Function TEST

valdi/test/runtime/JavaScriptHeapDump_tests.cpp:24–83

namespace ValdiTest {

TEST(JavaScriptHeapDumpParser, canParseHeapDump) {
    std::string_view json =
        R"({"snapshot":{"meta":{"node_fields":["type","name","id","self_size","edge_count","trace_node_id","detachedness"],"node_types":[["hidden","array","string","object","code","closure","regexp","number","native","synthetic","symbol","bigint","object shape"],"string","number","number","number","number","number"],"edge_fields":["type","name_or_index","to_node"],"edge_types":[["context","element","property","internal","hidden","shortcut","weak"],"string_or_number","node"]},"node_count":3,"edge_count":2,"trace_function_count":0},
"nodes":[3,0,1,40,1,0,0,
1,2,2,100,1,0,0,
2,3,3,11,0,0,0],
"edges":[2,1,7,
1,0,14],
"trace_function_infos":[],
"trace_tree":[],
"samples":[],
"locations":[],
"strings":[
"Object",
"items",
"Array",
"Hello World"]}
)";

    SimpleExceptionTracker exceptionTracker;
    JavaScriptHeapDumpParser parser(reinterpret_cast<const Byte*>(json.data()), json.size(), exceptionTracker);

    ASSERT_NO_EXCEPTION(exceptionTracker);

    auto nodes = parser.getNodes();

    ASSERT_EQ(static_cast<size_t>(3), nodes.size());

    ASSERT_EQ(JavaScriptHeapDumpNodeType::OBJECT, nodes[0].getType());
    ASSERT_EQ(STRING_LITERAL("Object"), nodes[0].getName());
    ASSERT_EQ(static_cast<uint64_t>(1), nodes[0].getId());
    ASSERT_EQ(static_cast<size_t>(40), nodes[0].getSelfSizeBytes());

    auto edges1 = nodes[0].getEdges();
    ASSERT_EQ(static_cast<size_t>(1), edges1.size());

    ASSERT_EQ(JavaScriptHeapDumpEdgeType::PROPERTY, edges1[0].getType());
    ASSERT_EQ(JavaScriptHeapEdgeIdentifier::named(STRING_LITERAL("items")), edges1[0].getIdentifier());
    ASSERT_EQ(static_cast<uint64_t>(2), edges1[0].getNode().getId());

    ASSERT_EQ(JavaScriptHeapDumpNodeType::ARRAY, nodes[1].getType());
    ASSERT_EQ(STRING_LITERAL("Array"), nodes[1].getName());
    ASSERT_EQ(static_cast<uint64_t>(2), nodes[1].getId());
    ASSERT_EQ(static_cast<size_t>(100), nodes[1].getSelfSizeBytes());

    auto edges2 = nodes[1].getEdges();
    ASSERT_EQ(static_cast<size_t>(1), edges2.size());

    ASSERT_EQ(JavaScriptHeapDumpEdgeType::ELEMENT, edges2[0].getType());
    ASSERT_EQ(JavaScriptHeapEdgeIdentifier::indexed(0), edges2[0].getIdentifier());
    ASSERT_EQ(static_cast<uint64_t>(3), edges2[0].getNode().getId());

    ASSERT_EQ(JavaScriptHeapDumpNodeType::STRING, nodes[2].getType());
    ASSERT_EQ(STRING_LITERAL("Hello World"), nodes[2].getName());
    ASSERT_EQ(static_cast<uint64_t>(3), nodes[2].getId());

    auto edges3 = nodes[2].getEdges();