QuantityValueTest::validConstructorArgumentsProvider() - Code Metrics - Inspection of "[WIP] Allow QuantityValue::upper/lowerBounds to be..." - DataValues/Number - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#55)

by no

created 2016-02-25 17:01 UTC

validConstructorArgumentsProvider() B

↳ Parent: QuantityValueTest

Complexity

Conditions	1
Paths	1

Size

Total Lines	28
Code Lines	22

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
c	2
b	0
f	0
dl	0
loc	28
rs	8.8571
cc	1
eloc	22
nc	1
nop	0

<?php

namespace DataValues\Tests;

use DataValues\DecimalValue;
use DataValues\QuantityValue;

/**
 * @covers DataValues\QuantityValue
 *
 * @group DataValue
 * @group DataValueExtensions
 *
 * @licence GNU GPL v2+
 * @author Daniel Kinzler
 */
class QuantityValueTest extends DataValueTest {

	/**
	 * @see DataValueTest::getClass
	 *
	 * @return string
	 */
	public function getClass() {
		return 'DataValues\QuantityValue';
	}

	public function validConstructorArgumentsProvider() {
		return array(
			array(
				new DecimalValue( '+42' ),
				'1',
				new DecimalValue( '+42' ),
				new DecimalValue( '+42' )
			),
			array(
				new DecimalValue( '+0.01' ),
				'1',
				new DecimalValue( '+0.02' ),
				new DecimalValue( '+0.0001' )
			),
			array(
				new DecimalValue( '-0.5' ),
				'1',
				new DecimalValue( '+0.02' ),
				new DecimalValue( '-0.7' )
			),
			array(
				new DecimalValue( '+1' ),
				'1',
				null,
				null
			),
		);
	}

	public function invalidConstructorArgumentsProvider() {
		return array(
			array(
				new DecimalValue( '+0' ),
				'',
				new DecimalValue( '+0' ),
				new DecimalValue( '+0' )
			),
			array(
				new DecimalValue( '+0' ),
				1,
				new DecimalValue( '+0' ),
				new DecimalValue( '+0' )
			),
			array(
				new DecimalValue( '+0' ),
				'1',
				new DecimalValue( '-0.001' ),
				new DecimalValue( '-1' )
			),
			array(
				new DecimalValue( '+0' ),
				'1',
				new DecimalValue( '+1' ),
				new DecimalValue( '+0.001' )
			),
			array(
				new DecimalValue( '+1' ),
				'1',
				new DecimalValue( '+1' ),
				null
			),
			array(
				new DecimalValue( '+1' ),
				'1',
				null,
				new DecimalValue( '+1' )
			),
		);
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetValue( QuantityValue $quantity, array $arguments ) {
		$this->assertInstanceOf( $this->getClass(), $quantity->getValue() );
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetAmount( QuantityValue $quantity, array $arguments ) {
		$this->assertEquals( $arguments[0], $quantity->getAmount() );
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetUnit( QuantityValue $quantity, array $arguments ) {
		$this->assertEquals( $arguments[1], $quantity->getUnit() );
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetUpperBound( QuantityValue $quantity, array $arguments ) {
		$this->assertEquals( $arguments[2], $quantity->getUpperBound() );
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetLowerBound( QuantityValue $quantity, array $arguments ) {
		$this->assertEquals( $arguments[3], $quantity->getLowerBound() );
	}

	/**
	 * @dataProvider newFromNumberProvider
	 */
	public function testNewFromNumber( $amount, $unit, $upperBound, $lowerBound, QuantityValue $expected ) {
		$quantity = QuantityValue::newFromNumber( $amount, $unit, $upperBound, $lowerBound );

		$this->assertEquals( $expected->getAmount()->getValue(), $quantity->getAmount()->getValue() );
		$this->assertEquals( $expected->getUpperBound()->getValue(), $quantity->getUpperBound()->getValue() );
		$this->assertEquals( $expected->getLowerBound()->getValue(), $quantity->getLowerBound()->getValue() );
	}

	public function newFromNumberProvider() {
		return array(
			array(
				42, '1', null, null,
				new QuantityValue( new DecimalValue( '+42' ), '1', null, null )
			),
			array(
				-0.05, '1', null, null,
				new QuantityValue( new DecimalValue( '-0.05' ), '1', null, null )
			),
			array(
				0, 'm', 0.5, -0.5,
				new QuantityValue( new DecimalValue( '+0' ), 'm', new DecimalValue( '+0.5' ), new DecimalValue( '-0.5' ) )
			),
			array(
				'+23', '1', null, null,
				new QuantityValue( new DecimalValue( '+23' ), '1', null, null )
			),
			array(
				'+42', '1', '+43', '+41',
				new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( '+43' ), new DecimalValue( '+41' ) )
			),
			array(
				'-0.05', 'm', '-0.04', '-0.06',
				new QuantityValue( new DecimalValue( '-0.05' ), 'm', new DecimalValue( '-0.04' ), new DecimalValue( '-0.06' ) )
			),
			array(
				new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ),
				new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ) )
			),
		);
	}

	/**
	 * @dataProvider instanceProvider
	 */
	public function testGetSortKey( QuantityValue $quantity ) {
		$this->assertEquals( $quantity->getAmount()->getValueFloat(), $quantity->getSortKey() );
	}

	/**
	 * @dataProvider getUncertaintyProvider
	 */
	public function testGetUncertainty( QuantityValue $quantity, $expected ) {
		$actual = $quantity->getUncertainty();

		// floats are wonkey, accept small differences here
		$this->assertTrue( abs( $actual - $expected ) < 0.000000001, "expected $expected, got $actual" );
	}

	public function getUncertaintyProvider() {
		return array(
			array( QuantityValue::newFromNumber( '+0', '1', '+0', '+0' ), 0 ),

			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), 2 ),
			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), 0.02 ),
			array( QuantityValue::newFromNumber( '+100', '1', '+101', '+99' ), 2 ),
			array( QuantityValue::newFromNumber( '+100.0', '1', '+100.1', '+99.9' ), 0.2 ),
			array( QuantityValue::newFromNumber( '+12.34', '1', '+12.35', '+12.33' ), 0.02 ),

			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), 0.8 ),
			array( QuantityValue::newFromNumber( '+7.3', '1', '+7.7', '+5.2' ), 2.5 ),
		);
	}

	/**
	 * @dataProvider getUncertaintyMarginProvider
	 */
	public function testGetUncertaintyMargin( QuantityValue $quantity, $expected ) {
		$actual = $quantity->getUncertaintyMargin();

		$this->assertEquals( $expected, $actual->getValue() );
	}

	public function getUncertaintyMarginProvider() {
		return array(
			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), '+1' ),
			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), '+0.01' ),

			array( QuantityValue::newFromNumber( '-1', '1', '-1', '-1' ), '+0' ),

			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), '+0.6' ),
			array( QuantityValue::newFromNumber( '+7.5', '1', '+7.5', '+5.5' ), '+2' ),
			array( QuantityValue::newFromNumber( '+11.5', '1', '+15', '+10.5' ), '+3.5' ),
		);
	}

	/**
	 * @dataProvider getOrderOfUncertaintyProvider
	 */
	public function testGetOrderOfUncertainty( QuantityValue $quantity, $expected ) {
		$actual = $quantity->getOrderOfUncertainty();

		$this->assertEquals( $expected, $actual );
	}

	public function getOrderOfUncertaintyProvider() {
		return array(
			0 => array( QuantityValue::newFromNumber( '+0' ), 0 ),
			1 => array( QuantityValue::newFromNumber( '-123' ), 0 ),
			2 => array( QuantityValue::newFromNumber( '-1.23' ), -2 ),

			10 => array( QuantityValue::newFromNumber( '-100', '1', '-99', '-101' ), 0 ),
			11 => array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), -2 ),
			12 => array( QuantityValue::newFromNumber( '-117.3', '1', '-117.2', '-117.4' ), -1 ),

			20 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.97' ), -2 ),
			21 => array( QuantityValue::newFromNumber( '-0.002', '1', '-0.001', '-0.004' ), -3 ),
			22 => array( QuantityValue::newFromNumber( '-0.002', '1', '+0.001', '-0.06' ), -3 ),
			23 => array( QuantityValue::newFromNumber( '-21', '1', '+1.1', '-120' ), 1 ),
			24 => array( QuantityValue::newFromNumber( '-2', '1', '+1.1', '-120' ), 0 ),
			25 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900.03' ), 1 ),
			26 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900' ), 2 ),
		);
	}

	/**
	 * @dataProvider getSignificantFiguresProvider
	 */
	public function testGetSignificantFigures( QuantityValue $quantity, $expected ) {
		$actual = $quantity->getSignificantFigures();

		$this->assertEquals( $expected, $actual );
	}

	public function getSignificantFiguresProvider() {
		return array(
			0 => array( QuantityValue::newFromNumber( '+0' ), 1 ),
			1 => array( QuantityValue::newFromNumber( '-123' ), 3 ),
			2 => array( QuantityValue::newFromNumber( '-1.23' ), 4 ),

			10 => array( QuantityValue::newFromNumber( '-100', '1', '-99', '-101' ), 3 ),
			11 => array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), 4 ),
			12 => array( QuantityValue::newFromNumber( '-117.3', '1', '-117.2', '-117.4' ), 5 ),

			20 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.97' ), 6 ),
			21 => array( QuantityValue::newFromNumber( '-0.002', '1', '-0.001', '-0.004' ), 5 ),
			22 => array( QuantityValue::newFromNumber( '-0.002', '1', '+0.001', '-0.06' ), 5 ),
			23 => array( QuantityValue::newFromNumber( '-21', '1', '+1.1', '-120' ), 1 ),
			24 => array( QuantityValue::newFromNumber( '-2', '1', '+1.1', '-120' ), 1 ),
			25 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900.03' ), 3 ),
			26 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900' ), 2 ),
		);
	}

	/**
	 * @dataProvider transformProvider
	 */
	public function testTransform( QuantityValue $quantity, $transformation, QuantityValue $expected ) {
		$args = func_get_args();
		$extraArgs = array_slice( $args, 3 );

		$call = array( $quantity, 'transform' );
		$callArgs = array_merge( array( 'x', $transformation ), $extraArgs );
		$actual = call_user_func_array( $call, $callArgs );

		$this->assertEquals( 'x', $actual->getUnit() );
		$this->assertEquals( $expected->getAmount()->getValue(), $actual->getAmount()->getValue(), 'value' );
		$this->assertEquals( $expected->getUpperBound()->getValue(), $actual->getUpperBound()->getValue(), 'upper bound' );
		$this->assertEquals( $expected->getLowerBound()->getValue(), $actual->getLowerBound()->getValue(), 'lower bound' );
	}

	public function transformProvider() {
		$identity = function ( DecimalValue $value ) {
			return $value;
		};

		$square = function ( DecimalValue $value ) {
			$v = $value->getValueFloat();
			return new DecimalValue( $v * $v * $v );
		};

		$scale = function ( DecimalValue $value, $factor ) {
			return new DecimalValue( $value->getValueFloat() * $factor );
		};

		return array(
			 0 => array( QuantityValue::newFromNumber( '+10',   '1', '+11',  '+9' ),   $identity, QuantityValue::newFromNumber(   '+10',    '?',   '+11',    '+9' ) ),
			 1 => array( QuantityValue::newFromNumber(  '-0.5', '1', '-0.4', '-0.6' ), $identity, QuantityValue::newFromNumber(    '-0.5',  '?',    '-0.4',  '-0.6' ) ),
			 2 => array( QuantityValue::newFromNumber(  '+0',   '1', '+1',   '-1' ),   $square,   QuantityValue::newFromNumber(    '+0',    '?',    '+1',    '-1' ) ),
			 3 => array( QuantityValue::newFromNumber( '+10',   '1', '+11',  '+9' ),   $square,   QuantityValue::newFromNumber( '+1000',    '?', '+1300',  '+700' ) ), // note how rounding applies to bounds
			 4 => array( QuantityValue::newFromNumber(  '+0.5', '1', '+0.6', '+0.4' ), $scale,    QuantityValue::newFromNumber(    '+0.25', '?',    '+0.3',  '+0.2' ), 0.5 ),

			// note: absolutely exact values require conversion with infinite precision!
			10 => array( QuantityValue::newFromNumber( '+100', '1', '+100',   '+100' ),    $scale, QuantityValue::newFromNumber( '+12825.0', '?', '+12825.0', '+12825.0' ), 128.25 ),

			11 => array( QuantityValue::newFromNumber( '+100', '1', '+110',    '+90' ),    $scale, QuantityValue::newFromNumber( '+330',    '?', '+370',    '+300' ), 3.3333 ),
			12 => array( QuantityValue::newFromNumber( '+100', '1', '+100.1',  '+99.9' ),  $scale, QuantityValue::newFromNumber( '+333.3',  '?', '+333.7',  '+333.0' ), 3.3333 ),
			13 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.99' ), $scale, QuantityValue::newFromNumber( '+333.33', '?', '+333.36', '+333.30' ), 3.3333 ),
		);
	}

}


1			<?php
2
3			namespace DataValues\Tests;
4
5			use DataValues\DecimalValue;
6			use DataValues\QuantityValue;
7
8			/**
9			* @covers DataValues\QuantityValue
10			*
11			* @group DataValue
12			* @group DataValueExtensions
13			*
14			* @licence GNU GPL v2+
15			* @author Daniel Kinzler
16			*/
17			class QuantityValueTest extends DataValueTest {
18
19			/**
20			* @see DataValueTest::getClass
21			*
22			* @return string
23			*/
24			public function getClass() {
25			return 'DataValues\QuantityValue';
26			}
27
28			public function validConstructorArgumentsProvider() {
29			return array(
30			array(
31			new DecimalValue( '+42' ),
32			'1',
33			new DecimalValue( '+42' ),
34			new DecimalValue( '+42' )
35			),
36			array(
37			new DecimalValue( '+0.01' ),
38			'1',
39			new DecimalValue( '+0.02' ),
40			new DecimalValue( '+0.0001' )
41			),
42			array(
43			new DecimalValue( '-0.5' ),
44			'1',
45			new DecimalValue( '+0.02' ),
46			new DecimalValue( '-0.7' )
47			),
48			array(
49			new DecimalValue( '+1' ),
50			'1',
51			null,
52			null
53			),
54			);
55			}
56
57			public function invalidConstructorArgumentsProvider() {
58			return array(
59			array(
60			new DecimalValue( '+0' ),
61			'',
62			new DecimalValue( '+0' ),
63			new DecimalValue( '+0' )
64			),
65			array(
66			new DecimalValue( '+0' ),
67			1,
68			new DecimalValue( '+0' ),
69			new DecimalValue( '+0' )
70			),
71			array(
72			new DecimalValue( '+0' ),
73			'1',
74			new DecimalValue( '-0.001' ),
75			new DecimalValue( '-1' )
76			),
77			array(
78			new DecimalValue( '+0' ),
79			'1',
80			new DecimalValue( '+1' ),
81			new DecimalValue( '+0.001' )
82			),
83			array(
84			new DecimalValue( '+1' ),
85			'1',
86			new DecimalValue( '+1' ),
87			null
88			),
89			array(
90			new DecimalValue( '+1' ),
91			'1',
92			null,
93			new DecimalValue( '+1' )
94			),
95			);
96			}
97
98			/**
99			* @dataProvider instanceProvider
100			*/
101			public function testGetValue( QuantityValue $quantity, array $arguments ) {
102			$this->assertInstanceOf( $this->getClass(), $quantity->getValue() );
103			}
104
105			/**
106			* @dataProvider instanceProvider
107			*/
108			public function testGetAmount( QuantityValue $quantity, array $arguments ) {
109			$this->assertEquals( $arguments[0], $quantity->getAmount() );
110			}
111
112			/**
113			* @dataProvider instanceProvider
114			*/
115			public function testGetUnit( QuantityValue $quantity, array $arguments ) {
116			$this->assertEquals( $arguments[1], $quantity->getUnit() );
117			}
118
119			/**
120			* @dataProvider instanceProvider
121			*/
122			public function testGetUpperBound( QuantityValue $quantity, array $arguments ) {
123			$this->assertEquals( $arguments[2], $quantity->getUpperBound() );
124			}
125
126			/**
127			* @dataProvider instanceProvider
128			*/
129			public function testGetLowerBound( QuantityValue $quantity, array $arguments ) {
130			$this->assertEquals( $arguments[3], $quantity->getLowerBound() );
131			}
132
133			/**
134			* @dataProvider newFromNumberProvider
135			*/
136			public function testNewFromNumber( $amount, $unit, $upperBound, $lowerBound, QuantityValue $expected ) {
137			$quantity = QuantityValue::newFromNumber( $amount, $unit, $upperBound, $lowerBound );
138
139			$this->assertEquals( $expected->getAmount()->getValue(), $quantity->getAmount()->getValue() );
140			$this->assertEquals( $expected->getUpperBound()->getValue(), $quantity->getUpperBound()->getValue() );
141			$this->assertEquals( $expected->getLowerBound()->getValue(), $quantity->getLowerBound()->getValue() );
142			}
143
144			public function newFromNumberProvider() {
145			return array(
146			array(
147			42, '1', null, null,
148			new QuantityValue( new DecimalValue( '+42' ), '1', null, null )
149			),
150			array(
151			-0.05, '1', null, null,
152			new QuantityValue( new DecimalValue( '-0.05' ), '1', null, null )
153			),
154			array(
155			0, 'm', 0.5, -0.5,
156			new QuantityValue( new DecimalValue( '+0' ), 'm', new DecimalValue( '+0.5' ), new DecimalValue( '-0.5' ) )
157			),
158			array(
159			'+23', '1', null, null,
160			new QuantityValue( new DecimalValue( '+23' ), '1', null, null )
161			),
162			array(
163			'+42', '1', '+43', '+41',
164			new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( '+43' ), new DecimalValue( '+41' ) )
165			),
166			array(
167			'-0.05', 'm', '-0.04', '-0.06',
168			new QuantityValue( new DecimalValue( '-0.05' ), 'm', new DecimalValue( '-0.04' ), new DecimalValue( '-0.06' ) )
169			),
170			array(
171			new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ),
172			new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ) )
173			),
174			);
175			}
176
177			/**
178			* @dataProvider instanceProvider
179			*/
180			public function testGetSortKey( QuantityValue $quantity ) {
181			$this->assertEquals( $quantity->getAmount()->getValueFloat(), $quantity->getSortKey() );
182			}
183
184			/**
185			* @dataProvider getUncertaintyProvider
186			*/
187			public function testGetUncertainty( QuantityValue $quantity, $expected ) {
188			$actual = $quantity->getUncertainty();
189
190			// floats are wonkey, accept small differences here
191			$this->assertTrue( abs( $actual - $expected ) < 0.000000001, "expected $expected, got $actual" );
192			}
193
194			public function getUncertaintyProvider() {
195			return array(
196			array( QuantityValue::newFromNumber( '+0', '1', '+0', '+0' ), 0 ),
197
198			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), 2 ),
199			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), 0.02 ),
200			array( QuantityValue::newFromNumber( '+100', '1', '+101', '+99' ), 2 ),
201			array( QuantityValue::newFromNumber( '+100.0', '1', '+100.1', '+99.9' ), 0.2 ),
202			array( QuantityValue::newFromNumber( '+12.34', '1', '+12.35', '+12.33' ), 0.02 ),
203
204			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), 0.8 ),
205			array( QuantityValue::newFromNumber( '+7.3', '1', '+7.7', '+5.2' ), 2.5 ),
206			);
207			}
208
209			/**
210			* @dataProvider getUncertaintyMarginProvider
211			*/
212			public function testGetUncertaintyMargin( QuantityValue $quantity, $expected ) {
213			$actual = $quantity->getUncertaintyMargin();
214
215			$this->assertEquals( $expected, $actual->getValue() );
216			}
217
218			public function getUncertaintyMarginProvider() {
219			return array(
220			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), '+1' ),
221			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), '+0.01' ),
222
223			array( QuantityValue::newFromNumber( '-1', '1', '-1', '-1' ), '+0' ),
224
225			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), '+0.6' ),
226			array( QuantityValue::newFromNumber( '+7.5', '1', '+7.5', '+5.5' ), '+2' ),
227			array( QuantityValue::newFromNumber( '+11.5', '1', '+15', '+10.5' ), '+3.5' ),
228			);
229			}
230
231			/**
232			* @dataProvider getOrderOfUncertaintyProvider
233			*/
234			public function testGetOrderOfUncertainty( QuantityValue $quantity, $expected ) {
235			$actual = $quantity->getOrderOfUncertainty();
236
237			$this->assertEquals( $expected, $actual );
238			}
239
240			public function getOrderOfUncertaintyProvider() {
241			return array(
242			0 => array( QuantityValue::newFromNumber( '+0' ), 0 ),
243			1 => array( QuantityValue::newFromNumber( '-123' ), 0 ),
244			2 => array( QuantityValue::newFromNumber( '-1.23' ), -2 ),
245
246			10 => array( QuantityValue::newFromNumber( '-100', '1', '-99', '-101' ), 0 ),
247			11 => array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), -2 ),
248			12 => array( QuantityValue::newFromNumber( '-117.3', '1', '-117.2', '-117.4' ), -1 ),
249
250			20 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.97' ), -2 ),
251			21 => array( QuantityValue::newFromNumber( '-0.002', '1', '-0.001', '-0.004' ), -3 ),
252			22 => array( QuantityValue::newFromNumber( '-0.002', '1', '+0.001', '-0.06' ), -3 ),
253			23 => array( QuantityValue::newFromNumber( '-21', '1', '+1.1', '-120' ), 1 ),
254			24 => array( QuantityValue::newFromNumber( '-2', '1', '+1.1', '-120' ), 0 ),
255			25 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900.03' ), 1 ),
256			26 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900' ), 2 ),
257			);
258			}
259
260			/**
261			* @dataProvider getSignificantFiguresProvider
262			*/
263			public function testGetSignificantFigures( QuantityValue $quantity, $expected ) {
264			$actual = $quantity->getSignificantFigures();
265
266			$this->assertEquals( $expected, $actual );
267			}
268
269			public function getSignificantFiguresProvider() {
270			return array(
271			0 => array( QuantityValue::newFromNumber( '+0' ), 1 ),
272			1 => array( QuantityValue::newFromNumber( '-123' ), 3 ),
273			2 => array( QuantityValue::newFromNumber( '-1.23' ), 4 ),
274
275			10 => array( QuantityValue::newFromNumber( '-100', '1', '-99', '-101' ), 3 ),
276			11 => array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), 4 ),
277			12 => array( QuantityValue::newFromNumber( '-117.3', '1', '-117.2', '-117.4' ), 5 ),
278
279			20 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.97' ), 6 ),
280			21 => array( QuantityValue::newFromNumber( '-0.002', '1', '-0.001', '-0.004' ), 5 ),
281			22 => array( QuantityValue::newFromNumber( '-0.002', '1', '+0.001', '-0.06' ), 5 ),
282			23 => array( QuantityValue::newFromNumber( '-21', '1', '+1.1', '-120' ), 1 ),
283			24 => array( QuantityValue::newFromNumber( '-2', '1', '+1.1', '-120' ), 1 ),
284			25 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900.03' ), 3 ),
285			26 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900' ), 2 ),
286			);
287			}
288
289			/**
290			* @dataProvider transformProvider
291			*/
292			public function testTransform( QuantityValue $quantity, $transformation, QuantityValue $expected ) {
293			$args = func_get_args();
294			$extraArgs = array_slice( $args, 3 );
295
296			$call = array( $quantity, 'transform' );
297			$callArgs = array_merge( array( 'x', $transformation ), $extraArgs );
298			$actual = call_user_func_array( $call, $callArgs );
299
300			$this->assertEquals( 'x', $actual->getUnit() );
301			$this->assertEquals( $expected->getAmount()->getValue(), $actual->getAmount()->getValue(), 'value' );
302			$this->assertEquals( $expected->getUpperBound()->getValue(), $actual->getUpperBound()->getValue(), 'upper bound' );
303			$this->assertEquals( $expected->getLowerBound()->getValue(), $actual->getLowerBound()->getValue(), 'lower bound' );
304			}
305
306			public function transformProvider() {
307			$identity = function ( DecimalValue $value ) {
308			return $value;
309			};
310
311			$square = function ( DecimalValue $value ) {
312			$v = $value->getValueFloat();
313			return new DecimalValue( $v * $v * $v );
314			};
315
316			$scale = function ( DecimalValue $value, $factor ) {
317			return new DecimalValue( $value->getValueFloat() * $factor );
318			};
319
320			return array(
321			0 => array( QuantityValue::newFromNumber( '+10', '1', '+11', '+9' ), $identity, QuantityValue::newFromNumber( '+10', '?', '+11', '+9' ) ),
322			1 => array( QuantityValue::newFromNumber( '-0.5', '1', '-0.4', '-0.6' ), $identity, QuantityValue::newFromNumber( '-0.5', '?', '-0.4', '-0.6' ) ),
323			2 => array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), $square, QuantityValue::newFromNumber( '+0', '?', '+1', '-1' ) ),
324			3 => array( QuantityValue::newFromNumber( '+10', '1', '+11', '+9' ), $square, QuantityValue::newFromNumber( '+1000', '?', '+1300', '+700' ) ), // note how rounding applies to bounds
325			4 => array( QuantityValue::newFromNumber( '+0.5', '1', '+0.6', '+0.4' ), $scale, QuantityValue::newFromNumber( '+0.25', '?', '+0.3', '+0.2' ), 0.5 ),
326
327			// note: absolutely exact values require conversion with infinite precision!
328			10 => array( QuantityValue::newFromNumber( '+100', '1', '+100', '+100' ), $scale, QuantityValue::newFromNumber( '+12825.0', '?', '+12825.0', '+12825.0' ), 128.25 ),
329
330			11 => array( QuantityValue::newFromNumber( '+100', '1', '+110', '+90' ), $scale, QuantityValue::newFromNumber( '+330', '?', '+370', '+300' ), 3.3333 ),
331			12 => array( QuantityValue::newFromNumber( '+100', '1', '+100.1', '+99.9' ), $scale, QuantityValue::newFromNumber( '+333.3', '?', '+333.7', '+333.0' ), 3.3333 ),
332			13 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.99' ), $scale, QuantityValue::newFromNumber( '+333.33', '?', '+333.36', '+333.30' ), 3.3333 ),
333			);
334			}
335
336			}
337

DataValues / Number

Pull Request — master (#55)

validConstructorArgumentsProvider() B

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