// Copyright 2008 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.

// Test the optimized implementation of comparison with single-character
// strings.

var a = ['', String.fromCharCode(0), ' ', 'e', 'erik', 'f', 'foo', 'g', 'goo',
         -1, 0, 1, 1.2, -7.9, true, false, 'foo', '0', 'NaN' ];
for (var i in a) {
  var x = a[i];
  var f = 'f';

  assertEquals(x == f, x == 'f', "==" + x);
  assertEquals(x === f, x === 'f', "===" + x);
  assertEquals(x < f, x < 'f', "<" + x);
  assertEquals(x <= f, x <= 'f', "<=" + x);
  assertEquals(x > f, x > 'f', ">" + x);
  assertEquals(x >= f, x >= 'f', ">=" + x);
  assertEquals(f == x, 'f' == x, "==r" + x);
  assertEquals(f === x, 'f' === x, "===r" + x);
  assertEquals(f > x, 'f' > x, "<r" + x);
  assertEquals(f >= x, 'f' >= x, "<=r" + x);
  assertEquals(f < x, 'f' < x, ">r" + x);
  assertEquals(f <= x, 'f' <= x, ">=r" + x);
}
