local format = require "util.format".format; describe("util.format", function() describe("#format()", function() it("should work", function() assert.equal("hello", format("%s", "hello")); assert.equal("(nil)", format("%s")); assert.equal("(nil)", format("%d")); assert.equal("(nil)", format("%q")); assert.equal(" [(nil)]", format("", nil)); assert.equal("true", format("%s", true)); assert.equal("[true]", format("%d", true)); assert.equal("% [true]", format("%%", true)); assert.equal("{ }", format("%q", { })); assert.equal("[1.5]", format("%d", 1.5)); assert.equal("[7.3786976294838e+19]", format("%d", 73786976294838206464)); end); it("escapes ascii control stuff", function () assert.equal("␁", format("%s", "\1")); end); end); end);