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using NUnit.Framework;
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using System;
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using Implab.Formats.JSON;
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using Implab.Automaton;
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namespace Implab.Format.Test {
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[TestFixture]
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public class JsonTests {
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[Test]
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public void TestScannerValidTokens() {
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using (var scanner = new JSONScanner(@"9123, -123, 0, 0.1, -0.2, -0.1e3, 1.3E-3, ""some \t\n\u0020 text"", literal []{}:")) {
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Tuple<JsonTokenType,object>[] expexted = {
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new Tuple<JsonTokenType,object>(JsonTokenType.Number, 9123d),
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new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
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new Tuple<JsonTokenType,object>(JsonTokenType.Number, -123d),
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new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
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new Tuple<JsonTokenType,object>(JsonTokenType.Number, 0d),
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new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
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new Tuple<JsonTokenType,object>(JsonTokenType.Number, 0.1d),
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new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
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new Tuple<JsonTokenType,object>(JsonTokenType.Number, -0.2d),
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new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
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new Tuple<JsonTokenType,object>(JsonTokenType.Number, -0.1e3d),
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new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
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new Tuple<JsonTokenType,object>(JsonTokenType.Number, 1.3E-3d),
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new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
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new Tuple<JsonTokenType,object>(JsonTokenType.String, "some \t\n text"),
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new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
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new Tuple<JsonTokenType,object>(JsonTokenType.Literal, "literal"),
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new Tuple<JsonTokenType,object>(JsonTokenType.BeginArray, " ["),
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new Tuple<JsonTokenType,object>(JsonTokenType.EndArray, "]"),
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new Tuple<JsonTokenType,object>(JsonTokenType.BeginObject, "{"),
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new Tuple<JsonTokenType,object>(JsonTokenType.EndObject, "}"),
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new Tuple<JsonTokenType,object>(JsonTokenType.NameSeparator, ":")
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};
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object value;
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JsonTokenType tokenType;
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for (var i = 0; i < expexted.Length; i++) {
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Assert.IsTrue(scanner.ReadToken(out value, out tokenType));
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Assert.AreEqual(expexted[i].Item1, tokenType);
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Assert.AreEqual(expexted[i].Item2, value);
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}
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Assert.IsFalse(scanner.ReadToken(out value, out tokenType));
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}
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}
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[Test]
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public void TestScannerBadTokens() {
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var bad = new [] {
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" 1",
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" literal",
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" \"",
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"\"unclosed string",
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"1.bad",
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"001", // should be read as three numbers
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"--10",
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"+10",
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"1.0.0",
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"1e1.0",
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"l1teral0",
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".123",
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"-.123"
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};
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foreach (var json in bad)
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using (var scanner = new JSONScanner(json)) {
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try {
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object value;
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JsonTokenType token;
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scanner.ReadToken(out value, out token);
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if (!Object.Equals(value,json)) {
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Console.WriteLine("'{0}' is read as {1}", json, value is String ? String.Format("'{0}'", value) : value );
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continue;
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}
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Assert.Fail("Token '{0}' shouldn't pass", json);
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} catch (ParserException e) {
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Console.WriteLine(e.Message);
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}
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}
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}
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}
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}
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