JsonParserTest.cs
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using NUnit.Framework;
using System;
using System.Linq;
namespace UniJSON
{
public class JsonParserTest
{
[Test]
public void Tests()
{
{
var result = JsonParser.Parse("1");
Assert.AreEqual(1, result.GetInt32());
}
{
var result = JsonParser.Parse("{ \"a\": { \"b\": 1 }}");
Assert.True(result.ContainsKey("a"));
}
}
[Test]
public void NullTest()
{
{
var node = JsonParser.Parse("null");
Assert.AreEqual(0, node.Value.Bytes.Offset);
Assert.AreEqual(4, node.Value.Bytes.Count);
Assert.True(node.IsNull());
}
}
[Test]
public void BooleanTest()
{
{
var node = JsonParser.Parse("true");
Assert.AreEqual(0, node.Value.Bytes.Offset);
Assert.AreEqual(4, node.Value.Bytes.Count);
Assert.True(node.IsBoolean());
Assert.AreEqual(true, node.GetBoolean());
Assert.Catch(typeof(FormatException), () => node.GetDouble());
}
{
var node = JsonParser.Parse(" false ");
Assert.AreEqual(1, node.Value.Bytes.Offset);
Assert.AreEqual(5, node.Value.Bytes.Count);
Assert.True(node.IsBoolean());
Assert.AreEqual(false, node.GetBoolean());
}
}
[Test]
public void NumberTest()
{
{
var node = JsonParser.Parse("1");
Assert.AreEqual(0, node.Value.Bytes.Offset);
Assert.AreEqual(1, node.Value.Bytes.Count);
Assert.True(node.IsInteger());
Assert.AreEqual(1, (int)node.GetDouble());
Assert.Catch(typeof(DeserializationException), () => node.GetBoolean());
}
{
var node = JsonParser.Parse(" 22 ");
Assert.AreEqual(1, node.Value.Bytes.Offset);
Assert.AreEqual(2, node.Value.Bytes.Count);
Assert.True(node.IsInteger());
Assert.AreEqual(22, (int)node.GetDouble());
}
{
var node = JsonParser.Parse(" 3.3 ");
Assert.AreEqual(1, node.Value.Bytes.Offset);
Assert.AreEqual(3, node.Value.Bytes.Count);
Assert.True(node.IsFloat());
Assert.AreEqual(3, (int)node.GetDouble());
Assert.AreEqual(3.3f, (float)node.GetDouble());
}
{
var node = JsonParser.Parse(" -4.44444444444444444444 ");
Assert.True(node.IsFloat());
Assert.AreEqual(-4, (int)node.GetDouble());
Assert.AreEqual(-4.44444444444444444444, node.GetDouble());
}
{
var node = JsonParser.Parse(" -5e-4 ");
Assert.True(node.IsFloat());
Assert.AreEqual(0, (int)node.GetDouble());
Assert.AreEqual(-5e-4, node.GetDouble());
}
{
var node = JsonParser.Parse("NaN");
Assert.True(node.IsFloat());
Assert.AreEqual(Double.NaN, node.GetDouble());
}
{
var node = JsonParser.Parse("Infinity");
Assert.True(node.IsFloat());
Assert.AreEqual(Double.PositiveInfinity, node.GetDouble());
}
{
var node = JsonParser.Parse("-Infinity");
Assert.True(node.IsFloat());
Assert.AreEqual(Double.NegativeInfinity, node.GetDouble());
}
}
[Test]
public void StringTest()
{
{
var value = "hoge";
var quoted = "\"hoge\"";
Assert.AreEqual(quoted, JsonString.Quote(value));
var node = JsonParser.Parse(quoted);
Assert.AreEqual(0, node.Value.Bytes.Offset);
Assert.AreEqual(quoted.Length, node.Value.Bytes.Count);
Assert.True(node.IsString());
Assert.AreEqual("hoge", node.GetString());
}
{
var value = "fuga\n hoge";
var quoted = "\"fuga\\n hoge\"";
Assert.AreEqual(quoted, JsonString.Quote(value));
var node = JsonParser.Parse(quoted);
Assert.AreEqual(0, node.Value.Bytes.Offset);
Assert.AreEqual(quoted.Length, node.Value.Bytes.Count);
Assert.True(node.IsString());
Assert.AreEqual(value, node.GetString());
}
}
[Test]
public void StringEscapeTest()
{
{
var value = "\"";
var escaped = "\\\"";
Assert.AreEqual(escaped, JsonString.Escape(value));
Assert.AreEqual(value, JsonString.Unescape(escaped));
}
{
var value = "\\";
var escaped = "\\\\";
Assert.AreEqual(escaped, JsonString.Escape(value));
Assert.AreEqual(value, JsonString.Unescape(escaped));
}
{
var value = "/";
var escaped = "\\/";
Assert.AreEqual(escaped, JsonString.Escape(value));
Assert.AreEqual(value, JsonString.Unescape(escaped));
}
{
var value = "\b";
var escaped = "\\b";
Assert.AreEqual(escaped, JsonString.Escape(value));
Assert.AreEqual(value, JsonString.Unescape(escaped));
}
{
var value = "\f";
var escaped = "\\f";
Assert.AreEqual(escaped, JsonString.Escape(value));
Assert.AreEqual(value, JsonString.Unescape(escaped));
}
{
var value = "\n";
var escaped = "\\n";
Assert.AreEqual(escaped, JsonString.Escape(value));
Assert.AreEqual(value, JsonString.Unescape(escaped));
}
{
var value = "\r";
var escaped = "\\r";
Assert.AreEqual(escaped, JsonString.Escape(value));
Assert.AreEqual(value, JsonString.Unescape(escaped));
}
{
var value = "\t";
var escaped = "\\t";
Assert.AreEqual(escaped, JsonString.Escape(value));
Assert.AreEqual(value, JsonString.Unescape(escaped));
}
}
[Test]
public void ObjectTest()
{
{
var json = "{}";
var node = JsonParser.Parse(json);
Assert.AreEqual(0, node.Value.Bytes.Offset);
Assert.AreEqual(2, node.Value.Bytes.Count);
Assert.True(node.IsMap());
Assert.AreEqual(0, node.ObjectItems().Count());
}
{
var json = "{\"key\":\"value\"}";
var node = JsonParser.Parse(json);
Assert.AreEqual(0, node.Value.Bytes.Offset);
Assert.AreEqual(json.Length, node.Value.Bytes.Count);
Assert.True(node.IsMap());
var it = node.ObjectItems().GetEnumerator();
Assert.IsTrue(it.MoveNext());
Assert.AreEqual("key", it.Current.Key.GetString());
Assert.AreEqual("value", it.Current.Value.GetString());
Assert.IsFalse(it.MoveNext());
}
{
var json = "{\"key\":\"value\"}";
var node = JsonParser.Parse(json);
Assert.AreEqual(0, node.Value.Bytes.Offset);
Assert.AreEqual(json.Length, node.Value.Bytes.Count);
Assert.True(node.IsMap());
var it = node.ObjectItems().GetEnumerator();
Assert.IsTrue(it.MoveNext());
Assert.AreEqual("key", it.Current.Key.GetString());
Assert.AreEqual("value", it.Current.Value.GetString());
Assert.IsFalse(it.MoveNext());
}
}
[Test]
public void NestedObjectTest()
{
{
var json = "{\"key\":{ \"nestedKey\": \"nestedValue\" }, \"key2\": { \"nestedKey2\": \"nestedValue2\" } }";
var node = JsonParser.Parse(json);
Assert.True(node.IsMap());
{
var it = node.ObjectItems().GetEnumerator();
Assert.IsTrue(it.MoveNext());
Assert.AreEqual("key", it.Current.Key.GetString());
Assert.True(it.Current.Value.IsMap());
Assert.IsTrue(it.MoveNext());
Assert.AreEqual("key2", it.Current.Key.GetString());
Assert.True(it.Current.Value.IsMap());
Assert.IsFalse(it.MoveNext());
}
var nested = node["key2"];
{
var it = nested.ObjectItems().GetEnumerator();
Assert.IsTrue(it.MoveNext());
Assert.AreEqual("nestedKey2", it.Current.Key.GetString());
Assert.AreEqual("nestedValue2", it.Current.Value.GetString());
Assert.IsFalse(it.MoveNext());
}
Assert.AreEqual("nestedValue2", node["key2"]["nestedKey2"].GetString());
}
}
[Test]
public void ArrayTest()
{
{
var json = "[]";
var node = JsonParser.Parse(json);
Assert.AreEqual(0, node.Value.Bytes.Offset);
//Assert.Catch(() => { var result = node.Value.Bytes.Count; }, "raise exception");
Assert.AreEqual(2, node.Value.Bytes.Count);
Assert.True(node.IsArray());
Assert.AreEqual("[\n]", node.ToString(" "));
}
{
var json = "[1,2,3]";
var node = JsonParser.Parse(json);
Assert.AreEqual(0, node.Value.Bytes.Offset);
//Assert.Catch(() => { var result = node.Value.Bytes.Count; }, "raise exception");
Assert.True(node.IsArray());
Assert.AreEqual(1, node[0].GetDouble());
Assert.AreEqual(2, node[1].GetDouble());
Assert.AreEqual(3, node[2].GetDouble());
Assert.AreEqual("[\n 1,\n 2,\n 3\n]", node.ToString(" "));
}
{
var json = "[\"key\",1]";
var node = JsonParser.Parse(json);
Assert.AreEqual(0, node.Value.Bytes.Offset);
//Assert.Catch(() => { var result = node.Value.Bytes.Count; }, "raise exception");
Assert.AreEqual(json.Length, node.Value.Bytes.Count);
Assert.True(node.IsArray());
var it = node.ArrayItems().GetEnumerator();
Assert.IsTrue(it.MoveNext());
Assert.AreEqual("key", it.Current.GetString());
Assert.IsTrue(it.MoveNext());
Assert.AreEqual(1, it.Current.GetDouble());
Assert.IsFalse(it.MoveNext());
Assert.AreEqual("key", node[0].GetString());
Assert.AreEqual(1, node[1].GetDouble());
Assert.AreEqual("[\n \"key\",\n 1\n]", node.ToString(" "));
}
}
[Test]
public void ParseTest()
{
var json = "{";
Assert.Catch(typeof(ParserException), () => JsonParser.Parse(json));
}
[Test]
public void Utf8Test()
{
JsonParser.Parse("\"５\"");
}
[Test]
public void TimeTest()
{
var f = new JsonFormatter();
f.Value(new DateTimeOffset());
Assert.AreEqual("\"0001-01-01T00:00:00Z\"", new Utf8String(f.GetStoreBytes()).ToString());
}
}
}