Expressions
At run time, when a breakpoint is encountered or when execution is paused, this tab enables you to create an expression comprising variables defined up to that moment, and evaluates that expression ( Figure:Expressions Tab).
Figure:Expressions Tab
When clicking into the Expression column, the Expression Builder window appears and enables you to create an expression using TestComposer variables and Tcl constructs, as described in Using the Composer Expression Builder.
The evaluated expression need to be prefixed by the standard Tcl command for expression evaluation, expr. For example, assuming you had a variable named var1 and wished to test whether its value equals 21, you would then have to type the expr $var1==21 command into the Expression field.
When working with multiple scripts opened at the same time in the GUI (MDI functionality), this tab displays information for the currently executing test script.
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