@Test
public void testTwoLevel() {
// Define numbers of buckets on each level
RangeCalculator[] rangeCalculators = {
new LastBitsToRange(12), // 2^12=4096 Buckets on level 0
new LastBitsToRange(12)
}; // 2^12=4096 Buckets on level 1
Iterator<Integer> importIterator = new RangeIterator(-1000000, 1000000);
MultiLevelHashTester ht = new MultiLevelHashTester(importIterator, rangeCalculators);
BucketBoundaries[] boundaries = {
new BucketBoundaries(400, 600, 5, 0.01),
new BucketBoundaries(0, 4, BucketBoundaries.MAX_EMPTY_UNBOUNDED, 0.0001)
};
LOG.debug("Start Two Level hash test");
ht.runTest(boundaries);
LOG.debug("End Two Level hash test");
}
@Test
public void testRandom() {
// Define numbers of buckets on each level
RangeCalculator[] rangeCalculators = {
new LastBitsToRange(10), // 2^10=1024 Buckets on level 0
new LastBitsToRange(10), // 2^10=1024 Buckets on level 1
new LastBitsToRange(10)
}; // 2^10=1024 Buckets on level 2
Iterator<Integer> importIterator = new RandomIterator(SEED, 2000000);
MultiLevelHashTester ht = new MultiLevelHashTester(importIterator, rangeCalculators);
BucketBoundaries[] boundaries = {
new BucketBoundaries(1800, 2110, 5, 0.01),
new BucketBoundaries(0, 15, BucketBoundaries.MAX_EMPTY_UNBOUNDED, 0.0001),
new BucketBoundaries(0, 2, BucketBoundaries.MAX_EMPTY_UNBOUNDED, 0.000001)
};
LOG.debug("Start Random hash test");
ht.runTest(boundaries);
LOG.debug("End Random hash test");
}
@Test
public void testStepSeventeen() {
// Define numbers of buckets on each level
RangeCalculator[] rangeCalculators = {
new LastBitsToRange(10), // 2^10=1024 Buckets on level 0
new LastBitsToRange(10), // 2^10=1024 Buckets on level 1
new LastBitsToRange(10)
}; // 2^10=1024 Buckets on level 2
Iterator<Integer> importIterator = new StepRangeIterator(-30000000, 30000000, 17);
MultiLevelHashTester ht = new MultiLevelHashTester(importIterator, rangeCalculators);
BucketBoundaries[] boundaries = {
new BucketBoundaries(3000, 3700, 5, 0.01),
new BucketBoundaries(0, 20, BucketBoundaries.MAX_EMPTY_UNBOUNDED, 0.0001),
new BucketBoundaries(0, 3, BucketBoundaries.MAX_EMPTY_UNBOUNDED, 0.000001)
};
LOG.debug("Start Step Seventeen hash test");
ht.runTest(boundaries);
LOG.debug("End Step Seventeen hash test");
}