QuantityValueTest::testGetUncertaintyMargin() - Code Metrics - Inspection of "Allow QuantityValue::upper/lowerBounds to be null" - DataValues/Number - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — nullBounds ( b0cbef...64701e )

by no

created 2016-02-25 17:19 UTC

QuantityValueTest::testGetUncertaintyMargin() A

↳ Parent: QuantityValueTest

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	5
rs	9.4285
cc	1
eloc	3
nc	1
nop	2

<?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() ? $expected->getUpperBound()->getValue() : null,
			$quantity->getUpperBound() ? $quantity->getUpperBound()->getValue() : null
		);
		$this->assertEquals(
			$expected->getLowerBound() ? $expected->getLowerBound()->getValue() : null,
			$quantity->getLowerBound() ? $quantity->getLowerBound()->getValue() : null
		);
	}

	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' ), null ),
			1 => array( QuantityValue::newFromNumber( '-123' ), null ),
			2 => array( QuantityValue::newFromNumber( '-1.23' ), null ),

			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' ), null ),
			1 => array( QuantityValue::newFromNumber( '-123' ), null ),
			2 => array( QuantityValue::newFromNumber( '-1.23' ), null ),

			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(
141			$expected->getUpperBound() ? $expected->getUpperBound()->getValue() : null,
142			$quantity->getUpperBound() ? $quantity->getUpperBound()->getValue() : null
143			);
144			$this->assertEquals(
145			$expected->getLowerBound() ? $expected->getLowerBound()->getValue() : null,
146			$quantity->getLowerBound() ? $quantity->getLowerBound()->getValue() : null
147			);
148			}
149
150			public function newFromNumberProvider() {
151			return array(
152			array(
153			42, '1', null, null,
154			new QuantityValue( new DecimalValue( '+42' ), '1', null, null )
155			),
156			array(
157			-0.05, '1', null, null,
158			new QuantityValue( new DecimalValue( '-0.05' ), '1', null, null )
159			),
160			array(
161			0, 'm', 0.5, -0.5,
162			new QuantityValue( new DecimalValue( '+0' ), 'm', new DecimalValue( '+0.5' ), new DecimalValue( '-0.5' ) )
163			),
164			array(
165			'+23', '1', null, null,
166			new QuantityValue( new DecimalValue( '+23' ), '1', null, null )
167			),
168			array(
169			'+42', '1', '+43', '+41',
170			new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( '+43' ), new DecimalValue( '+41' ) )
171			),
172			array(
173			'-0.05', 'm', '-0.04', '-0.06',
174			new QuantityValue( new DecimalValue( '-0.05' ), 'm', new DecimalValue( '-0.04' ), new DecimalValue( '-0.06' ) )
175			),
176			array(
177			new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ),
178			new QuantityValue( new DecimalValue( '+42' ), '1', new DecimalValue( 43 ), new DecimalValue( 41.0 ) )
179			),
180			);
181			}
182
183			/**
184			* @dataProvider instanceProvider
185			*/
186			public function testGetSortKey( QuantityValue $quantity ) {
187			$this->assertEquals( $quantity->getAmount()->getValueFloat(), $quantity->getSortKey() );
188			}
189
190			/**
191			* @dataProvider getUncertaintyProvider
192			*/
193			public function testGetUncertainty( QuantityValue $quantity, $expected ) {
194			$actual = $quantity->getUncertainty();
195
196			// floats are wonkey, accept small differences here
197			$this->assertTrue( abs( $actual - $expected ) < 0.000000001, "expected $expected, got $actual" );
198			}
199
200			public function getUncertaintyProvider() {
201			return array(
202			array( QuantityValue::newFromNumber( '+0', '1', '+0', '+0' ), 0 ),
203
204			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), 2 ),
205			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), 0.02 ),
206			array( QuantityValue::newFromNumber( '+100', '1', '+101', '+99' ), 2 ),
207			array( QuantityValue::newFromNumber( '+100.0', '1', '+100.1', '+99.9' ), 0.2 ),
208			array( QuantityValue::newFromNumber( '+12.34', '1', '+12.35', '+12.33' ), 0.02 ),
209
210			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), 0.8 ),
211			array( QuantityValue::newFromNumber( '+7.3', '1', '+7.7', '+5.2' ), 2.5 ),
212			);
213			}
214
215			/**
216			* @dataProvider getUncertaintyMarginProvider
217			*/
218			public function testGetUncertaintyMargin( QuantityValue $quantity, $expected ) {
219			$actual = $quantity->getUncertaintyMargin();
220
221			$this->assertEquals( $expected, $actual->getValue() );
222			}
223
224			public function getUncertaintyMarginProvider() {
225			return array(
226			array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), '+1' ),
227			array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), '+0.01' ),
228
229			array( QuantityValue::newFromNumber( '-1', '1', '-1', '-1' ), '+0' ),
230
231			array( QuantityValue::newFromNumber( '+0', '1', '+0.2', '-0.6' ), '+0.6' ),
232			array( QuantityValue::newFromNumber( '+7.5', '1', '+7.5', '+5.5' ), '+2' ),
233			array( QuantityValue::newFromNumber( '+11.5', '1', '+15', '+10.5' ), '+3.5' ),
234			);
235			}
236
237			/**
238			* @dataProvider getOrderOfUncertaintyProvider
239			*/
240			public function testGetOrderOfUncertainty( QuantityValue $quantity, $expected ) {
241			$actual = $quantity->getOrderOfUncertainty();
242
243			$this->assertEquals( $expected, $actual );
244			}
245
246			public function getOrderOfUncertaintyProvider() {
247			return array(
248			0 => array( QuantityValue::newFromNumber( '+0' ), null ),
249			1 => array( QuantityValue::newFromNumber( '-123' ), null ),
250			2 => array( QuantityValue::newFromNumber( '-1.23' ), null ),
251
252			10 => array( QuantityValue::newFromNumber( '-100', '1', '-99', '-101' ), 0 ),
253			11 => array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), -2 ),
254			12 => array( QuantityValue::newFromNumber( '-117.3', '1', '-117.2', '-117.4' ), -1 ),
255
256			20 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.97' ), -2 ),
257			21 => array( QuantityValue::newFromNumber( '-0.002', '1', '-0.001', '-0.004' ), -3 ),
258			22 => array( QuantityValue::newFromNumber( '-0.002', '1', '+0.001', '-0.06' ), -3 ),
259			23 => array( QuantityValue::newFromNumber( '-21', '1', '+1.1', '-120' ), 1 ),
260			24 => array( QuantityValue::newFromNumber( '-2', '1', '+1.1', '-120' ), 0 ),
261			25 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900.03' ), 1 ),
262			26 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900' ), 2 ),
263			);
264			}
265
266			/**
267			* @dataProvider getSignificantFiguresProvider
268			*/
269			public function testGetSignificantFigures( QuantityValue $quantity, $expected ) {
270			$actual = $quantity->getSignificantFigures();
271
272			$this->assertEquals( $expected, $actual );
273			}
274
275			public function getSignificantFiguresProvider() {
276			return array(
277			0 => array( QuantityValue::newFromNumber( '+0' ), null ),
278			1 => array( QuantityValue::newFromNumber( '-123' ), null ),
279			2 => array( QuantityValue::newFromNumber( '-1.23' ), null ),
280
281			10 => array( QuantityValue::newFromNumber( '-100', '1', '-99', '-101' ), 3 ),
282			11 => array( QuantityValue::newFromNumber( '+0.00', '1', '+0.01', '-0.01' ), 4 ),
283			12 => array( QuantityValue::newFromNumber( '-117.3', '1', '-117.2', '-117.4' ), 5 ),
284
285			20 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.97' ), 6 ),
286			21 => array( QuantityValue::newFromNumber( '-0.002', '1', '-0.001', '-0.004' ), 5 ),
287			22 => array( QuantityValue::newFromNumber( '-0.002', '1', '+0.001', '-0.06' ), 5 ),
288			23 => array( QuantityValue::newFromNumber( '-21', '1', '+1.1', '-120' ), 1 ),
289			24 => array( QuantityValue::newFromNumber( '-2', '1', '+1.1', '-120' ), 1 ),
290			25 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900.03' ), 3 ),
291			26 => array( QuantityValue::newFromNumber( '+1000', '1', '+1100', '+900' ), 2 ),
292			);
293			}
294
295			/**
296			* @dataProvider transformProvider
297			*/
298			public function testTransform( QuantityValue $quantity, $transformation, QuantityValue $expected ) {
299			$args = func_get_args();
300			$extraArgs = array_slice( $args, 3 );
301
302			$call = array( $quantity, 'transform' );
303			$callArgs = array_merge( array( 'x', $transformation ), $extraArgs );
304			$actual = call_user_func_array( $call, $callArgs );
305
306			$this->assertEquals( 'x', $actual->getUnit() );
307			$this->assertEquals( $expected->getAmount()->getValue(), $actual->getAmount()->getValue(), 'value' );
308			$this->assertEquals( $expected->getUpperBound()->getValue(), $actual->getUpperBound()->getValue(), 'upper bound' );
309			$this->assertEquals( $expected->getLowerBound()->getValue(), $actual->getLowerBound()->getValue(), 'lower bound' );
310			}
311
312			public function transformProvider() {
313			$identity = function ( DecimalValue $value ) {
314			return $value;
315			};
316
317			$square = function ( DecimalValue $value ) {
318			$v = $value->getValueFloat();
319			return new DecimalValue( $v * $v * $v );
320			};
321
322			$scale = function ( DecimalValue $value, $factor ) {
323			return new DecimalValue( $value->getValueFloat() * $factor );
324			};
325
326			return array(
327			0 => array( QuantityValue::newFromNumber( '+10', '1', '+11', '+9' ), $identity, QuantityValue::newFromNumber( '+10', '?', '+11', '+9' ) ),
328			1 => array( QuantityValue::newFromNumber( '-0.5', '1', '-0.4', '-0.6' ), $identity, QuantityValue::newFromNumber( '-0.5', '?', '-0.4', '-0.6' ) ),
329			2 => array( QuantityValue::newFromNumber( '+0', '1', '+1', '-1' ), $square, QuantityValue::newFromNumber( '+0', '?', '+1', '-1' ) ),
330			3 => array( QuantityValue::newFromNumber( '+10', '1', '+11', '+9' ), $square, QuantityValue::newFromNumber( '+1000', '?', '+1300', '+700' ) ), // note how rounding applies to bounds
331			4 => array( QuantityValue::newFromNumber( '+0.5', '1', '+0.6', '+0.4' ), $scale, QuantityValue::newFromNumber( '+0.25', '?', '+0.3', '+0.2' ), 0.5 ),
332
333			// note: absolutely exact values require conversion with infinite precision!
334			10 => array( QuantityValue::newFromNumber( '+100', '1', '+100', '+100' ), $scale, QuantityValue::newFromNumber( '+12825.0', '?', '+12825.0', '+12825.0' ), 128.25 ),
335
336			11 => array( QuantityValue::newFromNumber( '+100', '1', '+110', '+90' ), $scale, QuantityValue::newFromNumber( '+330', '?', '+370', '+300' ), 3.3333 ),
337			12 => array( QuantityValue::newFromNumber( '+100', '1', '+100.1', '+99.9' ), $scale, QuantityValue::newFromNumber( '+333.3', '?', '+333.7', '+333.0' ), 3.3333 ),
338			13 => array( QuantityValue::newFromNumber( '+100', '1', '+100.01', '+99.99' ), $scale, QuantityValue::newFromNumber( '+333.33', '?', '+333.36', '+333.30' ), 3.3333 ),
339			);
340			}
341
342			}
343

DataValues / Number

Push — nullBounds ( b0cbef...64701e )

QuantityValueTest::testGetUncertaintyMargin() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

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