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      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 
     63