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// Copyright 2013 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
// This tests that captured objects materialized through the deoptimizer
// have field descriptors with a representation matching the values that
// have actually been stored in the object.
var values = [ function() { return {}; },
function() { return 23; },
function() { return 4.2; } ];
function constructor(value_track) {
this.x = value_track();
}
function access(value_track, value_break, deopt) {
var o = new constructor(value_track);
o.x = value_break;
deopt.deopt
assertEquals(value_break, o.x);
}
function test(value_track, value_break) {
var deopt = { deopt:false };
// Warm-up field tracking to a certain representation.
access(value_track, value_track(), deopt);
access(value_track, value_track(), deopt);
%OptimizeFunctionOnNextCall(access);
access(value_track, value_track(), deopt);
// Deoptimize on a run with a different representation.
delete deopt.deopt;
access(value_track, value_break(), deopt);
// Clear type feedback of the access function for next run.
%ClearFunctionFeedback(access);
// Also make sure the initial map of the constructor is reset.
constructor.prototype = {};
}
for (var i = 0; i < values.length; i++) {
for (var j = 0; j < values.length; j++) {
test(values[i], values[j])
}
}
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