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/*----------------------------------------------------------

This Source Code Form is subject to the terms of the

Mozilla Public License, v.2.0. If a copy of the MPL

was not distributed with this file, You can obtain one

at http://mozilla.org/MPL/2.0/.

----------------------------------------------------------*/

using System;

using System.Collections.Generic;

using FluentAssertions;

using Moq;

using OneScript.Commons;

using OneScript.Exceptions;

using OneScript.StandardLibrary;

using OneScript.Types;

using OneScript.Values;

using ScriptEngine;

using ScriptEngine.Machine;

using ScriptEngine.Machine.Contexts;

using Xunit;

namespace OneScript.Core.Tests

{

public class ValuesTest

{

[Fact]

public void BooleanEquality()

{

Assert.True(BslBooleanValue.True.AsBoolean());

Assert.False(BslBooleanValue.False.AsBoolean());

Assert.Same(BslBooleanValue.True, ValueFactory.Create(true));

Assert.Same(BslBooleanValue.False, ValueFactory.Create(false));

Assert.NotEqual(BslBooleanValue.False, BslBooleanValue.True);

Assert.Equal(0, BslBooleanValue.False.AsNumber());

Assert.Equal(1, BslBooleanValue.True.AsNumber());

Assert.True(BslBooleanValue.True.CompareTo(BslBooleanValue.False) > 0);

Assert.ThrowsAny<TypeConversionException>(() => BslBooleanValue.True.AsDate());

Assert.ThrowsAny<TypeConversionException>(() => BslBooleanValue.True.AsObject());

}

[Theory]

[InlineData("ru", "Да", "Нет")]

[InlineData("en", "True", "False")]

[InlineData("jp", "True", "False")]

public void BooleanStringLocales(string locale, string trueString, string falseString)

{

Locale.SystemLanguageISOName = locale;

Assert.Equal(trueString, BslBooleanValue.True.AsString());

Assert.Equal(falseString, BslBooleanValue.False.AsString());

}

[Fact]

public void NumbersEquality()

{

var num1 = ValueFactory.Create(12.5M);

var num2 = ValueFactory.Create(12.5M);

var num3 = ValueFactory.Create(7);

var num4 = ValueFactory.Create(0);

Assert.Equal(num1, num2);

Assert.True(num1.Equals(num2));

Assert.NotEqual(num1, num3);

Assert.Equal(0, num4.AsNumber());

Assert.Equal(7, num3.AsNumber());

Assert.True(num1.AsBoolean());

Assert.True(num2.AsBoolean());

Assert.True(num3.AsBoolean());

Assert.False(num4.AsBoolean());

Assert.True(num1.CompareTo(num2) == 0);

Assert.True(num1.CompareTo(num3) > 0);

Assert.True(num4.CompareTo(num3) < 0);

Assert.Equal("12.5", num1.AsString());

Assert.ThrowsAny<TypeConversionException>(() => num1.AsDate());

Assert.ThrowsAny<TypeConversionException>(() => num1.AsObject());

}

[Fact]

public void PopularNumbersReferenceEquality()

{

for (int i = 0; i < 10; i++)

{

var n1 = ValueFactory.Create(i);

var n2 = ValueFactory.Create(i);

Assert.Same(n1, n2);

}

}

[Fact]

public void StringValueTests()

{

var trueString = ValueFactory.Create("ИстИНа");

Assert.True(trueString.SystemType == BasicTypes.String);

Assert.True(trueString.AsBoolean());

Assert.True(trueString.AsString() == "ИстИНа");

var falseString = ValueFactory.Create("лОжЬ");

Assert.False(falseString.AsBoolean());

Assert.True(falseString.AsString() == "лОжЬ");

var dateString = ValueFactory.Create("20140101");

DateTime jan_01_14 = new DateTime(2014,01,01);

Assert.True(dateString.AsDate() == jan_01_14);

var numString = ValueFactory.Create("012.12");

Assert.True(numString.AsNumber() == 12.12m);

Assert.ThrowsAny<TypeConversionException>(() => dateString.AsObject());

Assert.ThrowsAny<TypeConversionException>(() => trueString.AsNumber());

}

[Fact]

public void Undefined_Value_Test()

{

var value = ValueFactory.Create();

Assert.True(value.SystemType == BasicTypes.Undefined);

Assert.True(value.AsString() == "");

Assert.ThrowsAny<TypeConversionException>(() => value.AsNumber());

Assert.ThrowsAny<TypeConversionException>(() => value.AsBoolean());

Assert.ThrowsAny<TypeConversionException>(() => value.AsObject());

Assert.ThrowsAny<TypeConversionException>(() => value.AsDate());

}

[Fact]

public void Null_Value_Test()

{

var value = ValueFactory.CreateNullValue();

Assert.True(value is BslNullValue);

Assert.True(ReferenceEquals(value, BslNullValue.Instance));

Assert.True(value.AsString() == "");

Assert.ThrowsAny<TypeConversionException>(() => value.AsNumber());

Assert.ThrowsAny<TypeConversionException>(() => value.AsBoolean());

Assert.ThrowsAny<TypeConversionException>(() => value.AsObject());

Assert.ThrowsAny<TypeConversionException>(() => value.AsDate());

}

[Fact]

public void Type_Value_Test()

{

var typeValue = new BslTypeValue(BasicTypes.String);

Assert.True(typeValue.SystemType == BasicTypes.Type);

Assert.Equal("Строка", typeValue.AsString());

Assert.ThrowsAny<TypeConversionException>(() => typeValue.AsNumber());

Assert.ThrowsAny<TypeConversionException>(() => typeValue.AsBoolean());

Assert.ThrowsAny<TypeConversionException>(() => typeValue.AsObject());

Assert.ThrowsAny<TypeConversionException>(() => typeValue.AsDate());

}

[Fact]

public void Number_To_Number_Comparison()

{

var num1 = ValueFactory.Create(1);

var num2 = ValueFactory.Create(2);

var num3 = ValueFactory.Create(1);

Assert.True(num1.CompareTo(num2) < 0);

Assert.True(num1.CompareTo(num3) == 0);

Assert.True(num2.CompareTo(num1) > 0);

Assert.True(num3.CompareTo(num2) < 0);

}

[Fact]

public void Invalid_Comparison_Num_And_String()

{

var num1 = ValueFactory.Create(1);

var num2 = ValueFactory.Create("2");

Assert.ThrowsAny<RuntimeException>(() => num1.CompareTo(num2));

Assert.ThrowsAny<RuntimeException>(() => num2.CompareTo(num1));

}

[Fact]

public void Invalid_Comparison_Undefined()

{

var v1 = ValueFactory.Create();

var v2 = ValueFactory.Create(true);

//TODO: типизировать исключение ComparisonNotSupportedException

Assert.ThrowsAny<RuntimeException>(() => v1.CompareTo(v2));

}

[Fact]

public void String_To_String_Comparison()

{

var str1 = ValueFactory.Create("АБВ");

var str2 = ValueFactory.Create("ВГД");

str1.CompareTo(str2).Should().BeLessThan(0);

str2.CompareTo(str1).Should().BeGreaterThan(0);

str1.CompareTo(ValueFactory.Create("абв")).Should().BeGreaterThan(0);

}

[Fact]

public void Boolean_Equality()

{

var bool1 = ValueFactory.Create(true);

var bool0 = ValueFactory.Create(false);

var num1 = ValueFactory.Create(1);

var num0 = ValueFactory.Create(0);

var num2 = ValueFactory.Create(2);

Assert.True(bool0.Equals(bool0));

Assert.True(bool1.Equals(bool1));

Assert.False(bool0.Equals(bool1));

Assert.False(bool1.Equals(bool0));

Assert.True(bool0.Equals(num0));

Assert.True(bool1.Equals(num1));

Assert.False(bool0.Equals(num1));

Assert.False(bool1.Equals(num0));

Assert.False(bool0.Equals(num2));

Assert.False(bool1.Equals(num2));

Assert.True(num0.Equals(bool0));

Assert.True(num1.Equals(bool1));

Assert.False(num0.Equals(bool1));

Assert.False(num1.Equals(bool0));

Assert.False(num2.Equals(bool1));

Assert.False(num2.Equals(bool0));

}

[Fact]

public void Boolean_Comparison()

{

var v1 = ValueFactory.Create(true);

var v2 = ValueFactory.Create(false);

var num1 = ValueFactory.Create(1);

var num0 = ValueFactory.Create(0);

Assert.True(v1.CompareTo(v2) > 0);

Assert.True(v2.CompareTo(v1) < 0);

Assert.True(v1.CompareTo(num1) == 0);

Assert.True(v2.CompareTo(num0) == 0);

Assert.True(v1.CompareTo(num0) > 0);

Assert.True(v2.CompareTo(num1) < 0);

Assert.True(num1.CompareTo(v1) == 0);

Assert.True(num1.CompareTo(v2) > 0);

}

[Theory]

[InlineData("Null", DataType.Null, typeof(BslNullValue))]

[InlineData("Истина", DataType.Boolean, typeof(BslBooleanValue))]

[InlineData("Ложь", DataType.Boolean, typeof(BslBooleanValue))]

[InlineData("True", DataType.Boolean, typeof(BslBooleanValue))]

[InlineData("False", DataType.Boolean, typeof(BslBooleanValue))]

[InlineData("20140105", DataType.Date, typeof(BslDateValue))]

[InlineData("20140105010101", DataType.Date, typeof(BslDateValue))]

[InlineData("Неопределено", DataType.Undefined, typeof(BslUndefinedValue))]

[InlineData("Undefined", DataType.Undefined, typeof(BslUndefinedValue))]

public void ValueFactory_Parse(string literal, DataType type, Type implementation)

{

var value = ValueFactory.Parse(literal, type);

Assert.True(value.SystemType.ImplementingClass == implementation);

}

[Fact]

public void TypeEqualityOnCreationTest()

{

var autoGuid = new GuidWrapper();

var manualGuid = new GuidWrapper("9F3457C0-7D2A-4DCD-B9F9-3D9228986A6A");

var typeManager = new DefaultTypeManager();

var discoverer = new ContextDiscoverer(typeManager, Mock.Of<IGlobalsManager>(), default);

discoverer.DiscoverClasses(typeof(GuidWrapper).Assembly, x => x == typeof(GuidWrapper));

Assert.True(typeManager.IsKnownType(typeof(GuidWrapper)));

var typeFromManager = typeManager.GetTypeByFrameworkType(typeof(GuidWrapper));

Assert.Equal(autoGuid.SystemType, typeFromManager);

Assert.Equal(manualGuid.SystemType, typeFromManager);

Assert.Equal(manualGuid.SystemType, autoGuid.SystemType);

}

public static IEnumerable<object[]> FilledValues => new []

{

new object[] { ValueFactory.Create(1) },

new object[] { ValueFactory.Create("hello") },

new object[] { ValueFactory.Create(DateTime.Now) },

new object[] { ValueFactory.Create(true) },

new object[] { ValueFactory.Create(false) },

new object[] { new GuidWrapper() }

};

public static IEnumerable<object[]> EmptyValues => new []

{

new object[] { ValueFactory.Create(0) },

new object[] { ValueFactory.Create()},

new object[] { ValueFactory.Create(DateTime.MinValue)},

new object[] { ValueFactory.CreateNullValue()},

new object[] { ValueFactory.Create("")},

new object[] { ValueFactory.Create(" ")},

new object[] { new GuidWrapper(Guid.Empty.ToString())}

};

[Theory]

[MemberData(nameof(FilledValues))]

public void ValueFilledTest(IValue value)

{

var globCtx = new StandardGlobalContext();

Assert.True(globCtx.ValueIsFilled(value));

}

[Theory]

[MemberData(nameof(EmptyValues))]

public void ValueEmptyTest(IValue value)

{

var globCtx = new StandardGlobalContext();

Assert.False(globCtx.ValueIsFilled(value));

}

}

}