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-rw-r--r--tests/single.lua5
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/single.lua b/tests/single.lua
index c87ac7e..8ca9fbb 100644
--- a/tests/single.lua
+++ b/tests/single.lua
@@ -165,3 +165,8 @@ assert(tonumber(string.format("%f", 10.3)) == 10.3)
x = string.format('"%-50s"', 'a')
assert(#x == 52)
assert(string.sub(x, 1, 4) == '"a ')
+
+assert(string.format("-%.20s.20s", string.rep("%", 2000)) ==
+ "-"..string.rep("%", 20)..".20s")
+assert(string.format('"-%20s.20s"', string.rep("%", 2000)) ==
+ string.format("%q", "-"..string.rep("%", 2000)..".20s"))