Java Utililty Methods Assert

List of utility methods to do Assert

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Description

The list of methods to do Assert are organized into topic(s).

Method

voidassertIOThread(Thread t, boolean flag)
assert IO Thread 
if (flag) {
    assert t.equals(Thread.currentThread()) : "Management NOT on IO thread when expected"; 
} else {
    assert !(t.equals(Thread.currentThread())) : "Management on IO thread when not expected";
voidassertIsClass(Class klazz)
assert Is Class 
assertionIllegalArgument(isClass(klazz), "Type " + klazz + " must not be an interface.");
voidassertIsNotEmptyString(String string)
assert Is Not Empty String 
if (string.isEmpty()) {
    throw new IllegalArgumentException("string can't be empty.");
voidassertIsPermutation(int[] perm)
assert Is Permutation 
boolean hit[] = new boolean[perm.length];
for (int i : perm) {
    assert !hit[i];
    hit[i] = true;
intassertIsPositive(int num, String fieldName)
Asserts that the given number is positive (non-negative and non-zero). 
if (num <= 0) {
    throw new IllegalArgumentException(String.format("%s must be positive", fieldName));
return num;
voidassertIsProb(double x)
assert Is Prob 
assert isProb(x) : "Not a probability [0, 1]: " + x;
voidassertIsProbability(final double probability)
Checks to make sure that probability is between 0.0 and 1.0. 
if (probability < 0.0 || probability > 1.0) {
    throw new IllegalArgumentException("Probability (" + probability + ") must be in [0.0, 1.0]");
voidassertIsProperlyQuoted(String header, String tag)
assert Is Properly Quoted 
if (tag.length() < 2 || !tag.startsWith(QUOTATION_MARK) || !tag.endsWith(QUOTATION_MARK)) {
    throw new IllegalArgumentException(MISFORMATTED_ENTITY_TAG + header);
voidassertIsReady()
assert Is Ready 
if (!ready) {
    throw new IllegalStateException("System is not ready for remote calls. "
            + "When beans are making remote calls in initialization, it's better to "
            + "implement io.servicecomb.core.BootListener and do it after EventType.AFTER_REGISTRY.");
voidassertLegal(Object underAssertion, String message)
assert Legal 
assertionIllegalArgument(underAssertion != null, message);