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MSTEST0023: Do not negate boolean assertions

  • Άρθρο
Property Value
Rule ID MSTEST0023
Title Do not negate boolean assertions
Category Usage
Fix is breaking or non-breaking Non-breaking
Enabled by default Yes
Default severity Info
Introduced in version 3.4.0
Is there a code fix No

Cause

This rule raises a diagnostic when a call to Assert.IsTrue or Assert.IsFalse contains a negated argument.

Rule description

MSTest assertion library contains opposite APIs that makes it easier to test true and false cases. It is recommend to use the right API for the right case as it is improving readability and also provides better information in case of failure.

How to fix violations

When negating argument in a Assert.IsTrue call, you should use Assert.IsFalse. When negating argument in a Assert.IsFalse call, you should use Assert.IsTrue.

When to suppress warnings

Do not suppress warnings from this rule.

Suppress a warning

If you just want to suppress a single violation, add preprocessor directives to your source file to disable and then re-enable the rule.

#pragma warning disable MSTEST0023
// The code that's violating the rule is on this line.
#pragma warning restore MSTEST0023

To disable the rule for a file, folder, or project, set its severity to none in the configuration file.

[*.{cs,vb}]
dotnet_diagnostic.MSTEST0023.severity = none

For more information, see How to suppress code analysis warnings.