52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
|
// 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
|
||
|
|
// Tests stepping into through Array.prototype.forEach callbacks.
|
||
|
|
|
||
|
|
Debug = debug.Debug
|
||
|
|
var exception = null;
|
||
|
|
var break_count = 0;
|
||
|
|
var expected_breaks = -1;
|
||
|
|
|
||
|
|
function listener(event, exec_state, event_data, data) {
|
||
|
|
try {
|
||
|
|
if (event == Debug.DebugEvent.Break) {
|
||
|
|
assertTrue(exec_state.frameCount() != 0, "FAIL: Empty stack trace");
|
||
|
|
if (!break_count) {
|
||
|
|
// Count number of expected breakpoints in this source file.
|
||
|
|
var source_text = exec_state.frame(0).func().script().source();
|
||
|
|
expected_breaks = source_text.match(/\/\/\s*Break\s+\d+\./g).length;
|
||
|
|
print("Expected breaks: " + expected_breaks);
|
||
|
|
}
|
||
|
|
var source = exec_state.frame(0).sourceLineText();
|
||
|
|
print("paused at: " + source);
|
||
|
|
assertTrue(source.indexOf("// Break " + break_count + ".") > 0,
|
||
|
|
"Unexpected pause at: " + source + "\n" +
|
||
|
|
"Expected: // Break " + break_count + ".");
|
||
|
|
++break_count;
|
||
|
|
if (break_count !== expected_breaks) {
|
||
|
|
exec_state.prepareStep(Debug.StepAction.StepIn, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} catch(e) {
|
||
|
|
exception = e;
|
||
|
|
print(e, e.stack);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
Debug.setListener(listener);
|
||
|
|
|
||
|
|
debugger; // Break 0.
|
||
|
|
[1,2].forEach(callback); // Break 1.
|
||
|
|
|
||
|
|
function callback(x) {
|
||
|
|
return x; // Break 2. // Break 4.
|
||
|
|
} // Break 3. // Break 5.
|
||
|
|
|
||
|
|
assertNull(exception); // Break 6.
|
||
|
|
assertEquals(expected_breaks, break_count);
|
||
|
|
|
||
|
|
Debug.setListener(null);
|