1 files changed, 82 insertions, 0 deletions
diff --git a/ipc/ipdl/test/gtest/TestManyChildAllocs.cpp b/ipc/ipdl/test/gtest/TestManyChildAllocs.cpp
new file mode 100644
index 0000000000..2111f4f49f
--- /dev/null
+++ b/ipc/ipdl/test/gtest/TestManyChildAllocs.cpp
@@ -0,0 +1,82 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+/*
+ * Test that many child allocations work correctly.
+ */
+
+#include "gtest/gtest.h"
+
+#include "mozilla/_ipdltest/IPDLUnitTest.h"
+#include "mozilla/_ipdltest/PTestManyChildAllocsChild.h"
+#include "mozilla/_ipdltest/PTestManyChildAllocsParent.h"
+#include "mozilla/_ipdltest/PTestManyChildAllocsSubChild.h"
+#include "mozilla/_ipdltest/PTestManyChildAllocsSubParent.h"
+
+using namespace mozilla::ipc;
+
+#define NALLOCS 10
+
+namespace mozilla::_ipdltest {
+
+class TestManyChildAllocsSubParent : public PTestManyChildAllocsSubParent {
+  NS_INLINE_DECL_REFCOUNTING(TestManyChildAllocsSubParent, override)
+ private:
+  IPCResult RecvHello() final override { return IPC_OK(); }
+
+  ~TestManyChildAllocsSubParent() = default;
+};
+
+class TestManyChildAllocsSubChild : public PTestManyChildAllocsSubChild {
+  NS_INLINE_DECL_REFCOUNTING(TestManyChildAllocsSubChild, override)
+ private:
+  ~TestManyChildAllocsSubChild() = default;
+};
+
+class TestManyChildAllocsParent : public PTestManyChildAllocsParent {
+  NS_INLINE_DECL_REFCOUNTING(TestManyChildAllocsParent, override)
+ private:
+  IPCResult RecvDone() final override {
+    Close();
+
+    return IPC_OK();
+  }
+
+  already_AddRefed<PTestManyChildAllocsSubParent>
+  AllocPTestManyChildAllocsSubParent() final override {
+    return MakeAndAddRef<TestManyChildAllocsSubParent>();
+  }
+
+  ~TestManyChildAllocsParent() = default;
+};
+
+class TestManyChildAllocsChild : public PTestManyChildAllocsChild {
+  NS_INLINE_DECL_REFCOUNTING(TestManyChildAllocsChild, override)
+ private:
+  IPCResult RecvGo() final override {
+    for (int i = 0; i < NALLOCS; ++i) {
+      auto child = MakeRefPtr<TestManyChildAllocsSubChild>();
+      EXPECT_TRUE(SendPTestManyChildAllocsSubConstructor(child));
+      EXPECT_TRUE(child->SendHello()) << "can't send Hello()";
+    }
+
+    size_t len = ManagedPTestManyChildAllocsSubChild().Count();
+    EXPECT_EQ((size_t)NALLOCS, len)
+        << "expected " << NALLOCS << " kids, got " << len;
+
+    EXPECT_TRUE(SendDone()) << "can't send Done()";
+
+    return IPC_OK();
+  }
+
+  ~TestManyChildAllocsChild() = default;
+};
+
+IPDL_TEST(TestManyChildAllocs) {
+  EXPECT_TRUE(mActor->SendGo()) << "can't send Go()";
+}
+
+}  // namespace mozilla::_ipdltest