[Test] Remove redundant signature parameter name="" in swift-ide-test

Author: a7medev

test/IDE/signature_help_closure_param.swift

@@ -5,5 +5,5 @@ func apply<Value, Result>(value: Value, body: (Value) -> Result) -> Result {
 }
 
 // CLOSURE_PARAM:      Begin signatures, 1 items
-// CLOSURE_PARAM-NEXT: Signature[Active]: body(<param name="" active>Value</param>) -> Result
+// CLOSURE_PARAM-NEXT: Signature[Active]: body(<param active>Value</param>) -> Result
 // CLOSURE_PARAM-NEXT: End signatures

test/IDE/signature_help_currying.swift

@@ -54,7 +54,7 @@ func testCurryMemberFull() {
 }
 
 // CURRY_TOPLEVEL:      Begin signatures, 1 items
-// CURRY_TOPLEVEL-NEXT: Signature[Active]: (<param name="" active>Double</param>) -> (String) -> Void
+// CURRY_TOPLEVEL-NEXT: Signature[Active]: (<param active>Double</param>) -> (String) -> Void
 // CURRY_TOPLEVEL-NEXT: End signatures
 
 // CURRY_MEMBER_PARTIAL:      Begin signatures, 8 items

test/IDE/signature_help_enum_case.swift

@@ -19,5 +19,5 @@ func testUnlabled() {
 // LABELLED-NEXT: End signatures
 
 // UNLABELLED:      Begin signatures, 1 items
-// UNLABELLED-NEXT: Signature[Active]: qrCode(<param name="" active>String</param>) -> Barcode
+// UNLABELLED-NEXT: Signature[Active]: qrCode(<param active>String</param>) -> Barcode
 // UNLABELLED-NEXT: End signatures

test/IDE/signature_help_member_closure.swift

@@ -9,5 +9,5 @@ struct Observable {
 }
 
 // MEMBER_CLOSURE:      Begin signatures, 1 items
-// MEMBER_CLOSURE-NEXT: Signature[Active]: observer(<param name="">String</param>, <param name="" active>Int?</param>, <param name="">[AnyHashable : [Double?]]</param>) async throws -> [Observable?]
+// MEMBER_CLOSURE-NEXT: Signature[Active]: observer(<param>String</param>, <param active>Int?</param>, <param>[AnyHashable : [Double?]]</param>) async throws -> [Observable?]
 // MEMBER_CLOSURE-NEXT: End signatures

test/IDE/signature_help_member_subscript.swift

@@ -18,7 +18,7 @@ let matrix = Matrix()
 matrix[#^MEMBER_SUBSCRIPT^#]
 
 // MEMBER_SUBSCRIPT:      Begin signatures, 4 items
-// MEMBER_SUBSCRIPT-NEXT: Signature[Active]: subscript(<param name="" active>keyPath: KeyPath<Matrix, Value></param>) -> Value
+// MEMBER_SUBSCRIPT-NEXT: Signature[Active]: subscript(<param active>keyPath: KeyPath<Matrix, Value></param>) -> Value
 // MEMBER_SUBSCRIPT-NEXT: Signature: subscript(<param name="row" active>row: Int</param>, <param name="column">column: Int</param>) -> Int
 // MEMBER_SUBSCRIPT-NEXT: Signature: subscript(<param name="r" active>row: Int</param>) -> [Int]
 // MEMBER_SUBSCRIPT-NEXT: Signature: subscript(<param name="c" active>column: Int</param>) -> [Int]

tools/swift-ide-test/swift-ide-test.cpp

@@ -1501,7 +1501,10 @@ static void printSignatureHelpResultsImpl(const FormattedSignatureHelp &Result,
                                             Param.Offset - currentPos);
       }
 
-      signatureOS << "<param name=\"" << Param.Name << "\"";
+      signatureOS << "<param";
+      if (!Param.Name.empty()) {
+        signatureOS << " name=\"" << Param.Name << '"';
+      }
       if (Signature.ActiveParam && *Signature.ActiveParam == j) {
         signatureOS << " active";
       }