本文整理汇总了Java中org.apache.commons.lang.ArrayUtils.EMPTY_BYTE_ARRAY属性的典型用法代码示例。如果您正苦于以下问题:Java ArrayUtils.EMPTY_BYTE_ARRAY属性的具体用法?Java ArrayUtils.EMPTY_BYTE_ARRAY怎么用?Java ArrayUtils.EMPTY_BYTE_ARRAY使用的例子?那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.commons.lang.ArrayUtils
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示例1: unitTestUniformSplit
/**
* Unit tests for the UniformSplit algorithm. Makes sure it divides up the space of
* keys in the way that we expect.
*/
@Test
public void unitTestUniformSplit() {
UniformSplit splitter = new UniformSplit();
// Check splitting while starting from scratch
try {
splitter.split(1);
throw new AssertionError("Splitting into <2 regions should have thrown exception");
} catch (IllegalArgumentException e) { }
byte[][] twoRegionsSplits = splitter.split(2);
assertEquals(1, twoRegionsSplits.length);
assertArrayEquals(twoRegionsSplits[0],
new byte[] { (byte) 0x80, 0, 0, 0, 0, 0, 0, 0 });
byte[][] threeRegionsSplits = splitter.split(3);
assertEquals(2, threeRegionsSplits.length);
byte[] expectedSplit0 = new byte[] {0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55};
assertArrayEquals(expectedSplit0, threeRegionsSplits[0]);
byte[] expectedSplit1 = new byte[] {(byte)0xAA, (byte)0xAA, (byte)0xAA, (byte)0xAA,
(byte)0xAA, (byte)0xAA, (byte)0xAA, (byte)0xAA};
assertArrayEquals(expectedSplit1, threeRegionsSplits[1]);
// Check splitting existing regions that have start and end points
byte[] splitPoint = splitter.split(new byte[] {0x10}, new byte[] {0x30});
assertArrayEquals(new byte[] {0x20}, splitPoint);
byte[] lastRow = new byte[] {xFF, xFF, xFF, xFF, xFF, xFF, xFF, xFF};
assertArrayEquals(lastRow, splitter.lastRow());
byte[] firstRow = ArrayUtils.EMPTY_BYTE_ARRAY;
assertArrayEquals(firstRow, splitter.firstRow());
splitPoint = splitter.split(firstRow, new byte[] {0x20});
assertArrayEquals(splitPoint, new byte[] {0x10});
splitPoint = splitter.split(new byte[] {(byte)0xdf, xFF, xFF, xFF, xFF,
xFF, xFF, xFF}, lastRow);
assertArrayEquals(splitPoint,
new byte[] {(byte)0xef, xFF, xFF, xFF, xFF, xFF, xFF, xFF});
splitPoint = splitter.split(new byte[] {'a', 'a', 'a'}, new byte[] {'a', 'a', 'b'});
assertArrayEquals(splitPoint, new byte[] {'a', 'a', 'a', (byte)0x80 });
}