v8/test/mjsunit/regress/regress-3960.js
yangguo 69383d6366 Revert of Revert of Debugger: deduplicate shared function info when setting script break points. (patchset #1 id:1 of https://codereview.chromium.org/999273003/)
Reason for revert:
Reland since the failure has been fixed in https://codereview.chromium.org/1035523005/

Original issue's description:
> Revert of Debugger: deduplicate shared function info when setting script break points. (patchset #4 id:60001 of https://codereview.chromium.org/998253005/)
>
> Reason for revert:
> Code caching failures.
>
> Original issue's description:
> > Debugger: deduplicate shared function info when setting script break points.
> >
> > Also fix Debug.showBreakPoints for multiple break points at the same location.
> >
> > BUG=v8:3960
> > LOG=N
> >
> > Committed: https://crrev.com/73b17a71a22564c0b66d9aa7c00948c748f5b290
> > Cr-Commit-Position: refs/heads/master@{#27444}
>
> TBR=mstarzinger@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=v8:3960
>
> Committed: https://crrev.com/9b29d008dfcc00bf56be8040add1d2c5e404673b
> Cr-Commit-Position: refs/heads/master@{#27448}

TBR=mstarzinger@chromium.org
BUG=v8:3960
LOG=N

Review URL: https://codereview.chromium.org/1037013002

Cr-Commit-Position: refs/heads/master@{#27472}
2015-03-26 10:43:51 +00:00

37 lines
1.0 KiB
JavaScript

// Copyright 2015 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: --allow-natives-syntax
// Test that setting break point is works correctly when the debugger is
// activated late, which leads to duplicate shared function infos.
(function() {
var Debug = %GetDebugContext().Debug;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
assertTrue(/foo/.test(exec_state.frame(0).sourceLineText()));
break_count++;
} catch (e) {
exception = e;
}
}
for (var i = 0; i < 3; i++) {
var foo = function() { a = 1; }
var exception = null;
var break_count = 0;
Debug.setListener(listener);
if (i < 2) Debug.setBreakPoint(foo, 0, 0);
assertTrue(/\[B\d\]a = 1/.test(Debug.showBreakPoints(foo)));
foo();
assertEquals(1, break_count);
assertNull(exception);
}
Debug.setListener(null);
})();