1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/gdb/tests/test-GCCellPtr.cpp b/js/src/gdb/tests/test-GCCellPtr.cpp
new file mode 100644
index 0000000000..8dcf135be8
--- /dev/null
+++ b/js/src/gdb/tests/test-GCCellPtr.cpp
@@ -0,0 +1,62 @@
+#include "gdb-tests.h"
+
+#include "js/CompileOptions.h"
+#include "js/CompilationAndEvaluation.h"
+#include "js/GlobalObject.h"
+#include "js/HeapAPI.h"
+#include "js/RegExpFlags.h"
+#include "js/SourceText.h"
+#include "js/Symbol.h"
+#include "js/TypeDecls.h"
+#include "vm/BigIntType.h"
+#include "vm/JSObject.h"
+#include "vm/RegExpObject.h"
+#include "vm/Shape.h"
+
+#include "vm/JSObject-inl.h"
+
+FRAGMENT(GCCellPtr, simple) {
+  JS::Rooted<JSObject*> glob(cx, JS::CurrentGlobalOrNull(cx));
+  JS::Rooted<JSString*> empty(cx, JS_NewStringCopyN(cx, nullptr, 0));
+  JS::Rooted<JS::Symbol*> unique(cx, JS::NewSymbol(cx, nullptr));
+  JS::Rooted<JS::BigInt*> zeroBigInt(cx, JS::BigInt::zero(cx));
+  JS::Rooted<js::RegExpObject*> regExp(
+      cx, js::RegExpObject::create(cx, u"", 0, JS::RegExpFlags{},
+                                   js::GenericObject));
+  JS::Rooted<js::RegExpShared*> rootedRegExpShared(
+      cx, js::RegExpObject::getShared(cx, regExp));
+
+  JS::CompileOptions options(cx);
+  options.setFileAndLine(__FILE__, __LINE__);
+  JS::SourceText<char16_t> srcBuf;
+  (void)srcBuf.init(cx, nullptr, 0, JS::SourceOwnership::Borrowed);
+  JS::RootedScript emptyScript(cx, JS::Compile(cx, options, srcBuf));
+
+  // Inline TraceKinds.
+  JS::GCCellPtr nulll(nullptr);
+  JS::GCCellPtr object(glob.get());
+  JS::GCCellPtr string(empty.get());
+  JS::GCCellPtr symbol(unique.get());
+  JS::GCCellPtr bigint(zeroBigInt.get());
+  JS::GCCellPtr shape(glob->shape());
+
+  // Out-of-line TraceKinds.
+  JS::GCCellPtr baseShape(glob->shape()->base());
+  // JitCode can't easily be tested here, so skip it.
+  JS::GCCellPtr script(emptyScript.get());
+  JS::GCCellPtr scope(emptyScript->bodyScope());
+  JS::GCCellPtr regExpShared(rootedRegExpShared.get());
+
+  breakpoint();
+
+  use(nulll);
+  use(object);
+  use(string);
+  use(symbol);
+  use(bigint);
+  use(shape);
+  use(baseShape);
+  use(script);
+  use(scope);
+  use(regExpShared);
+}