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-rw-r--r--dom/heapsnapshot/tests/gtest/SerializesEdgeNames.cpp53
1 files changed, 53 insertions, 0 deletions
diff --git a/dom/heapsnapshot/tests/gtest/SerializesEdgeNames.cpp b/dom/heapsnapshot/tests/gtest/SerializesEdgeNames.cpp
new file mode 100644
index 000000000..be135dbb4
--- /dev/null
+++ b/dom/heapsnapshot/tests/gtest/SerializesEdgeNames.cpp
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
+/* 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 edge names get serialized correctly.
+
+#include "DevTools.h"
+
+using testing::Field;
+using testing::IsNull;
+using testing::Property;
+using testing::Return;
+
+DEF_TEST(SerializesEdgeNames, {
+ FakeNode node;
+ FakeNode referent;
+
+ const char16_t edgeName[] = u"edge name";
+ const char16_t emptyStr[] = u"";
+
+ AddEdge(node, referent, edgeName);
+ AddEdge(node, referent, emptyStr);
+ AddEdge(node, referent, nullptr);
+
+ ::testing::NiceMock<MockWriter> writer;
+
+ // Should get the node with edges once.
+ EXPECT_CALL(
+ writer,
+ writeNode(AllOf(EdgesLength(cx, 3),
+ Edge(cx, 0, Field(&JS::ubi::Edge::name,
+ UniqueUTF16StrEq(edgeName))),
+ Edge(cx, 1, Field(&JS::ubi::Edge::name,
+ UniqueUTF16StrEq(emptyStr))),
+ Edge(cx, 2, Field(&JS::ubi::Edge::name,
+ UniqueIsNull()))),
+ _)
+ )
+ .Times(1)
+ .WillOnce(Return(true));
+
+ // Should get the referent node that doesn't have any edges once.
+ ExpectWriteNode(writer, referent);
+
+ JS::AutoCheckCannotGC noGC(cx);
+ ASSERT_TRUE(WriteHeapGraph(cx,
+ JS::ubi::Node(&node),
+ writer,
+ /* wantNames = */ true,
+ /* zones = */ nullptr,
+ noGC));
+ });