Asserts that executing the target function decreases the monitored value.
The current IAssertScope object
A function that returns a value to monitor
OptionalevalMsg: MsgSource
Optional message to display if the assertion fails
The current IAssertScope.that object with optional .by() chaining
Asserts that executing the target function decreases the monitored value.
The current IAssertScope object
An object containing the property to monitor
The property name to monitor
OptionalevalMsg: MsgSource
Optional message to display if the assertion fails
The current IAssertScope.that object with optional .by() chaining
Asserts that executing the target function decreases the monitored value.
Param: this
The current IAssertScope object
Returns
The current IAssertScope.that object with optional .by() chaining