checker/tests/index/UncheckedMinLen.java

import org.checkerframework.checker.index.qual.NonNegative;
import org.checkerframework.checker.index.qual.Positive;
import org.checkerframework.common.value.qual.IntRange;
import org.checkerframework.common.value.qual.MinLen;

// test case for kelloggm#183: https://github.com/kelloggm/checker-framework/issues/183

public class UncheckedMinLen {
  void addToNonNegative(@NonNegative int l, Object v) {
    // :: error: (assignment)
    Object @MinLen(100) [] o = new Object[l + 1];
    o[99] = v;
  }

  void addToPositive(@Positive int l, Object v) {
    // :: error: (assignment)
    Object @MinLen(100) [] o = new Object[l + 1];
    o[99] = v;
  }

  void addToUnboundedIntRange(@IntRange(from = 0) int l, Object v) {
    // :: error: (assignment)
    Object @MinLen(100) [] o = new Object[l + 1];
    o[99] = v;
  }

  // Similar code that correctly gives warnings
  void addToPositiveOK(@NonNegative int l, Object v) {
    Object[] o = new Object[l + 1];
    // :: error: (array.access.unsafe.high.constant)
    o[99] = v;
  }

  void addToBoundedIntRangeOK(@IntRange(from = 0, to = 1) int l, Object v) {
    // :: error: (assignment)
    Object @MinLen(100) [] o = new Object[l + 1];
    o[99] = v;
  }

  void subtractFromPositiveOK(@Positive int l, Object v) {
    // :: error: (assignment)
    Object @MinLen(100) [] o = new Object[l - 1];
    o[99] = v;
  }
}