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deps/v8/test/debugger/debug/debug-step.js
49 строк
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Michaël Zasso
deps: update V8 to 9.3.345.16
30 авг 2021, 22:02
Не верифицирован
30 авг 2021, 22:02
50930a0
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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: --cache=code Debug = debug.Debug // Simple debug event handler which first time hit will perform 1000 steps and // second time hit will evaluate and store the value of "i". If requires that // the global property "state" is initially zero. var bp1, bp2; function listener(event, exec_state, event_data, data) { if (event == Debug.DebugEvent.Break) { if (step_count > 0) { exec_state.prepareStep(Debug.StepAction.StepInto); step_count--; } else { result = exec_state.frame().evaluate("i").value(); // Clear the break point on line 2 if set. if (bp2) { Debug.clearBreakPoint(bp2); } } } }; // Add the debug event listener. Debug.setListener(listener); // Test debug event for break point. function f() { var i; // Line 1. for (i = 0; i < 1000; i++) { // Line 2. x = 1; // Line 3. } }; // Set a breakpoint on the for statement (line 1). bp1 = Debug.setBreakPoint(f, 1); // Check that performing 1000 steps will make i 333. var step_count = 1000; result = -1; f(); assertEquals(333, result); Debug.setListener(null);