src/v8/test/debugger/debug/debug-evaluate-bool-constructor.js

// Copyright 2009 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
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// Flags: --noanalyze-environment-liveness
Debug = debug.Debug

var listenerComplete = false;
var exceptionThrown = false;

function listener(event, exec_state, event_data, data) {
  try {
    if (event == Debug.DebugEvent.Break) {
      var a = exec_state.frame(0).evaluate("a");
      assertEquals('object', a.type());
      assertEquals('Object', a.className());

      // Indicate that all was processed.
      listenerComplete = true;
    }
  } catch (e) {
    print(e);
    exceptionThrown = true;
  };
};

// Add the debug event listener.
Debug.setListener(listener);

function callDebugger() {
  // Add set constructor field to a non-function value.
  var a = {constructor:true};
  debugger;
}

callDebugger();


// Make sure that the debug event listener vas invoked.
assertFalse(exceptionThrown, "exception in listener")
assertTrue(listenerComplete, "listener did not run to completion");