v8/test/mjsunit/harmony/async-debug-basic.js

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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-async-await --allow-natives-syntax --expose-debug-as debug
// Get the Debug object exposed from the debug context global object.
Debug = debug.Debug
listenerComplete = false;
breakPointCount = 0;
async function f() {
await (async function() { var a = "a"; await 1; debugger; })();
var b = "b";
assertTrue(listenerDone);
assertFalse(exception);
assertEquals(1, breakpointCount);
}
function listener(event, exec_state, event_data, data) {
try {
if (event != Debug.DebugEvent.Break) return;
breakpointCount++;
listenerDone = true;
assertEquals("a", exec_state.frame(0).evaluate("a"));
assertEquals("b", exec_state.frame(1).evaluate("b"));
assertEquals("c", exec_state.frame(2).evaluate("c"));
} catch (e) {
exception = e;
};
};
Debug.setListener(listener);
var c = "c";
f();