# RUN: clangd -lit-test < %s | FileCheck -strict-whitespace %s
# Start a session.
{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}
---
{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///main.cpp","languageId":"cpp","version":1,"text":"void x(int);\nint main(){\nx("}}}
---
{"jsonrpc":"2.0","id":1,"method":"textDocument/signatureHelp","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":2,"character":2}}}
#      CHECK: "id": 1,
# CHECK-NEXT: "jsonrpc": "2.0",
# CHECK-NEXT: "result": {
# CHECK-NEXT:   "activeParameter": 0,
# CHECK-NEXT:   "activeSignature": 0,
# CHECK-NEXT:   "signatures": [
# CHECK-NEXT:     {
# CHECK-NEXT:       "label": "x(int) -> void",
# CHECK-NEXT:       "parameters": [
# CHECK-NEXT:         {
# CHECK-NEXT:           "label": "int"
# CHECK-NEXT:         }
# CHECK-NEXT:       ]
# CHECK-NEXT:     }
# CHECK-NEXT:   ]
# CHECK-NEXT: }
---
{"jsonrpc":"2.0","id":100000,"method":"shutdown"}
---
{"jsonrpc":"2.0","method":"exit"}