add tests for redundant-return

1 files changed, 37 insertions, 0 deletions

diff --git a/test/diagnostics/init.lua b/test/diagnostics/init.lua
index c526560a..ab55cd92 100644
--- a/test/diagnostics/init.lua
+++ b/test/diagnostics/init.lua
@@ -1311,6 +1311,43 @@ end
 local val = {}
 location('uri', val)
 ]]
+
+-- redundant-return
+TEST [[
+local function f()
+    <!return!>
+end
+f()
+]]
+
+TEST [[
+local function f()
+    return nil
+end
+f()
+]]
+
+TEST [[
+local function f()
+    local function x()
+        <!return!>
+    end
+    x()
+    return true
+end
+f()
+]]
+
+TEST [[
+local function f()
+    local function x()
+        return true
+    end
+    return x()
+end
+f()
+]]
+
 ---TODO(arthur)
 do return end