ExampleUsage.java

@SuppressWarnings("array.access.unsafe.high")
public class ExampleUsage {
    /**
     * this class contains a set of test methods that are supposed to show how the lowerbound
     * checker should work in practice. They contain no annotations - the only test is whether or
     * not it alarms on particular code constructs that are or are not safe
     */
    void safe_loop_const() {
        int[] arr = new int[5];
        int k;
        for (int i = 0; i < 5; i++) {
            k = arr[i];
        }
    }

    void safe_loop_spooky() {
        int[] arr = new int[5];
        int k;
        for (int i = -1; i < 4; ) {
            i++;
            k = arr[i];
        }
    }

    void obviously_unsafe_loop() {
        int[] arr = new int[5];
        int k;
        for (int i = -1; i < 5; i++) {
            //:: error: (array.access.unsafe.low)
            k = arr[i];
        }
    }
}
//a comment