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ConvertTypeTests.cs
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147 lines (114 loc) · 4.61 KB
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using com.github.javaparser.ast.type;
namespace JavaToCSharp.Tests;
public class ConvertTypeTests
{
[Fact]
public void ConvertType_Int()
{
Assert.Equal("int", TypeHelper.ConvertType("int"));
}
[Fact]
public void ConvertType_String()
{
Assert.Equal("string", TypeHelper.ConvertType("String"));
}
[Fact]
public void ConvertType_Object()
{
Assert.Equal("object", TypeHelper.ConvertType("Object"));
}
[Fact]
public void ConvertType_IntArray_BracketsAfterType()
{
Assert.Equal("int[]", TypeHelper.ConvertType("int[]"));
}
[Fact]
public void ConvertType_GenericSingleParameter()
{
Assert.Equal("MyType<string>", TypeHelper.ConvertType("MyType<String>"));
}
[Fact]
public void ConvertType_GenericMultipleParameters()
{
Assert.Equal("MyType<string, object>", TypeHelper.ConvertType("MyType<String, Object>"));
}
[Fact]
public void ConvertType_WithGenericWildcard_ShouldReplaceToken()
{
Assert.Equal("MyType<TWildcardTodo>", TypeHelper.ConvertType("MyType<?>"));
}
[Fact]
public void ConvertTypeSyntax_GivenNonArrayType_ShouldReturnCorrectSyntax()
{
var type = new PrimitiveType(PrimitiveType.Primitive.INT);
var syntax = TypeHelper.ConvertTypeSyntax(type, 0);
Assert.Equal("int", syntax.ToString());
}
[Fact]
public void ConvertTypeSyntax_GivenNonArrayTypeWithRank_ShouldReturnCorrectSyntax()
{
var type = new PrimitiveType(PrimitiveType.Primitive.INT);
var syntax = TypeHelper.ConvertTypeSyntax(type, 1);
Assert.Equal("int[]", syntax.ToString());
}
[Fact]
public void ConvertTypeSyntax_GivenNonArrayTypeWithMultidimensionalRank_ShouldReturnCorrectSyntax()
{
var type = new PrimitiveType(PrimitiveType.Primitive.INT);
var syntax = TypeHelper.ConvertTypeSyntax(type, 2);
Assert.Equal("int[,]", syntax.ToString());
}
[Fact]
public void ConvertTypeSyntax_GivenArrayTypeWithoutRank_ShouldReturnCorrectSyntax()
{
var type = new ArrayType(new PrimitiveType(PrimitiveType.Primitive.INT));
var syntax = TypeHelper.ConvertTypeSyntax(type, 0);
Assert.Equal("int[]", syntax.ToString());
}
[Fact]
public void ConvertTypeSyntax_GivenArrayTypeWithRank_ShouldReturnCorrectSyntax()
{
var type = new ArrayType(new PrimitiveType(PrimitiveType.Primitive.INT));
var syntax = TypeHelper.ConvertTypeSyntax(type, 1);
Assert.Equal("int[]", syntax.ToString());
}
[Fact]
public void ConvertTypeSyntax_GivenArrayTypeWithMultidimensionalRank_ShouldReturnCorrectSyntax()
{
var type = new ArrayType(new ArrayType(new PrimitiveType(PrimitiveType.Primitive.INT)));
var syntax = TypeHelper.ConvertTypeSyntax(type, 2);
Assert.Equal("int[,]", syntax.ToString());
}
[Fact]
public void ConvertTypeSyntax_GivenMismatchedRank_ShouldThrowException()
{
var type = new ArrayType(new ArrayType(new PrimitiveType(PrimitiveType.Primitive.INT)));
Assert.Throws<ArgumentException>(() => TypeHelper.ConvertTypeSyntax(type, 1));
}
[Theory]
[InlineData("GenericClass<T>", "GenericClass<T>")]
[InlineData("GenericClass<T extends BoundType<T>>", "GenericClass<T>\n where T : BoundType<T>")]
[InlineData("GenericClass<T extends BoundType>", "GenericClass<T>\n where T : BoundType")]
[InlineData("GenericClass<T, U>", "GenericClass<T, U>")]
[InlineData("GenericClass<T, U extends BoundType<U>>", "GenericClass<T, U>\n where U : BoundType<U>")]
[InlineData("GenericClass<T extends BoundType1<T>, U extends BoundType2<U>>", "GenericClass<T, U>\n where T : BoundType1<T> where U : BoundType2<U>")]
[InlineData("GenericClass<T extends BoundType1<T> & BoundType2<T>>", "GenericClass<T>\n where T : BoundType1<T>, BoundType2<T>")]
public void ConvertClassTypeBoundedParameters(string javaClass, string csharpClass)
{
string javaCode = $$"""
public class {{javaClass}} { }
""";
var options = new JavaConversionOptions
{
IncludeUsings = false,
IncludeNamespace = false,
};
var parsed = JavaToCSharpConverter.ConvertText(javaCode, options) ?? "";
string expected = $$"""
public class {{csharpClass}}
{
}
""";
Assert.Equal(expected.ReplaceLineEndings(), parsed.ReplaceLineEndings());
}
}