| 39 |
|
* accumulate accumulates given value to current, and get returns current value |
| 40 |
|
*/ |
| 41 |
|
public void testAccumulateAndGet() { |
| 42 |
< |
DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0); |
| 43 |
< |
ai.accumulate(2.0); |
| 44 |
< |
assertEquals(2.0, ai.get()); |
| 45 |
< |
ai.accumulate(-4.0); |
| 46 |
< |
assertEquals(2.0, ai.get()); |
| 47 |
< |
ai.accumulate(4.0); |
| 48 |
< |
assertEquals(4.0, ai.get()); |
| 42 |
> |
DoubleAccumulator acc = new DoubleAccumulator(Double::max, 0.0); |
| 43 |
> |
acc.accumulate(2.0); |
| 44 |
> |
assertEquals(2.0, acc.get()); |
| 45 |
> |
acc.accumulate(-4.0); |
| 46 |
> |
assertEquals(2.0, acc.get()); |
| 47 |
> |
acc.accumulate(4.0); |
| 48 |
> |
assertEquals(4.0, acc.get()); |
| 49 |
|
} |
| 50 |
|
|
| 51 |
|
/** |
| 52 |
|
* reset() causes subsequent get() to return zero |
| 53 |
|
*/ |
| 54 |
|
public void testReset() { |
| 55 |
< |
DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0); |
| 56 |
< |
ai.accumulate(2.0); |
| 57 |
< |
assertEquals(2.0, ai.get()); |
| 58 |
< |
ai.reset(); |
| 59 |
< |
assertEquals(0.0, ai.get()); |
| 55 |
> |
DoubleAccumulator acc = new DoubleAccumulator(Double::max, 0.0); |
| 56 |
> |
acc.accumulate(2.0); |
| 57 |
> |
assertEquals(2.0, acc.get()); |
| 58 |
> |
acc.reset(); |
| 59 |
> |
assertEquals(0.0, acc.get()); |
| 60 |
|
} |
| 61 |
|
|
| 62 |
|
/** |
| 63 |
|
* getThenReset() returns current value; subsequent get() returns zero |
| 64 |
|
*/ |
| 65 |
|
public void testGetThenReset() { |
| 66 |
< |
DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0); |
| 67 |
< |
ai.accumulate(2.0); |
| 68 |
< |
assertEquals(2.0, ai.get()); |
| 69 |
< |
assertEquals(2.0, ai.getThenReset()); |
| 70 |
< |
assertEquals(0.0, ai.get()); |
| 66 |
> |
DoubleAccumulator acc = new DoubleAccumulator(Double::max, 0.0); |
| 67 |
> |
acc.accumulate(2.0); |
| 68 |
> |
assertEquals(2.0, acc.get()); |
| 69 |
> |
assertEquals(2.0, acc.getThenReset()); |
| 70 |
> |
assertEquals(0.0, acc.get()); |
| 71 |
|
} |
| 72 |
|
|
| 73 |
|
/** |
| 74 |
|
* toString returns current value. |
| 75 |
|
*/ |
| 76 |
|
public void testToString() { |
| 77 |
< |
DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0); |
| 78 |
< |
assertEquals("0.0", ai.toString()); |
| 79 |
< |
ai.accumulate(1.0); |
| 80 |
< |
assertEquals(Double.toString(1.0), ai.toString()); |
| 77 |
> |
DoubleAccumulator acc = new DoubleAccumulator(Double::max, 0.0); |
| 78 |
> |
assertEquals("0.0", acc.toString()); |
| 79 |
> |
acc.accumulate(1.0); |
| 80 |
> |
assertEquals(Double.toString(1.0), acc.toString()); |
| 81 |
|
} |
| 82 |
|
|
| 83 |
|
/** |
| 84 |
|
* intValue returns current value. |
| 85 |
|
*/ |
| 86 |
|
public void testIntValue() { |
| 87 |
< |
DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0); |
| 88 |
< |
assertEquals(0, ai.intValue()); |
| 89 |
< |
ai.accumulate(1.0); |
| 90 |
< |
assertEquals(1, ai.intValue()); |
| 87 |
> |
DoubleAccumulator acc = new DoubleAccumulator(Double::max, 0.0); |
| 88 |
> |
assertEquals(0, acc.intValue()); |
| 89 |
> |
acc.accumulate(1.0); |
| 90 |
> |
assertEquals(1, acc.intValue()); |
| 91 |
|
} |
| 92 |
|
|
| 93 |
|
/** |
| 94 |
|
* longValue returns current value. |
| 95 |
|
*/ |
| 96 |
|
public void testLongValue() { |
| 97 |
< |
DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0); |
| 98 |
< |
assertEquals(0, ai.longValue()); |
| 99 |
< |
ai.accumulate(1.0); |
| 100 |
< |
assertEquals(1, ai.longValue()); |
| 97 |
> |
DoubleAccumulator acc = new DoubleAccumulator(Double::max, 0.0); |
| 98 |
> |
assertEquals(0, acc.longValue()); |
| 99 |
> |
acc.accumulate(1.0); |
| 100 |
> |
assertEquals(1, acc.longValue()); |
| 101 |
|
} |
| 102 |
|
|
| 103 |
|
/** |
| 104 |
|
* floatValue returns current value. |
| 105 |
|
*/ |
| 106 |
|
public void testFloatValue() { |
| 107 |
< |
DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0); |
| 108 |
< |
assertEquals(0.0f, ai.floatValue()); |
| 109 |
< |
ai.accumulate(1.0); |
| 110 |
< |
assertEquals(1.0f, ai.floatValue()); |
| 107 |
> |
DoubleAccumulator acc = new DoubleAccumulator(Double::max, 0.0); |
| 108 |
> |
assertEquals(0.0f, acc.floatValue()); |
| 109 |
> |
acc.accumulate(1.0); |
| 110 |
> |
assertEquals(1.0f, acc.floatValue()); |
| 111 |
|
} |
| 112 |
|
|
| 113 |
|
/** |
| 114 |
|
* doubleValue returns current value. |
| 115 |
|
*/ |
| 116 |
|
public void testDoubleValue() { |
| 117 |
< |
DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0); |
| 118 |
< |
assertEquals(0.0, ai.doubleValue()); |
| 119 |
< |
ai.accumulate(1.0); |
| 120 |
< |
assertEquals(1.0, ai.doubleValue()); |
| 117 |
> |
DoubleAccumulator acc = new DoubleAccumulator(Double::max, 0.0); |
| 118 |
> |
assertEquals(0.0, acc.doubleValue()); |
| 119 |
> |
acc.accumulate(1.0); |
| 120 |
> |
assertEquals(1.0, acc.doubleValue()); |
| 121 |
|
} |
| 122 |
|
|
| 123 |
|
/** |
