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1eca4e8870
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.
29 lines
960 B
Lua
29 lines
960 B
Lua
local format = require "util.format".format;
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describe("util.format", function()
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describe("#format()", function()
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it("should work", function()
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assert.equal("hello", format("%s", "hello"));
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assert.equal("(nil)", format("%s"));
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assert.equal("(nil)", format("%d"));
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assert.equal("(nil)", format("%q"));
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assert.equal(" [(nil)]", format("", nil));
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assert.equal("true", format("%s", true));
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assert.equal("[true]", format("%d", true));
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assert.equal("% [true]", format("%%", true));
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assert.equal("{ }", format("%q", { }));
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assert.equal("[1.5]", format("%d", 1.5));
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assert.equal("[7.3786976294838e+19]", format("%d", 73786976294838206464));
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end);
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it("escapes ascii control stuff", function ()
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assert.equal("␁", format("%s", "\1"));
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assert.equal("[␁]", format("%d", "\1"));
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end);
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it("escapes invalid UTF-8", function ()
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assert.equal("\"Hello w\\195rld\"", format("%s", "Hello w\195rld"));
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end);
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end);
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end);
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