Add a testcase

Author: core-dumpling

src/testRunner/unittests/comments.ts

@@ -11,6 +11,7 @@ describe("comment parsing", () => {
     const withTrailing = `;/* comment */
 // another one
 `;
+    const endingInHyphen = "/**comment-*/";
     it("skips shebang", () => {
         const result = ts.getLeadingCommentRanges(withShebang, 0);
         assert.isDefined(result);
@@ -29,4 +30,16 @@ describe("comment parsing", () => {
         assert.strictEqual(result.length, 1);
         assert.strictEqual(result[0].kind, ts.SyntaxKind.SingleLineCommentTrivia);
     });
+
+    it("parses /** block comments ending in hyphen", () => {
+        const sourceFile = ts.createSourceFile(
+            "file.ts",
+            `${endingInHyphen}\nconst x = 1;`,
+            ts.ScriptTarget.ESNext,
+            true,
+        );
+
+        assert.strictEqual(sourceFile.parseDiagnostics.length, 0);
+        assert.strictEqual(sourceFile.statements.length, 1);
+    });
 });