gecko-dev/devtools/shared/tests/unit/test_sprintfjs.js

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JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
/**
* This unit test checks that our string formatter works with different patterns and
* arguments.
* Initially copied from unit tests at https://github.com/alexei/sprintf.js
*/
const { sprintf } = require("devtools/shared/sprintfjs/sprintf");
const PI = 3.141592653589793;
function run_test() {
// Simple patterns
equal("%", sprintf("%%"));
equal("10", sprintf("%b", 2));
equal("A", sprintf("%c", 65));
equal("2", sprintf("%d", 2));
equal("2", sprintf("%i", 2));
equal("2", sprintf("%d", "2"));
equal("2", sprintf("%i", "2"));
equal('{"foo":"bar"}', sprintf("%j", { foo: "bar" }));
equal('["foo","bar"]', sprintf("%j", ["foo", "bar"]));
equal("2e+0", sprintf("%e", 2));
equal("2", sprintf("%u", 2));
equal("4294967294", sprintf("%u", -2));
equal("2.2", sprintf("%f", 2.2));
equal("3.141592653589793", sprintf("%g", PI));
equal("10", sprintf("%o", 8));
equal("%s", sprintf("%s", "%s"));
equal("ff", sprintf("%x", 255));
equal("FF", sprintf("%X", 255));
equal(
"Polly wants a cracker",
sprintf("%2$s %3$s a %1$s", "cracker", "Polly", "wants")
);
equal("Hello world!", sprintf("Hello %(who)s!", { who: "world" }));
equal("true", sprintf("%t", true));
equal("t", sprintf("%.1t", true));
equal("true", sprintf("%t", "true"));
equal("true", sprintf("%t", 1));
equal("false", sprintf("%t", false));
equal("f", sprintf("%.1t", false));
equal("false", sprintf("%t", ""));
equal("false", sprintf("%t", 0));
equal("undefined", sprintf("%T", undefined));
equal("null", sprintf("%T", null));
equal("boolean", sprintf("%T", true));
equal("number", sprintf("%T", 42));
equal("string", sprintf("%T", "This is a string"));
equal("function", sprintf("%T", Math.log));
equal("array", sprintf("%T", [1, 2, 3]));
equal("object", sprintf("%T", { foo: "bar" }));
equal("regexp", sprintf("%T", /<("[^"]*"|"[^"]*"|[^"">])*>/));
equal("true", sprintf("%v", true));
equal("42", sprintf("%v", 42));
equal("This is a string", sprintf("%v", "This is a string"));
equal("1,2,3", sprintf("%v", [1, 2, 3]));
equal("[object Object]", sprintf("%v", { foo: "bar" }));
equal(
"/<(\"[^\"]*\"|'[^']*'|[^'\">])*>/",
sprintf("%v", /<("[^"]*"|'[^']*'|[^'">])*>/)
);
// sign
equal("2", sprintf("%d", 2));
equal("-2", sprintf("%d", -2));
equal("+2", sprintf("%+d", 2));
equal("-2", sprintf("%+d", -2));
equal("2", sprintf("%i", 2));
equal("-2", sprintf("%i", -2));
equal("+2", sprintf("%+i", 2));
equal("-2", sprintf("%+i", -2));
equal("2.2", sprintf("%f", 2.2));
equal("-2.2", sprintf("%f", -2.2));
equal("+2.2", sprintf("%+f", 2.2));
equal("-2.2", sprintf("%+f", -2.2));
equal("-2.3", sprintf("%+.1f", -2.34));
equal("-0.0", sprintf("%+.1f", -0.01));
equal("3.14159", sprintf("%.6g", PI));
equal("3.14", sprintf("%.3g", PI));
equal("3", sprintf("%.1g", PI));
equal("-000000123", sprintf("%+010d", -123));
equal("______-123", sprintf("%+'_10d", -123));
equal("-234.34 123.2", sprintf("%f %f", -234.34, 123.2));
// padding
equal("-0002", sprintf("%05d", -2));
equal("-0002", sprintf("%05i", -2));
equal(" <", sprintf("%5s", "<"));
equal("0000<", sprintf("%05s", "<"));
equal("____<", sprintf("%'_5s", "<"));
equal("> ", sprintf("%-5s", ">"));
equal(">0000", sprintf("%0-5s", ">"));
equal(">____", sprintf("%'_-5s", ">"));
equal("xxxxxx", sprintf("%5s", "xxxxxx"));
equal("1234", sprintf("%02u", 1234));
equal(" -10.235", sprintf("%8.3f", -10.23456));
equal("-12.34 xxx", sprintf("%f %s", -12.34, "xxx"));
equal('{\n "foo": "bar"\n}', sprintf("%2j", { foo: "bar" }));
equal('[\n "foo",\n "bar"\n]', sprintf("%2j", ["foo", "bar"]));
// precision
equal("2.3", sprintf("%.1f", 2.345));
equal("xxxxx", sprintf("%5.5s", "xxxxxx"));
equal(" x", sprintf("%5.1s", "xxxxxx"));
equal(
"foobar",
sprintf("%s", function() {
return "foobar";
})
);
}