js/src/jsapi-tests/testErrorInterceptorGC.cpp

   1 #include "js/ErrorInterceptor.h"
   2 #include "jsapi-tests/tests.h"
   3
   4 namespace {
   5
   6 // An interceptor that triggers GC:
   7 struct ErrorInterceptorWithGC : JSErrorInterceptor {
   8   void interceptError(JSContext* cx, JS::HandleValue val) override {
   9     JS::PrepareForFullGC(cx);
  10     JS::NonIncrementalGC(cx, JS::GCOptions::Shrink, JS::GCReason::DEBUG_GC);
  11   }
  12 };
  13
  14 }  // namespace
  15
  16 BEGIN_TEST(testErrorInterceptorGC) {
  17   JSErrorInterceptor* original = JS_GetErrorInterceptorCallback(cx->runtime());
  18
  19   ErrorInterceptorWithGC interceptor;
  20   JS_SetErrorInterceptorCallback(cx->runtime(), &interceptor);
  21
  22   CHECK(!execDontReport("0 = 0;", __FILE__, __LINE__));
  23
  24   CHECK(JS_IsExceptionPending(cx));
  25   JS_ClearPendingException(cx);
  26
  27   // Restore the original error interceptor.
  28   JS_SetErrorInterceptorCallback(cx->runtime(), original);
  29
  30   return true;
  31 }
  32 END_TEST(testErrorInterceptorGC)