new tester; all tests categorized

tests/effects/teffects6.nim

@@ -0,0 +1,31 @@
+
+type
+  PMenu = ref object
+  PMenuItem = ref object
+
+proc createMenuItem*(menu: PMenu, label: string, 
+                     action: proc (i: PMenuItem, p: pointer) {.cdecl.}) = nil
+
+var s: PMenu
+createMenuItem(s, "Go to definition...",
+      proc (i: PMenuItem, p: pointer) {.cdecl.} =
+        try:
+          echo(i.repr)
+        except EInvalidValue:
+          echo("blah")
+)
+
+
+proc noRaise(x: proc()) {.raises: [].} =
+  # unknown call that might raise anything, but valid:
+  x()
+  
+proc doRaise() {.raises: [EIO].} =
+  raise newException(EIO, "IO")
+
+proc use*() =
+  noRaise(doRaise)
+  # Here the compiler inferes that EIO can be raised.
+
+
+use()