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NUnit

NUnit. Async test method must return Task or Task<T>  

NUnit.

NUnit. Duplicate values.  

NUnit.

NUnit. Ignored parameter attribute.  

NUnit.

NUnit. Implicitly unspecified null values.  

NUnit.

NUnit. Incompatible argument type or incorrect argument value.  

NUnit.

NUnit. Incompatible expected result type or incorrect value.  

NUnit.

NUnit. Incorrect range bounds. 'to' must be greater than or equal to 'from'.  

NUnit.

NUnit. Mismatch of the range step sign.  

NUnit.

NUnit. Missing 'CancelAfter' attribute on test method declaration.  

NUnit.

NUnit. Missing arguments in TestCase attribute.  

NUnit.

NUnit. Missing expected result for non-void test method.  

NUnit.

NUnit. No values provided in the attributes.  

NUnit.

NUnit. Non-public test method.  

NUnit.

NUnit. Range 'step' parameter value must be non-zero.  

NUnit.

NUnit. Redundant argument in TestCase attribute.  

NUnit.

NUnit. Redundant argument instead of ExpectedResult.  

NUnit.

NUnit. Redundant expected result for void test method.  

NUnit.

NUnit. Specified attribute values produce too many tests.  

NUnit.

NUnit. Specified values are not compatible with the test parameter type.  

NUnit.

NUnit. Test case Result property duplicates ExpectedResult.  

NUnit.

NUnit. Test case Result property is obsolete.  

NUnit.

NUnit. Test case source must be field, property, or method.  

NUnit.

NUnit. Test case source must be non-abstract and implement IEnumerable.  

NUnit.

NUnit. Test case source must be static.  

NUnit.

NUnit. The maximum range value is not reachable with the step value.  

NUnit.

NUnit. Values for test method parameters are not provided.  

NUnit.

NUnit. Values in range do not fit the type of the test parameter.  

NUnit.

NUnit.AutoFixture. Incompatible argument type or incorrect argument value.  

NUnit.AutoFixture.

NUnit.AutoFixture. Missing Test or TestFixture attribute.  

NUnit.AutoFixture.

NUnit.AutoFixture. Redundant argument in InlineAutoData attribute.  

NUnit.AutoFixture.

Last modified: 02 March 2026