Package org.eclipse.epsilon.internal.eunit.dt.diff

Class StringBasedDifferenceViewer

java.lang.Object

org.eclipse.epsilon.internal.eunit.dt.diff.StringBasedDifferenceViewer

All Implemented Interfaces:

IDifferenceViewer

public class StringBasedDifferenceViewer
extends Object
implements IDifferenceViewer

Fallback difference viewer which converts both arguments to strings and then compares them. If the delta is not null, this viewer will be disabled.

Author:

Antonio Garcia-Dominguez

Field Summary

Fields inherited from interface org.eclipse.epsilon.eunit.dt.diff.IDifferenceViewer

EXTENSION_POINT_ID

Constructor Summary

Constructors

Constructor	Description
StringBasedDifferenceViewer()

Method Summary

Modifier and Type	Method	Description
boolean	canCompare(Object expected, Object actual, Object delta)	Returns true if this viewer can show the differences between the expected and the actual results.
void	compare(Object expected, Object actual, Object delta)	Shows the differences between the expected and actual values, which might have been precomputed or not.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StringBasedDifferenceViewer

public StringBasedDifferenceViewer()

Method Detail

canCompare

public boolean canCompare(Object expected,
                          Object actual,
                          Object delta)

Description copied from interface: IDifferenceViewer

Returns true if this viewer can show the differences between the expected and the actual results. This method will be called from the SWT thread.

Specified by:

canCompare in interface IDifferenceViewer

Parameters:

expected - Expected value.

actual - Actual value.

delta - Precomputed differences, if available. Otherwise, null.

Returns:

true if this instance can either:

• compute and show the differences between expected and actual
• , or b) show the precomputed differences in delta.

Otherwise, returns false.

compare

public void compare(Object expected,
                    Object actual,
                    Object delta)

Description copied from interface: IDifferenceViewer

Shows the differences between the expected and actual values, which might have been precomputed or not. This method will be called from the SWT thread. This method should only be called if IDifferenceViewer.canCompare(java.lang.Object, java.lang.Object, java.lang.Object) returned true with the same parameters.

Specified by:

compare in interface IDifferenceViewer

Parameters:

expected - Expected value.

actual - Actual value.

delta - Precomputed difference, if available. Otherwise, null.