Files
tubestation/toolkit/devtools/server/tests/gtest/DeserializedNodeUbiNodes.cpp

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3.3 KiB
C++

/* -*- 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 the `JS::ubi::Node`s we create from
// `mozilla::devtools::DeserializedNode` instances look and behave as we would
// like.
#include "DevTools.h"
#include "js/TypeDecls.h"
#include "mozilla/devtools/DeserializedNode.h"
using testing::Field;
using testing::ReturnRef;
// A mock DeserializedNode for testing.
struct MockDeserializedNode : public DeserializedNode
{
MockDeserializedNode(NodeId id, const char16_t* typeName, uint64_t size)
: DeserializedNode(id, typeName, size)
{ }
bool addEdge(DeserializedEdge&& edge)
{
return edges.append(Move(edge));
}
MOCK_METHOD1(getEdgeReferent, JS::ubi::Node(const DeserializedEdge&));
};
size_t fakeMallocSizeOf(const void*) {
EXPECT_TRUE(false);
MOZ_ASSERT_UNREACHABLE("fakeMallocSizeOf should never be called because "
"DeserializedNodes report the deserialized size.");
return 0;
}
DEF_TEST(DeserializedNodeUbiNodes, {
const char16_t* typeName = MOZ_UTF16("TestTypeName");
NodeId id = 1L << 33;
uint64_t size = 1L << 60;
MockDeserializedNode mocked(id, typeName, size);
DeserializedNode& deserialized = mocked;
JS::ubi::Node ubi(&deserialized);
// Test the ubi::Node accessors.
EXPECT_EQ(size, ubi.size(fakeMallocSizeOf));
EXPECT_EQ(typeName, ubi.typeName());
EXPECT_EQ(id, ubi.identifier());
EXPECT_FALSE(ubi.isLive());
// Test the ubi::Node's edges.
UniquePtr<DeserializedNode> referent1(new MockDeserializedNode(1,
nullptr,
10));
DeserializedEdge edge1;
edge1.referent = referent1->id;
mocked.addEdge(Move(edge1));
EXPECT_CALL(mocked,
getEdgeReferent(Field(&DeserializedEdge::referent,
referent1->id)))
.Times(1)
.WillOnce(Return(JS::ubi::Node(referent1.get())));
UniquePtr<DeserializedNode> referent2(new MockDeserializedNode(2,
nullptr,
20));
DeserializedEdge edge2;
edge2.referent = referent2->id;
mocked.addEdge(Move(edge2));
EXPECT_CALL(mocked,
getEdgeReferent(Field(&DeserializedEdge::referent,
referent2->id)))
.Times(1)
.WillOnce(Return(JS::ubi::Node(referent2.get())));
UniquePtr<DeserializedNode> referent3(new MockDeserializedNode(3,
nullptr,
30));
DeserializedEdge edge3;
edge3.referent = referent3->id;
mocked.addEdge(Move(edge3));
EXPECT_CALL(mocked,
getEdgeReferent(Field(&DeserializedEdge::referent,
referent3->id)))
.Times(1)
.WillOnce(Return(JS::ubi::Node(referent3.get())));
ubi.edges(cx);
});