dom/bindings/parser/tests/test_newobject.py

   1 import WebIDL
   2
   3
   4 # Import the WebIDL module, so we can do isinstance checks and whatnot
   5 def WebIDLTest(parser, harness):
   6     # Basic functionality
   7     parser.parse(
   8         """
   9         interface Iface {
  10           [NewObject] readonly attribute Iface attr;
  11           [NewObject] Iface method();
  12         };
  13         """
  14     )
  15     results = parser.finish()
  16     harness.ok(results, "Should not have thrown on basic [NewObject] usage")
  17
  18     parser = parser.reset()
  19     threw = False
  20     try:
  21         parser.parse(
  22             """
  23             interface Iface {
  24               [Pure, NewObject] readonly attribute Iface attr;
  25             };
  26             """
  27         )
  28         parser.finish()
  29     except WebIDL.WebIDLError:
  30         threw = True
  31     harness.ok(threw, "[NewObject] attributes must depend on something")
  32
  33     parser = parser.reset()
  34     threw = False
  35     try:
  36         parser.parse(
  37             """
  38             interface Iface {
  39               [Pure, NewObject] Iface method();
  40             };
  41             """
  42         )
  43         parser.finish()
  44     except WebIDL.WebIDLError:
  45         threw = True
  46     harness.ok(threw, "[NewObject] methods must depend on something")
  47
  48     parser = parser.reset()
  49     threw = False
  50     try:
  51         parser.parse(
  52             """
  53             interface Iface {
  54               [Cached, NewObject, Affects=Nothing] readonly attribute Iface attr;
  55             };
  56             """
  57         )
  58         parser.finish()
  59     except WebIDL.WebIDLError:
  60         threw = True
  61     harness.ok(threw, "[NewObject] attributes must not be [Cached]")
  62
  63     parser = parser.reset()
  64     threw = False
  65     try:
  66         parser.parse(
  67             """
  68             interface Iface {
  69               [StoreInSlot, NewObject, Affects=Nothing] readonly attribute Iface attr;
  70             };
  71             """
  72         )
  73         parser.finish()
  74     except WebIDL.WebIDLError:
  75         threw = True
  76     harness.ok(threw, "[NewObject] attributes must not be [StoreInSlot]")