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| author | Benoit Giannangeli <giann008@gmail.com> | 2017-03-24 11:05:51 +0100 |
|---|---|---|
| committer | Benoit Giannangeli <giann008@gmail.com> | 2017-03-24 11:05:51 +0100 |
| commit | 00340610e70f3651d267a210e2c2914f1102d086 (patch) | |
| tree | b7b627aaf45df77bb6d2984d93b998f5954feec5 | |
| parent | a6fa99b44b6d536a1fb23f9ffd7a84786c63edab (diff) | |
| download | fengari-00340610e70f3651d267a210e2c2914f1102d086.tar.gz fengari-00340610e70f3651d267a210e2c2914f1102d086.tar.bz2 fengari-00340610e70f3651d267a210e2c2914f1102d086.zip | |
string.rep: don't repeat if n == 0
| -rw-r--r-- | src/lstrlib.js | 2 | ||||
| -rw-r--r-- | tests/single.lua | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/src/lstrlib.js b/src/lstrlib.js index 4bd8664..3a2ea39 100644 --- a/src/lstrlib.js +++ b/src/lstrlib.js @@ -668,7 +668,7 @@ const str_rep = function(L) { let n = lauxlib.luaL_checkinteger(L, 2); let sep = lauxlib.luaL_optstring(L, 3, ""); - lapi.lua_pushstring(L, (s + sep).repeat(n - 1) + s); + lapi.lua_pushstring(L, n > 0 ? (s + sep).repeat(n - 1) + s : ""); return 1; }; diff --git a/tests/single.lua b/tests/single.lua index c52a6fb..4bd159c 100644 --- a/tests/single.lua +++ b/tests/single.lua @@ -93,3 +93,9 @@ assert(string.char(0, string.byte("\xe4"), 0) == "\0\xe4\0") assert(string.char(string.byte("\xe4l\0óu", 1, -1)) == "\xe4l\0óu") assert(string.char(string.byte("\xe4l\0óu", 1, 0)) == "") assert(string.char(string.byte("\xe4l\0óu", -10, 100)) == "\xe4l\0óu") + +assert(string.upper("ab\0c") == "AB\0C") +assert(string.lower("\0ABCc%$") == "\0abcc%$") +assert(string.rep('teste', 0) == '') +assert(string.rep('tés\00tê', 2) == 'tés\0têtés\000tê') +assert(string.rep('', 10) == '') |