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| 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 } |
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