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Java: document FP

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This commit is contained in:
Anders Schack-Mulligen
2025-06-17 13:37:04 +02:00
parent 73810a6d85
commit 4645856f09
2 changed files with 13 additions and 0 deletions
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10
java/ql/test/query-tests/Nullness/C.java
View File

@@ -244,4 +244,14 @@ public class C {
}
xs[0]++; // OK
}
public void ex18(boolean b, int[] xs, Object related) {
assert (!b && xs == null && related == null) ||
(b && xs != null && related != null) ||
(b && xs == null && related == null);
if (b) {
if (related == null) { return; }
xs[0] = 42; // FP - correlated conditions fails to recognize assert edges
}
}
}

3
java/ql/test/query-tests/Nullness/NullMaybe.expected
View File

@@ -32,6 +32,9 @@
| C.java:207:9:207:11 | obj | Variable $@ may be null at this access because of $@ assignment. | C.java:201:5:201:22 | Object obj | obj | C.java:201:12:201:21 | obj | this |
| C.java:219:9:219:10 | o1 | Variable $@ may be null at this access as suggested by $@ null guard. | C.java:212:20:212:28 | o1 | o1 | C.java:213:9:213:18 | ... == ... | this |
| C.java:233:7:233:8 | xs | Variable $@ may be null at this access because of $@ assignment. | C.java:231:5:231:56 | int[] xs | xs | C.java:231:11:231:55 | xs | this |
| C.java:254:7:254:8 | xs | Variable $@ may be null at this access as suggested by $@ null guard. | C.java:248:31:248:38 | xs | xs | C.java:249:19:249:28 | ... == ... | this |
| C.java:254:7:254:8 | xs | Variable $@ may be null at this access as suggested by $@ null guard. | C.java:248:31:248:38 | xs | xs | C.java:250:18:250:27 | ... != ... | this |
| C.java:254:7:254:8 | xs | Variable $@ may be null at this access as suggested by $@ null guard. | C.java:248:31:248:38 | xs | xs | C.java:251:18:251:27 | ... == ... | this |
| F.java:11:5:11:7 | obj | Variable $@ may be null at this access as suggested by $@ null guard. | F.java:8:18:8:27 | obj | obj | F.java:9:9:9:19 | ... == ... | this |
| F.java:17:5:17:7 | obj | Variable $@ may be null at this access as suggested by $@ null guard. | F.java:14:18:14:27 | obj | obj | F.java:15:9:15:19 | ... == ... | this |
| G.java:20:12:20:12 | s | Variable $@ may be null at this access as suggested by $@ null guard. | G.java:3:27:3:34 | s | s | G.java:5:9:5:17 | ... == ... | this |