net/data/proxy_resolver_v8_unittest/bindings.js

   1 // Try calling the browser-side bound functions with varying (invalid)
   2 // inputs. There is no notion of "success" for this test, other than
   3 // verifying the correct C++ bindings were reached with expected values.
   4
   5 function MyObject() {
   6   this.x = "3";
   7 }
   8
   9 MyObject.prototype.toString = function() {
  10   throw "exception from calling toString()";
  11 }
  12
  13 function expectEquals(expectation, actual) {
  14   if (!(expectation === actual)) {
  15     throw "FAIL: expected: " + expectation + ", actual: " + actual;
  16   }
  17 }
  18
  19 function FindProxyForURL(url, host) {
  20   // Call dnsResolve with some wonky arguments.
  21   // Those expected to fail (because we have passed a non-string parameter)
  22   // will return |null|, whereas those that have called through to the C++
  23   // bindings will return '127.0.0.1'.
  24   expectEquals(null, dnsResolve());
  25   expectEquals(null, dnsResolve(null));
  26   expectEquals(null, dnsResolve(undefined));
  27   expectEquals('127.0.0.1', dnsResolve(""));
  28   expectEquals(null, dnsResolve({foo: 'bar'}));
  29   expectEquals(null, dnsResolve(fn));
  30   expectEquals(null, dnsResolve(['3']));
  31   expectEquals('127.0.0.1', dnsResolve("arg1", "arg2", "arg3", "arg4"));
  32
  33   // Call alert with some wonky arguments.
  34   alert();
  35   alert(null);
  36   alert(undefined);
  37   alert({foo:'bar'});
  38
  39   // This should throw an exception when we toString() the argument
  40   // to alert in the bindings.
  41   try {
  42     alert(new MyObject());
  43   } catch (e) {
  44     alert(e);
  45   }
  46
  47   // Call myIpAddress() with wonky arguments
  48   myIpAddress(null);
  49   myIpAddress(null, null);
  50
  51   // Call myIpAddressEx() correctly (no arguments).
  52   myIpAddressEx();
  53
  54   // Call dnsResolveEx() (note that isResolvableEx() implicity calls it.)
  55   isResolvableEx("is_resolvable");
  56   dnsResolveEx("foobar");
  57
  58   return "DIRECT";
  59 }
  60
  61 function fn() {}
  62