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toStringSignedAsFixed tests

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This commit is contained in:
Vadim 2023-11-01 11:33:18 +01:00
parent 1ee87aff39
commit ec6b37dfe0
3 changed files with 18 additions and 11 deletions
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2
lib/screens/metering/components/camera_container/components/camera_controls/components/exposure_offset_slider/widget_slider_exposure_offset.dart
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@ -72,7 +72,7 @@ class _Ruler extends StatelessWidget {
children: [
if (showValue)
Text(
(index + min).toStringSigned(),
(index + min).toStringSignedAsFixed(0),
style: Theme.of(context).textTheme.bodyLarge,
),
const SizedBox(width: Dimens.grid8),

11
lib/utils/to_string_signed.dart
View file

@ -1,13 +1,4 @@
extension SignedString on num {
String toStringSigned() {
if (this > 0) {
return "+${toString()}";
} else {
return toString();
}
}
}
/// Returns value in form -1 or + 1. The only exception - 0.
extension SignedStringDouble on double {
String toStringSignedAsFixed(int fractionDigits) {
if (this > 0) {

16
test/utils/to_string_signed_test.dart Normal file
View file

@ -0,0 +1,16 @@
import 'package:flutter_test/flutter_test.dart';
import 'package:lightmeter/utils/to_string_signed.dart';
void main() {
test('toStringSignedAsFixed(0)', () {
expect(1.5.toStringSignedAsFixed(0), '+2');
expect((-1.5).toStringSignedAsFixed(0), '-2');
expect(0.0.toStringSignedAsFixed(0), '0');
});
test('toStringSignedAsFixed(1)', () {
expect(1.5.toStringSignedAsFixed(1), '+1.5');
expect((-1.5).toStringSignedAsFixed(1), '-1.5');
expect(0.0.toStringSignedAsFixed(1), '0.0');
});
}