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-rw-r--r--build/clang-plugin/tests/TestGlobalClass.cpp52
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(&notValid);
+ 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}}
+}