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 } 79
