50930a0fa0
PR-URL: https://github.com/nodejs/node/pull/39469 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
40 lines
996 B
JavaScript
40 lines
996 B
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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var Debug = debug.Debug;
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var steps = 0;
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var exception = null;
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function listener(event, execState, eventData, data) {
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if (event != Debug.DebugEvent.Break) return;
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try {
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assertEquals([ debug.ScopeType.Local,
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debug.ScopeType.Script,
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debug.ScopeType.Global],
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execState.frame().allScopes().map(s => s.scopeType()));
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var x_value = execState.frame().evaluate("String(x)").value();
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if (steps < 2) {
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assertEquals("undefined", x_value);
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execState.prepareStep(Debug.StepAction.StepInto);
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} else {
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assertEquals("l => l", x_value);
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}
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steps++;
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} catch (e) {
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exception = e;
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}
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}
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Debug.setListener(listener);
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(function() {
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debugger;
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var x = l => l;
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})();
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Debug.setListener(null);
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assertNull(exception);
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assertEquals(3, steps);
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