Added tests for parsing of numbers in e-notation in NumberToLocalizedStringTransformerTest

jbtronics · jbtronics · commit 4eeeb4ccc43e · 2024-07-29T22:25:15.000+02:00
This is also a regression test, to ensure that numbers in exponential notation are parsed correctly even if they dont contain a decimal separator.
diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/NumberToLocalizedStringTransformerTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/NumberToLocalizedStringTransformerTest.php
@@ -632,4 +632,31 @@ public function testReverseTransformSmallInt()
 
         $this->assertSame(1.0, $transformer->reverseTransform('1'));
     }
+
+    public static function eNotationProvider()
+    {
+        return [
+            [0.001, "1E-3"],
+            [0.001, "1.0E-3"],
+            [0.001, "1e-3"],
+            [0.001, "1.0e-03"],
+            [1000.0, "1E3"],
+            [1000.0, "1.0E3"],
+            [1000.0, "1e3"],
+            [1000.0, "1.0e3"],
+            [1232.0, "1.232e3"]
+        ];
+    }
+
+    /**
+     * @dataProvider eNotationProvider
+     */
+    public function testReverseTransformENotation($output, $input)
+    {
+        \Locale::setDefault('en');
+
+        $transformer = new NumberToLocalizedStringTransformer();
+
+        $this->assertSame($output, $transformer->reverseTransform($input));
+    }
 }
