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CPP: Add a test demonstating when a deallocator call exists.

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This commit is contained in:
Alex Eyers-Taylor
2023-08-25 14:09:53 +01:00
parent 027ed5e909
commit d699201ad0
2 changed files with 11 additions and 7 deletions
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10
cpp/ql/test/library-tests/allocators/allocators.expected
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@@ -34,11 +34,11 @@ newArrayExprDeallocators
| allocators.cpp:108:3:108:19 | new[] | FailedInit | void FailedInit::operator delete[](void*, size_t) | 1 | 1 | sized |
| allocators.cpp:110:3:110:37 | new[] | FailedInitOveraligned | void FailedInitOveraligned::operator delete[](void*, std::align_val_t, float) | 128 | 128 | aligned |
deleteExprs
| allocators.cpp:59:3:59:35 | delete | int | void operator delete(void*, unsigned long) | 4 | 4 | sized |
| allocators.cpp:60:3:60:38 | delete | String | void operator delete(void*, unsigned long) | 8 | 8 | sized |
| allocators.cpp:61:3:61:44 | delete | SizedDealloc | void SizedDealloc::operator delete(void*, size_t) | 32 | 1 | sized |
| allocators.cpp:62:3:62:43 | delete | Overaligned | void operator delete(void*, unsigned long, std::align_val_t) | 256 | 128 | sized aligned |
| allocators.cpp:64:3:64:44 | delete | const String | void operator delete(void*, unsigned long) | 8 | 8 | sized |
| allocators.cpp:59:3:59:35 | delete | int | void operator delete(void*, unsigned long) | 4 | 4 | sized | false |
| allocators.cpp:60:3:60:38 | delete | String | void operator delete(void*, unsigned long) | 8 | 8 | sized | false |
| allocators.cpp:61:3:61:44 | delete | SizedDealloc | void SizedDealloc::operator delete(void*, size_t) | 32 | 1 | sized | true |
| allocators.cpp:62:3:62:43 | delete | Overaligned | void operator delete(void*, unsigned long, std::align_val_t) | 256 | 128 | sized aligned | false |
| allocators.cpp:64:3:64:44 | delete | const String | void operator delete(void*, unsigned long) | 8 | 8 | sized | false |
deleteArrayExprs
| allocators.cpp:78:3:78:37 | delete[] | int | void operator delete[](void*, unsigned long) | 4 | 4 | sized |
| allocators.cpp:79:3:79:40 | delete[] | String | void operator delete[](void*, unsigned long) | 8 | 8 | sized |

8
cpp/ql/test/library-tests/allocators/allocators.ql
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@@ -77,7 +77,8 @@ query predicate newArrayExprDeallocators(
}
query predicate deleteExprs(
DeleteExpr expr, string type, string sig, int size, int alignment, string form
DeleteExpr expr, string type, string sig, int size, int alignment, string form,
boolean hasDeallocatorCall
) {
exists(Function deallocator, Type deletedType |
expr.getDeallocator() = deallocator and
@@ -90,7 +91,10 @@ query predicate deleteExprs(
(if expr.hasAlignedDeallocation() then aligned = "aligned" else aligned = "") and
(if expr.hasSizedDeallocation() then sized = "sized" else sized = "") and
form = sized + " " + aligned
)
) and
if exists(expr.getDeallocatorCall())
then hasDeallocatorCall = true
else hasDeallocatorCall = false
)
}