// Copyright 2018 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.

Debug = debug.Debug

function foo(){}

let breakpoint_count = 0;

let last_source_line = 0;

let last_source_column = 0;

function listener(event, exec_state, event_data, data) {

if (event == Debug.DebugEvent.Break) {

++breakpoint_count;

last_source_line = exec_state.frame(0).sourceLine();

last_source_column = exec_state.frame(0).sourceColumn();

}

};

Debug.setListener(listener);

// Run without breakpoints.

foo();

assertEquals(breakpoint_count, 0);

// Run with breakpoint.

const breakpoint = Debug.setBreakPoint(foo, 0);

foo();

assertEquals(breakpoint_count, 1);

assertEquals(last_source_line, 7);

assertEquals(last_source_column, 15);

foo();

assertEquals(breakpoint_count, 2);

assertEquals(last_source_line, 7);

assertEquals(last_source_column, 15);

// Run without breakpoints

Debug.clearBreakPoint(breakpoint);

foo();

assertEquals(breakpoint_count, 2);