prosody
3db09eb4c43b
spec/util_format_spec.lua

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spec/util_format_spec.lua @ 12032:3db09eb4c43b

util.format: Ensure sanitation of strings passed to wrong format Ie. log("debug", "%d", "\1\2\3") should not result in garbage. Also optimizing for the common case of ASCII string passed to %s and early returns everywhere. Returning nil from a gsub callback keeps the original substring.
author Kim Alvefur <zash@zash.se>
date Sat, 11 Dec 2021 13:30:34 +0100
parent 12031:87bc26f23d9b
child 12033:161f8268c4b3
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equal deleted inserted replaced
12031:87bc26f23d9b 12032:3db09eb4c43b
16 assert.equal("[7.3786976294838e+19]", format("%d", 73786976294838206464)); 16 assert.equal("[7.3786976294838e+19]", format("%d", 73786976294838206464));
17 end); 17 end);
18 18
19 it("escapes ascii control stuff", function () 19 it("escapes ascii control stuff", function ()
20 assert.equal("␁", format("%s", "\1")); 20 assert.equal("␁", format("%s", "\1"));
21 assert.equal("[␁]", format("%d", "\1"));
21 end); 22 end);
22 23
23 it("escapes invalid UTF-8", function () 24 it("escapes invalid UTF-8", function ()
24 assert.equal("\"Hello w\\195rld\"", format("%s", "Hello w\195rld")); 25 assert.equal("\"Hello w\\195rld\"", format("%s", "Hello w\195rld"));
25 end); 26 end);