public Class TestRng

Class Inheritance

extends Object

Toy RNG to ensure we get predictable numbers during unit tests.

Field Summary

Modifier and Type	Field and Description
private int	next

Access	Constructor and Description
public	TestRng(String seed to bootstrap, usually this is the test method name. seed) Create a new random number generator, seeded by a string.

Modifier and Type	Method and Description
public byte[]	Returns: array of `cnt` randomly generated bytes. nextBytes(int number of random bytes to produce. cnt) Get the next `cnt` bytes of random data.
public int	Returns: the next random integer. nextInt() Next int

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

next	back to summary
private int next

TestRng	back to summary
public TestRng(String seed) Create a new random number generator, seeded by a string. Parameters seed:String seed to bootstrap, usually this is the test method name.

TestRng

public TestRng(String seed)

Create a new random number generator, seeded by a string.

Parameters

nextBytes back to summary

nextBytes	back to summary
public byte[] nextBytes(int cnt) Get the next `cnt` bytes of random data. Parameters cnt:int number of random bytes to produce. Returns:byte[] array of `cnt` randomly generated bytes.

public byte[] nextBytes(int cnt)

Get the next cnt bytes of random data.

Parameters

Returns:byte[]

array of cnt randomly generated bytes.

nextInt	back to summary
public int nextInt() Next int Returns:int the next random integer.

nextInt

public int nextInt()

Next int