SerializesEdgeNames.cpp

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/* -*- 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));

});