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var assert = require("assert");
var run_code = require("../sandbox").run_code;
var semver = require("semver");
var UglifyJS = require("../node");
describe("Template literals", function() {
it("Should reject invalid literal", function() {
[
"`foo\\`",
"`foo${bar`",
"`foo${bar}",
].forEach(function(input) {
assert.throws(function() {
UglifyJS.parse(input);
}, function(e) {
return e instanceof UglifyJS.JS_Parse_Error
&& e.message === "Unterminated template literal";
}, input);
});
});
it("Should reject invalid expression", function() {
[
"`foo${bar;}`",
"`foo${42bar}`",
].forEach(function(input) {
assert.throws(function() {
UglifyJS.parse(input);
}, function(e) {
return e instanceof UglifyJS.JS_Parse_Error;
}, input);
});
});
it("Should process line-break characters correctly", function() {
[
// native line breaks
[ "`foo\nbar`", "`foo\nbar`" ],
[ "`foo\rbar`", "`foo\rbar`" ],
[ "`foo\r\nbar`", "`foo\nbar`" ],
[ "`foo\r\n\rbar`", "`foo\n\rbar`" ],
// escaped line breaks
[ "`foo\\nbar`", "`foo\\nbar`" ],
[ "`foo\\rbar`", "`foo\\rbar`" ],
[ "`foo\r\\nbar`", "`foo\r\\nbar`" ],
[ "`foo\\r\nbar`", "`foo\\r\nbar`" ],
[ "`foo\\r\\nbar`", "`foo\\r\\nbar`" ],
// continuation
[ "`foo\\\nbar`", "`foo\\\nbar`" ],
[ "`foo\\\rbar`", "`foo\\\rbar`" ],
[ "`foo\\\r\nbar`", "`foo\\\nbar`" ],
[ "`foo\\\r\n\rbar`", "`foo\\\n\rbar`" ],
[ "`foo\\\\nbar`", "`foo\\\\nbar`" ],
[ "`foo\\\\rbar`", "`foo\\\\rbar`" ],
[ "`foo\\\\r\nbar`", "`foo\\\\r\nbar`" ],
].forEach(function(test) {
var input = "console.log(" + test[0] + ");";
var result = UglifyJS.minify(input, {
compress: false,
mangle: false,
});
if (result.error) throw result.error;
var expected = "console.log(" + test[1] + ");";
assert.strictEqual(result.code, expected, test[0]);
if (semver.satisfies(process.version, "<4")) return;
assert.strictEqual(run_code(result.code), run_code(input), test[0]);
});
});
});
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