fn java_real_class()

in src/metrics/cyclomatic.rs [504:554]

• 49 lines of code
• 7 McCabe index (conditional complexity)

    fn java_real_class() {
        check_metrics::<JavaParser>(
            "
            public class Matrix { // +2 (+1 unit space)
                private int[][] m = new int[5][5];

                public void init() { // +1
                    for (int i = 0; i < m.length; i++) { // +1
                        for (int j = 0; j < m[i].length; j++) { // +1
                            m[i][j] = i * j;
                        }
                    }
                }
                public int compute(int i, int j) { // +1
                    try {
                        return m[i][j] / m[j][i];
                    } catch (ArithmeticException e) { // +1
                        return -1;
                    } catch (ArrayIndexOutOfBoundsException e) { // +1
                        return -2;
                    }
                }
                public void print(int result) { // +1
                    switch (result) {
                        case -1: // +1
                            System.out.println(\"Division by zero\");
                            break;
                        case -2: // +1
                            System.out.println(\"Wrong index number\");
                            break;
                        default:
                            System.out.println(\"The result is \" + result);
                    }
                }
            }",
            "foo.java",
            |metric| {
                // nspace = 5 (unit, class and 3 methods)
                insta::assert_json_snapshot!(
                    metric.cyclomatic,
                    @r###"
                    {
                      "sum": 11.0,
                      "average": 2.2,
                      "min": 1.0,
                      "max": 3.0
                    }"###
                );
            },
        );
    }