[Fact]
public async Task Disallow_default_when_creating_variable()
{
var source = $$"""
using System;
using Intellenum;
namespace Whatever;
[Intellenum(typeof(int))]
public partial class MyVo { }
public class Test {
public Test() {
MyVo c = {|#0:default|};
MyVo c2 = {|#1:default(MyVo)|};
}
}
""";
await Run(source, VerifyCS.Diagnostics("INTELLENUM009", DiagnosticSeverity.Error, "MyVo", [0, 1]));
}
[Fact]
public async Task Disallow_default_for_method_return_type()
{
var source = $$"""
using System;
using Intellenum;
namespace Whatever;
[Intellenum]
public partial class MyVo { }
public class Test {
public MyVo Get() => {|#0:default|};
public MyVo Get2() => {|#1:default(MyVo)|};
}
""";
int[] locations = [0, 1];
await Run(source, VerifyCS.Diagnostics("INTELLENUM009", DiagnosticSeverity.Error, "MyVo", locations));
}
[Fact]
public async Task Disallow_default_from_local_function_return()
{
var source = $$"""
using System;
using Intellenum;
namespace Whatever;
[Intellenum]
public partial class MyVo { }
public class Test {
public Test() {
MyVo Get() => {|#0:default|};
MyVo Get2() => {|#1:default(MyVo)|};
}
}
""";
int[] locations = [0, 1];
await Run(
source,
VerifyCS.Diagnostics("INTELLENUM009", DiagnosticSeverity.Error, "MyVo", locations));
}
[Fact]
public async Task Disallow_default_from_func()
{
var source = $$"""
using System;
using System.Threading.Tasks;
using Intellenum;
namespace Whatever;
[Intellenum]
public partial class MyVo { }
public class Test {
Func<MyVo> f = () => {|#0:default(MyVo)|};
Func<MyVo> f2 = () => {|#1:default|};
Func<int, int, MyVo, string, MyVo> f3 = (a,b,c,d) => {|#2:default(MyVo)|};
Func<int, int, MyVo, string, MyVo> f4 = (a,b,c,d) => {|#3:default|};
Func<int, int, MyVo, string, Task<MyVo>> f5 = async (a,b,c,d) => await Task.FromResult({|#4:default(MyVo)|});
}
""";
await Run(source, VerifyCS.Diagnostics("INTELLENUM009", DiagnosticSeverity.Error, "MyVo", [0, 1, 2, 3, 4]));
}
private async Task Run(string source, IEnumerable<DiagnosticResult> expected)
{
VerifyCS.Test test = new VerifyCS.Test
{
TestState =
{
Sources = { source },
},
CompilerDiagnostics = CompilerDiagnostics.Errors,
ReferenceAssemblies = References.Net80AndOurs.Value,
};
test.ExpectedDiagnostics.AddRange(expected);
