bug #35781 [Form] NumberToLocalizedStringTransformer return int if sc…

…ale = 0 (VincentLanglet)

This PR was merged into the 3.4 branch.

Discussion
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[Form] NumberToLocalizedStringTransformer return int if scale = 0

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #35775
| License       | MIT
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Commits
-------

2993fc9 Return int if scale = 0

src/Symfony/Component/Form/Extension/Core/DataTransformer/NumberToLocalizedStringTransformer.php

@@ -282,7 +282,7 @@ private function round($number)
                     break;
             }
 
-            $number /= $roundingCoef;
+            $number = 1 === $roundingCoef ? (int) $number : $number / $roundingCoef;
         }
 
         return $number;

src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/NumberToLocalizedStringTransformerTest.php

@@ -370,7 +370,7 @@ public function testReverseTransformWithRounding($scale, $input, $output, $round
     {
         $transformer = new NumberToLocalizedStringTransformer($scale, null, $roundingMode);
 
-        $this->assertEquals($output, $transformer->reverseTransform($input));
+        $this->assertSame($output, $transformer->reverseTransform($input));
     }
 
     public function testReverseTransformDoesNotRoundIfNoScale()