slcoverage.FilterRule class

Package: slcoverage

Create coverage filtering rule


Create a coverage filtering rule that includes the selector and the rationale for filtering.


rule = slcoverage.FilterRule(selector,rationale) creates the filter rule object rule using the specified selector and rationale text.

rule = slcoverage.FilterRule(selector,rationale,mode) specifies whether the filter mode for this rule is justify or exclude. You can use only justify (the default) with metric selectors.

Input Arguments

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Selector that determines the objects that this rule applies to, specified as an slcoverage.BlockSelector object, slcoverage.MetricSelector object, or slcoverage.SFcnSelector object.

Reason for adding the rule, specified as a character vector.

Example: 'value is never less than 0'

Filter mode for this rule, specified as slcoverage.FilterMode.Justify or slcoverage.FilterMode.Exclude.


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This property is read-only.

Filter mode that was specified for this rule, returned as Justify or Exclude.

This property is read-only.

Rationale text specified for this rule, returned as a character vector.

This property is read-only.

Selector object for this rule, returned as a slcoverage.BlockSelector object, slcoverage.SFcnSelector object, or slcoverage.SFcnSelector object.

Copy Semantics

Handle. To learn how handle classes affect copy operations, see Copying Objects (MATLAB).


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Create a block selector object and a rule for it. Then add the rule to a filter.

Open the model. Specify coverage settings and turn on coverage recording.

modelName = 'sldemo_lct_bus';

Select blocks with block type 'RelationalOperator' to add a filter rule for.

bl = slcoverage.BlockSelector(slcoverage.BlockSelectorType.BlockType,'RelationalOperator');

Create a filter object, create a rule, and add the rule to the filter. This rule excludes the selection from coverage analysis.

filt = slcoverage.Filter;
rule = slcoverage.FilterRule(bl,'Tested elsewhere',slcoverage.FilterMode.Exclude);

Introduced in R2017b

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