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C++: Add testcase for false positive.

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This commit is contained in:
Cornelius Riemenschneider
2020-11-24 12:14:46 +01:00
parent cafe55f5c7
commit e68352bcde
2 changed files with 9 additions and 0 deletions
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1
cpp/ql/test/query-tests/Likely Bugs/Arithmetic/PointlessComparison/PointlessComparison.expected
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@@ -50,4 +50,5 @@
| PointlessComparison.cpp:43:6:43:29 | ... >= ... | Comparison is always true because ... >> ... >= 140737488355327.5. |
| PointlessComparison.cpp:44:6:44:28 | ... >= ... | Comparison is always true because ... >> ... >= 140737488355327.5. |
| RegressionTests.cpp:57:7:57:22 | ... <= ... | Comparison is always true because * ... <= 4294967295. |
| RegressionTests.cpp:125:7:125:11 | ... > ... | Comparison is always false because x <= 0. |
| Templates.cpp:9:10:9:24 | ... <= ... | Comparison is always true because local <= 32767. |

8
cpp/ql/test/query-tests/Likely Bugs/Arithmetic/PointlessComparison/RegressionTests.cpp
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@@ -116,3 +116,11 @@ void negativeZero4(int val) {
if (val == 0) // GOOD [NO LONGER REPORTED]
;
}
void f(int *const &ref_to_ptr);
void testTempObject() {
int x = 0;
f(&x);
if (x > 0) {} // BAD [FALSE POSITIVE]
}