/services/sync/tests/unit/test_utils_deferGetSet.js

http://github.com/zpao/v8monkey · JavaScript · 45 lines · 38 code · 7 blank · 0 comment · 0 complexity · e51c4d4e4dd0b5994527fa4ff3212366 MD5 · raw file 

    

  1. _("Make sure various combinations of deferGetSet arguments correctly defer getting/setting properties to another object");
    2. 

  2. Cu.import("resource://services-sync/util.js");
    3. 

  3. 

  4. function run_test() {
    5. 

  5.   let base = function() {};
    6. 

  6.   base.prototype = {
    7. 

  7.     dst: {},
    8. 

  8. 

  9.     get a() "a",
    10. 

  10.     set b(val) this.dst.b = val + "!!!"
    11. 

  11.   };
    12. 

  12.   let src = new base();
    13. 

  13. 

  14.   _("get/set a single property");
    15. 

  15.   Utils.deferGetSet(base, "dst", "foo");
    16. 

  16.   src.foo = "bar";
    17. 

  17.   do_check_eq(src.dst.foo, "bar");
    18. 

  18.   do_check_eq(src.foo, "bar");
    19. 

  19. 

  20.   _("editing the target also updates the source");
    21. 

  21.   src.dst.foo = "baz";
    22. 

  22.   do_check_eq(src.dst.foo, "baz");
    23. 

  23.   do_check_eq(src.foo, "baz");
    24. 

  24. 

  25.   _("handle multiple properties");
    26. 

  26.   Utils.deferGetSet(base, "dst", ["p1", "p2"]);
    27. 

  27.   src.p1 = "v1";
    28. 

  28.   src.p2 = "v2";
    29. 

  29.   do_check_eq(src.p1, "v1");
    30. 

  30.   do_check_eq(src.dst.p1, "v1");
    31. 

  31.   do_check_eq(src.p2, "v2");
    32. 

  32.   do_check_eq(src.dst.p2, "v2");
    33. 

  33. 

  34.   _("make sure existing getter keeps its functionality");
    35. 

  35.   Utils.deferGetSet(base, "dst", "a");
    36. 

  36.   src.a = "not a";
    37. 

  37.   do_check_eq(src.dst.a, "not a");
    38. 

  38.   do_check_eq(src.a, "a");
    39. 

  39. 

  40.   _("make sure existing setter keeps its functionality");
    41. 

  41.   Utils.deferGetSet(base, "dst", "b");
    42. 

  42.   src.b = "b";
    43. 

  43.   do_check_eq(src.dst.b, "b!!!");
    44. 

  44.   do_check_eq(src.b, "b!!!");
    45. 

  45. }
    46.