1 files changed, 26 insertions, 0 deletions
diff --git a/cli/tests/integration/lsp_tests.rs b/cli/tests/integration/lsp_tests.rs
index 665fa6275..218b1db40 100644
--- a/cli/tests/integration/lsp_tests.rs
+++ b/cli/tests/integration/lsp_tests.rs
@@ -8549,6 +8549,32 @@ Deno.test({
     _ => panic!("unexpected message {}", json!(notification)),
   }
 
+  // Regression test for https://github.com/denoland/vscode_deno/issues/899.
+  temp_dir.write("./test.ts", "");
+  client.write_notification(
+    "textDocument/didChange",
+    json!({
+      "textDocument": {
+        "uri": temp_dir.uri().join("test.ts").unwrap(),
+        "version": 2
+      },
+      "contentChanges": [{ "text": "" }],
+    }),
+  );
+
+  assert_eq!(client.read_diagnostics().all().len(), 0);
+
+  let (method, notification) = client.read_notification::<Value>();
+  assert_eq!(method, "deno/testModuleDelete");
+  assert_eq!(
+    notification,
+    Some(json!({
+      "textDocument": {
+        "uri": temp_dir.uri().join("test.ts").unwrap()
+      }
+    }))
+  );
+
   client.shutdown();
 }