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util.format: Ensure metatable __tostring results are also sanitized

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This commit is contained in:
Kim Alvefur 2021-12-13 16:34:55 +01:00
parent 283042d7c3
commit 58c9115351
3 changed files with 20 additions and 2 deletions
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16
spec/util_format_spec.lua
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@ -780,96 +780,112 @@ describe("util.format", function()
describe("to %c", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%c", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%c", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %d", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%d", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%d", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %i", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%i", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%i", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %o", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%o", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%o", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %u", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%u", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%u", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %x", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%x", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%x", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %X", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%X", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%X", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %a", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%a", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%a", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %A", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%A", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%A", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %e", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%e", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%e", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %E", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%E", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%E", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %f", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%f", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%f", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %g", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%g", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%g", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %G", function ()
it("works", function ()
assert.matches("[table: 0[xX]%x+]", format("%G", { }))
assert.equal("[foo \226\144\129\226\144\130\226\144\131 bar]", format("%G", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %q", function ()
it("works", function ()
assert.matches("{ }", format("%q", { }))
assert.equal("{ }", format("%q", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);
describe("to %s", function ()
it("works", function ()
assert.matches("table: 0[xX]%x+", format("%s", { }))
assert.equal("foo \226\144\129\226\144\130\226\144\131 bar", format("%s", setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end})))
end);
end);