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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /build/clang-plugin/tests/TestGlobalClass.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | build/clang-plugin/tests/TestGlobalClass.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/build/clang-plugin/tests/TestGlobalClass.cpp b/build/clang-plugin/tests/TestGlobalClass.cpp new file mode 100644 index 0000000000..7ce9c8d463 --- /dev/null +++ b/build/clang-plugin/tests/TestGlobalClass.cpp @@ -0,0 +1,52 @@ +#define MOZ_GLOBAL_CLASS __attribute__((annotate("moz_global_class"))) +#include <stddef.h> + +struct MOZ_GLOBAL_CLASS Global { + int i; + void *operator new(size_t x) throw() { return 0; } + void *operator new(size_t blah, char *buffer) { return buffer; } +}; + +template <class T> +struct MOZ_GLOBAL_CLASS TemplateClass { + T i; +}; + +void gobble(void *) { } + +void misuseGlobalClass(int len) { + Global notValid; // expected-error {{variable of type 'Global' only valid as global}} expected-note {{value incorrectly allocated in an automatic variable}} + Global alsoNotValid[2]; // expected-error-re {{variable of type 'Global{{ ?}}[2]' only valid as global}} expected-note-re {{'Global{{ ?}}[2]' is a global type because it is an array of global type 'Global'}} expected-note {{value incorrectly allocated in an automatic variable}} + static Global valid; + static Global alsoValid[2]; + + gobble(¬Valid); + gobble(&valid); + gobble(&alsoValid[0]); + + gobble(new Global); // expected-error {{variable of type 'Global' only valid as global}} expected-note {{value incorrectly allocated on the heap}} + gobble(new Global[10]); // expected-error {{variable of type 'Global' only valid as global}} expected-note {{value incorrectly allocated on the heap}} + gobble(new TemplateClass<int>); // expected-error {{variable of type 'TemplateClass<int>' only valid as global}} expected-note {{value incorrectly allocated on the heap}} + gobble(len <= 5 ? &valid : new Global); // expected-error {{variable of type 'Global' only valid as global}} expected-note {{value incorrectly allocated on the heap}} + + char buffer[sizeof(Global)]; + gobble(new (buffer) Global); +} + +Global valid; +struct RandomClass { + Global nonstaticMember; // expected-note {{'RandomClass' is a global type because member 'nonstaticMember' is a global type 'Global'}} + static Global staticMember; +}; +struct MOZ_GLOBAL_CLASS RandomGlobalClass { + Global nonstaticMember; + static Global staticMember; +}; + +struct BadInherit : Global {}; // expected-note {{'BadInherit' is a global type because it inherits from a global type 'Global'}} +struct MOZ_GLOBAL_CLASS GoodInherit : Global {}; + +void misuseGlobalClassEvenMore(int len) { + BadInherit moreInvalid; // expected-error {{variable of type 'BadInherit' only valid as global}} expected-note {{value incorrectly allocated in an automatic variable}} + RandomClass evenMoreInvalid; // expected-error {{variable of type 'RandomClass' only valid as global}} expected-note {{value incorrectly allocated in an automatic variable}} +} |