test/clangd/protocol.test

# RUN: clangd -run-synchronously < %s | FileCheck %s
# RUN: clangd -run-synchronously < %s 2>&1 | FileCheck -check-prefix=STDERR %s
# vim: fileformat=dos
# It is absolutely vital that this file has CRLF line endings.
#
# Test protocol parsing
Content-Length: 125
Content-Type: application/vscode-jsonrpc; charset-utf-8

{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}
# Test message with Content-Type after Content-Length
#
# CHECK: "jsonrpc":"2.0","id":0,"result":{"capabilities":{
# CHECK-DAG: "textDocumentSync": 1,
# CHECK-DAG: "documentFormattingProvider": true,
# CHECK-DAG: "documentRangeFormattingProvider": true,
# CHECK-DAG: "documentOnTypeFormattingProvider": {"firstTriggerCharacter":"}","moreTriggerCharacter":[]},
# CHECK-DAG: "codeActionProvider": true,
# CHECK-DAG: "completionProvider": {"resolveProvider": false, "triggerCharacters": [".",">",":"]},
# CHECK-DAG: "definitionProvider": true
# CHECK: }}

Content-Length: 246

{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///main.cpp","languageId":"cpp","version":1,"text":"struct fake { int a, bb, ccc; int f(int i, const float f) const; };\nint main() {\n  fake f;\n  f.\n}\n"}}}

Content-Type: application/vscode-jsonrpc; charset-utf-8
Content-Length: 146

{"jsonrpc":"2.0","id":1,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}
# Test message with Content-Type before Content-Length
#
# CHECK: {"jsonrpc":"2.0","id":1,"result":[
# CHECK-DAG: {"label":"a","kind":5,"detail":"int","sortText":"000035a","filterText":"a","insertText":"a","insertTextFormat":1}
# CHECK: ]}

X-Test: Testing
Content-Type: application/vscode-jsonrpc; charset-utf-8
Content-Length: 146
Content-Type: application/vscode-jsonrpc; charset-utf-8
X-Testing: Test

{"jsonrpc":"2.0","id":2,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}

Content-Type: application/vscode-jsonrpc; charset-utf-8
Content-Length: 10
Content-Length: 146

{"jsonrpc":"2.0","id":3,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}
# Test message with duplicate Content-Length headers
#
# CHECK: {"jsonrpc":"2.0","id":3,"result":[
# CHECK-DAG: {"label":"a","kind":5,"detail":"int","sortText":"000035a","filterText":"a","insertText":"a","insertTextFormat":1}
# CHECK: ]}
# STDERR: Warning: Duplicate Content-Length header received. The previous value for this message (10) was ignored.

Content-Type: application/vscode-jsonrpc; charset-utf-8
Content-Length: 10

{"jsonrpc":"2.0","id":4,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}
# Test message with malformed Content-Length
#
# STDERR: JSON dispatch failed!
# Ensure we recover by sending another (valid) message

Content-Length: 146

{"jsonrpc":"2.0","id":5,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}
# Test message with Content-Type before Content-Length
#
# CHECK: {"jsonrpc":"2.0","id":5,"result":[
# CHECK-DAG: {"label":"a","kind":5,"detail":"int","sortText":"000035a","filterText":"a","insertText":"a","insertTextFormat":1}
# CHECK: ]}

Content-Length: 1024

{"jsonrpc":"2.0","id":5,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}
# Test message which reads beyond the end of the stream.
#
# Ensure this is the last test in the file!
# STDERR: Input was aborted. Read only {{[0-9]+}} bytes of expected {{[0-9]+}}.