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Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,9 @@
<Compile Include="..\service\SyntaxTreeTests\SynIdentTests.fs">
<Link>SyntaxTree\SynIdentTests.fs</Link>
</Compile>
<Compile Include="..\service\SyntaxTreeTests\SynTypeTests.fs">
<Link>SyntaxTree\SynTypeTests.fs</Link>
</Compile>
<Compile Include="..\service\SyntaxTreeTests\AttributeTests.fs">
<Link>SyntaxTree\AttributeTests.fs</Link>
</Compile>
Expand Down
51 changes: 51 additions & 0 deletions tests/service/SyntaxTreeTests/SynTypeTests.fs
Original file line number Diff line number Diff line change
@@ -0,0 +1,51 @@
module FSharp.Compiler.Service.Tests.SyntaxTreeTests.SynTypeTests

open FSharp.Compiler.Service.Tests.Common
open FSharp.Compiler.Syntax
open NUnit.Framework

[<Test>]
let ``SynType.Tuple does include leading parameter name`` () =
let parseResults =
getParseResultsOfSignatureFile
"""
type T =
member M: p1: a * p2: b -> int
"""

match parseResults with
| ParsedInput.SigFile(ParsedSigFileInput(contents = [
SynModuleOrNamespaceSig(decls = [
SynModuleSigDecl.Types(types = [
SynTypeDefnSig(typeRepr = SynTypeDefnSigRepr.ObjectModel(memberSigs = [
SynMemberSig.Member(memberSig = SynValSig(synType =
SynType.Fun(argType = SynType.Tuple(_, _, mTuple))))
]))
])
])
])) ->
assertRange (3, 14) (3, 27) mTuple
| _ -> Assert.Fail $"Could not get valid AST, got {parseResults}"

[<Test>]
let ``SynType.Tuple does include leading parameter attributes`` () =
let parseResults =
getParseResultsOfSignatureFile
"""
type T =
member M: [<SomeAttribute>] a * [<OtherAttribute>] b -> int
"""

match parseResults with
| ParsedInput.SigFile(ParsedSigFileInput(contents = [
SynModuleOrNamespaceSig(decls = [
SynModuleSigDecl.Types(types = [
SynTypeDefnSig(typeRepr = SynTypeDefnSigRepr.ObjectModel(memberSigs = [
SynMemberSig.Member(memberSig = SynValSig(synType =
SynType.Fun(argType = SynType.Tuple(_, _, mTuple))))
]))
])
])
])) ->
assertRange (3, 14) (3, 56) mTuple
| _ -> Assert.Fail $"Could not get valid AST, got {parseResults}"