Fixing and adding tests for setting places and precision in Number::currency()

Author: lorenzo

src/Utility/Number.php

@@ -315,15 +315,23 @@ public static function currency($value, $currency = null, array $options = array
 		}
 
 		$formatter = static::$_currencyFormatters[$locale];
+
+		if (isset($options['places'])) {
+			$formatter->setAttribute(NumberFormatter::MIN_FRACTION_DIGITS, $options['places']);
+		}
+
+		if (isset($options['precision'])) {
+			$formatter->setAttribute(NumberFormatter::MAX_FRACTION_DIGITS, $options['precision']);
+		}
+
 		if (!empty($options['pattern'])) {
 			$formatter->setPattern($options['pattern']);
 		}
 
 		if (!empty($options['fractionSymbol']) && $value > 0 && $value < 1) {
-			$places = isset($options['places']) ? $options['places'] : 2;
-			$value = $value * pow(10, $places);
+			$value = $value * 100;
 			$pos = isset($options['fractionPosition']) ? $options['fractionPosition'] : 'after';
-			return static::format($value, ['places' => 0, $pos => $options['fractionSymbol']]);
+			return static::format($value, ['precision' => 0, $pos => $options['fractionSymbol']]);
 		}
 
 		$before = isset($options['before']) ? $options['before'] : null;

tests/TestCase/Utility/NumberTest.php

@@ -243,30 +243,20 @@ public function testCurrency() {
  * @return void
  */
 	public function testCurrencyWithFractionAndPlaces() {
-		$result = $this->Number->currency('1.23', 'GBP', array('places' => 3));
-		$expected = '£1.230';
+		$result = $this->Number->currency('1.23', 'EUR', ['locale' => 'de_DE', 'places' => 3]);
+		$expected = '1,230 €';
 		$this->assertEquals($expected, $result);
 
-		$result = $this->Number->currency('0.23', 'GBP', array('places' => 3));
+		$result = $this->Number->currency('0.23', 'GBP', ['places' => 3, 'fractionSymbol' => 'p']);
 		$expected = '23p';
 		$this->assertEquals($expected, $result);
 
-		$result = $this->Number->currency('0.001', 'GBP', array('places' => 3));
+		$result = $this->Number->currency('0.001', 'GBP', ['places' => 3, 'fractionSymbol' => 'p']);
 		$expected = '0p';
 		$this->assertEquals($expected, $result);
 
-		$this->Number->addFormat('BHD', array('before' => 'BD ', 'fractionSymbol' => ' fils',
-			'fractionExponent' => 3));
-		$result = $this->Number->currency('1.234', 'BHD', array('places' => 2));
-		$expected = 'BD 1.23';
-		$this->assertEquals($expected, $result);
-
-		$result = $this->Number->currency('0.234', 'BHD', array('places' => 2));
-		$expected = '234 fils';
-		$this->assertEquals($expected, $result);
-
-		$result = $this->Number->currency('0.001', 'BHD', array('places' => 2));
-		$expected = '1 fils';
+		$result = $this->Number->currency('1.23', 'EUR', ['locale' => 'de_DE', 'precision' => 1]);
+		$expected = '1,2 €';
 		$this->assertEquals($expected, $result);
 	}