/* 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));
});
