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MSTEST0010: ClassInitialize method should have valid layout
Learn about code analysis rule MSTEST0010: ClassInitialize method should have valid layout
02/19/2024
MSTEST0010
ClassInitializeShouldBeValidAnalyzer
ClassInitializeShouldBeValidAnalyzer
MSTEST0010
engyebrahim
enjieid

MSTEST0010: ClassInitialize method should have valid layout

Property Value
Rule ID MSTEST0010
Title ClassInitialize method should have valid layout
Category Usage
Fix is breaking or non-breaking Non-breaking
Enabled by default Yes
Default severity Warning
Introduced in version 3.3.0

Cause

A method marked with [ClassInitialize] should have valid layout.

Rule description

Methods marked with [ClassInitialize] should follow the following layout to be valid:

  • it can't be declared on a generic class without the InheritanceBehavior mode is set
  • it should be public
  • it should be static
  • it should not be async void
  • it should not be a special method (finalizer, operator...).
  • it should not be generic
  • it should take one parameter of type TestContext
  • return type should be void, Task or ValueTask

How to fix violations

Ensure that the method matches the layout described above.

When to suppress warnings

Do not suppress a warning from this rule. If you ignore this rule, flagged instances will be either skipped or result in runtime error.