79 lines
3.3 KiB
JavaScript
79 lines
3.3 KiB
JavaScript
|
// Copyright 2012 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.
|
||
|
|
|
||
|
|
// Flags: --allow-natives-syntax
|
||
|
|
|
||
|
|
function RunOneTruncationTest(a, b) {
|
||
|
|
var temp = a | 0;
|
||
|
|
assertEquals(b, temp);
|
||
|
|
}
|
||
|
|
|
||
|
|
function RunAllTruncationTests() {
|
||
|
|
RunOneTruncationTest(0, 0);
|
||
|
|
RunOneTruncationTest(0.5, 0);
|
||
|
|
RunOneTruncationTest(-0.5, 0);
|
||
|
|
RunOneTruncationTest(1.5, 1);
|
||
|
|
RunOneTruncationTest(-1.5, -1);
|
||
|
|
RunOneTruncationTest(5.5, 5);
|
||
|
|
RunOneTruncationTest(-5.0, -5);
|
||
|
|
RunOneTruncationTest(NaN, 0);
|
||
|
|
RunOneTruncationTest(Infinity, 0);
|
||
|
|
RunOneTruncationTest(-NaN, 0);
|
||
|
|
RunOneTruncationTest(-Infinity, 0);
|
||
|
|
|
||
|
|
RunOneTruncationTest(4.5036e+15, 0x1635E000);
|
||
|
|
RunOneTruncationTest(-4.5036e+15, -372629504);
|
||
|
|
|
||
|
|
RunOneTruncationTest(4503603922337791.0, -1);
|
||
|
|
RunOneTruncationTest(-4503603922337791.0, 1);
|
||
|
|
RunOneTruncationTest(4503601774854143.0, 2147483647);
|
||
|
|
RunOneTruncationTest(-4503601774854143.0, -2147483647);
|
||
|
|
RunOneTruncationTest(9007207844675582.0, -2);
|
||
|
|
RunOneTruncationTest(-9007207844675582.0, 2);
|
||
|
|
|
||
|
|
RunOneTruncationTest(2.4178527921507624e+24, -536870912);
|
||
|
|
RunOneTruncationTest(-2.4178527921507624e+24, 536870912);
|
||
|
|
RunOneTruncationTest(2.417853945072267e+24, -536870912);
|
||
|
|
RunOneTruncationTest(-2.417853945072267e+24, 536870912);
|
||
|
|
|
||
|
|
RunOneTruncationTest(4.8357055843015248e+24, -1073741824);
|
||
|
|
RunOneTruncationTest(-4.8357055843015248e+24, 1073741824);
|
||
|
|
RunOneTruncationTest(4.8357078901445341e+24, -1073741824);
|
||
|
|
RunOneTruncationTest(-4.8357078901445341e+24, 1073741824);
|
||
|
|
|
||
|
|
RunOneTruncationTest(9.6714111686030497e+24, -2147483648);
|
||
|
|
RunOneTruncationTest(-9.6714111686030497e+24, -2147483648);
|
||
|
|
RunOneTruncationTest(9.6714157802890681e+24, -2147483648);
|
||
|
|
RunOneTruncationTest(-9.6714157802890681e+24, -2147483648);
|
||
|
|
}
|
||
|
|
|
||
|
|
RunAllTruncationTests();
|
||
|
|
RunAllTruncationTests();
|
||
|
|
%OptimizeFunctionOnNextCall(RunOneTruncationTest);
|
||
|
|
RunAllTruncationTests();
|
||
|
|
RunAllTruncationTests();
|