Minimal PASSING case

condensed.js

var goog = goog || {};

goog.typeOf = function(value) {
  var s = typeof value;
  if (s == "object") {
    if (value) {
      if (value instanceof Array) {
        return "array";
      } else {
        if (value instanceof Object) {
          return s;
        }
      }
      var className = Object.prototype.toString.call((value));
      if (className == "[object Window]") {
        return "object";
      }
      if (className == "[object Array]" || typeof value.length == "number" && typeof value.splice != "undefined" && typeof value.propertyIsEnumerable != "undefined" && !value.propertyIsEnumerable("splice")) {
        return "array";
      }
      if (className == "[object Function]" || typeof value.call != "undefined" && typeof value.propertyIsEnumerable != "undefined" && !value.propertyIsEnumerable("call")) {
        return "function";
      }
    } else {
      return "null";
    }
  } else {
    if (s == "function" && typeof value.call == "undefined") {
      return "object";
    }
  }
  return s;
};

// Utilities

var cljs = {};
cljs.core = {};

cljs.core.missing_protocol = function cljs$core$missing_protocol(proto, obj) {
  return new Error(["No protocol method ", proto, " defined for: ", obj].join(""));
};

// Deref

cljs.core._deref = function cljs$core$_deref(o) {
  if (function() {
    var and__3880__auto__ = o;
    if (and__3880__auto__) {
      return o.cljs$core$IDeref$_deref$arity$1;
    } else {
      return and__3880__auto__;
    }
  }()) {
    return o.cljs$core$IDeref$_deref$arity$1(o);
  } else {
    var x__4528__auto__ = o == null ? null : o;
    return function() {
      var or__3892__auto__ = cljs.core._deref[function() {
        var G__6130 = x__4528__auto__;
        return goog.typeOf(G__6130);
      }()];
      if (or__3892__auto__) {
        return or__3892__auto__;
      } else {
        var or__3892__auto____$1 = cljs.core._deref["_"];
        if (or__3892__auto____$1) {
          return or__3892__auto____$1;
        } else {
          throw cljs.core.missing_protocol("IDeref.-deref", o);
        }
      }
    }().call(null, o);
  }
};

// Volatile

cljs.core.Volatile = function(state) {
  this.state = state;
  this.cljs$lang$protocol_mask$partition0$ = 32768;
  this.cljs$lang$protocol_mask$partition1$ = 0;
};
cljs.core.Volatile.prototype.cljs$core$IDeref$_deref$arity$1 = function(_) {
  var self__ = this;
  var ___$1 = this;
  return self__.state;
};

cljs.core.volatile_BANG_ = function cljs$core$volatile_BANG_(val) {
  return new cljs.core.Volatile(val);
};

// MyCustomAtom

cljs.core_test = {};
cljs.core_test.MyCustomAtom = function(state) {
  this.state = state;
  this.cljs$lang$protocol_mask$partition0$ = 32768;
  this.cljs$lang$protocol_mask$partition1$ = 0;
};
cljs.core_test.MyCustomAtom.prototype.cljs$core$IDeref$_deref$arity$1 = function(_) {
  var self__ = this;
  var ___$1 = this;
  return self__.state;
};

// Tests

cljs.core_test.test_919_generic_cas = {};
cljs.core_test.test_919_generic_cas.cljs$lang$test = function() {
  var ret__6026__auto__ = function() {
    var a0 = new cljs.core_test.MyCustomAtom(10);
    try {
        var values__5968__auto__ = cljs.core._deref.call(null, a0); 
        return values__5968__auto__;
    } catch (e6167) {
        return e6167;
    }
  }();
  return ret__6026__auto__;
};
cljs.core_test.test_atoms_and_volatile = {};
cljs.core_test.test_atoms_and_volatile.cljs$lang$test = function() {
  var v = cljs.core.volatile_BANG_.call(null, 1);
  var ret__6026__auto__ = function() {
    try {
        var values__5968__auto__ = cljs.core._deref.call(null, v); 
        return values__5968__auto__;
    } catch (e6167) {
        return e6167;
    }
  }();
  return ret__6026__auto__;
};

print(cljs.core_test.test_919_generic_cas.cljs$lang$test());
print(cljs.core_test.test_atoms_and_volatile.cljs$lang$test());