public static void TestDeepCopy()
{
using (JsonDocument document = JsonDocument.Parse(jsonSampleString))
{
JsonNode node = JsonNode.DeepCopy(document.RootElement);
CheckNode(node);
}
}
public static void TestCloneJsonNodeInJsonElement()
{
var jsonObject = new JsonObject
{
{ "text", "value" },
{ "boolean", true },
{ "array", new JsonArray {
"value1", "value2"
} }
};
JsonElement jsonElement = jsonObject.AsJsonElement();
var jsonObjectCloneFromElement = (JsonObject)JsonNode.DeepCopy(jsonElement);
Assert.Equal(3, jsonObjectCloneFromElement.GetPropertyNames().Count);
Assert.Equal(3, jsonObjectCloneFromElement.GetPropertyValues().Count);
Assert.Equal("value", jsonObjectCloneFromElement["text"]);
Assert.Equal(true, jsonObjectCloneFromElement["boolean"]);
// Modifying should not change the clone and vice versa:
jsonObjectCloneFromElement["boolean"] = false;
Assert.Equal(false, jsonObjectCloneFromElement["boolean"]);
Assert.Equal(true, jsonObject["boolean"]);
jsonObjectCloneFromElement.GetJsonArrayPropertyValue("array").Add("value3");
Assert.Equal(3, jsonObjectCloneFromElement.GetJsonArrayPropertyValue("array").Count);
Assert.Equal(2, jsonObject.GetJsonArrayPropertyValue("array").Count);
jsonObject["text"] = "different value";
Assert.Equal("different value", jsonObject["text"]);
Assert.Equal("value", jsonObjectCloneFromElement["text"]);
jsonObject.GetJsonArrayPropertyValue("array").Remove("value2");
Assert.Equal(1, jsonObject.GetJsonArrayPropertyValue("array").Count);
Assert.Equal(3, jsonObjectCloneFromElement.GetJsonArrayPropertyValue("array").Count);
}
public static void TestDeepCopyDoesNotOverflow()
{
var builder = new StringBuilder();
for (int i = 0; i < 2_000; i++)
{
builder.Append("[");
}
for (int i = 0; i < 2_000; i++)
{
builder.Append("]");
}
var options = new JsonDocumentOptions {
MaxDepth = 5_000
};
using (JsonDocument dom = JsonDocument.Parse(builder.ToString(), options))
{
JsonNode node = JsonNode.DeepCopy(dom.RootElement);
}
}