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<?php |
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declare( strict_types = 1 ); |
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namespace WMDE\Euro\Tests\Unit; |
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use InvalidArgumentException; |
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use PHPUnit\Framework\TestCase; |
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use WMDE\Euro\Euro; |
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/** |
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* @covers \WMDE\Euro\Euro |
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* |
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* @license GPL-2.0-or-later |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class EuroTest extends TestCase { |
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/** |
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* @dataProvider unsignedIntegerProvider |
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*/ |
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public function testGetCentsReturnsConstructorArgument( int $unsignedInteger ) { |
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$amount = Euro::newFromCents( $unsignedInteger ); |
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$this->assertSame( $unsignedInteger, $amount->getEuroCents() ); |
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} |
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public function unsignedIntegerProvider() { |
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return [ |
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[ 0 ], [ 1 ], [ 2 ], [ 9 ], [ 10 ], [ 11 ], |
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[ 99 ], [ 100 ], [ 101 ], [ 999 ], [ 1000 ], [ 1001 ], |
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]; |
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} |
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public function testGivenZero_getEuroFloatReturnsZeroFloat() { |
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$amount = Euro::newFromCents( 0 ); |
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$this->assertExactFloat( 0.0, $amount->getEuroFloat() ); |
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$this->assertNotSame( 0, $amount->getEuroFloat() ); |
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} |
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private function assertExactFloat( $expected, $actual ) { |
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$this->assertIsFloat( $actual ); |
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$this->assertEquals( $expected, $actual, '', 0 ); |
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} |
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public function testGivenOneEuro_getEuroFloatReturnsOne() { |
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$amount = Euro::newFromCents( 100 ); |
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$this->assertExactFloat( 1.0, $amount->getEuroFloat() ); |
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} |
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public function testGivenOneCent_getEuroFloatReturnsPointZeroOne() { |
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$amount = Euro::newFromCents( 1 ); |
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$this->assertExactFloat( 0.01, $amount->getEuroFloat() ); |
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} |
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public function testGiven33cents_getEuroFloatReturnsPointThreeThree() { |
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$amount = Euro::newFromCents( 33 ); |
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$this->assertExactFloat( 0.33, $amount->getEuroFloat() ); |
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} |
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/** |
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* @dataProvider getEurosDataProvider |
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*/ |
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public function testGetEurosReturnsCorrectValues( int $cents, int $expectedEuros) { |
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$amount = Euro::newFromCents( $cents ); |
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$this->assertEquals( $expectedEuros, $amount->getEuros() ); |
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} |
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private function getEurosDataProvider(): array { |
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return [ |
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[ 0, 0 ], |
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[ 3, 0 ], |
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[ 102, 1 ], |
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[ 1033, 10 ], |
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]; |
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} |
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public function testGivenNegativeAmount_constructorThrowsException() { |
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$this->expectException( \InvalidArgumentException::class ); |
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Euro::newFromCents( -1 ); |
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} |
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public function testGivenZero_getEuroStringReturnsZeroString() { |
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$amount = Euro::newFromCents( 0 ); |
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$this->assertSame( '0.00', $amount->getEuroString() ); |
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} |
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public function testGivenOneEuro_getEuroStringReturnsOnePointZeroZero() { |
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$amount = Euro::newFromCents( 100 ); |
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$this->assertSame( '1.00', $amount->getEuroString() ); |
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} |
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public function testGivenTwoEuros_getEuroStringReturnsTwoPointZeroZero() { |
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$amount = Euro::newFromCents( 200 ); |
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$this->assertSame( '2.00', $amount->getEuroString() ); |
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} |
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public function testGivenOneCent_getEuroStringReturnsZeroPointZeroOne() { |
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$amount = Euro::newFromCents( 1 ); |
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$this->assertSame( '0.01', $amount->getEuroString() ); |
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} |
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public function testGivenTenCents_getEuroStringReturnsZeroPointOneZero() { |
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$amount = Euro::newFromCents( 10 ); |
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$this->assertSame( '0.10', $amount->getEuroString() ); |
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} |
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public function testGiven1234Cents_getEuroStringReturns12euro34() { |
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$amount = Euro::newFromCents( 1234 ); |
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$this->assertSame( '12.34', $amount->getEuroString() ); |
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} |
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public function testGiven9876Cents_stringCastingReturns98euro76() { |
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$amount = Euro::newFromCents( 9876 ); |
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$this->assertSame( '98.76', (string)$amount ); |
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} |
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public function testGivenEuroAmount_jsonEncodeWillEncodeProperly() { |
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$amount = Euro::newFromCents( 9876 ); |
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$this->assertSame( '"98.76"', json_encode( $amount ) ); |
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} |
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public function testOneEuroString_getsTurnedInto100cents() { |
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$this->assertSame( 100, Euro::newFromString( '1.00' )->getEuroCents() ); |
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} |
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public function testOneCentString_getsTurnedInto1cents() { |
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$this->assertSame( 1, Euro::newFromString( '0.01' )->getEuroCents() ); |
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} |
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public function testTenCentString_getsTurnedInto10cents() { |
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$this->assertSame( 10, Euro::newFromString( '0.10' )->getEuroCents() ); |
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} |
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public function testShortTenCentString_getsTurnedInto10cents() { |
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$this->assertSame( 10, Euro::newFromString( '0.1' )->getEuroCents() ); |
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} |
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public function testShortOneEuroString_getsTurnedInto100cents() { |
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$this->assertSame( 100, Euro::newFromString( '1' )->getEuroCents() ); |
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} |
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public function testOneDecimalOneEuroString_getsTurnedInto100cents() { |
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$this->assertSame( 100, Euro::newFromString( '1.0' )->getEuroCents() ); |
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} |
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public function testMultiDecimalOneEuroString_getsTurnedInto100cents() { |
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$this->assertSame( 100, Euro::newFromString( '1.00000' )->getEuroCents() ); |
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} |
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public function testHandlingOfLargeEuroString() { |
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$this->assertSame( 3133742, Euro::newFromString( '31337.42' )->getEuroCents() ); |
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} |
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public function testEuroStringThatCausedRoundingError_doesNotCauseRoundingError() { |
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// Regression test for https://phabricator.wikimedia.org/T183481 |
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$this->assertSame( 870, Euro::newFromString( '8.70' )->getEuroCents() ); |
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$this->assertSame( 920, Euro::newFromString( '9.20' )->getEuroCents() ); |
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} |
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public function testEuroStringWithRoundingError_getsRoundedAppropriately() { |
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$this->assertSame( 101, Euro::newFromString( '1.0100000001' )->getEuroCents() ); |
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$this->assertSame( 101, Euro::newFromString( '1.010000009999' )->getEuroCents() ); |
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$this->assertSame( 101, Euro::newFromString( '1.011' )->getEuroCents() ); |
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$this->assertSame( 101, Euro::newFromString( '1.014' )->getEuroCents() ); |
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$this->assertSame( 101, Euro::newFromString( '1.0149' )->getEuroCents() ); |
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$this->assertSame( 102, Euro::newFromString( '1.015' )->getEuroCents() ); |
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$this->assertSame( 102, Euro::newFromString( '1.019' )->getEuroCents() ); |
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$this->assertSame( 102, Euro::newFromString( '1.0199999' )->getEuroCents() ); |
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$this->assertSame( 870, Euro::newFromString( '8.701' )->getEuroCents() ); |
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$this->assertSame( 870, Euro::newFromString( '8.70499' )->getEuroCents() ); |
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$this->assertSame( 871, Euro::newFromString( '8.705' )->getEuroCents() ); |
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$this->assertSame( 871, Euro::newFromString( '8.705000' )->getEuroCents() ); |
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$this->assertSame( 871, Euro::newFromString( '8.705001' )->getEuroCents() ); |
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$this->assertSame( 871, Euro::newFromString( '8.709999' )->getEuroCents() ); |
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} |
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public function testGivenNegativeAmountString_exceptionIsThrown() { |
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$this->expectException( \InvalidArgumentException::class ); |
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Euro::newFromString( '-1.00' ); |
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} |
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public function testGivenStringWithComma_exceptionIsThrown() { |
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$this->expectException( \InvalidArgumentException::class ); |
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Euro::newFromString( '1,00' ); |
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} |
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public function testGivenStringWithMultipleDots_ExceptionIsThrown() { |
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$this->expectException( \InvalidArgumentException::class ); |
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Euro::newFromString( '1.0.0' ); |
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} |
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public function testGivenNonNumber_exceptionIsThrown() { |
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$this->expectException( \InvalidArgumentException::class ); |
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Euro::newFromString( '1.00abc' ); |
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} |
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public function testGivenNegativeFloatAmount_exceptionIsThrown() { |
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$this->expectException( \InvalidArgumentException::class ); |
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Euro::newFromFloat( -1.00 ); |
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} |
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public function testOneEuroFloat_getsTurnedInto100cents() { |
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$this->assertSame( 100, Euro::newFromFloat( 1.0 )->getEuroCents() ); |
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} |
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public function testOneCentFloat_getsTurnedInto1cent() { |
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$this->assertSame( 1, Euro::newFromFloat( 0.01 )->getEuroCents() ); |
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} |
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public function testTenCentFloat_getsTurnedInto10cents() { |
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$this->assertSame( 10, Euro::newFromFloat( 0.1 )->getEuroCents() ); |
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} |
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public function testHandlingOfLargeEuroFloat() { |
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$this->assertSame( 3133742, Euro::newFromFloat( 31337.42 )->getEuroCents() ); |
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} |
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public function testFloatWithRoundingError_getsRoundedAppropriately() { |
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$this->assertSame( 101, Euro::newFromFloat( 1.0100000001 )->getEuroCents() ); |
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$this->assertSame( 101, Euro::newFromFloat( 1.010000009999 )->getEuroCents() ); |
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$this->assertSame( 101, Euro::newFromFloat( 1.011 )->getEuroCents() ); |
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$this->assertSame( 101, Euro::newFromFloat( 1.014 )->getEuroCents() ); |
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$this->assertSame( 101, Euro::newFromFloat( 1.0149 )->getEuroCents() ); |
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$this->assertSame( 102, Euro::newFromFloat( 1.015 )->getEuroCents() ); |
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$this->assertSame( 102, Euro::newFromFloat( 1.019 )->getEuroCents() ); |
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$this->assertSame( 102, Euro::newFromFloat( 1.0199999 )->getEuroCents() ); |
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$this->assertSame( 870, Euro::newFromFloat( 8.70 )->getEuroCents() ); |
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} |
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public function testZeroEuroIntegers_isZeroCents() { |
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$this->assertSame( 0, Euro::newFromInt( 0 )->getEuroCents() ); |
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} |
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public function testOneEuroIntegers_is100Cents() { |
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$this->assertSame( 100, Euro::newFromInt( 1 )->getEuroCents() ); |
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} |
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// phpcs:ignore MediaWiki.NamingConventions.LowerCamelFunctionsName.FunctionName |
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public function test1337EuroIntegers_is133700Cents() { |
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$this->assertSame( 133700, Euro::newFromInt( 1337 )->getEuroCents() ); |
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} |
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public function testGivenNegativeIntegerAmount_exceptionIsThrown() { |
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$this->expectException( \InvalidArgumentException::class ); |
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Euro::newFromInt( -1 ); |
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} |
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/** |
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* @dataProvider euroProvider |
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* @param Euro $euro |
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*/ |
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public function testEuroEqualsItself( Euro $euro ) { |
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$this->assertTrue( $euro->equals( clone $euro ) ); |
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} |
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255
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256
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public function euroProvider() { |
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return [ |
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[ Euro::newFromCents( 0 ) ], |
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[ Euro::newFromCents( 1 ) ], |
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[ Euro::newFromCents( 99 ) ], |
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[ Euro::newFromCents( 100 ) ], |
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[ Euro::newFromCents( 9999 ) ], |
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]; |
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} |
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public function testOneCentDoesNotEqualOneEuro() { |
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$this->assertFalse( Euro::newFromCents( 1 )->equals( Euro::newFromInt( 1 ) ) ); |
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} |
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public function testOneCentDoesNotEqualTwoCents() { |
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$this->assertFalse( Euro::newFromCents( 1 )->equals( Euro::newFromCents( 2 ) ) ); |
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} |
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public function testOneCentDoesNotEqualOneEuroAndOneCent() { |
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$this->assertFalse( Euro::newFromCents( 1 )->equals( Euro::newFromCents( 101 ) ) ); |
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} |
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public function test9001centsDoesNotEqual9000cents() { |
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$this->assertFalse( Euro::newFromCents( 9001 )->equals( Euro::newFromCents( 9000 ) ) ); |
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} |
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/** |
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* @dataProvider tooLongStringProvider |
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284
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*/ |
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285
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public function testNewFromStringThrowsExceptionWhenStringIsTooLong( string $string ) { |
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286
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$this->expectException( InvalidArgumentException::class ); |
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$this->expectExceptionMessage( 'Number is too big' ); |
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288
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289
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Euro::newFromString( $string ); |
|
290
|
|
|
} |
|
291
|
|
|
|
|
292
|
|
|
public function tooLongStringProvider() { |
|
293
|
|
|
yield [ '1111111111111111111111111111111' ]; |
|
294
|
|
|
yield [ (string)PHP_INT_MAX ]; |
|
295
|
|
|
yield [ substr( (string)PHP_INT_MAX, 0, -2 ) ]; |
|
296
|
|
|
} |
|
297
|
|
|
|
|
298
|
|
|
public function testNewFromStringHandlesLongStrings() { |
|
299
|
|
|
Euro::newFromString( substr( (string)PHP_INT_MAX, 0, -3 ) ); |
|
300
|
|
|
$this->assertTrue( true ); |
|
301
|
|
|
} |
|
302
|
|
|
|
|
303
|
|
|
/** |
|
304
|
|
|
* @dataProvider tooHighNumberProvider |
|
305
|
|
|
*/ |
|
306
|
|
|
public function testNewFromIntThrowsExceptionWhenIntegerIsTooHigh( int $int ) { |
|
307
|
|
|
$this->expectException( InvalidArgumentException::class ); |
|
308
|
|
|
$this->expectExceptionMessage( 'Number is too big' ); |
|
309
|
|
|
Euro::newFromInt( $int ); |
|
310
|
|
|
} |
|
311
|
|
|
|
|
312
|
|
|
public function tooHighNumberProvider() { |
|
313
|
|
|
yield [ PHP_INT_MAX ]; |
|
314
|
|
|
yield [ (int)floor( PHP_INT_MAX / 10 ) ]; |
|
315
|
|
|
yield [ (int)floor( PHP_INT_MAX / 100 ) ]; |
|
316
|
|
|
} |
|
317
|
|
|
|
|
318
|
|
|
/** |
|
319
|
|
|
* @dataProvider tooHighNumberProvider |
|
320
|
|
|
*/ |
|
321
|
|
|
public function testNewFromFloatThrowsExceptionWhenFloatIsTooHigh( int $int ) { |
|
322
|
|
|
$this->expectException( InvalidArgumentException::class ); |
|
323
|
|
|
$this->expectExceptionMessage( 'Number is too big' ); |
|
324
|
|
|
Euro::newFromFloat( (float)$int ); |
|
325
|
|
|
} |
|
326
|
|
|
|
|
327
|
|
|
public function testNewFromIntHandlesBigIntegers() { |
|
328
|
|
|
// Edge case test for the highest allowed value (Euro::CENTS_PER_EURO +1 ) |
|
329
|
|
|
// 100 (Euro::CENTS_PER_EURO) does not work due to rounding |
|
330
|
|
|
$number = (int)floor( PHP_INT_MAX / 101 ); |
|
331
|
|
|
|
|
332
|
|
|
$this->assertSame( |
|
333
|
|
|
$number * 100, |
|
334
|
|
|
Euro::newFromInt( $number )->getEuroCents() |
|
335
|
|
|
); |
|
336
|
|
|
} |
|
337
|
|
|
|
|
338
|
|
|
} |
|
339
|
|
|
|
wmde /
Euro
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This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.