codeql/csharp/ql/test/query-tests/EmptyBlock/EmptyBlock.cs at 29fae50f71d384615cda4178482bcb36f90dc14b · michaelnebel/codeql · GitHub

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class EmptyBlock
{
    static void Method(string[] args)
    {
        var result = "";

        // BAD
        foreach (var arg in args)
        {
        }

        // OK - comment
        foreach (var arg in args)
        {
            // comment
        }

        // OK - not empty
        foreach (var arg in args)
        {
            result = result + arg;
        }

        // BAD
        if (true)
        {
        }

        // OK - comment
        if (true)
        {
        }

        // OK - not empty
        if (true)
        {
            result = result + "foo";
        }

        // OK - there is an update
        for (int i = 0; i < 10; ++i)
        {
        }

        // BAD: there is no update
        for (int i = 0; i < 10;)
        {
        }

        // BAD
        if (true)
        {
            // comment
        }
    }
}