add test for computed literals

Author: Arthur Ozga

tests/cases/fourslash/codeFixUnImplementedInterfaceComputedPropertyLiterals.ts

@@ -0,0 +1,21 @@
+/// <reference path='fourslash.ts' />
+
+//// interface I {
+////     ["foo"](o: any): boolean;
+////     ["x"]: boolean;
+////     [1](): string;
+////     [2]: boolean;
+//// }
+
+//// class C implements I {[|  |]}
+
+verify.rangeAfterCodeFix(`
+    [1](): string {
+        throw new Error('Method not implemented.');
+    }
+    [2]: boolean;
+    ["foo"](o: any): boolean {
+        throw new Error('Method not implemented.');
+    }
+    ["x"]: boolean;
+`);

tests/cases/fourslash/codeFixUnImplementedInterfaceComputedPropertyNameWellKnownSymbols.ts

@@ -5,7 +5,7 @@
 //// interface I<Species> {
 ////     [Symbol.hasInstance](o: any): boolean;
 ////     [Symbol.isConcatSpreadable]: boolean;
-////     [Symbol.iterator](): Iterator<this>;
+////     [Symbol.iterator](): any;
 ////     [Symbol.match]: boolean;
 ////     [Symbol.replace](...args);
 ////     [Symbol.search](str: string): number;
@@ -20,7 +20,6 @@
 ////
 //// class C implements I<number> {[|  |]}
 
-
 verify.rangeAfterCodeFix(`
     [Symbol.hasInstance](o: any): boolean {
         throw new Error('Method not implemented.');