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Diffstat (limited to 'deps/v8/test/mjsunit/math-floor-of-div.js')
| -rw-r--r-- | deps/v8/test/mjsunit/math-floor-of-div.js | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/deps/v8/test/mjsunit/math-floor-of-div.js b/deps/v8/test/mjsunit/math-floor-of-div.js deleted file mode 100644 index e917182c7..000000000 --- a/deps/v8/test/mjsunit/math-floor-of-div.js +++ /dev/null @@ -1,216 +0,0 @@ -// 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 --nouse_inlining - -// Use this function as reference. Make sure it is not inlined. -function div(a, b) { - return a / b; -} - -var limit = 0x1000000; -var exhaustive_limit = 100; -var step = 10; -var values = [0x10000001, - 0x12345678, - -0x789abcdf, // 0x87654321 - 0x01234567, - 0x76543210, - -0x80000000, // 0x80000000 - 0x7fffffff, - -0x0fffffff, // 0xf0000001 - 0x00000010, - -0x01000000 // 0xff000000 - ]; - -function test_div() { - var c = 0; - for (var k = 0; k <= limit; k++) { - if (k > exhaustive_limit) { c += step; k += c; } - assertEquals(Math.floor(div(k, 1)), Math.floor(k / 1)); - assertEquals(Math.floor(div(k, -1)), Math.floor(k / -1)); - assertEquals(Math.floor(div(k, 2)), Math.floor(k / 2)); - assertEquals(Math.floor(div(k, -2)), Math.floor(k / -2)); - assertEquals(Math.floor(div(k, 3)), Math.floor(k / 3)); - assertEquals(Math.floor(div(k, -3)), Math.floor(k / -3)); - assertEquals(Math.floor(div(k, 4)), Math.floor(k / 4)); - assertEquals(Math.floor(div(k, -4)), Math.floor(k / -4)); - assertEquals(Math.floor(div(k, 5)), Math.floor(k / 5)); - assertEquals(Math.floor(div(k, -5)), Math.floor(k / -5)); - assertEquals(Math.floor(div(k, 6)), Math.floor(k / 6)); - assertEquals(Math.floor(div(k, -6)), Math.floor(k / -6)); - assertEquals(Math.floor(div(k, 7)), Math.floor(k / 7)); - assertEquals(Math.floor(div(k, -7)), Math.floor(k / -7)); - assertEquals(Math.floor(div(k, 8)), Math.floor(k / 8)); - assertEquals(Math.floor(div(k, -8)), Math.floor(k / -8)); - assertEquals(Math.floor(div(k, 9)), Math.floor(k / 9)); - assertEquals(Math.floor(div(k, -9)), Math.floor(k / -9)); - assertEquals(Math.floor(div(k, 10)), Math.floor(k / 10)); - assertEquals(Math.floor(div(k, -10)), Math.floor(k / -10)); - assertEquals(Math.floor(div(k, 11)), Math.floor(k / 11)); - assertEquals(Math.floor(div(k, -11)), Math.floor(k / -11)); - assertEquals(Math.floor(div(k, 12)), Math.floor(k / 12)); - assertEquals(Math.floor(div(k, -12)), Math.floor(k / -12)); - assertEquals(Math.floor(div(k, 13)), Math.floor(k / 13)); - assertEquals(Math.floor(div(k, -13)), Math.floor(k / -13)); - assertEquals(Math.floor(div(k, 14)), Math.floor(k / 14)); - assertEquals(Math.floor(div(k, -14)), Math.floor(k / -14)); - assertEquals(Math.floor(div(k, 15)), Math.floor(k / 15)); - assertEquals(Math.floor(div(k, -15)), Math.floor(k / -15)); - assertEquals(Math.floor(div(k, 16)), Math.floor(k / 16)); - assertEquals(Math.floor(div(k, -16)), Math.floor(k / -16)); - assertEquals(Math.floor(div(k, 17)), Math.floor(k / 17)); - assertEquals(Math.floor(div(k, -17)), Math.floor(k / -17)); - assertEquals(Math.floor(div(k, 18)), Math.floor(k / 18)); - assertEquals(Math.floor(div(k, -18)), Math.floor(k / -18)); - assertEquals(Math.floor(div(k, 19)), Math.floor(k / 19)); - assertEquals(Math.floor(div(k, -19)), Math.floor(k / -19)); - assertEquals(Math.floor(div(k, 20)), Math.floor(k / 20)); - assertEquals(Math.floor(div(k, -20)), Math.floor(k / -20)); - assertEquals(Math.floor(div(k, 21)), Math.floor(k / 21)); - assertEquals(Math.floor(div(k, -21)), Math.floor(k / -21)); - assertEquals(Math.floor(div(k, 22)), Math.floor(k / 22)); - assertEquals(Math.floor(div(k, -22)), Math.floor(k / -22)); - assertEquals(Math.floor(div(k, 23)), Math.floor(k / 23)); - assertEquals(Math.floor(div(k, -23)), Math.floor(k / -23)); - assertEquals(Math.floor(div(k, 24)), Math.floor(k / 24)); - assertEquals(Math.floor(div(k, -24)), Math.floor(k / -24)); - assertEquals(Math.floor(div(k, 25)), Math.floor(k / 25)); - assertEquals(Math.floor(div(k, -25)), Math.floor(k / -25)); - assertEquals(Math.floor(div(k, 125)), Math.floor(k / 125)); - assertEquals(Math.floor(div(k, -125)), Math.floor(k / -125)); - assertEquals(Math.floor(div(k, 625)), Math.floor(k / 625)); - assertEquals(Math.floor(div(k, -625)), Math.floor(k / -625)); - } - c = 0; - for (var k = 0; k <= limit; k++) { - if (k > exhaustive_limit) { c += step; k += c; } - assertEquals(Math.floor(div(-k, 1)), Math.floor(-k / 1)); - assertEquals(Math.floor(div(-k, -1)), Math.floor(-k / -1)); - assertEquals(Math.floor(div(-k, 2)), Math.floor(-k / 2)); - assertEquals(Math.floor(div(-k, -2)), Math.floor(-k / -2)); - assertEquals(Math.floor(div(-k, 3)), Math.floor(-k / 3)); - assertEquals(Math.floor(div(-k, -3)), Math.floor(-k / -3)); - assertEquals(Math.floor(div(-k, 4)), Math.floor(-k / 4)); - assertEquals(Math.floor(div(-k, -4)), Math.floor(-k / -4)); - assertEquals(Math.floor(div(-k, 5)), Math.floor(-k / 5)); - assertEquals(Math.floor(div(-k, -5)), Math.floor(-k / -5)); - assertEquals(Math.floor(div(-k, 6)), Math.floor(-k / 6)); - assertEquals(Math.floor(div(-k, -6)), Math.floor(-k / -6)); - assertEquals(Math.floor(div(-k, 7)), Math.floor(-k / 7)); - assertEquals(Math.floor(div(-k, -7)), Math.floor(-k / -7)); - assertEquals(Math.floor(div(-k, 8)), Math.floor(-k / 8)); - assertEquals(Math.floor(div(-k, -8)), Math.floor(-k / -8)); - assertEquals(Math.floor(div(-k, 9)), Math.floor(-k / 9)); - assertEquals(Math.floor(div(-k, -9)), Math.floor(-k / -9)); - assertEquals(Math.floor(div(-k, 10)), Math.floor(-k / 10)); - assertEquals(Math.floor(div(-k, -10)), Math.floor(-k / -10)); - assertEquals(Math.floor(div(-k, 11)), Math.floor(-k / 11)); - assertEquals(Math.floor(div(-k, -11)), Math.floor(-k / -11)); - assertEquals(Math.floor(div(-k, 12)), Math.floor(-k / 12)); - assertEquals(Math.floor(div(-k, -12)), Math.floor(-k / -12)); - assertEquals(Math.floor(div(-k, 13)), Math.floor(-k / 13)); - assertEquals(Math.floor(div(-k, -13)), Math.floor(-k / -13)); - assertEquals(Math.floor(div(-k, 14)), Math.floor(-k / 14)); - assertEquals(Math.floor(div(-k, -14)), Math.floor(-k / -14)); - assertEquals(Math.floor(div(-k, 15)), Math.floor(-k / 15)); - assertEquals(Math.floor(div(-k, -15)), Math.floor(-k / -15)); - assertEquals(Math.floor(div(-k, 16)), Math.floor(-k / 16)); - assertEquals(Math.floor(div(-k, -16)), Math.floor(-k / -16)); - assertEquals(Math.floor(div(-k, 17)), Math.floor(-k / 17)); - assertEquals(Math.floor(div(-k, -17)), Math.floor(-k / -17)); - assertEquals(Math.floor(div(-k, 18)), Math.floor(-k / 18)); - assertEquals(Math.floor(div(-k, -18)), Math.floor(-k / -18)); - assertEquals(Math.floor(div(-k, 19)), Math.floor(-k / 19)); - assertEquals(Math.floor(div(-k, -19)), Math.floor(-k / -19)); - assertEquals(Math.floor(div(-k, 20)), Math.floor(-k / 20)); - assertEquals(Math.floor(div(-k, -20)), Math.floor(-k / -20)); - assertEquals(Math.floor(div(-k, 21)), Math.floor(-k / 21)); - assertEquals(Math.floor(div(-k, -21)), Math.floor(-k / -21)); - assertEquals(Math.floor(div(-k, 22)), Math.floor(-k / 22)); - assertEquals(Math.floor(div(-k, -22)), Math.floor(-k / -22)); - assertEquals(Math.floor(div(-k, 23)), Math.floor(-k / 23)); - assertEquals(Math.floor(div(-k, -23)), Math.floor(-k / -23)); - assertEquals(Math.floor(div(-k, 24)), Math.floor(-k / 24)); - assertEquals(Math.floor(div(-k, -24)), Math.floor(-k / -24)); - assertEquals(Math.floor(div(-k, 25)), Math.floor(-k / 25)); - assertEquals(Math.floor(div(-k, -25)), Math.floor(-k / -25)); - assertEquals(Math.floor(div(-k, 125)), Math.floor(-k / 125)); - assertEquals(Math.floor(div(-k, -125)), Math.floor(-k / -125)); - assertEquals(Math.floor(div(-k, 625)), Math.floor(-k / 625)); - assertEquals(Math.floor(div(-k, -625)), Math.floor(-k / -625)); - } - // Test for edge cases. - // Use (values[key] | 0) to force the integer type. - for (var i = 0; i < values.length; i++) { - for (var j = 0; j < values.length; j++) { - assertEquals(Math.floor(div((values[i] | 0), (values[j] | 0))), - Math.floor((values[i] | 0) / (values[j] | 0))); - assertEquals(Math.floor(div(-(values[i] | 0), (values[j] | 0))), - Math.floor(-(values[i] | 0) / (values[j] | 0))); - assertEquals(Math.floor(div((values[i] | 0), -(values[j] | 0))), - Math.floor((values[i] | 0) / -(values[j] | 0))); - assertEquals(Math.floor(div(-(values[i] | 0), -(values[j] | 0))), - Math.floor(-(values[i] | 0) / -(values[j] | 0))); - } - } -} - -test_div(); -%OptimizeFunctionOnNextCall(test_div); -test_div(); - -// Test for negative zero and overflow. -// Separate the tests to prevent deoptimizations from making the other optimized -// test unreachable. - -function IsNegativeZero(x) { - assertTrue(x == 0); // Is 0 or -0. - var y = 1 / x; - assertFalse(isFinite(y)); - return y < 0; -} - -function test_div_deopt_minus_zero() { - var zero_in_array = [0]; - assertTrue(IsNegativeZero(Math.floor((zero_in_array[0] | 0) / -1))); -} - -function test_div_deopt_overflow() { - // We box the value in an array to avoid constant propagation. - var min_int_in_array = [-2147483648]; - // We use '| 0' to force the representation to int32. - assertEquals(-min_int_in_array[0], - Math.floor((min_int_in_array[0] | 0) / -1)); -} - -test_div_deopt_minus_zero(); -test_div_deopt_overflow(); -%OptimizeFunctionOnNextCall(test_div_deopt_minus_zero); -%OptimizeFunctionOnNextCall(test_div_deopt_overflow); -test_div_deopt_minus_zero(); -test_div_deopt_overflow(); |