v8/test/mjsunit/es6/regress/regress-cr372788.js
rossberg@chromium.org 98849dd1ce Drop thenable coercion cache
R=dslomov@chromium.org
BUG=372788
LOG=Y

Review URL: https://codereview.chromium.org/281753004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21301 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-05-14 10:44:34 +00:00

46 lines
2.0 KiB
JavaScript

// Copyright 2014 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --allow-natives-syntax
var x = 0;
var y = 0;
var thenable = { then: function(f) { x++; f(); } };
for (var i = 0; i < 3; ++i) {
Promise.resolve(thenable).then(function() { x++; y++; });
}
assertEquals(0, x);
(function check() {
Promise.resolve().chain(function() {
// Delay check until all handlers have run.
if (y < 3) check(); else assertEquals(6, x);
}).catch(function(e) { %AbortJS("FAILURE: " + e) });
})();