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-rw-r--r--indra/llcommon/tests/llsingleton_test.cpp133
1 files changed, 132 insertions, 1 deletions
diff --git a/indra/llcommon/tests/llsingleton_test.cpp b/indra/llcommon/tests/llsingleton_test.cpp
index 56886bc73f..75ddff9d7d 100644
--- a/indra/llcommon/tests/llsingleton_test.cpp
+++ b/indra/llcommon/tests/llsingleton_test.cpp
@@ -29,7 +29,8 @@
#include "llsingleton.h"
#include "../test/lltut.h"
-
+#include "wrapllerrs.h"
+#include "llsd.h"
// Capture execution sequence by appending to log string.
std::string sLog;
@@ -198,4 +199,134 @@ namespace tut
TESTS(A, B, 4, 5, 6, 7)
TESTS(B, A, 8, 9, 10, 11)
+
+#define PARAMSINGLETON(cls) \
+ class cls: public LLParamSingleton<cls> \
+ { \
+ LLSINGLETON(cls, const LLSD::String& str): mDesc(str) {} \
+ cls(LLSD::Integer i): mDesc(i) {} \
+ \
+ public: \
+ std::string desc() const { return mDesc.asString(); } \
+ \
+ private: \
+ LLSD mDesc; \
+ }
+
+ // Declare two otherwise-identical LLParamSingleton classes so we can
+ // validly initialize each using two different constructors. If we tried
+ // to test that with a single LLParamSingleton class within the same test
+ // program, we'd get 'trying to use deleted LLParamSingleton' errors.
+ PARAMSINGLETON(PSing1);
+ PARAMSINGLETON(PSing2);
+
+ template<> template<>
+ void singleton_object_t::test<12>()
+ {
+ set_test_name("LLParamSingleton");
+
+ WrapLLErrs catcherr;
+ // query methods
+ ensure("false positive on instanceExists()", ! PSing1::instanceExists());
+ ensure("false positive on wasDeleted()", ! PSing1::wasDeleted());
+ // try to reference before initializing
+ std::string threw = catcherr.catch_llerrs([](){
+ (void)PSing1::instance();
+ });
+ ensure_contains("too-early instance() didn't throw", threw, "Uninitialized");
+ // getInstance() behaves the same as instance()
+ threw = catcherr.catch_llerrs([](){
+ (void)PSing1::getInstance();
+ });
+ ensure_contains("too-early getInstance() didn't throw", threw, "Uninitialized");
+ // initialize using LLSD::String constructor
+ PSing1::initParamSingleton("string");
+ ensure_equals(PSing1::instance().desc(), "string");
+ ensure("false negative on instanceExists()", PSing1::instanceExists());
+ // try to initialize again
+ threw = catcherr.catch_llerrs([](){
+ PSing1::initParamSingleton("again");
+ });
+ ensure_contains("second ctor(string) didn't throw", threw, "twice");
+ // try to initialize using the other constructor -- should be
+ // well-formed, but illegal at runtime
+ threw = catcherr.catch_llerrs([](){
+ PSing1::initParamSingleton(17);
+ });
+ ensure_contains("other ctor(int) didn't throw", threw, "twice");
+ PSing1::deleteSingleton();
+ ensure("false negative on wasDeleted()", PSing1::wasDeleted());
+ threw = catcherr.catch_llerrs([](){
+ (void)PSing1::instance();
+ });
+ ensure_contains("accessed deleted LLParamSingleton", threw, "deleted");
+ }
+
+ template<> template<>
+ void singleton_object_t::test<13>()
+ {
+ set_test_name("LLParamSingleton alternate ctor");
+
+ WrapLLErrs catcherr;
+ // We don't have to restate all the tests for PSing1. Only test validly
+ // using the other constructor.
+ PSing2::initParamSingleton(17);
+ ensure_equals(PSing2::instance().desc(), "17");
+ // can't do it twice
+ std::string threw = catcherr.catch_llerrs([](){
+ PSing2::initParamSingleton(34);
+ });
+ ensure_contains("second ctor(int) didn't throw", threw, "twice");
+ // can't use the other constructor either
+ threw = catcherr.catch_llerrs([](){
+ PSing2::initParamSingleton("string");
+ });
+ ensure_contains("other ctor(string) didn't throw", threw, "twice");
+ }
+
+ class CircularPCtor: public LLParamSingleton<CircularPCtor>
+ {
+ LLSINGLETON(CircularPCtor)
+ {
+ // never mind indirection, just go straight for the circularity
+ (void)instance();
+ }
+ };
+
+ template<> template<>
+ void singleton_object_t::test<14>()
+ {
+ set_test_name("Circular LLParamSingleton constructor");
+ WrapLLErrs catcherr;
+ std::string threw = catcherr.catch_llerrs([](){
+ CircularPCtor::initParamSingleton();
+ });
+ ensure_contains("constructor circularity didn't throw", threw, "constructor");
+ }
+
+ class CircularPInit: public LLParamSingleton<CircularPInit>
+ {
+ LLSINGLETON_EMPTY_CTOR(CircularPInit);
+ public:
+ virtual void initSingleton()
+ {
+ // never mind indirection, just go straight for the circularity
+ CircularPInit *pt = getInstance();
+ if (!pt)
+ {
+ throw;
+ }
+ }
+ };
+
+ template<> template<>
+ void singleton_object_t::test<15>()
+ {
+ set_test_name("Circular LLParamSingleton initSingleton()");
+ WrapLLErrs catcherr;
+ std::string threw = catcherr.catch_llerrs([](){
+ CircularPInit::initParamSingleton();
+ });
+ ensure("initSingleton() circularity threw", threw.empty());
+ }
}