1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testGCCellPtr.cpp b/js/src/jsapi-tests/testGCCellPtr.cpp
new file mode 100644
index 000000000..c3b1ca9d5
--- /dev/null
+++ b/js/src/jsapi-tests/testGCCellPtr.cpp
@@ -0,0 +1,61 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+* vim: set ts=8 sts=4 et sw=4 tw=99:
+*/
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "jsapi.h"
+#include "jspubtd.h"
+
+#include "gc/Heap.h"
+
+#include "jsapi-tests/tests.h"
+
+JS::GCCellPtr
+GivesAndTakesCells(JS::GCCellPtr cell)
+{
+    return cell;
+}
+
+BEGIN_TEST(testGCCellPtr)
+{
+    JS::RootedObject obj(cx, JS_NewPlainObject(cx));
+    CHECK(obj);
+
+    JS::RootedString str(cx, JS_NewStringCopyZ(cx, "probably foobar"));
+    CHECK(str);
+
+    const char* code = "function foo() { return 'bar'; }";
+    JS::CompileOptions opts(cx);
+    JS::RootedScript script(cx);
+    CHECK(JS_CompileScript(cx, code, strlen(code), opts, &script));
+    CHECK(script);
+
+    CHECK(!JS::GCCellPtr(nullptr));
+
+    CHECK(JS::GCCellPtr(obj.get()));
+    CHECK(JS::GCCellPtr(obj.get()).kind() == JS::TraceKind::Object);
+    CHECK(JS::GCCellPtr(JS::ObjectValue(*obj)).kind() == JS::TraceKind::Object);
+
+    CHECK(JS::GCCellPtr(str.get()));
+    CHECK(JS::GCCellPtr(str.get()).kind() == JS::TraceKind::String);
+    CHECK(JS::GCCellPtr(JS::StringValue(str)).kind() == JS::TraceKind::String);
+
+    CHECK(JS::GCCellPtr(script.get()));
+    CHECK(!JS::GCCellPtr(nullptr));
+    CHECK(JS::GCCellPtr(script.get()).kind() == JS::TraceKind::Script);
+
+    JS::GCCellPtr objcell(obj.get());
+    JS::GCCellPtr scriptcell = JS::GCCellPtr(script.get());
+    CHECK(GivesAndTakesCells(objcell));
+    CHECK(GivesAndTakesCells(scriptcell));
+
+    JS::GCCellPtr copy = objcell;
+    CHECK(copy == objcell);
+
+    CHECK(js::gc::detail::GetCellRuntime(scriptcell.asCell()) == cx->runtime());
+
+    return true;
+}
+END_TEST(testGCCellPtr)