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CPP: Add a test of UnusedStaticVariable.ql.

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Geoffrey White
2018-12-05 09:53:58 +00:00
parent 3c00d4be6d
commit e7f19e97cb
3 changed files with 22 additions and 0 deletions
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3
cpp/ql/test/query-tests/Best Practices/Unused Entities/UnusedStaticVariables/UnusedStaticVariables.expected Normal file
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| test.cpp:7:12:7:21 | staticVar5 | Static variable staticVar5 is never read |
| test.cpp:8:12:8:21 | staticVar6 | Static variable staticVar6 is never read |
| test.cpp:9:40:9:49 | staticVar7 | Static variable staticVar7 is never read |

1
cpp/ql/test/query-tests/Best Practices/Unused Entities/UnusedStaticVariables/UnusedStaticVariables.qlref Normal file
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Best Practices/Unused Entities/UnusedStaticVariables.ql

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cpp/ql/test/query-tests/Best Practices/Unused Entities/UnusedStaticVariables/test.cpp Normal file
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int globalVar; // GOOD (not static)
static int staticVar1; // GOOD (used)
static int staticVar2; // GOOD (used)
static int staticVar3 = 3; // GOOD (used)
static int staticVar4 = staticVar3; // GOOD (used)
static int staticVar5; // BAD (unused)
static int staticVar6 = 6; // BAD (unused)
static __attribute__((__unused__)) int staticVar7; // GOOD (unused but this is expected) [FALSE POSITIVE]
void f()
{
int *ptr = &staticVar4;
staticVar1 = staticVar2;
(*ptr) = 0;
}