Throw errors that make sense if we get nonnumbers for setValue (#3081)

* Typecheck and throw errors that make sense if we get nonnumbers for setValue
Mudlet · Sep 14, 2019 · 386cb4d · 386cb4d
1 parent dc14cec
commit 386cb4d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/mudlet-lua/lua/geyser/GeyserGauge.lua b/src/mudlet-lua/lua/geyser/GeyserGauge.lua
@@ -31,6 +31,8 @@ Geyser.Gauge = Geyser.Container:new({
 -- @param maxValue Maximum numeric value.  Optionally nil, see above.
 -- @param text The text to display on the gauge, it is optional.
 function Geyser.Gauge:setValue (currentValue, maxValue, text)
+  assert(type(currentValue) == "number", string.format("bad argument #1 type (currentValue as number expected, got %s!)", type(currentValue)))
+  assert(maxValue == nil or type(maxValue) == "number", string.format("bad argument #2 type (optional maxValue as number expected, got %s!)", type(maxValue)))
   -- Use sensible defaults for missing parameters.
   if currentValue < 0 then
     currentValue = 0