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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /build/clang-plugin/tests/TestHeapClass.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | build/clang-plugin/tests/TestHeapClass.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/build/clang-plugin/tests/TestHeapClass.cpp b/build/clang-plugin/tests/TestHeapClass.cpp new file mode 100644 index 0000000000..0cdd939250 --- /dev/null +++ b/build/clang-plugin/tests/TestHeapClass.cpp @@ -0,0 +1,64 @@ +#define MOZ_HEAP_CLASS __attribute__((annotate("moz_heap_class"))) +#define MOZ_IMPLICIT __attribute__((annotate("moz_implicit"))) + +#include <stddef.h> + +struct MOZ_HEAP_CLASS Heap { + int i; + Heap() {} + MOZ_IMPLICIT Heap(int a) {} + Heap(int a, int b) {} + void *operator new(size_t x) throw() { return 0; } + void *operator new(size_t blah, char *buffer) { return buffer; } +}; + +template <class T> +struct MOZ_HEAP_CLASS TemplateClass { + T i; +}; + +void gobble(void *) { } + +void gobbleref(const Heap&) { } + +void misuseHeapClass(int len) { + Heap invalid; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in an automatic variable}} + Heap alsoInvalid[2]; // expected-error-re {{variable of type 'Heap{{ ?}}[2]' only valid on the heap}} expected-note {{value incorrectly allocated in an automatic variable}} expected-note-re {{'Heap{{ ?}}[2]' is a heap type because it is an array of heap type 'Heap'}} + static Heap invalidStatic; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}} + static Heap alsoInvalidStatic[2]; // expected-error-re {{variable of type 'Heap{{ ?}}[2]' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}} expected-note-re {{'Heap{{ ?}}[2]' is a heap type because it is an array of heap type 'Heap'}} + + gobble(&invalid); + gobble(&invalidStatic); + gobble(&alsoInvalid[0]); + + gobbleref(Heap()); // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a temporary}} + gobbleref(Heap(10, 20)); // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a temporary}} + gobbleref(Heap(10)); // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a temporary}} + gobbleref(10); // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a temporary}} + + gobble(new Heap); + gobble(new Heap[10]); + gobble(new TemplateClass<int>); + gobble(len <= 5 ? &invalid : new Heap); + + char buffer[sizeof(Heap)]; + gobble(new (buffer) Heap); +} + +Heap invalidStatic; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}} +struct RandomClass { + Heap nonstaticMember; // expected-note {{'RandomClass' is a heap type because member 'nonstaticMember' is a heap type 'Heap'}} + static Heap staticMember; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}} +}; +struct MOZ_HEAP_CLASS RandomHeapClass { + Heap nonstaticMember; + static Heap staticMember; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}} +}; + +struct BadInherit : Heap {}; // expected-note {{'BadInherit' is a heap type because it inherits from a heap type 'Heap'}} +struct MOZ_HEAP_CLASS GoodInherit : Heap {}; + +void useStuffWrongly() { + BadInherit i; // expected-error {{variable of type 'BadInherit' only valid on the heap}} expected-note {{value incorrectly allocated in an automatic variable}} + RandomClass r; // expected-error {{variable of type 'RandomClass' only valid on the heap}} expected-note {{value incorrectly allocated in an automatic variable}} +} |