Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --max-semi-space-size=1 --allow-natives-syntax |
| 6 | |
| 7 | var test_id = 0; |
| 8 | |
| 9 | function testCeil(expect, input) { |
| 10 | var test = new Function('n', |
| 11 | '"' + (test_id++) + '";return Math.ceil(n)'); |
| 12 | assertEquals(expect, test(input)); |
| 13 | assertEquals(expect, test(input)); |
| 14 | assertEquals(expect, test(input)); |
| 15 | %OptimizeFunctionOnNextCall(test); |
| 16 | assertEquals(expect, test(input)); |
| 17 | |
| 18 | var test_double_input = new Function( |
| 19 | 'n', |
| 20 | '"' + (test_id++) + '";return Math.ceil(+n)'); |
| 21 | assertEquals(expect, test_double_input(input)); |
| 22 | assertEquals(expect, test_double_input(input)); |
| 23 | assertEquals(expect, test_double_input(input)); |
| 24 | %OptimizeFunctionOnNextCall(test_double_input); |
| 25 | assertEquals(expect, test_double_input(input)); |
| 26 | |
| 27 | var test_double_output = new Function( |
| 28 | 'n', |
| 29 | '"' + (test_id++) + '";return Math.ceil(n) + -0.0'); |
| 30 | assertEquals(expect, test_double_output(input)); |
| 31 | assertEquals(expect, test_double_output(input)); |
| 32 | assertEquals(expect, test_double_output(input)); |
| 33 | %OptimizeFunctionOnNextCall(test_double_output); |
| 34 | assertEquals(expect, test_double_output(input)); |
| 35 | |
| 36 | var test_via_floor = new Function( |
| 37 | 'n', |
| 38 | '"' + (test_id++) + '";return -Math.floor(-n)'); |
| 39 | assertEquals(expect, test_via_floor(input)); |
| 40 | assertEquals(expect, test_via_floor(input)); |
| 41 | assertEquals(expect, test_via_floor(input)); |
| 42 | %OptimizeFunctionOnNextCall(test_via_floor); |
| 43 | assertEquals(expect, test_via_floor(input)); |
| 44 | |
| 45 | if (input <= 0) { |
| 46 | var test_via_trunc = new Function( |
| 47 | 'n', |
| 48 | '"' + (test_id++) + '";return Math.trunc(n)'); |
| 49 | assertEquals(expect, test_via_trunc(input)); |
| 50 | assertEquals(expect, test_via_trunc(input)); |
| 51 | assertEquals(expect, test_via_trunc(input)); |
| 52 | %OptimizeFunctionOnNextCall(test_via_trunc); |
| 53 | assertEquals(expect, test_via_trunc(input)); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | function test() { |
| 58 | testCeil(0, 0); |
| 59 | testCeil(+0, +0); |
| 60 | testCeil(-0, -0); |
| 61 | testCeil(1, 0.49999); |
| 62 | testCeil(1, 0.6); |
| 63 | testCeil(1, 0.5); |
| 64 | testCeil(-0, -0.1); |
| 65 | testCeil(-0, -0.5); |
| 66 | testCeil(-0, -0.6); |
| 67 | testCeil(-1, -1.6); |
| 68 | testCeil(-0, -0.50001); |
| 69 | testCeil(Infinity, Infinity); |
| 70 | testCeil(-Infinity, -Infinity); |
| 71 | } |
| 72 | |
| 73 | |
| 74 | // Test in a loop to cover the custom IC and GC-related issues. |
| 75 | for (var i = 0; i < 10; i++) { |
| 76 | test(); |
| 77 | new Array(i * 10000); |
| 78 | } |