public static void TestGetNode()
{
var jsonObject = new JsonObject
{
{ "text", "property value" },
{ "boolean", true },
{ "number", 15 },
{ "null node", (JsonNode)null },
{ "array", new JsonArray {
"value1", "value2"
} }
};
JsonElement jsonElement = jsonObject.AsJsonElement();
JsonObject jsonObjectFromElementGetNode = (JsonObject)JsonNode.GetNode(jsonElement);
Assert.True(JsonNode.TryGetNode(jsonElement, out JsonNode jsonNodeFromElementTryGetNode));
var jsonObjectFromElementTryGetNode = (JsonObject)jsonNodeFromElementTryGetNode;
Assert.Equal("property value", jsonObjectFromElementGetNode["text"]);
Assert.Equal("property value", jsonObjectFromElementTryGetNode["text"]);
// Modifying JsonObject will change jsonObjectFromElementGetNode and jsonObjectFromElementTryGetNode:
jsonObject["text"] = new JsonString("something different");
Assert.Equal("something different", jsonObjectFromElementGetNode["text"]);
Assert.Equal("something different", jsonObjectFromElementTryGetNode["text"]);
// Modifying JsonObjectFromElementGetNode will change JsonObject and jsonObjectFromElementTryGetNode:
((JsonBoolean)jsonObjectFromElementGetNode["boolean"]).Value = false;
Assert.False(((JsonBoolean)jsonObject["boolean"]).Value);
Assert.False(((JsonBoolean)jsonObjectFromElementTryGetNode["boolean"]).Value);
}
public static void TestObject()
{
var jsonObject = new JsonObject()
{
["existing property"] = "value",
["different property"] = 14
};
JsonElement jsonObjectElement = jsonObject.AsJsonElement();
Assert.True(jsonObjectElement.TryGetProperty("existing property", out JsonElement propertyValue));
Assert.Equal("value", propertyValue.GetString());
Assert.True(jsonObjectElement.TryGetProperty(Encoding.UTF8.GetBytes("existing property"), out propertyValue));
Assert.Equal("value", propertyValue.GetString());
Assert.Throws <InvalidOperationException>(() => propertyValue.TryGetProperty("property of not JsonObject", out _));
Assert.Throws <InvalidOperationException>(() => propertyValue.TryGetProperty(Encoding.UTF8.GetBytes("property of not JsonObject"), out _));
Assert.False(jsonObjectElement.TryGetProperty("not existing property", out propertyValue));
Assert.Equal(default, propertyValue);
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 TestAsJsonElement()
{
var jsonObject = new JsonObject
{
{ "text", "property value" },
{ "boolean", true },
{ "number", 15 },
{ "null node", (JsonNode)null },
{ "array", new JsonArray {
"value1", "value2"
} }
};
JsonElement jsonElement = jsonObject.AsJsonElement();
Assert.False(jsonElement.IsImmutable);
JsonElement.ObjectEnumerator enumerator = jsonElement.EnumerateObject();
enumerator.MoveNext();
Assert.Equal("text", enumerator.Current.Name);
Assert.Equal(JsonValueKind.String, enumerator.Current.Value.ValueKind);
Assert.Equal("property value", enumerator.Current.Value.GetString());
enumerator.MoveNext();
Assert.Equal("boolean", enumerator.Current.Name);
Assert.Equal(JsonValueKind.True, enumerator.Current.Value.ValueKind);
Assert.True(enumerator.Current.Value.GetBoolean());
enumerator.MoveNext();
Assert.Equal("number", enumerator.Current.Name);
Assert.Equal(15, enumerator.Current.Value.GetInt32());
Assert.Equal(JsonValueKind.Number, enumerator.Current.Value.ValueKind);
enumerator.MoveNext();
Assert.Equal("null node", enumerator.Current.Name);
Assert.Equal(JsonValueKind.Null, enumerator.Current.Value.ValueKind);
enumerator.MoveNext();
Assert.Equal("array", enumerator.Current.Name);
Assert.Equal(2, enumerator.Current.Value.GetArrayLength());
Assert.Equal(JsonValueKind.Array, enumerator.Current.Value.ValueKind);
JsonElement.ArrayEnumerator innerEnumerator = enumerator.Current.Value.EnumerateArray();
innerEnumerator.MoveNext();
Assert.Equal(JsonValueKind.String, innerEnumerator.Current.ValueKind);
Assert.Equal("value1", innerEnumerator.Current.GetString());
innerEnumerator.MoveNext();
Assert.Equal(JsonValueKind.String, innerEnumerator.Current.ValueKind);
Assert.Equal("value2", innerEnumerator.Current.GetString());
Assert.False(innerEnumerator.MoveNext());
innerEnumerator.Dispose();
Assert.False(enumerator.MoveNext());
enumerator.Dispose();
// Modifying JsonObject will change JsonElement:
jsonObject["text"] = new JsonNumber("123");
Assert.Equal(123, jsonElement.GetProperty("text").GetInt32());
}