org.scalatest

StackDepth

trait StackDepth extends AnyRef

Trait that encapsulates the information required of an exception thrown by ScalaTest's assertions and matchers, which includes a stack depth at which the failing line of test code resides.

This trait exists so that it can be mixed into two exception superclasses, StackDepthException, from which extend several exceptions that do not depend on JUnit, and JUnitTestFailedError, which does depend on JUnit. The latter, which requires JUnit be in the classpath, ensures failed ScalaTest assertions are reported as "failures," not "errors," by JUnit.

known subclasses: StackDepthException, JUnitTestFailedError

Inherits

  1. AnyRef
  2. Any

Value Members

  1. val cause: Option[Throwable]

    An optional cause, the Throwable that caused this StackDepth exception to be thrown

    An optional cause, the Throwable that caused this StackDepth exception to be thrown.

    attributes: abstract
  2. def equals(arg0: Any): Boolean

    This method is used to compare the receiver object (this) with the argument object (arg0) for equivalence

    This method is used to compare the receiver object (this) with the argument object (arg0) for equivalence.

    The default implementations of this method is an equivalence relation:

    • It is reflexive: for any instance x of type Any, x.equals(x) should return true.
    • It is symmetric: for any instances x and y of type Any, x.equals(y) should return true if and only if y.equals(x) returns true.
    • It is transitive: for any instances x, y, and z of type AnyRef if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.

    If you override this method, you should verify that your implementation remains an equivalence relation. Additionally, when overriding this method it is often necessary to override hashCode to ensure that objects that are "equal" (o1.equals(o2) returns true) hash to the same Int (o1.hashCode.equals(o2.hashCode)).

    arg0

    the object to compare against this object for equality.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    definition classes: AnyRef ⇐ Any
  3. val failedCodeFileNameAndLineNumberString: Option[String]

    A string that provides the filename and line number of the line of code that failed, suitable for presenting to a user, which is taken from this exception's StackTraceElement at the depth specified by failedCodeStackDepth

    A string that provides the filename and line number of the line of code that failed, suitable for presenting to a user, which is taken from this exception's StackTraceElement at the depth specified by failedCodeStackDepth.

  4. val failedCodeStackDepth: Int

    The depth in the stack trace of this exception at which the line of test code that failed resides

    The depth in the stack trace of this exception at which the line of test code that failed resides.

    attributes: abstract
  5. def hashCode(): Int

    Returns a hash code value for the object

    Returns a hash code value for the object.

    The default hashing algorithm is platform dependent.

    Note that it is allowed for two objects to have identical hash codes (o1.hashCode.equals(o2.hashCode)) yet not be equal (o1.equals(o2) returns false). A degenerate implementation could always return 0. However, it is required that if two objects are equal (o1.equals(o2) returns true) that they have identical hash codes (o1.hashCode.equals(o2.hashCode)). Therefore, when overriding this method, be sure to verify that the behavior is consistent with the equals method.

    definition classes: AnyRef ⇐ Any
  6. val message: Option[String]

    An optional detail message for this StackDepth exception

    An optional detail message for this StackDepth exception.

    attributes: abstract
  7. def toString(): String

    Returns a string representation of the object

    Returns a string representation of the object.

    The default representation is platform dependent.

    definition classes: AnyRef ⇐ Any