Checkpoints in QTP

Checkpoints are used to verify the runtime value against the predefined value in a Test. Checkpoint are used to set pass/fail status in the Test Results file.
We have different types of checkpoints in QTP.

Standard Checkpoints:
Standard Checkpoints are used to verify a set of property values of standard objects.
Examples: Buttons,Radio Buttons, CheckBoxes etc.

Image Checkpoints:
Image checkpoints are used to verify a set of property values image objects.
Example: Image location, width, height etc.

Bitmap Checkpoints:
Bitmap checkpoints are used to compare the on screen bit map image with the bitmap already captured.
Example: Pixel by pixel comparison of on screen bit map with existing bit map

Table Checkpoints:
Table checkpoints are used to compare the value of table displayed on the screen with the predefined values.

Text Checkpoints:
Text checkpoints are used to compare the text displayed on the application with the expected text.

TextArea Checkpoint:
This checkpoint is used to verify whether the text is displayed in a specified area on the application.

Accessibility Checkpoint:
This checkpoint is used to verify whether the areas in a web application that do not comly with W3C standards.

Page Checkpoints:
These checkpoints are used to verify the properties on a page.
Example: Links, Page Load Time etc.

DataBase Checkpoints:
These checkpoints are used to validate the database entry specified in the checkpoint.

XML Checkpoints:
Used to validate the contents of a XML file.