llvm-project/clang-tools-extra/clangd/test/semantic-tokens.test

# RUN: clangd -lit-test < %s | FileCheck -strict-whitespace %s -implicit-check-not=semanticHighlight
# Send capabilities for both Theia semanticHighlight & standard semanticTokens.
# clangd should not use/acknowledge the Theia protocol.
{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"capabilities":{"textDocument":{
  "semanticHighlightingCapabilities":{"semanticHighlighting":true},
  "semanticTokens":{"dynamicRegistration":true}
}}}}
---
{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{
  "uri": "test:///foo.cpp",
  "languageId": "cpp",
  "text": "int x = 2;"
}}}
---
# Non-incremental token request.
{"jsonrpc":"2.0","id":1,"method":"textDocument/semanticTokens/full","params":{"textDocument":{"uri":"test:///foo.cpp"}}}
# CHECK:       "id": 1,
# CHECK-NEXT:  "jsonrpc": "2.0",
# CHECK-NEXT:  "result": {
# CHECK-NEXT:    "data": [
#                  First line, char 5, variable, declaration+globalScope
# CHECK-NEXT:      0,
# CHECK-NEXT:      4,
# CHECK-NEXT:      1,
# CHECK-NEXT:      0,
# CHECK-NEXT:      1025
# CHECK-NEXT:    ],
# CHECK-NEXT:    "resultId": "1"
# CHECK-NEXT:  }
---
{"jsonrpc":"2.0","method":"textDocument/didChange","params":{
  "textDocument": {"uri":"test:///foo.cpp","version":2},
  "contentChanges":[{"text":"int x = 2;\nint y = 3;"}]
}}
---
# Incremental token request, based on previous response.
{"jsonrpc":"2.0","id":2,"method":"textDocument/semanticTokens/full/delta","params":{
  "textDocument": {"uri":"test:///foo.cpp"},
  "previousResultId": "1"
}}
# CHECK:       "id": 2,
# CHECK-NEXT:  "jsonrpc": "2.0",
# CHECK-NEXT:  "result": {
# CHECK-NEXT:    "edits": [
# CHECK-NEXT:      {
# CHECK-NEXT:        "data": [
#                      Next line, char 5, variable, declaration+globalScope
# CHECK-NEXT:          1,
# CHECK-NEXT:          4,
# CHECK-NEXT:          1,
# CHECK-NEXT:          0,
# CHECK-NEXT:          1025
# CHECK-NEXT:        ],
#                    Inserted at position 1
# CHECK-NEXT:        "deleteCount": 0,
# CHECK-NEXT:        "start": 5
# CHECK-NEXT:      }
# CHECK-NEXT:    ],
# CHECK-NEXT:    "resultId": "2"
# CHECK-NEXT:  }
---
# Incremental token request with incorrect baseline => full tokens list.
{"jsonrpc":"2.0","id":2,"method":"textDocument/semanticTokens/full/delta","params":{
  "textDocument": {"uri":"test:///foo.cpp"},
  "previousResultId": "bogus"
}}
# CHECK:       "id": 2,
# CHECK-NEXT:  "jsonrpc": "2.0",
# CHECK-NEXT:  "result": {
# CHECK-NEXT:    "data": [
# CHECK-NEXT:      0,
# CHECK-NEXT:      4,
# CHECK-NEXT:      1,
# CHECK-NEXT:      0,
# CHECK-NEXT:      1025,
# CHECK-NEXT:      1,
# CHECK-NEXT:      4,
# CHECK-NEXT:      1,
# CHECK-NEXT:      0,
# CHECK-NEXT:      1025
# CHECK-NEXT:    ],
# CHECK-NEXT:    "resultId": "3"
# CHECK-NEXT:  }
---
{"jsonrpc":"2.0","id":3,"method":"shutdown"}
---
{"jsonrpc":"2.0","method":"exit"}