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-rwxr-xr-xtest/common_sets.lua3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/common_sets.lua b/test/common_sets.lua
index 43242a8..38a3eb5 100755
--- a/test/common_sets.lua
+++ b/test/common_sets.lua
@@ -139,6 +139,9 @@ local function set_f_plainfind (lib, flg)
{ {"abcd", "BC"}, {N} }, -- case sensitive
{ {"abcd", "BC", N, true}, {2,3} }, -- case insensitive
{ {"ab\0cd", "b\0c"}, {2,4} }, -- contains nul
+ { {"abcd", "", 1}, {1,0} }, -- empty pattern
+ { {"abcd", "", 5}, {5,4} }, -- empty pattern
+ { {"abcd", "", 6}, {N} }, -- empty pattern
}
end