v8/test/mjsunit/array-pop.js
2010-03-12 13:45:31 +00:00

62 lines
2.5 KiB
JavaScript

// Copyright 2010 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.
// Check pops with various number of arguments.
(function() {
var a = [];
for (var i = 0; i < 7; i++) {
a = [7, 6, 5, 4, 3, 2, 1];
assertEquals(1, a.pop(), "1st pop");
assertEquals(6, a.length, "length 1st pop");
assertEquals(2, a.pop(1), "2nd pop");
assertEquals(5, a.length, "length 2nd pop");
assertEquals(3, a.pop(1, 2), "3rd pop");
assertEquals(4, a.length, "length 3rd pop");
assertEquals(4, a.pop(1, 2, 3), "4th pop");
assertEquals(3, a.length, "length 4th pop");
assertEquals(5, a.pop(), "5th pop");
assertEquals(2, a.length, "length 5th pop");
assertEquals(6, a.pop(), "6th pop");
assertEquals(1, a.length, "length 6th pop");
assertEquals(7, a.pop(), "7th pop");
assertEquals(0, a.length, "length 7th pop");
assertEquals(undefined, a.pop(), "8th pop");
assertEquals(0, a.length, "length 8th pop");
assertEquals(undefined, a.pop(1, 2, 3), "9th pop");
assertEquals(0, a.length, "length 9th pop");
}
})();