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Code Issues Releases Wiki Activity

ArrayConverter: parse string decimals in scientific notation (#292)

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Maxxx555
2026-09-21 12:54:15 +03:00
committed by GitHub
parent 4a4930d658
commit cecfbcba48
2 changed files with 28 additions and 0 deletions
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CryptoExchange.Net.UnitTests/ConverterTests/ArrayConverterTests.cs
+25
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@@ -62,6 +62,31 @@ namespace CryptoExchange.Net.UnitTests.ConverterTests
Assert.That(deserialized.Prop8!.Prop31, Is.EqualTo(5));
Assert.That(deserialized.Prop8.Prop32, Is.EqualTo("101"));
}
[TestCase("[\"4.803E-5\",\"9.623e-4\",\"0.0010025\"]", 0.00004803, 0.0009623, 0.0010025)]
[TestCase("[\"81251.5\",\"1E+2\",\"-2.5E-3\"]", 81251.5, 100, -0.0025)]
[TestCase("[4.803E-5,9.623e-4,0.0010025]", 0.00004803, 0.0009623, 0.0010025)]
public void TestArrayConverterDecimalInScientificNotation(string json, decimal expected1, decimal expected2, decimal expected3)
{
// Some exchanges send small prices as strings in scientific notation, for example the
// Kucoin futures kline stream: "candles":["1789830000","4.803E-5","4.807E-5",...]
var deserialized = JsonSerializer.Deserialize<TestDecimal>(json);
Assert.That(deserialized!.Prop1, Is.EqualTo(expected1));
Assert.That(deserialized.Prop2, Is.EqualTo(expected2));
Assert.That(deserialized.Prop3, Is.EqualTo(expected3));
}
}
[JsonConverter(typeof(ArrayConverter<TestDecimal>))]
public record TestDecimal
{
[ArrayProperty(0)]
public decimal Prop1 { get; set; }
[ArrayProperty(1)]
public decimal? Prop2 { get; set; }
[ArrayProperty(2)]
public decimal Prop3 { get; set; }
}
[JsonConverter(typeof(ArrayConverter<Test>))]