本文整理汇总了Java中java.util.SplittableRandom.nextLong方法的典型用法代码示例。如果您正苦于以下问题：Java SplittableRandom.nextLong方法的具体用法？Java SplittableRandom.nextLong怎么用？Java SplittableRandom.nextLong使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.util.SplittableRandom的用法示例。
在下文中一共展示了SplittableRandom.nextLong方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testNextLongBounded
import java.util.SplittableRandom; //导入方法依赖的package包/类
/**
* nextLong(bound) returns 0 <= value < bound;
* repeated calls produce at least two distinct results
*/
public void testNextLongBounded() {
SplittableRandom sr = new SplittableRandom();
for (long bound = 2; bound < MAX_LONG_BOUND; bound += 15485863) {
long f = sr.nextLong(bound);
assertTrue(0 <= f && f < bound);
int i = 0;
long j;
while (i < NCALLS &&
(j = sr.nextLong(bound)) == f) {
assertTrue(0 <= j && j < bound);
++i;
}
assertTrue(i < NCALLS);
}
}
示例2: testNextLongBounded2
import java.util.SplittableRandom; //导入方法依赖的package包/类
/**
* nextLong(least, bound) returns least <= value < bound;
* repeated calls produce at least two distinct results
*/
public void testNextLongBounded2() {
SplittableRandom sr = new SplittableRandom();
for (long least = -86028121; least < MAX_LONG_BOUND; least += 982451653L) {
for (long bound = least + 2; bound > least && bound < MAX_LONG_BOUND; bound += Math.abs(bound * 7919)) {
long f = sr.nextLong(least, bound);
assertTrue(least <= f && f < bound);
int i = 0;
long j;
while (i < NCALLS &&
(j = sr.nextLong(least, bound)) == f) {
assertTrue(least <= j && j < bound);
++i;
}
assertTrue(i < NCALLS);
}
}
}
示例3: testNextLong
import java.util.SplittableRandom; //导入方法依赖的package包/类
/**
* Repeated calls to nextLong produce at least two distinct results
*/
public void testNextLong() {
SplittableRandom sr = new SplittableRandom();
long f = sr.nextLong();
int i = 0;
while (i < NCALLS && sr.nextLong() == f)
++i;
assertTrue(i < NCALLS);
}
示例4: testSplit1
import java.util.SplittableRandom; //导入方法依赖的package包/类
/**
* A SplittableRandom produced by split() of a default-constructed
* SplittableRandom generates a different sequence
*/
public void testSplit1() {
SplittableRandom sr = new SplittableRandom();
for (int reps = 0; reps < REPS; ++reps) {
SplittableRandom sc = sr.split();
int i = 0;
while (i < NCALLS && sr.nextLong() == sc.nextLong())
++i;
assertTrue(i < NCALLS);
}
}
示例5: testSplit2
import java.util.SplittableRandom; //导入方法依赖的package包/类
/**
* A SplittableRandom produced by split() of a seeded-constructed
* SplittableRandom generates a different sequence
*/
public void testSplit2() {
SplittableRandom sr = new SplittableRandom(12345);
for (int reps = 0; reps < REPS; ++reps) {
SplittableRandom sc = sr.split();
int i = 0;
while (i < NCALLS && sr.nextLong() == sc.nextLong())
++i;
assertTrue(i < NCALLS);
}
}
示例6: testNextLongBoundNonPositive
import java.util.SplittableRandom; //导入方法依赖的package包/类
/**
* nextLong(non-positive) throws IllegalArgumentException
*/
public void testNextLongBoundNonPositive() {
SplittableRandom sr = new SplittableRandom();
Runnable[] throwingActions = {
() -> sr.nextLong(-17L),
() -> sr.nextLong(0L),
() -> sr.nextLong(Long.MIN_VALUE),
};
assertThrows(IllegalArgumentException.class, throwingActions);
}
示例7: testNextLongBadBounds
import java.util.SplittableRandom; //导入方法依赖的package包/类
/**
* nextLong(least >= bound) throws IllegalArgumentException
*/
public void testNextLongBadBounds() {
SplittableRandom sr = new SplittableRandom();
Runnable[] throwingActions = {
() -> sr.nextLong(17L, 2L),
() -> sr.nextLong(-42L, -42L),
() -> sr.nextLong(Long.MAX_VALUE, Long.MIN_VALUE),
};
assertThrows(IllegalArgumentException.class, throwingActions);
}
示例8: testNextLongBoundedNeg
import java.util.SplittableRandom; //导入方法依赖的package包/类
/**
* nextLong(negative) throws IllegalArgumentException
*/
@Test(expectedExceptions = IllegalArgumentException.class)
public void testNextLongBoundedNeg() {
SplittableRandom sr = new SplittableRandom();
long f = sr.nextLong(-17);
}
示例9: testNextLongBadBounds
import java.util.SplittableRandom; //导入方法依赖的package包/类
/**
* nextLong(least >= bound) throws IllegalArgumentException
*/
@Test(expectedExceptions = IllegalArgumentException.class)
public void testNextLongBadBounds() {
SplittableRandom sr = new SplittableRandom();
long f = sr.nextLong(17, 2);
}