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spec/util_dbuffer_spec.lua @ 11028:d7a403060946
util.dbuffer: Fix traceback when :collapse() is called on empty buffer
author | Matthew Wild <mwild1@gmail.com> |
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date | Thu, 20 Aug 2020 15:22:19 +0100 |
parent | 10980:eaee72c7afbd |
child | 11044:7b720a815519 |
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--- a/spec/util_dbuffer_spec.lua Sun Aug 16 20:30:02 2020 +0200 +++ b/spec/util_dbuffer_spec.lua Thu Aug 20 15:22:19 2020 +0100 @@ -46,6 +46,13 @@ end); end); + describe(":collapse()", function () + it("works on an empty buffer", function () + local b = dbuffer.new(); + b:collapse(); + end); + end); + describe(":sub", function () -- Helper function to compare buffer:sub() with string:sub() local s = "hello world"; @@ -106,5 +113,10 @@ local r = { b:byte(1, 2) }; assert.same({ 0, 140 }, r); end); + + it("works on an empty buffer", function () + local b = dbuffer.new(); + assert.equal("", b:sub(1,1)); + end); end); end);