tyler.durden
/
test262
mirror of https://github.com/tc39/test262.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Expand tests for Math.fround

This commit is contained in:
Leonardo Balter 2016-06-22 18:48:28 -04:00 committed by Mike Pennisi
parent d6eb13b4b5
commit f88c93520d
2 changed files with 28 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
test/built-ins/Math/fround/Math.fround_Zero.js
View File

@ -4,7 +4,8 @@
/*---
es6id: 20.2.2.17
author: Ryan Lewis
description: Math.fround should return 0 if called with 0.
description: Math.fround should return arg if called with 0 or -0.
---*/
assert.sameValue(Math.fround(0), 0, 'Math.fround(0)');
assert.sameValue(Math.fround(-0), -0, 'Math.fround(-0)');

26
test/built-ins/Math/fround/value-convertion.js Normal file
View File

@ -0,0 +1,26 @@
// Copyright (C) 2016 The V8 Project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 20.2.2.17
esid: sec-math.fround
description: >
Convert to binary32 format and than to binary64 format
info: |
Math.fround ( x )
[...]
3. Let x32 be the result of converting x to a value in IEEE 754-2008 binary32
format using roundTiesToEven.
4. Let x64 be the result of converting x32 to a value in IEEE 754-2008
binary64 format.
5. Return the ECMAScript Number value corresponding to x64.
---*/
assert.sameValue(Math.fround(4294967295), 4294967296, "2**32-1");
assert.sameValue(Math.fround(4294967296), 4294967296, "2**32");
assert.sameValue(Math.fround(4294967297), 4294967296, "2**32+1");
assert.sameValue(Math.fround(0.1), 0.10000000149011612, "0.1");
assert.sameValue(Math.fround(0.2), 0.20000000298023224, "0.2");
assert.sameValue(Math.fround(0.5), 0.5, "0.5");