Take optional string of range text for singleReferenceGroup

Author: sheetalkamat

src/harness/fourslash.ts

@@ -1001,8 +1001,8 @@ namespace FourSlash {
             assert.deepEqual<ReadonlyArray<ts.ReferenceEntry> | undefined>(refs, expected);
         }
 
-        public verifySingleReferenceGroup(definition: FourSlashInterface.ReferenceGroupDefinition, ranges?: Range[]) {
-            ranges = ranges || this.getRanges();
+        public verifySingleReferenceGroup(definition: FourSlashInterface.ReferenceGroupDefinition, ranges?: Range[] | string) {
+            ranges =  ts.isString(ranges) ? this.rangesByText().get(ranges)! : ranges || this.getRanges();
             this.verifyReferenceGroups(ranges, [{ definition, ranges }]);
         }
 
@@ -3971,7 +3971,7 @@ namespace FourSlashInterface {
             this.state.verifyGetReferencesForServerTest(expected);
         }
 
-        public singleReferenceGroup(definition: ReferenceGroupDefinition, ranges?: FourSlash.Range[]) {
+        public singleReferenceGroup(definition: ReferenceGroupDefinition, ranges?: FourSlash.Range[] | string) {
             this.state.verifySingleReferenceGroup(definition, ranges);
         }
 

tests/cases/fourslash/findAllRefsOnDecorators.ts

@@ -13,4 +13,4 @@
 ////    method() {}
 ////}
 
-verify.singleReferenceGroup("function decorator(target: any): any", test.rangesByText().get("decorator"));
+verify.singleReferenceGroup("function decorator(target: any): any", "decorator");

tests/cases/fourslash/findAllRefsOnDefinition.ts

@@ -23,4 +23,4 @@
 ////second.[|start|]();
 ////second.stop();
 
-verify.singleReferenceGroup("(method) Test.start(): this", test.rangesByText().get("start"));
+verify.singleReferenceGroup("(method) Test.start(): this", "start");

tests/cases/fourslash/findAllRefsOnDefinition2.ts

@@ -14,4 +14,4 @@
 ////var start: Second.Test.[|start|];
 ////var stop: Second.Test.stop;
 
-verify.singleReferenceGroup("interface Test.start", test.rangesByText().get("start"));
+verify.singleReferenceGroup("interface Test.start", "start");

tests/cases/fourslash/findAllRefsOnPrivateParameterProperty1.ts

@@ -9,4 +9,4 @@
 ////    }
 ////}
 
-verify.singleReferenceGroup("(property) ABCD.z: number", test.rangesByText().get("z"));
+verify.singleReferenceGroup("(property) ABCD.z: number", "z");

tests/cases/fourslash/findAllRefsPropertyContextuallyTypedByTypeParam01.ts

@@ -17,4 +17,4 @@
 ////    [|[|{| "isWriteAccess": true, "isDefinition": true, "declarationRangeIndex": 5 |}a|]: "ss"|]
 ////};
 
-verify.singleReferenceGroup("(property) IFoo.a: string", test.rangesByText().get("a"));
+verify.singleReferenceGroup("(property) IFoo.a: string", "a");

tests/cases/fourslash/findAllRefsReExport_broken.ts

@@ -3,4 +3,4 @@
 // @Filename: /a.ts
 ////[|export { [|{| "isWriteAccess": true, "isDefinition": true, "declarationRangeIndex": 0 |}x|] };|]
 
-verify.singleReferenceGroup("export x", test.rangesByText().get("x"));
+verify.singleReferenceGroup("export x", "x");

tests/cases/fourslash/findAllRefsReExport_broken2.ts

@@ -3,4 +3,4 @@
 // @Filename: /a.ts
 ////[|export { [|{| "isWriteAccess": true, "isDefinition": true, "declarationRangeIndex": 0 |}x|] } from "nonsense";|]
 
-verify.singleReferenceGroup("export x", test.rangesByText().get("x"));
+verify.singleReferenceGroup("export x", "x");

tests/cases/fourslash/findAllRefsTypedef.ts

@@ -12,4 +12,4 @@
 ////let x;
 ////x.[|p|];
 
-verify.singleReferenceGroup("(property) p: number", test.rangesByText().get("p"));
+verify.singleReferenceGroup("(property) p: number", "p");

tests/cases/fourslash/findAllRefsTypedef_importType.ts

@@ -11,4 +11,4 @@
 /////** @type {import('./a').[|Foo|]} */
 ////const x = 0;
 
-verify.singleReferenceGroup("type Foo = number", test.rangesByText().get("Foo"));
+verify.singleReferenceGroup("type Foo = number", "Foo");