src/v8/test/mjsunit/compiler/logical-and.js

// 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.

function AndBB(x,y) {
  return (x == 0) && (y == 0);
}

function AndBN(x,y) {
  return (x == 0) && y;
}

function AndNB(x,y) {
  return x && (y == 0);
}

function AndNN(x,y) {
  return x && y;
}

assertTrue(AndBB(0, 0));
assertFalse(AndBB(1, 0));
assertFalse(AndBB(0, 1));
assertFalse(AndBB(1, 1));

assertEquals(0, AndBN(0, 0));
assertEquals(1, AndBN(0, 1));
assertFalse(AndBN(1, 0));
assertEquals(1, AndBN(0, 1));
assertEquals(2, AndBN(0, 2));
assertFalse(AndBN(1, 1));
assertFalse(AndBN(1, 2));

assertEquals(0, AndNB(0, 0));
assertTrue(AndNB(1, 0));
assertEquals(0, AndNB(0, 1));
assertEquals("", AndNB("", 1));
assertFalse(AndNB(1, 1));
assertTrue(AndNB(2, 0));

assertEquals(0, AndNN(0, 0));
assertEquals(0, AndNN(1, 0));
assertEquals(0, AndNN(2, 0));
assertEquals(0, AndNN(0, 1));
assertEquals(0, AndNN(0, 2));
assertEquals(1, AndNN(1, 1));
assertEquals(2, AndNN(3, 2));