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enable-disable.js
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29 lines (20 loc) · 819 Bytes
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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.
let compileCount = 0;
const Debug = new DebugWrapper();
Debug.setListener(function(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.AfterCompile) return;
compileCount++;
});
Debug.enable();
assertTrue(compileCount != 0);
const compileCountAfterEnable = compileCount;
Debug.enable(); // Idempotent.
assertEquals(compileCountAfterEnable, compileCount);
Debug.disable();
assertEquals(compileCountAfterEnable, compileCount);
Debug.disable(); // Idempotent.
assertEquals(compileCountAfterEnable, compileCount);
Debug.enable(); // Re-enabling causes recompilation.
assertEquals(2 * compileCountAfterEnable, compileCount);