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90 Commits

Author SHA1 Message Date
chrchr-github 2543dc97d2
Fix FP bitwiseOnBoolean (#4280) 2022-07-14 20:59:39 +02:00
chrchr-github c5dcd49dae
Fix #4233 FN: Bitwise operation with bool and int (#4266) 
* Fix #4233 FN: Bitwise operation with bool and int

* Format
 2022-07-11 22:58:37 +02:00
chrchr-github 176eefcbf3
Fix #10655 FN bitwiseOnBoolean with unseen function (#4214) 2022-06-14 23:08:17 +02:00
chrchr-github 829ca9ab7f
Fix #10935 FP: compareBoolExpressionWithInt with enum and template parameter (#4193) 2022-06-10 20:40:37 +02:00
orbitcowboy d0b7fe887a Added a regression test for #4103 - Comparing Boolean variables (> or <) 2022-05-11 11:30:02 +02:00
chrchr-github 942dbad11c
Fix #7197 not getting expected warning in relational comparison of booleans (#4095) 
* Fix #7197 not getting expected warning in relational comparison of booleans

* return nullptr
 2022-05-11 08:09:32 +02:00
chrchr-github e2bb77f990
Remove severity 'experimental' from checkComparisonOfBoolWithBool() (#4097) 
* Enable experimental check

* Remove experimental

* Don't compare Booleans using relational operators
 2022-05-10 18:25:13 +02:00
Oliver Stöneberg f32583e097
removed OVERRIDE and FINAL defines and use the keywords directly (#3767) 2022-02-10 23:02:24 +01:00
Daniel Marjamäki 3989408738 Update copyright year 2022-02-05 11:45:17 +01:00
Oliver Stöneberg 171da2e6f9
avoid dependency on transitive includes - based on include-what-you-use (#3757) 2022-01-27 19:03:20 +01:00
Paul Fultz II 4b04c86249
Add regression for 9917: false positive: bitwiseOnBoolean when lhs is non-boolean (#3664) 2022-01-02 08:08:28 +01:00
chrchr-github ca311ebcdf
ASSERT() on calls to Tokenizer::tokenize() in test code (#3501) 2021-11-29 07:34:39 +01:00
Paul Fultz II c76e6345c4
Fix FPs in bitwiseOnBoolean (#3455) 2021-09-19 15:20:57 +02:00
Paul Fultz II 7f358b2bed
Format with uncrustify (#3388) 2021-08-07 20:51:18 +02:00
Daniel Marjamäki 42437277dc Update Copyright year 2021-03-21 20:58:32 +01:00
PKEuS 141d2ac215 Refactorization: Improved internal implementation of severity and certainty levels 
Backported from LCppC.
 2021-02-24 22:00:06 +01:00
PKEuS cf1937294a Refactorization: Removed unnecessary \n and spaces in strings 
Merged from LCppC.
 2021-02-20 12:58:42 +01:00
Daniel Marjamäki 8d20d8afb5 Update Copyright year 2020-10-03 09:15:56 +02:00
Daniel Marjamäki b09bcdc38c Use ValueFlow for compareBoolExpressionWithInt 2020-06-27 08:13:22 +02:00
Daniel Marjamäki 330e634937 Revert "TestTrac: Add separate file for black box / integration tests in testrunner" 
This reverts commit e895fa4c3f.
 2020-05-19 07:53:54 +02:00
Daniel Marjamäki e895fa4c3f TestTrac: Add separate file for black box / integration tests in testrunner 2020-05-18 20:22:00 +02:00
Daniel Marjamäki c2f8fb5603 Fixed #9405 (false positive: (style, inconclusive) Boolean expression 'dqOpen' is used in bitwise operation. Did you mean '&&') 2019-12-20 19:38:30 +01:00
Dmitry-Me 571de5844f Improve test coverage for functions returning bool values 2019-12-04 18:12:10 +03:00
Tyson Nottingham 0950a97df2 Fix false negatives in checkBitwiseOnBoolean (#2220) 
* Fix false negatives in checkBitwiseOnBoolean

Use AST-based tests in favor of token-based tests for greater coverage.

* Travis: add suppressions for bitwiseOnBool
 2019-10-06 09:57:31 +02:00
Tyson Nottingham ca5f2562fc Fix false negatives in checkIncrementBoolean (#2210) 
Detect incrementing boolean expressions involving pointer dereferences,
array element accesses, etc.
 2019-09-25 13:07:39 +02:00
Tyson Nottingham d6a70d27c7 Fix false negatives in checkAssignBoolToFloat and minor related improvements (#2198) 
* Fix false negatives in checkAssignBoolToFloat

Detect assignments to expressions involving pointer dereferences, array
element accesses, etc.

* Pass assignment token to assignBoolToFloatError

Pass assignment token rather than boolean token to make error reporting
consistent between checkAssignBoolToFloat and checkAssignBoolToPointer,
as well as with other assignment checks in the code base.

* Make checkAssignBoolToPointer check consistent with checkAssignBoolToFloat
 2019-09-21 08:24:54 +02:00
Daniel Marjamäki 7d63bdee6f astyle formatting 
[ci skip]
 2019-09-02 06:59:07 +02:00
Ken-Patrick d1c6cb9aa5 Fix issue 9304: boolean type of ternary (#2131) 
* Add test cases for 9304

* Fix 9304
 2019-09-01 09:51:53 +02:00
Rikard Falkeborn 0d69a86bf8 Remove debug printout (#1933) 2019-06-28 22:08:32 +02:00
Ken-Patrick 927d139488 Fix FP #9165 (#1928) 
Properly check the type of the expressions, instead of using the type
of the tokens
 2019-06-27 07:48:44 +02:00
Daniel Marjamäki 6d982d4320 Testing: comment/naming 2019-06-15 13:01:34 +02:00
Rikard Falkeborn b970606c93 Add regression test for #7798 (#1847) 
Trac ticket #7798 was fixed in 3f1e2b4270
(More conservative fallback for function overload matching). Add a test
to avoid regressions.
 2019-06-15 11:34:06 +02:00
Rikard Falkeborn dc0e8c214e Fix #9128 (FP in return non bool with class declared in function) (#1830) 
Also break up the tests to smaller tests.
 2019-05-14 08:56:28 +02:00
Rikard Falkeborn 4edc248dae Fix 8840: Don't warn when returning a bitmask as bool (#1818) 
A common pattern is to have a function like similar to this:

	bool isFlagSet(uint32_t f) {
		return f & 0x4;
	}

Warning that the function returns a non-boolean in this case is too
noisy, it would be better suited for a Misra check, so remove the
warnings in the most obvious cases.
 2019-05-02 07:00:27 +02:00
Daniel Marjamäki f40a80c349 Use 'normal' checking instead of 'simplified' 2019-03-16 07:19:48 +01:00
Daniel Marjamäki bd7790fd8c Update copyright year 2019-02-09 07:24:06 +01:00
Daniel Marjamäki 8dd641b8be Use OVERRIDE in test 2019-01-12 15:45:25 +01:00
rikardfalkeborn 869e4ba6ab Add check for return value of boolean function (#1451) 
* Add check for return value of boolean function

The rule for converting an integer to a boolean is that 0 is mapped to
false and everything else is mapped to true. There is nothing wrong with
the following code (according to the standards):

    bool f()
    {
        return -1;
    }

and neither gcc nor clang will warn about it. However, it's a bit
confusing. This commit adds a check that warns when a value other than 0
or 1 is returned from a boolean function (similar to the existing check
that functions with boolean arguments are only passed 0 or 1). Since the
code is perfectly legal, set the severity to "Style".

* Use early continue and remove some braces

* Add testcase with multiple returns

* Avoid null pointer dereference in case of return without operand

* Skip lambdas

Add TODO-test cases that shows FPs when the return type of lambdas are
specified explicitly (this is a problem with findLambdaEndToken).

* Enable testcases
 2018-11-01 11:08:16 +01:00
Daniel Marjamäki 45379a3aa6 Updated copyright year for modified files 
[ci skip]
 2018-06-10 22:07:21 +02:00
IOBYTE ce50df8047 Fix override warnings. (#1234) 2018-05-15 16:37:40 +02:00
Daniel Marjamäki c4caee6b18 Updated copyright year 2018-01-14 15:37:52 +01:00
Ayaz Salikhov 28aa939d69 iwyu - include what you use 2017-05-27 04:33:47 +02:00
Alexander Mai 5c2960713f Correct false positives compareBoolExpressionWithInt (0U) 2016-02-19 21:38:54 +01:00
PKEuS 0847d3d19a ValueType related bugfixes: 
- ptrdiff_t is SIGNED
 - Detect pointers to unknown types as pointers
 - Do not identify bool* as boolean (#7381)
 2016-02-05 20:29:17 +01:00
PKEuS 6215a48dc9 Support member variables in CheckBool::checkAssignBoolToFloat() 2016-02-05 20:28:42 +01:00
PKEuS e71e9bd538 CheckBool: Rely on ValueType, removed a redundant check 2016-02-05 15:48:51 +01:00
Lauri Nurmi 996c9244d8 Update copyright year to 2007-2016. 2016-01-01 15:34:45 +02:00
Daniel Marjamäki 0f9d90d2be Changed Copyrights. Removed my name. 2015-11-18 20:04:50 +01:00
PKEuS 3a5cef8a7e Refactorization: Improved usage of Settings instances in test suite 2015-10-07 18:40:03 +02:00
Simon Martin 311db970c5 Ticket #6665 (dupe of #6588): Added test case. 2015-06-05 23:44:03 +02:00