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99 Commits

Author SHA1 Message Date
Geoffrey White
6552c849f0 C++: Fix BMN issue in cpp/integer-multiplication-cast-to-long. 2026-03-11 17:49:36 +00:00
Geoffrey White
da7da80b2b C++: Add pseudo-buildless test cases (some missing declarations). 2026-03-11 17:47:25 +00:00
Simon Friis Vindum
f5ddb1d51d C++: Remove safeFloor in simple range analysis 2026-01-07 12:49:09 +01:00
Jeroen Ketema
5117b5906b C++: Exclude comparisons from enum constants in `cpp/constant-comparison 2026-01-06 13:53:44 +01:00
Jeroen Ketema
112eaadfae C++: Add another cpp/constant-comparison FP test case 2026-01-06 13:53:43 +01:00
Jeroen Ketema
90d6c9fc56 C++: Exclude more comparisons from cpp/constant-comparison 2026-01-06 13:53:40 +01:00
Jeroen Ketema
509cbf7049 C++: Add cpp/constant-comparison FP test cases after frontend update 2026-01-06 13:53:38 +01:00
erik-krogh
33165f4f55 CPP: update expected output 2022-09-23 14:45:59 +02:00
erik-krogh
a50234adb0 apply suggestion from review 2022-08-23 15:41:37 +02:00
erik-krogh
1a7d3ee831 update expected output after changing queries 2022-08-23 12:35:32 +02:00
erik-krogh
7e0bd5bde4 update expected output of tests 2022-08-22 21:41:47 +02:00
Mathias Vorreiter Pedersen
65c301c39f Update cpp/ql/test/query-tests/Likely Bugs/Arithmetic/BadAdditionOverflowCheck/templates.cpp 
Co-authored-by: Geoffrey White <40627776+geoffw0@users.noreply.github.com>
 2021-12-15 09:22:41 +00:00
Mathias Vorreiter Pedersen
b2082cc3da C++: Fix false positive in 'cpp/cpp/comparison-of-identical-expressions'. 2021-12-14 16:39:25 +00:00
Mathias Vorreiter Pedersen
9d14a85f3f C++: Add false positive. 2021-12-14 16:38:19 +00:00
Anders Fugmann
c110508b4e C++: Add tests to expose potential improvements available to SimpleRangeAnalysis 2021-09-02 21:20:33 +02:00
Cornelius Riemenschneider
7f13d4c356 C++: Improve EscapesTree analysis in the presence of temporary objects. 2020-11-25 10:41:15 +01:00
Cornelius Riemenschneider
e68352bcde C++: Add testcase for false positive. 2020-11-25 10:40:33 +01:00
Geoffrey White
460fbea253 C++: Add some more cases. 2020-10-19 15:54:42 +01:00
Geoffrey White
6280b7d5d4 C++: Add the example code for IntMultToLong to the test. 2020-10-19 15:45:31 +01:00
Jonas Jensen
ad11f76ec6 C++: Always normalize bounds after a computation 
This stops some cases of `-0.0` from propagating through the range
analysis, fixing a false positive on arvidn/libtorrent.

There seems to be no need for a corresponding change in the caller of
`getDefLowerBoundsImpl` since that predicate only contains computations
that cannot introduce negative zero.
 2020-09-11 11:59:00 +02:00
Jonas Jensen
0c8e06ba68 C++: Tests for -0.0 in range analysis 2020-09-11 11:52:39 +02:00
Jonas Jensen
27345c64f3 C++: Also accept PointlessComparison test changes 2020-08-18 09:32:05 +02:00
Jonas Jensen
93d8d8eb1d C++: Demonstrate range analysis MulExpr bugs 
Unless these issues can be reproduced in far less contrived code, I
don't think they will cause problems in practice.
 2020-08-12 12:10:23 +02:00
Jonas Jensen
1ee96a4b4f C++: SimpleRangeAnalysis: unsigned multiplication 2020-08-12 10:03:04 +02:00
Mathias Vorreiter Pedersen
834ad92453 C++: Add test cases for unsigned multiplication and fix missing return value in existing tests 2020-07-14 16:57:47 +02:00
Geoffrey White
a4fa4c859a C++: Fix rounding for >>. 2020-05-11 18:55:01 +01:00
Geoffrey White
b1c32deabc C++: Add some tests with 64-bit values. 2020-05-11 18:54:50 +01:00
Geoffrey White
c8524522c8 C++: Add test cases. 2020-05-06 18:51:50 +01:00
Geoffrey White
2cee756587 C++: Support the mirror case with <=. 2020-03-16 13:22:00 +00:00
Geoffrey White
dcf2f7f19c C++: Add some test cases for the mirror case, with <=. 2020-03-16 13:22:00 +00:00
Geoffrey White
3d8633f701 C++: Additional test cases for the recursive bit of UnsignedGEZero. 2020-03-16 13:22:00 +00:00
Mathias Vorreiter Pedersen
e1942bbee1 C++: Fix false positives 2020-03-13 17:09:57 +01:00
Mathias Vorreiter Pedersen
cc25298f67 C++: Demonstrate false positives when a const variable is initialized in a parameter list 2020-03-13 17:00:54 +01:00
Mathias Vorreiter Pedersen
100ace532f C++: Fixed handling of false negative. Query now supports global variables 2020-01-07 22:57:21 +01:00
Mathias Vorreiter Pedersen
db08076fed C++: Fixed false negative 2020-01-07 22:20:04 +01:00
Mathias Vorreiter Pedersen
229da0a9c0 C++: Add testcase demonstrating false negative 2020-01-07 22:12:34 +01:00
Mathias Vorreiter Pedersen
9ed1510a8c C++: Improved query precision using SimpleRangeAnalysis 2020-01-06 14:16:52 +01:00
Mathias Vorreiter Pedersen
e926966e73 C++: Added more tests 2020-01-03 14:08:12 +01:00
Mathias Vorreiter Pedersen
cea78879b2 C++: Rename variables in tests to reflect their types 2020-01-03 14:07:19 +01:00
Mathias Vorreiter Pedersen
7dbb191531 C++: Improve query precision 2020-01-02 15:53:22 +01:00
Mathias Vorreiter Pedersen
cfb839a8f9 C++: Add test demonstrating the false positive 2020-01-02 15:48:01 +01:00
Geoffrey White
e77fefaf9e Merge pull request #2295 from jbj/self-comparison-templates 
C++: Suppress PointlessSelfComparison.ql on templates
 2019-11-11 14:12:55 +00:00
Jonas Jensen
97cc0ebc8c C++: Suppress PointlessSelfComparison on templates 
It's a bit crude to suppress all results in instantiations, but we're
already using this kind of suppression in `PointlessComparison.ql`
(without the `Self`) because there is no convenient alternative. It
means we lose some good results but also suppress a new false positive
in Boost that surfaced after we added support for non-type template
parameters.
 2019-11-11 14:00:00 +01:00
Jonas Jensen
281d512178 C++: Add tests for self-comparison template FP 2019-11-11 13:52:22 +01:00
Jonas Jensen
f3e691b5ec Merge pull request #2075 from zlaski-semmle/zlaski/cpp434 
[CPP-434] Detect signed overflow checks
 2019-11-09 09:57:23 +01:00
Ziemowit Laski
2bad9394b7 [CPP-434] Squelch alerts for expressions inside macros; try to make Qhelp Jenkins-friendly. 2019-11-01 15:24:22 -07:00
Ziemowit Laski
6ee3d7d788 [CPP-434] Address more comments re .cpp test cases. 2019-10-25 15:50:00 -07:00
Ziemowit Laski
7204e13746 [CPP-434] Address comments re .cpp test cases. 2019-10-25 14:37:28 -07:00
Geoffrey White
e48936244d CPP: Reword the query message. 2019-10-24 16:22:51 +01:00
Ziemowit Laski
ad5aa182df [CPP-434] When analyzing overflow, discard any explicit casts. 
Use the simple range analysis library to detect which
          additions may in fact overflow.
 2019-10-22 15:21:30 -07:00