Assert

Allows adding run-time checks to assert the validity of predicates that should hold true in a process.
Whenever the condition specified in an Assert fails, an error will occur to indicate the fact and the process will halt.

Properties

Assertion

The type of assertion to evaluate.

Message

The message to include in the error when the assertion fails.

See the Assertion list below for additional properties that apply to specific types of assertions.

Assertions

Are equal

Verifies that the two values specified are equal.

Properties
  1. Expected - The expected value.
  2. Actual - The actual value.
  3. Tolerance - Optional. In case the values are numeric, this specifies the maximum acceptable difference between the expected and actual values.

Are not equal

Verifies that the two items specified hold different values.

Properties
  1. Expected - The expected value.
  2. Actual - The actual value.

Contains

Asserts that the specified item is contained in the given list.

Properties
  1. Item - The item to look for in the list.
  2. List - The list to search in for the specified item.

Greater

Verifies that the first value is greater than the second value.

Properties
  1. X - The first value, expected to be greater.
  2. Y - The second value, expected to be less than the first.

Greater or equal

Verifies that the first value is greater than or equal to the second value.

Properties
  1. X - The first value, expected to be greater or equal.
  2. Y - The second value, expected to be less than or equal to the first.

Less

Verifies that the first value is less than the second value.

Properties
  1. X - The first value, expected to be less.
  2. Y - The second value, expected to be greater than the first.

Less or equal

Verifies that the first value is less than or equal to the second value.

Properties
  1. X - The first value, expected to be less than or equal.
  2. Y - The second value, expected to be greater than or equal to the first.

Is true

Asserts that a condition is true.

Properties
  1. Condition - The condition to evaluate.

Is false

Asserts that a condition is false.

Properties
  1. Condition - The condition to evaluate.

Is null

Verifies that the item provided holds a null-value.

Properties
  1. Item - The item to test for null.

Is not null

Verifies that the item provided does hold a value and is not null.

Properties
  1. Item - The item to test for null.

Is empty

Asserts that a list or string is empty.

Properties
  1. Item - The list or string to test for.

Is not empty

Asserts that a list or string is not empty.

Properties
  1. Item - The list or string to test for.

Fail

Fails unconditionally. Use to verify that a specific part of a process never executes.

Wikipedia: Assertion