v8/test/mjsunit/strict-mode-opt.js
mmaly@chromium.org 164e3a4173 Strict mode fixes.
- mutual inlining strict and non-strict functions in crankshaft.
- assignment to undefined variable with eval in scope.
- propagation of strict mode through lazy compilation.

BUG=
TEST=test/mjsunit/strict-mode.js test/mjsunit/strict-mode-opt.js

Review URL: http://codereview.chromium.org/6814012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7561 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2011-04-08 14:30:10 +00:00

99 lines
3.1 KiB
JavaScript

// Copyright 2011 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.
var global = 0;
var MAX = 1000000;
// Attempt to inline strcit in non-strict.
function strictToBeInlined(n) {
"use strict";
global = "strict";
if (n == MAX) { undefined_variable_strict = "value"; }
}
function nonstrictCallStrict(n) {
strictToBeInlined(n);
}
(function testInlineStrictInNonStrict() {
for (var i = 0; i <= MAX; i ++) {
try {
nonstrictCallStrict(i);
} catch (e) {
assertInstanceof(e, ReferenceError);
assertEquals(MAX, i);
return;
}
}
fail("ReferenceError after MAX iterations", "no exception");
})();
// Attempt to inline non-strict in strict.
function nonstrictToBeInlined(n) {
global = "nonstrict";
if (n == MAX) { undefined_variable_nonstrict = "The nonstrict value"; }
}
function strictCallNonStrict(n) {
"use strict";
nonstrictToBeInlined(n);
}
(function testInlineNonStrictInStrict() {
for (var i = 0; i <= MAX; i ++) {
try {
strictCallNonStrict(i);
} catch (e) {
fail("no exception", "exception");
}
}
assertEquals("The nonstrict value", undefined_variable_nonstrict);
})();
// Optimize strict function.
function strictAssignToUndefined(n) {
"use strict";
global = "strict";
if (n == MAX) { undefined_variable_strict_2 = "value"; }
}
(function testOptimizeStrictAssignToUndefined() {
for (var i = 0; i <= MAX; i ++) {
try {
strictAssignToUndefined(i);
} catch (e) {
assertInstanceof(e, ReferenceError);
assertEquals(MAX, i);
return;
}
}
fail("ReferenceError after MAX iterations", "no exception");
})();