public static void TestTrailingCommas()
{
string jsonStringWithTrailingCommas = @"
{
""firstProperty"": ""first value"",
""secondProperty"" : ""second value"",
}";
JsonNodeOptions options = new JsonNodeOptions {
AllowTrailingCommas = default
};
Assert.ThrowsAny <JsonException>(() => JsonNode.Parse(jsonStringWithTrailingCommas, options));
options = new JsonNodeOptions {
AllowTrailingCommas = false
};
Assert.ThrowsAny <JsonException>(() => JsonNode.Parse(jsonStringWithTrailingCommas, options));
options = new JsonNodeOptions {
AllowTrailingCommas = true
};
JsonObject jsonObject = (JsonObject)JsonNode.Parse(jsonStringWithTrailingCommas, options);
Assert.Equal("first value", jsonObject["firstProperty"]);
Assert.Equal("second value", jsonObject["secondProperty"]);
Assert.Equal(2, jsonObject.GetPropertyNames().Count);
Assert.Equal(2, jsonObject.GetPropertyValues().Count);
}
public static void CaseSensitivity_EditMode()
{
var jArray = new JsonArray();
var jObject = new JsonObject();
jObject.Add("MyProperty", 42);
jObject.Add("myproperty", 42); // No exception
// Options on direct node.
var options = new JsonNodeOptions {
PropertyNameCaseInsensitive = true
};
jArray = new JsonArray();
jObject = new JsonObject(options);
jObject.Add("MyProperty", 42);
jArray.Add(jObject);
Assert.Throws <ArgumentException>(() => jObject.Add("myproperty", 42));
// Options on parent node (deferred creation of options until Add).
jArray = new JsonArray(options);
jObject = new JsonObject();
jArray.Add(jObject);
jObject.Add("MyProperty", 42);
Assert.Throws <ArgumentException>(() => jObject.Add("myproperty", 42));
// Dictionary is created when Add is called for the first time, so we need to be added first.
jArray = new JsonArray(options);
jObject = new JsonObject();
jObject.Add("MyProperty", 42);
jArray.Add(jObject);
jObject.Add("myproperty", 42); // No exception since options were not set in time.
}
public static void TestJsonCommentHandling()
{
string jsonStringWithComments = @"
{
// First comment
""firstProperty"": ""first value"", //Second comment
""secondProperty"" : ""second value""// Third comment
// Last comment
}";
JsonNodeOptions options = new JsonNodeOptions {
CommentHandling = default
};
Assert.ThrowsAny <JsonException>(() => JsonNode.Parse(jsonStringWithComments, options));
options = new JsonNodeOptions {
CommentHandling = JsonCommentHandling.Disallow
};
Assert.ThrowsAny <JsonException>(() => JsonNode.Parse(jsonStringWithComments, options));
options = new JsonNodeOptions {
CommentHandling = JsonCommentHandling.Skip
};
JsonObject jsonObject = (JsonObject)JsonNode.Parse(jsonStringWithComments, options);
Assert.Equal("first value", jsonObject["firstProperty"]);
Assert.Equal("second value", jsonObject["secondProperty"]);
Assert.Equal(2, jsonObject.GetPropertyNames().Count);
Assert.Equal(2, jsonObject.GetPropertyValues().Count);
}
public static void TestParseFailsWhenExceedsMaxDepth()
{
var builder = new StringBuilder();
for (int i = 0; i < 100; i++)
{
builder.Append("[");
}
for (int i = 0; i < 100; i++)
{
builder.Append("]");
}
// Test for default MaxDepth
Assert.ThrowsAny <JsonException>(() => JsonNode.Parse(builder.ToString()));
JsonNodeOptions options = new JsonNodeOptions {
MaxDepth = default
};
Assert.ThrowsAny <JsonException>(() => JsonNode.Parse(builder.ToString(), options));
// Test for MaxDepth of 5
options = new JsonNodeOptions {
MaxDepth = 5
};
Assert.ThrowsAny <JsonException>(() => JsonNode.Parse(builder.ToString(), options));
}
public static void TestJsonNodeOptionsSet()
{
var options = new JsonNodeOptions()
{
PropertyNameCaseInsensitive = true
};
// Ctor that takes just options
var obj1 = new JsonObject(options);
obj1["Hello"] = "World";
// Ctor that takes props IEnumerable + options
IEnumerable <KeyValuePair <string, JsonNode?> > props = new List <KeyValuePair <string, JsonNode?> >
{
new KeyValuePair <string, JsonNode?>("Hello", "World")
};
var obj2 = new JsonObject(props, options);
// Create method
using JsonDocument doc = JsonDocument.Parse(@"{""Hello"":""World""}");
var obj3 = JsonObject.Create(doc.RootElement, options);
Test(obj1);
Test(obj2);
Test(obj3);
private void AddChild(JsonObject node, string propertyName, JsonElement element)
{
var options = new JsonNodeOptions
{
PropertyNameCaseInsensitive = Options.PropertyNameCaseInsensitive
};
JsonNode?childNode = element.ValueKind == JsonValueKind.Object
? JsonObject.Create(element, options)
: element.ValueKind == JsonValueKind.Array
? JsonArray.Create(element, options)
: JsonValue.Create(element, options);
node[propertyName] = childNode;
}
public static void TestDefaultJsonNodeOptions()
{
JsonNodeOptions defaultOptions = default;
JsonNodeOptions newOptions = new JsonNodeOptions();
Assert.Equal(defaultOptions.AllowTrailingCommas, newOptions.AllowTrailingCommas);
Assert.Equal(defaultOptions.CommentHandling, newOptions.CommentHandling);
Assert.Equal(defaultOptions.DuplicatePropertyNameHandling, newOptions.DuplicatePropertyNameHandling);
Assert.Equal(defaultOptions.MaxDepth, newOptions.MaxDepth);
Assert.False(defaultOptions.AllowTrailingCommas);
Assert.Equal(JsonCommentHandling.Disallow, defaultOptions.CommentHandling);
Assert.Equal(DuplicatePropertyNameHandlingStrategy.Replace, defaultOptions.DuplicatePropertyNameHandling);
Assert.Equal(0, defaultOptions.MaxDepth);
}
public static void TestParseWithNestedDuplicates(DuplicatePropertyNameHandlingStrategy duplicatePropertyNameHandling)
{
var options = new JsonNodeOptions
{
DuplicatePropertyNameHandling = duplicatePropertyNameHandling
};
var stringWithDuplicates = @"
{
""property"": ""first value"",
""nested object"":
{
""property"": ""duplicate value"",
""more nested object"":
{
""property"": ""last duplicate value""
}
},
""array"" : [ ""property"" ]
}";
var jsonObject = (JsonObject)JsonNode.Parse(stringWithDuplicates, options);
Assert.Equal(3, jsonObject.GetPropertyNames().Count);
Assert.Equal(3, jsonObject.GetPropertyValues().Count);
Assert.Equal("first value", jsonObject["property"]);
CheckNestedValues(jsonObject);
jsonObject.Remove("property");
Assert.Equal(2, jsonObject.GetPropertyNames().Count);
Assert.Equal(2, jsonObject.GetPropertyValues().Count);
CheckNestedValues(jsonObject);
void CheckNestedValues(JsonObject jsonObject)
{
var nestedObject = (JsonObject)jsonObject["nested object"];
Assert.Equal(2, nestedObject.GetPropertyNames().Count);
Assert.Equal(2, nestedObject.GetPropertyValues().Count);
Assert.Equal("duplicate value", nestedObject["property"]);
var moreNestedObject = (JsonObject)nestedObject["more nested object"];
Assert.Equal(1, moreNestedObject.GetPropertyNames().Count);
Assert.Equal(1, moreNestedObject.GetPropertyValues().Count);
Assert.Equal("last duplicate value", moreNestedObject["property"]);
var array = (JsonArray)jsonObject["array"];
Assert.Equal(1, array.Count);
Assert.True(array.Contains("property"));
}
var nestedObject = (JsonObject)jsonObject["nested object"];
nestedObject.Add("array", new JsonNumber());
Assert.IsType <JsonArray>(jsonObject["array"]);
Assert.IsType <JsonNumber>(nestedObject["array"]);
}
