$a===' => 'int<500, 4999>',
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]
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],
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'negatedAssertions' => [
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'<?php
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function getInt(): int{return 0;}
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$a = $b = $c = $d = $e = $f = $g = $h = $i = $j = $k = $l = $m = $n = $o = $p = getInt();
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//>
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if($a > 10){
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die();
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}
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if($b > -10){
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die();
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}
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//<
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if($c < 500){
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die();
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}
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if($d < -500){
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die();
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}
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//>=
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if($e >= 10){
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die();
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}
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if($f >= -10){
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die();
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}
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//<=
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if($g <= 500){
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die();
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}
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if($h <= -500){
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die();
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}
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//>
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if(10 > $i){
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die();
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}
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if(-10 > $j){
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die();
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}
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//<
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if(500 < $k){
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die();
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}
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if(-500 < $l){
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die();
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}
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//>=
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if(10 >= $m){
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die();
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}
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if(-10 >= $n){
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die();
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}
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//<=
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if(500 <= $o){
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die();
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}
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if(-500 <= $p){
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die();
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}
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//inverse
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',
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'assertions' => [
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'$a===' => 'int<min, 10>',
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'$b===' => 'int<min, -10>',
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'$c===' => 'int<500, max>',
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'$d===' => 'int<-500, max>',
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'$e===' => 'int<min, 9>',
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'$f===' => 'int<min, -11>',
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'$g===' => 'int<501, max>',
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'$h===' => 'int<-499, max>',
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'$i===' => 'int<10, max>',
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'$j===' => 'int<-10, max>',
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'$k===' => 'int<min, 500>',
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'$l===' => 'int<min, -500>',
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'$m===' => 'int<11, max>',
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'$n===' => 'int<-9, max>',
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'$o===' => 'int<min, 499>',
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'$p===' => 'int<min, -501>',
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]
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],
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'intOperations' => [
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'<?php
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function getInt(): int{return 0;}
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$a = getInt();
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assert($a >= 500);
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assert($a < 5000);
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$b = $a % 10;
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$c = $a ** 2;
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$d = $a - 5;
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$e = $a * 1;',
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'assertions' => [
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'$b===' => 'int<0, 9>',
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'$c===' => 'int<1, max>',
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'$d===' => 'int<495, 4994>',
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'$e===' => 'int<500, 4999>'
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]
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],
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'mod' => [
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'<?php
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function getInt(): int{return 0;}
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$a = $b = $c = $d = getInt();
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assert($a >= 20);//positive range
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assert($b <= -20);//negative range
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/** @var int<0, 0> $c */; // 0 range
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assert($d >= -100);// mixed range
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assert($d <= 100);// mixed range
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/** @var int<5, 5> $e */; // 5 range
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$f = $a % $e;
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$g = $b % $e;
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$h = $d % $e;
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$i = -3 % $a;
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$j = -3 % $b;
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$k = -3 % $c;
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$l = -3 % $d;
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$m = 3 % $a;
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$n = 3 % $b;
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$o = 3 % $c;
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$p = 3 % $d;
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$q = $a % 0;
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$r = $a % 3;
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$s = $a % -3;
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$t = $b % 0;
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$u = $b % 3;
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$v = $b % -3;
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$w = $c % 0;
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$x = $c % 3;
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$y = $c % -3;
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$z = $d % 0;
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$aa = $d % 3;
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$ab = $d % -3;
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',
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'assertions' => [
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'$f===' => 'int<0, 4>',
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'$g===' => 'int<-4, 0>',
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'$h===' => 'int<-4, 4>',
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'$i===' => 'int<min, 0>',
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'$j===' => 'int<min, 0>',
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'$k===' => 'empty',
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'$l===' => 'int',
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'$m===' => 'int<0, max>',
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'$n===' => 'int<min, 0>',
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'$o===' => 'empty',
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'$p===' => 'int',
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'$q===' => 'empty',
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'$r===' => 'int<0, 2>',
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'$s===' => 'int<-2, 0>',
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'$t===' => 'empty',
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'$u===' => 'int<-2, 0>',
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'$v===' => 'int<2, 0>',
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'$w===' => 'empty',
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'$x===' => 'int<0, 2>',
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'$y===' => 'int<-2, 0>',
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'$z===' => 'empty',
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'$aa===' => 'int<-2, 2>',
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'$ab===' => 'int<-2, 2>',
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]
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],
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'pow' => [
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'<?php
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function getInt(): int{return 0;}
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$a = $b = $c = $d = getInt();
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assert($a >= 2);//positive range
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assert($b <= -2);//negative range
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/** @var int<0, 0> $c */; // 0 range
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assert($d >= -100);// mixed range
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assert($d <= 100);// mixed range
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$e = 0 ** $a;
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$f = 0 ** $b;
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$g = 0 ** $c;
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$h = 0 ** $d;
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$i = (-2) ** $a;
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$j = (-2) ** $b;
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$k = (-2) ** $c;
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$l = (-2) ** $d;
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$m = 2 ** $a;
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$n = 2 ** $b;
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$o = 2 ** $c;
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$p = 2 ** $d;
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$q = $a ** 0;
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$r = $a ** 2;
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$s = $a ** -2;
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$t = $b ** 0;
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$u = $b ** 2;
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$v = $b ** -2;
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$w = $c ** 0;
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$x = $c ** 2;
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$y = $c ** -2;
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$z = $d ** 0;
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$aa = $d ** 2;
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$ab = $d ** -2;
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',
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'assertions' => [
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'$e===' => '0',
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'$f===' => 'empty',
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'$g===' => '1',
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'$h===' => 'empty',
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'$i===' => 'int',
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'$j===' => 'float',
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'$k===' => '-1',
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'$l===' => 'float|int',
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'$m===' => 'int<1, max>',
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'$n===' => 'float',
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'$o===' => '1',
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'$p===' => 'float|int',
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'$q===' => '1',
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'$r===' => 'int<1, max>',
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'$s===' => 'float',
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'$t===' => '-1',
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'$u===' => 'int<1, max>',
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'$v===' => 'float',
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'$w===' => '1',
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'$x===' => '0',
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'$y===' => 'empty',
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'$z===' => '1',
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'$aa===' => 'int<1, max>',
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'$ab===' => 'float',
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]
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],
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'multiplications' => [
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'<?php
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function getInt(): int{return 0;}
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$a = $b = $c = $d = $e = $f = $g = $h = $i = $j = $k = $l = $m = $n = $o = $p = getInt();
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assert($b <= -2);
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assert($c <= 2);
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assert($d >= -2);
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assert($e >= 2);
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assert($f >= -2);
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assert($f <= 2);
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$g = $a * $b;
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$h = $a * $c;
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$i = $a * $d;
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$j = $a * $e;
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$k = $a * $f;
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$l = $b * $b;
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$m = $b * $c;
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$n = $b * $d;
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$o = $b * $e;
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$p = $b * $f;
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$q = $c * $c;
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$r = $c * $d;
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$s = $c * $e;
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$t = $c * $f;
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$u = $d * $d;
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$v = $d * $e;
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$w = $d * $f;
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$x = $e * $e;
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$y = $d * $f;
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$z = $f * $f;
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',
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'assertions' => [
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'$g===' => 'int',
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'$h===' => 'int',
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'$i===' => 'int',
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'$j===' => 'int',
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'$k===' => 'int',
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'$l===' => 'int<4, max>',
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'$m===' => 'int',
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'$n===' => 'int',
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'$o===' => 'int<min, -4>',
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'$p===' => 'int',
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'$q===' => 'int',
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'$r===' => 'int',
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'$s===' => 'int',
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'$t===' => 'int',
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'$u===' => 'int',
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'$v===' => 'int',
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'$w===' => 'int',
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'$x===' => 'int<4, max>',
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'$y===' => 'int',
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'$z===' => 'int<-4, 4>',
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]
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],
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'SKIPPED-intLoopPositive' => [
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'<?php
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//skipped, int range in loops not supported yet
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for($i = 0; $i < 10; $i++){
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}',
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'assertions' => [
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'$i===' => 'int<0, 9>'
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]
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],
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'SKIPPED-intLoopNegative' => [
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'<?php
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//skipped, int range in loops not supported yet
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for($i = 10; $i > 1; $i--){
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}',
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'assertions' => [
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'$i===' => 'int<2, 10>'
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]
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],
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'integrateExistingArrayPositive' => [
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'<?php
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/** @return int<5, max> */
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function getInt()
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{
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return 7;
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}
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$_arr = ["a", "b", "c"];
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$a = getInt();
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$_arr[$a] = 12;',
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'assertions' => [
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'$_arr===' => 'non-empty-array<int<0, max>, "a"|"b"|"c"|12>'
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]
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],
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'integrateExistingArrayNegative' => [
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'<?php
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/** @return int<min, -1> */
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function getInt()
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{
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return -2;
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}
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$_arr = ["a", "b", "c"];
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$a = getInt();
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$_arr[$a] = 12;',
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'assertions' => [
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'$_arr===' => 'non-empty-array<int<min, 2>, "a"|"b"|"c"|12>'
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]
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],
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'SKIPPED-statementsInLoopAffectsEverything' => [
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'<?php
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//skipped, int range in loops not supported yet
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$remainder = 1;
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for ($i = 0; $i < 5; $i++) {
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if ($remainder) {
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$remainder--;
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}
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}',
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'assertions' => [
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'$remainder===' => 'int<min, 1>'
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]
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],
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'SKIPPED-IntRangeRestrictWhenUntouched' => [
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'<?php
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//skipped, int range in loops not supported yet
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foreach ([1, 2, 3] as $i) {
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if ($i > 1) {
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takesInt($i);
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}
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}
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/** @psalm-param int<2, 3> $i */
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function takesInt(int $i): void{
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return;
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}',
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],
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'SKIPPED-wrongLoopAssertion' => [
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'<?php
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//skipped, int range in loops not supported yet
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function a(): array {
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$type_tokens = getArray();
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for ($i = 0, $l = rand(0,100); $i < $l; ++$i) {
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/** @psalm-trace $i */;
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if ($i > 0 && rand(0,1)) {
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continue;
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}
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/** @psalm-trace $i */;
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$type_tokens[$i] = "";
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/** @psalm-trace $type_tokens */;
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if($i > 1){
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$type_tokens[$i - 2];
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}
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}
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return [];
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}
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|
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/** @return array<int, string> */
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function getArray(): array{
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return [];
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}'
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],
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'IntRangeContainedInMultipleInt' => [
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'<?php
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$_arr = [];
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foreach ([0, 1] as $i) {
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$_arr[$i] = 1;
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}
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/** @var int<0,1> $j */
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$j = 0;
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echo $_arr[$j];'
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],
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'modulo' => [
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'<?php
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function getInt(): int{return 0;}
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$a = getInt();
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$b = $a % 10;
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assert($a > 0);
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$c = $a % 10;
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$d = $a % $a;',
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'assertions' => [
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'$b===' => 'int<-9, 9>',
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'$c===' => 'int<0, 9>',
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'$d===' => '0|positive-int'
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],
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],
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'minus' => [
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'<?php
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function getInt(): int{return 0;}
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$a = $b = $d = $e = getInt();
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assert($a > 5);
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assert($a <= 10);
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assert($b > -10);
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assert($b <= 100);
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$c = $a - $b;
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$f = $a - $d;
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assert($e > 0);
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$g = $a - $e;
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',
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'assertions' => [
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'$c===' => 'int<-94, 19>',
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'$f===' => 'int<min, max>',
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'$g===' => 'int<min, 9>',
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],
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],
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'bits' => [
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'<?php
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function getInt(): int{return 0;}
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$a = $b = $c = getInt();
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assert($a > 5);
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assert($b <= 6);
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$d = $a ^ $b;
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$e = $a & $b;
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$f = $a | $b;
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$g = $a << $b;
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$h = $a >> $b;
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',
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'assertions' => [
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'$d===' => 'int',
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'$e===' => 'int',
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'$f===' => 'int',
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'$g===' => 'int',
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'$h===' => 'int',
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],
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],
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'UnaryMinus' => [
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'<?php
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function getInt(): int{return 0;}
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$a = $c = $e = getInt();
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assert($a > 5);
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$b = -$a;
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assert($c > 0);
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$d = -$c;
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assert($e > 5);
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assert($e < 10);
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$f = -$e;
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',
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'assertions' => [
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'$b===' => 'int<min, -6>',
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'$d===' => 'int<min, -1>',
|
|
'$f===' => 'int<-9, -6>',
|
|
],
|
|
],
|
|
'countOnKeyedArray' => [
|
|
'<?php
|
|
$conf = [
|
|
"K",
|
|
"M",
|
|
"G",
|
|
];
|
|
$i = count($conf) - 1;
|
|
',
|
|
'assertions' => [
|
|
'$i===' => '2',
|
|
],
|
|
],
|
|
'intersections' => [
|
|
'<?php
|
|
function getInt(): int{return 0;}
|
|
$a = getInt();
|
|
/** @var int<0, 10> $a */
|
|
$b = -$a;
|
|
$c = null;
|
|
if($b === $a){
|
|
//$b and $a should intersect at 0, so $c should be 0
|
|
$c = $b;
|
|
}
|
|
',
|
|
'assertions' => [
|
|
'$c===' => 'int<0, 0>|null',
|
|
],
|
|
],
|
|
'minMax' => [
|
|
'<?php
|
|
function getInt(): int{return 0;}
|
|
$a = $b = $c = $d = $e = getInt();
|
|
assert($b > 10);
|
|
assert($c < -15);
|
|
assert($d === 20);
|
|
assert($e > 0);
|
|
$f = min($a, $b, $c, $d);
|
|
$g = min($b, $c, $d);
|
|
$h = min($d, $e);
|
|
$i = max($b, $c, $d);
|
|
$j = max($d, $e);
|
|
$k = max($e, 40);
|
|
',
|
|
'assertions' => [
|
|
'$f===' => 'int<min, -16>',
|
|
'$g===' => 'int<min, -16>',
|
|
'$h===' => 'int<1, 20>',
|
|
'$i===' => 'int<20, max>',
|
|
'$j===' => 'int<20, max>',
|
|
'$k===' => 'int<40, max>',
|
|
],
|
|
],
|
|
'dontCrashOnFalsy' => [
|
|
'<?php
|
|
|
|
function doAnalysis(): void
|
|
{
|
|
/** @var int<3, max> $shuffle_count */
|
|
$shuffle_count = 1;
|
|
|
|
/** @var list<string> $file_paths */
|
|
$file_paths = [];
|
|
|
|
/** @var int<0, max> $count */
|
|
$count = 1;
|
|
/** @var int $middle */
|
|
$middle = 1;
|
|
/** @var int<0, max> $remainder */
|
|
$remainder = 1;
|
|
|
|
|
|
for ($i = 0; $i < $shuffle_count; $i++) {
|
|
for ($j = 0; $j < $middle; $j++) {
|
|
if ($j * $shuffle_count + $i < $count) {
|
|
echo $file_paths[$j * $shuffle_count + $i];
|
|
}
|
|
}
|
|
|
|
if ($remainder) {
|
|
echo $file_paths[$middle * $shuffle_count + $remainder - 1];
|
|
$remainder--;
|
|
}
|
|
}
|
|
}',
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @return iterable<string,array{string,error_message:string,1?:string[],2?:bool,3?:string}>
|
|
*/
|
|
public function providerInvalidCodeParse(): iterable
|
|
{
|
|
return [
|
|
'intRangeNotContained' => [
|
|
'<?php
|
|
/**
|
|
* @param int<1,12> $a
|
|
* @return int<-1, 11>
|
|
* @psalm-suppress InvalidReturnStatement
|
|
*/
|
|
function scope(int $a){
|
|
return $a;
|
|
}',
|
|
'error_message' => 'InvalidReturnType',
|
|
],
|
|
];
|
|
}
|
|
}
|