872270b149
- better inheritance of `Error` sub-classes - mark parse error against source in CLI closes #235 closes #348 closes #524 closes #1356 closes #1405
82 lines
2.7 KiB
JavaScript
82 lines
2.7 KiB
JavaScript
var UglifyJS = require('../../');
|
|
var assert = require("assert");
|
|
|
|
describe("String literals", function() {
|
|
it("Should throw syntax error if a string literal contains a newline", function() {
|
|
var inputs = [
|
|
"'\n'",
|
|
"'\r'",
|
|
'"\r\n"',
|
|
"'\u2028'",
|
|
'"\u2029"'
|
|
];
|
|
|
|
var test = function(input) {
|
|
return function() {
|
|
var ast = UglifyJS.parse(input);
|
|
};
|
|
};
|
|
|
|
var error = function(e) {
|
|
return e instanceof UglifyJS.JS_Parse_Error &&
|
|
e.message === "Unterminated string constant";
|
|
};
|
|
|
|
for (var input in inputs) {
|
|
assert.throws(test(inputs[input]), error);
|
|
}
|
|
});
|
|
|
|
it("Should not throw syntax error if a string has a line continuation", function() {
|
|
var output = UglifyJS.parse('var a = "a\\\nb";').print_to_string();
|
|
assert.equal(output, 'var a="ab";');
|
|
});
|
|
|
|
it("Should throw error in strict mode if string contains escaped octalIntegerLiteral", function() {
|
|
var inputs = [
|
|
'"use strict";\n"\\76";',
|
|
'"use strict";\nvar foo = "\\76";',
|
|
'"use strict";\n"\\1";',
|
|
'"use strict";\n"\\07";',
|
|
'"use strict";\n"\\011"'
|
|
];
|
|
|
|
var test = function(input) {
|
|
return function() {
|
|
var output = UglifyJS.parse(input);
|
|
}
|
|
};
|
|
|
|
var error = function(e) {
|
|
return e instanceof UglifyJS.JS_Parse_Error &&
|
|
e.message === "Legacy octal escape sequences are not allowed in strict mode";
|
|
}
|
|
|
|
for (var input in inputs) {
|
|
assert.throws(test(inputs[input]), error);
|
|
}
|
|
});
|
|
|
|
it("Should not throw error outside strict mode if string contains escaped octalIntegerLiteral", function() {
|
|
var tests = [
|
|
['"\\76";', ';">";'],
|
|
['"\\0"', '"\\0";'],
|
|
['"\\08"', '"\\08";'],
|
|
['"\\008"', '"\\08";'],
|
|
['"\\0008"', '"\\08";'],
|
|
['"use strict" === "use strict";\n"\\76";', '"use strict"==="use strict";">";'],
|
|
['"use\\\n strict";\n"\\07";', ';"use strict";"\07";']
|
|
];
|
|
|
|
for (var test in tests) {
|
|
var output = UglifyJS.parse(tests[test][0]).print_to_string();
|
|
assert.equal(output, tests[test][1]);
|
|
}
|
|
});
|
|
|
|
it("Should not throw error when digit is 8 or 9", function() {
|
|
assert.equal(UglifyJS.parse('"use strict";"\\08"').print_to_string(), '"use strict";"\\08";');
|
|
assert.equal(UglifyJS.parse('"use strict";"\\09"').print_to_string(), '"use strict";"\\09";');
|
|
});
|
|
});
|