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// Copyright 2014 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: --expose-debug-as debug
Debug = debug.Debug
var exception = null;
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) {
exec_state.prepareStep(Debug.StepAction.StepIn);
print(event_data.sourceLineText());
assertTrue(
event_data.sourceLineText().indexOf(`B${breaks++}`) > 0);
}
} catch (e) {
print(e);
quit();
exception = e;
}
}
function cb_set(num) {
print("element " + num); // B2 B5 B8
return true; // B3 B6 B9
} // B4 B7 B10
function cb_map(key, val) {
print("key " + key + ", value " + val); // B2 B5 B8
return true; // B3 B6 B9
} // B4 B7 B10
var s = new Set();
s.add(1);
s.add(2);
s.add(3);
var m = new Map();
m.set('foo', 1);
m.set('bar', 2);
m.set('baz', 3);
var breaks = 0;
Debug.setListener(listener);
debugger; // B0
s.forEach(cb_set); // B1
Debug.setListener(null); // B11
assertNull(exception);
assertEquals(12, breaks);
breaks = 0;
Debug.setListener(listener);
debugger; // B0
m.forEach(cb_map); // B1
Debug.setListener(null); // B11
assertNull(exception);
assertEquals(12, breaks);
// Test two levels of builtin callbacks:
// Array.forEach calls a callback function, which by itself uses
// Array.forEach with another callback function.
function cb_set_2(num) {
print("element " + num); // B3 B6 B9 B15 B18 B21 B27 B30 B33
return true; // B4 B7 B10 B16 B19 B22 B28 B31 B34
} // B5 B8 B11 B17 B20 B23 B29 B32 B35
function cb_map_2(k, v) {
print(`key ${k}, value ${v}`); // B3 B6 B9 B15 B18 B21 B27 B30 B33
return true; // B4 B7 B10 B16 B19 B22 B28 B31 B34
} // B5 B8 B11 B17 B20 B23 B29 B32 B35
function cb_set_foreach(num) {
s.forEach(cb_set_2); // B2 B14 B26
print("back."); // B12 B24 B36
} // B13 B25 B37
function cb_map_foreach(key, val) {
m.forEach(cb_map_2); // B2 B14 B26
print("back."); // B12 B24 B36
} // B13 B25 B37
breaks = 0;
Debug.setListener(listener);
debugger; // B0
s.forEach(cb_set_foreach); // B1
Debug.setListener(null); // B38
assertNull(exception);
assertEquals(39, breaks);
breaks = 0;
Debug.setListener(listener);
debugger; // B0
m.forEach(cb_map_foreach); // B1
Debug.setListener(null); // B38
assertNull(exception);
assertEquals(39, breaks);
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