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// Copyright 2009 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.
// Tests global loads from eval.
var x = 27;
function test() {
function g() {
assertEquals(27, eval('x'));
function h() {
// Shadow with local variable.
var x = 22;
assertEquals(22, eval('x'));
function i(x) {
// Shadow with parameter.
assertEquals(44, eval('x'));
function j() {
assertEquals(x, eval('x'));
// Shadow with function name.
function x() {
assertEquals(x, eval('x'));
}
x();
}
j();
}
i(44);
}
h();
}
g();
}
test();
// Test loading of globals from deeply nested eval. This code is a
// bit complicated, but the complication is needed to check that the
// code that loads the global variable accounts for the fact that the
// global variable becomes shadowed by an eval-introduced variable.
var result = 0;
function testDeep(source, load, test) {
eval(source);
function f() {
var y = 23;
function g() {
var z = 25;
function h() {
eval(load);
eval(test);
}
h();
}
g();
}
f();
}
testDeep('1', 'result = x', 'assertEquals(27, result)');
// Because of the eval-cache, the 'result = x' code gets reused. This
// time in a context where the 'x' variable has been shadowed.
testDeep('var x = 1', 'result = x', 'assertEquals(1, result)');
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