node/deps/v8/test/mjsunit/stack-trace-cpp-function-template-2.js
Michaël Zasso 2dcc3665ab
deps: update V8 to 7.6.303.28
PR-URL: https://github.com/nodejs/node/pull/28016
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Refael Ackermann (רפאל פלחי) <refack@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
2019-08-01 12:53:56 +02:00

46 lines
1.2 KiB
JavaScript

// Copyright 2019 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 --opt --experimental-stack-trace-frames
// Verifies that "print" shows up in Error.stack when "bar" is optimized
// by Turbofan:
// Error
// at foo (...)
// at Object.toString (...)
// at print (<anonymous>)
// at bar (...)
// at (...)
let prepareStackTraceCalled = false;
Error.prepareStackTrace = (e, frames) => {
prepareStackTraceCalled = true;
assertEquals(5, frames.length);
assertEquals(foo, frames[0].getFunction());
assertEquals(object.toString, frames[1].getFunction());
assertEquals("print", frames[2].getFunctionName());
assertEquals(bar, frames[3].getFunction());
return frames;
};
function foo() { throw new Error(); }
const object = { toString: () => { return foo(); } };
function bar() {
print(object);
}
%PrepareFunctionForOptimization(bar);
try { bar(); } catch (e) {}
try { bar(); } catch (e) {}
%OptimizeFunctionOnNextCall(bar);
try { bar(); } catch(e) {
// Trigger prepareStackTrace.
e.stack;
}
assertOptimized(bar);
assertTrue(prepareStackTraceCalled);