'Assert' does not contain a definition for 'AreEqual'

The name 'CollectionAssert' does not exist in the current context

The name 'CollectionAssert' does not exist in the current context

'Assert' does not contain a definition for 'AreEqual'

'Assert' does not contain a definition for 'AreEqual'

'Assert' does not contain a definition for 'AreEqual'

'Assert' does not contain a definition for 'AreEqual'

'Assert' does not contain a definition for 'AreEqual'

'Assert' does not contain a definition for 'AreEqual'

The name 'CollectionAssert' does not exist in the current context

Dereference of a possibly null reference.

Possible null reference assignment.

Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly and is not mutating the passed array (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1861)

Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly and is not mutating the passed array (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1861)

Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly and is not mutating the passed array (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1861)

Dereference of a possibly null reference.

Possible null reference assignment.

Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly and is not mutating the passed array (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1861)

Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly and is not mutating the passed array (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1861)