1 files changed, 24 insertions, 0 deletions
diff --git a/test/diagnostics/duplicate-index.lua b/test/diagnostics/duplicate-index.lua
new file mode 100644
index 00000000..3289c736
--- /dev/null
+++ b/test/diagnostics/duplicate-index.lua
@@ -0,0 +1,24 @@
+TEST [[
+return {
+    <!x!> = 1,
+    y = 2,
+    <!x!> = 3,
+}
+]]
+
+TEST [[
+return {
+    x = 1,
+    y = 2,
+}, {
+    x = 1,
+    y = 2,
+}
+]]
+
+TEST [[
+return {
+    1, <!2!>, 3,
+    [<!2!>] = 4,
+}
+]]