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| author | Benoit Giannangeli <giann008@gmail.com> | 2017-04-10 13:20:08 +0200 |
|---|---|---|
| committer | Benoit Giannangeli <giann008@gmail.com> | 2017-04-10 13:20:08 +0200 |
| commit | 89e4a76a812499cc108bb77fb5c9ae1877123df6 (patch) | |
| tree | 0e9e83066e7baaab2a63b442d559745a68f701b7 | |
| parent | 8bbc810540cfed397527d716b822511efa4a2723 (diff) | |
| download | fengari-89e4a76a812499cc108bb77fb5c9ae1877123df6.tar.gz fengari-89e4a76a812499cc108bb77fb5c9ae1877123df6.tar.bz2 fengari-89e4a76a812499cc108bb77fb5c9ae1877123df6.zip | |
Handle -0
| -rw-r--r-- | src/lstrlib.js | 5 | ||||
| -rw-r--r-- | tests/single.lua | 5 |
2 files changed, 6 insertions, 4 deletions
diff --git a/src/lstrlib.js b/src/lstrlib.js index 81b754d..f4f254f 100644 --- a/src/lstrlib.js +++ b/src/lstrlib.js @@ -106,7 +106,10 @@ const num2straux = function(x) { return sprintf(luaconf.LUA_NUMBER_FMT, x).split('').map(e => e.charCodeAt(0)); else if (x === 0) { /* can be -0... */ /* create "0" or "-0" followed by exponent */ - return sprintf(luaconf.LUA_NUMBER_FMT + "x0p+0", x).split('').map(e => e.charCodeAt(0)); + let zero = sprintf(luaconf.LUA_NUMBER_FMT + "x0p+0", x).split('').map(e => e.charCodeAt(0)); + if (Object.is(x, -0)) + return [char['-']].concat(zero); + return zero; } else { let fe = lobject.frexp(x); /* 'x' fraction and exponent */ let m = fe[0]; diff --git a/tests/single.lua b/tests/single.lua index 6fdce5c..c770d22 100644 --- a/tests/single.lua +++ b/tests/single.lua @@ -1,4 +1,4 @@ - -- $Id: strings.lua,v 1.86 2016/11/07 13:11:28 roberto Exp roberto $ +-- $Id: strings.lua,v 1.86 2016/11/07 13:11:28 roberto Exp roberto $ -- See Copyright Notice in file all.lua print('testing strings and string library') @@ -269,8 +269,7 @@ do print("testing 'format %a %A'") end assert(string.find(string.format("%A", 0.0), "^0X0%.?0?P%+?0$")) - -- print(string.format("%a", -0.0)) - -- assert(string.find(string.format("%a", -0.0), "^%-0x0%.?0?p%+?0$")) + assert(string.find(string.format("%a", -0.0), "^%-0x0%.?0?p%+?0$")) -- if not _port then -- test inf, -inf, NaN, and -0.0 -- assert(string.find(string.format("%a", 1/0), "^inf")) |