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[9.x] Improve decimal shape validation #47957

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merged 2 commits into from
Aug 7, 2023
Merged

[9.x] Improve decimal shape validation #47957

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6b3d763
improve decimal shape validation
timacdonald Aug 4, 2023
16441e5
Additional tests
timacdonald Aug 4, 2023
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4 changes: 3 additions & 1 deletion src/Illuminate/Validation/Concerns/ValidatesAttributes.php
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Original file line number Diff line number Diff line change
Expand Up @@ -593,7 +593,9 @@ public function validateDecimal($attribute, $value, $parameters)

$matches = [];

preg_match('/^[+-]?\d*.(\d*)$/', $value, $matches);
if (preg_match('/^[+-]?\d*\.?(\d*)$/', $value, $matches) !== 1) {
return false;
}

$decimals = strlen(end($matches));

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44 changes: 44 additions & 0 deletions tests/Validation/ValidationValidatorTest.php
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Expand Up @@ -2860,6 +2860,50 @@ public function testValidateDecimal()

$v = new Validator($trans, ['foo' => '1.88888888888888888888'], ['foo' => 'Decimal:20|Max:1.88888888888888888888']);
$this->assertTrue($v->passes());

$v = new Validator($trans, [
// these are the same number
'decimal' => '0.555',
'scientific' => '5.55e-1',
], [
'decimal' => 'Decimal:0,2',
'scientific' => 'Decimal:0,2',
]);
$this->assertSame(['decimal', 'scientific'], $v->errors()->keys());

$v = new Validator($trans, [
// these are the same number
'decimal' => '0.555',
'scientific' => '5.55e-1',
], [
'decimal' => 'Decimal:0,3',
'scientific' => 'Decimal:0,3',
]);
$this->assertSame(['scientific'], $v->errors()->keys());

$v = new Validator($trans, ['foo' => '+'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->fails());
$v = new Validator($trans, ['foo' => '-'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->fails());
$v = new Validator($trans, ['foo' => '10@12'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->fails());

$v = new Validator($trans, ['foo' => '+123'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->passes());
$v = new Validator($trans, ['foo' => '-123'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->passes());
$v = new Validator($trans, ['foo' => '+123.'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->passes());
$v = new Validator($trans, ['foo' => '-123.'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->passes());
$v = new Validator($trans, ['foo' => '123.'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->passes());
$v = new Validator($trans, ['foo' => '123.'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->passes());
$v = new Validator($trans, ['foo' => '123.34'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->passes());
$v = new Validator($trans, ['foo' => '123.34'], ['foo' => 'Decimal:0,2']);
$this->assertTrue($v->passes());
}

public function testValidateInt()
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