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(rt, 3),
Edge(rt, 0, Field(&JS::ubi::Edge::name,
UTF16StrEq(edgeName))),
Edge(rt, 1, Field(&JS::ubi::Edge::name,
UTF16StrEq(emptyStr))),
Edge(rt, 2, Field(&JS::ubi::Edge::name,
IsNull()))),
_)
)
.Times(1)
.WillOnce(Return(true));
// Should get the referent node that doesn't have any edges once.
ExpectWriteNode(writer, referent);
JS::AutoCheckCannotGC noGC(rt);
ASSERT_TRUE(WriteHeapGraph(cx,
JS::ubi::Node(&node),
writer,
/* wantNames = */ true,
/* zones = */ nullptr,
noGC));
