fn java_single_class()

in src/metrics/wmc.rs [164:220]

• 53 lines of code
• 9 McCabe index (conditional complexity)

    fn java_single_class() {
        check_metrics::<JavaParser>(
            "public class Example { // wmc = 13

                public boolean m1(boolean a, boolean b) { // +1
                    boolean r = false;
                    if (a && b == a || b) { // +3
                        r = true;
                    }
                    return r;
                }

                public boolean m2(int n) { // +1
                    for (int i = 0; i < n; i++) { // +1
                        int j = n;
                        while (j > i) { // +1
                            j--;
                        }
                    }
                    return (n % 2 == 0) ? true : false; // +1
                }

                public int m3(int x, int y, int z) { // +1
                    int ret;
                    try {
                        z = x/y + y/x;
                    } catch (ArithmeticException e) { // +1
                        z = (x == 0) ? -1 : -2; // +1
                    }
                    switch (z) {
                        case -1: // +1
                            ret = y * y;
                            break;
                        case -2: // +1
                            ret = x * x;
                            break;
                        default:
                            ret = x + y;
                    }
                    return ret;
                }
            }",
            "foo.java",
            |metric| {
                // 1 class
                insta::assert_json_snapshot!(
                    metric.wmc,
                    @r###"
                    {
                      "classes": 13.0,
                      "interfaces": 0.0,
                      "total": 13.0
                    }"###
                );
            },
        );
    }