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// Copyright 2012 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.
// Fix some corner cases in skipping native methods using caller.
var net = [];
var x = 0;
function collect () {
function item(operator) {
binary(operator, 1, false);
binary(operator, 1, true);
binary(operator, '{}', false);
binary(operator, '{}', true);
binary(operator, '"x"', false);
binary(operator, '"x"', true);
unary(operator, "");
}
function unary(op, after) {
// Capture:
try {
eval(op + " custom " + after);
} catch(e) {
}
}
function binary(op, other_side, inverted) {
// Capture:
try {
if (inverted) {
eval("custom " + op + " " + other_side);
} else {
eval(other_side + " " + op + " custom");
}
} catch(e) {
}
}
function catcher() {
var caller = catcher.caller;
if (/native/i.test(caller) || /ADD/.test(caller)) {
net[caller] = 0;
}
}
var custom = Object.create(null, {
toString: { value: catcher },
length: { get: catcher }
});
item('^');
item('~');
item('<<');
item('<');
item('==');
item('>>>');
item('>>');
item('|');
item('-');
item('*');
item('&');
item('%');
item('+');
item('in');
item('instanceof');
unary('{}[', ']');
unary('delete {}[', ']');
unary('(function() {}).apply(null, ', ')');
}
collect();
collect();
collect();
var keys = 0;
for (var key in net) {
print(key);
keys++;
}
assertTrue(keys == 0);
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