// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// Content after `didOpen`:
//
// ```
// fn SecondFunCTIonNNN() {}
//
// fn ThirdFn() {}
// ```
//
// After first `didChange`:
//
// ```
// fn SecondFunction() {}
//
// fn ThirdFunction() {}
// ```
//
// After second `didChange`:
//
// ```
// fn SecondFunction() {}
//
// fn ThirdFunction() {}
//
// fn FourthFunction() {}
// ```
//
// After third `didChange`:
//
// ```
// fn FirstFunction() {}
//
// fn SecondFunction() {}
//
// fn ThirdFunction() {}
//
// fn FourthFunction() {}
// ```
//
// Fourth `didChange` replaces full content.

// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/language_server/testdata/text_document/incremental_sync.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/language_server/testdata/text_document/incremental_sync.carbon

// --- STDIN
[[@LSP-CALL:initialize]]
[[@LSP-NOTIFY:textDocument/didOpen:
  "textDocument": {"uri": "file:/test.carbon", "languageId": "carbon",
                   "text": "fn SecondFunCTIonNNN() {}\n\nfn ThirdFn() {}\n"}
]]
[[@LSP-NOTIFY:textDocument/didChange:
  "textDocument": {"uri": "file:/test.carbon"},
  "contentChanges": [
    {"range": {"start": {"line": 0, "character": 17},
               "end": {"line": 0, "character": 20}},
     "text": ""},
    {"range": {"start": {"line": 0, "character": 12},
               "end": {"line": 0, "character": 13}},
     "text": "c"},
    {"range": {"start": {"line": 0, "character": 13},
               "end": {"line": 0, "character": 15}},
     "text": "ti"},
    {"range": {"start": {"line": 2, "character": 9},
               "end": {"line": 2, "character": 9}},
     "text": "u"},
    {"range": {"start": {"line": 2, "character": 11},
               "end": {"line": 2, "character": 11}},
     "text": "ction"}
  ]
]]
[[@LSP-NOTIFY:textDocument/didChange:
  "textDocument": {"uri": "file:/test.carbon"},
  "contentChanges": [
    {"range": {"start": {"line": 3, "character": 0},
               "end": {"line": 3, "character": 0}},
     "text": "\nfn FourthFunction() {}\n"}
  ]
]]
[[@LSP-NOTIFY:textDocument/didChange:
  "textDocument": {"uri": "file:/test.carbon"},
  "contentChanges": [
    {"range": {"start": {"line": 0, "character": 0},
               "end": {"line": 0, "character": 0}},
     "text": "fn FirstFunction() {}\n\n"}
  ]
]]
[[@LSP-CALL:textDocument/documentSymbol:
  "textDocument": {"uri": "file:/test.carbon"}
]]
[[@LSP-NOTIFY:textDocument/didChange:
  "textDocument": {"uri": "file:/test.carbon"},
  "contentChanges": [
    {"text": "fn Foo() {}\n\nfn Bar() {}\n"}
  ]
]]
[[@LSP-CALL:textDocument/documentSymbol:
  "textDocument": {"uri": "file:/test.carbon"}
]]
[[@LSP-CALL:shutdown]]
[[@LSP-NOTIFY:exit]]

// --- AUTOUPDATE-SPLIT

// CHECK:STDOUT: Content-Length: 146{{\r}}
// CHECK:STDOUT: {{\r}}
// CHECK:STDOUT: {
// CHECK:STDOUT:   "id": 1,
// CHECK:STDOUT:   "jsonrpc": "2.0",
// CHECK:STDOUT:   "result": {
// CHECK:STDOUT:     "capabilities": {
// CHECK:STDOUT:       "documentSymbolProvider": true,
// CHECK:STDOUT:       "textDocumentSync": 2
// CHECK:STDOUT:     }
// CHECK:STDOUT:   }
// CHECK:STDOUT: }Content-Length: 144{{\r}}
// CHECK:STDOUT: {{\r}}
// CHECK:STDOUT: {
// CHECK:STDOUT:   "jsonrpc": "2.0",
// CHECK:STDOUT:   "method": "textDocument/publishDiagnostics",
// CHECK:STDOUT:   "params": {
// CHECK:STDOUT:     "diagnostics": [],
// CHECK:STDOUT:     "uri": "file:///test.carbon"
// CHECK:STDOUT:   }
// CHECK:STDOUT: }Content-Length: 144{{\r}}
// CHECK:STDOUT: {{\r}}
// CHECK:STDOUT: {
// CHECK:STDOUT:   "jsonrpc": "2.0",
// CHECK:STDOUT:   "method": "textDocument/publishDiagnostics",
// CHECK:STDOUT:   "params": {
// CHECK:STDOUT:     "diagnostics": [],
// CHECK:STDOUT:     "uri": "file:///test.carbon"
// CHECK:STDOUT:   }
// CHECK:STDOUT: }Content-Length: 144{{\r}}
// CHECK:STDOUT: {{\r}}
// CHECK:STDOUT: {
// CHECK:STDOUT:   "jsonrpc": "2.0",
// CHECK:STDOUT:   "method": "textDocument/publishDiagnostics",
// CHECK:STDOUT:   "params": {
// CHECK:STDOUT:     "diagnostics": [],
// CHECK:STDOUT:     "uri": "file:///test.carbon"
// CHECK:STDOUT:   }
// CHECK:STDOUT: }Content-Length: 144{{\r}}
// CHECK:STDOUT: {{\r}}
// CHECK:STDOUT: {
// CHECK:STDOUT:   "jsonrpc": "2.0",
// CHECK:STDOUT:   "method": "textDocument/publishDiagnostics",
// CHECK:STDOUT:   "params": {
// CHECK:STDOUT:     "diagnostics": [],
// CHECK:STDOUT:     "uri": "file:///test.carbon"
// CHECK:STDOUT:   }
// CHECK:STDOUT: }Content-Length: 1741{{\r}}
// CHECK:STDOUT: {{\r}}
// CHECK:STDOUT: {
// CHECK:STDOUT:   "id": 2,
// CHECK:STDOUT:   "jsonrpc": "2.0",
// CHECK:STDOUT:   "result": [
// CHECK:STDOUT:     {
// CHECK:STDOUT:       "kind": 12,
// CHECK:STDOUT:       "name": "FirstFunction",
// CHECK:STDOUT:       "range": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 21,
// CHECK:STDOUT:           "line": 0
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 0,
// CHECK:STDOUT:           "line": 0
// CHECK:STDOUT:         }
// CHECK:STDOUT:       },
// CHECK:STDOUT:       "selectionRange": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 16,
// CHECK:STDOUT:           "line": 0
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 3,
// CHECK:STDOUT:           "line": 0
// CHECK:STDOUT:         }
// CHECK:STDOUT:       }
// CHECK:STDOUT:     },
// CHECK:STDOUT:     {
// CHECK:STDOUT:       "kind": 12,
// CHECK:STDOUT:       "name": "SecondFunction",
// CHECK:STDOUT:       "range": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 22,
// CHECK:STDOUT:           "line": 2
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 0,
// CHECK:STDOUT:           "line": 2
// CHECK:STDOUT:         }
// CHECK:STDOUT:       },
// CHECK:STDOUT:       "selectionRange": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 17,
// CHECK:STDOUT:           "line": 2
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 3,
// CHECK:STDOUT:           "line": 2
// CHECK:STDOUT:         }
// CHECK:STDOUT:       }
// CHECK:STDOUT:     },
// CHECK:STDOUT:     {
// CHECK:STDOUT:       "kind": 12,
// CHECK:STDOUT:       "name": "ThirdFunction",
// CHECK:STDOUT:       "range": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 21,
// CHECK:STDOUT:           "line": 4
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 0,
// CHECK:STDOUT:           "line": 4
// CHECK:STDOUT:         }
// CHECK:STDOUT:       },
// CHECK:STDOUT:       "selectionRange": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 16,
// CHECK:STDOUT:           "line": 4
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 3,
// CHECK:STDOUT:           "line": 4
// CHECK:STDOUT:         }
// CHECK:STDOUT:       }
// CHECK:STDOUT:     },
// CHECK:STDOUT:     {
// CHECK:STDOUT:       "kind": 12,
// CHECK:STDOUT:       "name": "FourthFunction",
// CHECK:STDOUT:       "range": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 22,
// CHECK:STDOUT:           "line": 6
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 0,
// CHECK:STDOUT:           "line": 6
// CHECK:STDOUT:         }
// CHECK:STDOUT:       },
// CHECK:STDOUT:       "selectionRange": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 17,
// CHECK:STDOUT:           "line": 6
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 3,
// CHECK:STDOUT:           "line": 6
// CHECK:STDOUT:         }
// CHECK:STDOUT:       }
// CHECK:STDOUT:     }
// CHECK:STDOUT:   ]
// CHECK:STDOUT: }Content-Length: 144{{\r}}
// CHECK:STDOUT: {{\r}}
// CHECK:STDOUT: {
// CHECK:STDOUT:   "jsonrpc": "2.0",
// CHECK:STDOUT:   "method": "textDocument/publishDiagnostics",
// CHECK:STDOUT:   "params": {
// CHECK:STDOUT:     "diagnostics": [],
// CHECK:STDOUT:     "uri": "file:///test.carbon"
// CHECK:STDOUT:   }
// CHECK:STDOUT: }Content-Length: 873{{\r}}
// CHECK:STDOUT: {{\r}}
// CHECK:STDOUT: {
// CHECK:STDOUT:   "id": 3,
// CHECK:STDOUT:   "jsonrpc": "2.0",
// CHECK:STDOUT:   "result": [
// CHECK:STDOUT:     {
// CHECK:STDOUT:       "kind": 12,
// CHECK:STDOUT:       "name": "Foo",
// CHECK:STDOUT:       "range": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 11,
// CHECK:STDOUT:           "line": 0
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 0,
// CHECK:STDOUT:           "line": 0
// CHECK:STDOUT:         }
// CHECK:STDOUT:       },
// CHECK:STDOUT:       "selectionRange": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 6,
// CHECK:STDOUT:           "line": 0
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 3,
// CHECK:STDOUT:           "line": 0
// CHECK:STDOUT:         }
// CHECK:STDOUT:       }
// CHECK:STDOUT:     },
// CHECK:STDOUT:     {
// CHECK:STDOUT:       "kind": 12,
// CHECK:STDOUT:       "name": "Bar",
// CHECK:STDOUT:       "range": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 11,
// CHECK:STDOUT:           "line": 2
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 0,
// CHECK:STDOUT:           "line": 2
// CHECK:STDOUT:         }
// CHECK:STDOUT:       },
// CHECK:STDOUT:       "selectionRange": {
// CHECK:STDOUT:         "end": {
// CHECK:STDOUT:           "character": 6,
// CHECK:STDOUT:           "line": 2
// CHECK:STDOUT:         },
// CHECK:STDOUT:         "start": {
// CHECK:STDOUT:           "character": 3,
// CHECK:STDOUT:           "line": 2
// CHECK:STDOUT:         }
// CHECK:STDOUT:       }
// CHECK:STDOUT:     }
// CHECK:STDOUT:   ]
// CHECK:STDOUT: }Content-Length: 51{{\r}}
// CHECK:STDOUT: {{\r}}
// CHECK:STDOUT: {
// CHECK:STDOUT:   "id": 4,
// CHECK:STDOUT:   "jsonrpc": "2.0",
// CHECK:STDOUT:   "result": null
// CHECK:STDOUT: }