1 files changed, 28 insertions, 0 deletions
diff --git a/clangd/test/trace.test b/clangd/test/trace.test
new file mode 100644
index 00000000..cb6a226b
--- /dev/null
+++ b/clangd/test/trace.test
@@ -0,0 +1,28 @@
+# RUN: env CLANGD_TRACE=%t clangd -lit-test < %s && FileCheck %s < %t
+{"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:///foo.c","languageId":"c","version":1,"text":"void main() {}"}}}
+# These assertions are a bit loose, to avoid brittleness.
+# CHECK: {
+# CHECK:   "displayTimeUnit": "ns",
+# CHECK:   "traceEvents": [
+# CHECK:     {
+# CHECK:       "ph": "X",
+# CHECK:       "name": "BuildPreamble",
+# CHECK:       "args": {
+# CHECK:         "File": "{{.*(/|\\)}}foo.c"
+# CHECK:       },
+# CHECK:     }
+# CHECK:     {
+# CHECK:       "ph": "X",
+# CHECK:       "name": "BuildAST",
+# CHECK:       "args": {
+# CHECK:         "File": "{{.*(/|\\)}}foo.c"
+# CHECK:       },
+# CHECK:     }
+# CHECK:   ]
+# CHECK: }
+---
+{"jsonrpc":"2.0","id":5,"method":"shutdown"}
+---
+{"jsonrpc":"2.0","method":"exit"}