45 lines
1.7 KiB
Plaintext
45 lines
1.7 KiB
Plaintext
Some constructors of the ``++ArgumentException++``, ``++ArgumentNullException++``, ``++ArgumentOutOfRangeException++`` and ``++DuplicateWaitObjectException++`` classes must be fed with a valid parameter name. This rule raises an issue in two cases:
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* When this parameter name doesn't match any existing ones.
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* When a call is made to the default (parameterless) constructor
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== Noncompliant Code Example
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----
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public void Foo(Bar a, int[] b)
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{
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throw new ArgumentException(); // Noncompliant
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throw new ArgumentException("My error message", "c"); // Noncompliant
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throw new ArgumentException("My error message", "c", innerException); // Noncompliant
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throw new ArgumentNullException("c"); // Noncompliant
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throw new ArgumentNullException("My error message", "c"); // Noncompliant
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throw new ArgumentOutOfRangeException("c");
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throw new ArgumentOutOfRangeException("c", "My error message"); // Noncompliant
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throw new ArgumentOutOfRangeException("c", b, "My error message"); // Noncompliant
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}
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----
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== Compliant Solution
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----
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public void Foo(Bar a, Bar b)
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{
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throw new ArgumentException("My error message", "a");
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throw new ArgumentException("My error message", "b", innerException);
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throw new ArgumentNullException("a");
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throw new ArgumentNullException(nameOf(a));
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throw new ArgumentNullException("My error message", "a");
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throw new ArgumentOutOfRangeException("b");
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throw new ArgumentOutOfRangeException("b", "My error message");
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throw new ArgumentOutOfRangeException("b", b, "My error message");
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}
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----
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== Exceptions
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The rule won't raise an issue if the parameter name is not a constant value (inline declaration, nameof() or const variable).
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