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| author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2022-09-23 10:57:35 -0300 |
|---|---|---|
| committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2022-09-23 10:57:35 -0300 |
| commit | cfbe378f906061ee56f91acfbdf569d0d3fb9556 (patch) | |
| tree | 26bde27fbb3ed4c158de4a9991a144dd3f2cd57b /testes | |
| parent | a1089b415a3f5c753aa1b40758ffdaf28d5701b0 (diff) | |
| download | lua-cfbe378f906061ee56f91acfbdf569d0d3fb9556.tar.gz lua-cfbe378f906061ee56f91acfbdf569d0d3fb9556.tar.bz2 lua-cfbe378f906061ee56f91acfbdf569d0d3fb9556.zip | |
Small simplification in overflow check in 'getfield'
Subtracting a small non-negative int from a non-negative int cannot
overflow, and adding a non-negative int to INT_MIN cannot overflow.
Diffstat (limited to 'testes')
| -rw-r--r-- | testes/files.lua | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/testes/files.lua b/testes/files.lua index 16cf9b6a..78f962e5 100644 --- a/testes/files.lua +++ b/testes/files.lua | |||
| @@ -825,8 +825,17 @@ checkerr("missing", os.time, {hour = 12}) -- missing date | |||
| 825 | if string.packsize("i") == 4 then -- 4-byte ints | 825 | if string.packsize("i") == 4 then -- 4-byte ints |
| 826 | checkerr("field 'year' is out-of-bound", os.time, | 826 | checkerr("field 'year' is out-of-bound", os.time, |
| 827 | {year = -(1 << 31) + 1899, month = 1, day = 1}) | 827 | {year = -(1 << 31) + 1899, month = 1, day = 1}) |
| 828 | |||
| 829 | checkerr("field 'year' is out-of-bound", os.time, | ||
| 830 | {year = -(1 << 31), month = 1, day = 1}) | ||
| 831 | |||
| 832 | if math.maxinteger > 2^31 then -- larger lua_integer? | ||
| 833 | checkerr("field 'year' is out-of-bound", os.time, | ||
| 834 | {year = (1 << 31) + 1900, month = 1, day = 1}) | ||
| 835 | end | ||
| 828 | end | 836 | end |
| 829 | 837 | ||
| 838 | |||
| 830 | if not _port then | 839 | if not _port then |
| 831 | -- test Posix-specific modifiers | 840 | -- test Posix-specific modifiers |
| 832 | assert(type(os.date("%Ex")) == 'string') | 841 | assert(type(os.date("%Ex")) == 'string') |