| import org.checkerframework.checker.index.qual.*; |
| import org.checkerframework.common.value.qual.*; |
| |
| public class ParserOffsetTest { |
| |
| public void subtraction1(String[] a, @IndexFor("#1") int i) { |
| int length = a.length; |
| if (i >= length - 1 || a[i + 1] == null) { |
| // body is irrelevant |
| } |
| } |
| |
| public void addition1(String[] a, @IndexFor("#1") int i) { |
| int length = a.length; |
| if ((i + 1) >= length || a[i + 1] == null) { |
| // body is irrelevant |
| } |
| } |
| |
| public void subtraction2(String[] a, @IndexFor("#1") int i) { |
| if (i < a.length - 1) { |
| @IndexFor("a") int j = i + 1; |
| } |
| } |
| |
| public void addition2(String[] a, @IndexFor("#1") int i) { |
| if ((i + 1) < a.length) { |
| @IndexFor("a") int j = i + 1; |
| } |
| } |
| |
| public void addition3(String[] a, @IndexFor("#1") int i) { |
| if ((i + 5) < a.length) { |
| @IndexFor("a") int j = i + 5; |
| } |
| } |
| |
| @SuppressWarnings("lowerbound") |
| public void subtraction3(String[] a, @NonNegative int k) { |
| if (k - 5 < a.length) { |
| String s = a[k - 5]; |
| @IndexFor("a") int j = k - 5; |
| } |
| } |
| |
| @SuppressWarnings("lowerbound") |
| public void subtraction4(String[] a, @IndexFor("#1") int i) { |
| if (1 - i < a.length) { |
| // The error on this assignment is a false positive. |
| // :: error: (assignment) |
| @IndexFor("a") int j = 1 - i; |
| |
| // :: error: (assignment) |
| @LTLengthOf(value = "a", offset = "1") int k = i; |
| } |
| } |
| |
| @SuppressWarnings("lowerbound") |
| public void subtraction5(String[] a, int i) { |
| if (1 - i < a.length) { |
| // :: error: (assignment) |
| @IndexFor("a") int j = i; |
| } |
| } |
| |
| @SuppressWarnings("lowerbound") |
| public void subtraction6(String[] a, int i, int j) { |
| if (i - j < a.length - 1) { |
| @IndexFor("a") int k = i - j; |
| // :: error: (assignment) |
| @IndexFor("a") int k1 = i; |
| } |
| } |
| |
| public void multiplication1(String[] a, int i, @Positive int j) { |
| if ((i * j) < (a.length + j)) { |
| // :: error: (assignment) |
| @IndexFor("a") int k = i; |
| // :: error: (assignment) |
| @IndexFor("a") int k1 = j; |
| } |
| } |
| |
| public void multiplication2(String @ArrayLen(5) [] a, @IntVal(-2) int i, @IntVal(20) int j) { |
| if ((i * j) < (a.length - 20)) { |
| @LTLengthOf("a") int k1 = i; |
| // :: error: (assignment) |
| @LTLengthOf(value = "a", offset = "20") int k2 = i; |
| // :: error: (assignment) |
| @LTLengthOf("a") int k3 = j; |
| } |
| } |
| } |