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parser.js
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parser.js
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/**
* Tests for the parser/tokenizer
*/
"use strict";
var JSHINT = require("../..").JSHINT;
var fs = require('fs');
var TestRun = require("../helpers/testhelper").setup.testRun;
var path = require("path");
exports.unsafe = function (test) {
var code = [
"var a\u000a = 'Here is a unsafe character';",
];
TestRun(test)
.addError(1, "This character may get silently deleted by one or more browsers.")
.test(code, {es3: true});
test.done();
};
exports.peekOverDirectives = function (test) {
var code = fs.readFileSync(__dirname + "/fixtures/peek-over-directives.js", "utf8");
TestRun(test)
// Within object literal
.addError(18, "This character may get silently deleted by one or more browsers.")
.addError(18, "Unexpected control character in regular expression.")
.addError(19, "Unexpected escaped character '<' in regular expression.")
.addError(20, "Line is too long.")
.addError(21, "Control character in string: <non-printable>.")
.addError(21, "This character may get silently deleted by one or more browsers.")
.addError(22, "'Octal integer literal' is only available in ES6 (use 'esversion: 6').")
.addError(23, "'Binary integer literal' is only available in ES6 (use 'esversion: 6').")
.addError(24, "'template literal syntax' is only available in ES6 (use 'esversion: 6').")
.addError(25, "'Sticky RegExp flag' is only available in ES6 (use 'esversion: 6').")
// Within array literal:
.addError(44, "This character may get silently deleted by one or more browsers.")
.addError(44, "Unexpected control character in regular expression.")
.addError(45, "Unexpected escaped character '<' in regular expression.")
.addError(46, "Line is too long.")
.addError(47, "Control character in string: <non-printable>.")
.addError(47, "This character may get silently deleted by one or more browsers.")
.addError(48, "'Octal integer literal' is only available in ES6 (use 'esversion: 6').")
.addError(49, "'Binary integer literal' is only available in ES6 (use 'esversion: 6').")
.addError(50, "'template literal syntax' is only available in ES6 (use 'esversion: 6').")
.addError(51, "'Sticky RegExp flag' is only available in ES6 (use 'esversion: 6').")
// Within grouping operator:
.addError(70, "This character may get silently deleted by one or more browsers.")
.addError(70, "Unexpected control character in regular expression.")
.addError(71, "Unexpected escaped character '<' in regular expression.")
.addError(72, "Line is too long.")
.addError(73, "Control character in string: <non-printable>.")
.addError(73, "This character may get silently deleted by one or more browsers.")
.addError(74, "'Octal integer literal' is only available in ES6 (use 'esversion: 6').")
.addError(75, "'Binary integer literal' is only available in ES6 (use 'esversion: 6').")
.addError(76, "'template literal syntax' is only available in ES6 (use 'esversion: 6').")
.addError(77, "'Sticky RegExp flag' is only available in ES6 (use 'esversion: 6').")
.test(code);
test.done();
};
exports.other = function (test) {
var code = [
"\\",
"!",
];
TestRun(test)
.addError(1, "Unexpected '\\'.")
.addError(2, "Unexpected early end of program.")
.addError(2, "Unrecoverable syntax error. (100% scanned).")
.test(code, {es3: true});
// GH-818
TestRun(test)
.addError(1, "Expected an identifier and instead saw ')'.")
.addError(1, "Unrecoverable syntax error. (100% scanned).")
.test("if (product < ) {}", {es3: true});
// GH-2506
TestRun(test)
.addError(1, "Expected an identifier and instead saw ';'.")
.addError(1, "Unrecoverable syntax error. (100% scanned).")
.test("typeof;");
TestRun(test)
.addError(1, "Unrecoverable syntax error. (0% scanned).")
.test("}");
test.done();
};
exports.confusingOps = function (test) {
var code = [
"var a = 3 - -3;",
"var b = 3 + +3;",
"a = a - --a;",
"a = b + ++b;",
"a = a-- - 3;", // this is not confusing?!
"a = a++ + 3;", // this is not confusing?!
];
var run = TestRun(test)
.addError(1, "Confusing minuses.")
.addError(2, "Confusing plusses.")
.addError(3, "Confusing minuses.")
.addError(4, "Confusing plusses.");
run.test(code, {es3: true});
run.test(code, {}); // es5
run.test(code, {esnext: true});
run.test(code, {moz: true});
test.done();
};
exports.division = function (test) {
var run;
var code = [
'var a=4,b=4,i=2;',
'a/=b+2;',
'a/=b/2;',
'a/=b/i;',
'/*jshint expr:true*/',
'/=b/i;' // valid standalone RegExp expression
];
run = TestRun(test);
run.test(code);
test.done();
};
exports.plusplus = function (test) {
var run;
var code = [
"var a = ++[2];",
"var b = --(2);",
];
run = TestRun(test)
.addError(1, "Unexpected use of '++'.")
.addError(2, "Unexpected use of '--'.");
run.test(code, { plusplus: true, es3: true });
run.test(code, { plusplus: true }); // es5
run.test(code, { plusplus: true, esnext: true });
run.test(code, { plusplus: true, moz: true });
run = TestRun(test)
.addError(2, "Bad operand.");
run.test(code, { plusplus: false, es3: true });
run.test(code, { plusplus: false }); // es5
run.test(code, { plusplus: false, esnext: true });
run.test(code, { plusplus: false, moz: true });
test.done();
};
exports.assignment = function (test) {
var code = [
"function test() {",
" arguments.length = 2;",
" arguments[0] = 3;",
" arguments.length &= 2;",
" arguments[0] >>= 3;",
"}",
"function test2() {",
" \"use strict\";",
" arguments.length = 2;",
" arguments[0] = 3;",
" arguments.length &= 2;",
" arguments[0] >>= 3;",
"}",
"a() = 2;",
];
var run = TestRun(test)
.addError(2, "Bad assignment.")
.addError(3, "Bad assignment.")
.addError(4, "Bad assignment.")
.addError(5, "Bad assignment.")
.addError(14, "Bad assignment.");
run.test(code, { plusplus: true, es3: true });
run.test(code, { plusplus: true }); // es5
run.test(code, { plusplus: true, esnext: true });
run.test(code, { plusplus: true, moz: true });
test.done();
};
exports.relations = function (test) {
var code = [
"var a = 2 === NaN;",
"var b = NaN == 2;",
"var c = !2 < 3;",
"var c = 2 < !3;",
"var d = (!'x' in obj);",
"var e = (!a === b);",
"var f = (a === !'hi');",
"var g = (!2 === 1);",
"var h = (![1, 2, 3] === []);",
"var i = (!([]) instanceof Array);"
];
var run = TestRun(test)
.addError(1, "Use the isNaN function to compare with NaN.")
.addError(2, "Use the isNaN function to compare with NaN.")
.addError(3, "Confusing use of '!'.", {character : 9})
.addError(4, "Confusing use of '!'.", {character : 13})
.addError(5, "Confusing use of '!'.", {character : 10})
.addError(6, "Confusing use of '!'.", {character : 10})
.addError(7, "Confusing use of '!'.", {character : 16})
.addError(8, "Confusing use of '!'.", {character : 10})
.addError(9, "Confusing use of '!'.", {character : 10})
.addError(10, "Confusing use of '!'.", {character : 10});
run.test(code, {es3: true});
run.test(code, {}); // es5
run.test(code, {esnext: true});
run.test(code, {moz: true});
test.done();
};
exports.options = function (test) {
var code = [
"/*member a*/",
"/*members b*/",
"var x; x.a.b.c();",
"/*jshint ++ */",
"/*jslint indent: 0 */",
"/*jslint indent: -2 */",
"/*jslint indent: 100.4 */",
"/*jslint maxlen: 200.4 */",
"/*jslint maxerr: 300.4 */",
"/*jslint maxerr: 0 */",
"/*jslint maxerr: 20 */",
"/*member c:true */",
"/*jshint d:no */",
"/*global xxx*/",
"xxx = 2;",
"/*jshint relaxing: true */",
"/*jshint toString: true */",
];
var run = TestRun(test)
.addError(3, "Unexpected /*member 'c'.")
.addError(4, "Bad option: '++'.")
.addError(5, "Expected a small integer or 'false' and instead saw '0'.")
.addError(6, "Expected a small integer or 'false' and instead saw '-2'.")
.addError(7, "Expected a small integer or 'false' and instead saw '100.4'.")
.addError(8, "Expected a small integer or 'false' and instead saw '200.4'.")
.addError(9, "Expected a small integer or 'false' and instead saw '300.4'.")
.addError(10, "Expected a small integer or 'false' and instead saw '0'.")
.addError(13, "Bad option: 'd'.")
.addError(15, "Read only.")
.addError(16, "Bad option: 'relaxing'.")
.addError(17, "Bad option: 'toString'.");
run.test(code, {es3: true});
run.test(code, {}); // es5
run.test(code, {esnext: true});
run.test(code, {moz: true});
TestRun(test).test(fs.readFileSync(__dirname + "/fixtures/gh988.js", "utf8"));
test.done();
};
exports.emptyDirectives = function (test) {
TestRun(test)
.addError(1, "Bad option value.")
.test('/* global */');
TestRun(test)
.addError(1, "Bad option value.")
.test('/* global : */');
TestRun(test)
.addError(1, "Bad option value.")
.test('/* global -: */');
TestRun(test)
.test('/* global foo, bar, baz, */');
TestRun(test)
.addError(1, "Bad option value.")
.test('/* globals */');
TestRun(test)
.addError(1, "Bad option value.")
.test('/* globals : */');
TestRun(test)
.addError(1, "Bad option value.")
.test('/* globals -: */');
TestRun(test)
.test('/* globals foo, bar, baz, */');
TestRun(test)
.addError(1, "Bad option value.")
.test('/* exported */');
TestRun(test)
.test('/* exported foo, bar, baz, */');
test.done();
};
exports["jshint option comments single line"] = function (test) {
var src = fs.readFileSync(__dirname + "/fixtures/gh1768-1.js", "utf8");
TestRun(test).test(src);
test.done();
};
exports["jshint option comments single line, leading and trailing space"] = function (test) {
var src = fs.readFileSync(__dirname + "/fixtures/gh1768-2.js", "utf8");
TestRun(test).test(src);
test.done();
};
exports["jshint option comments multi line"] = function (test) {
var src = fs.readFileSync(__dirname + "/fixtures/gh1768-3.js", "utf8");
TestRun(test).test(src);
test.done();
};
exports["jshint option comments multi line, leading and trailing space"] = function (test) {
var src = fs.readFileSync(__dirname + "/fixtures/gh1768-4.js", "utf8");
TestRun(test)
.addError(4, "'foo' is not defined.")
.test(src);
test.done();
};
exports["jshint option comments multi line/option"] = function (test) {
var src = fs.readFileSync(__dirname + "/fixtures/gh1768-5.js", "utf8");
TestRun(test)
.addError(3, "'foo' is not defined.")
.test(src);
test.done();
};
exports["jshint option comments multi line/option, leading and trailing space"] = function (test) {
var src = fs.readFileSync(__dirname + "/fixtures/gh1768-6.js", "utf8");
TestRun(test)
.addError(4, "'foo' is not defined.")
.test(src);
test.done();
};
exports.shebang = function (test) {
var code = [
"#!test",
"var a = 'xxx';",
"#!test"
];
var run = TestRun(test)
.addError(3, "Expected an identifier and instead saw '#'.")
.addError(3, "Expected an operator and instead saw '!'.")
.addError(3, "Expected an assignment or function call and instead saw an expression.")
.addError(3, "Missing semicolon.");
run.test(code, {es3: true});
run.test(code, {}); // es5
run.test(code, {esnext: true});
run.test(code, {moz: true});
test.done();
};
exports.shebangImpliesNode = function (test) {
var code = [
"#!usr/bin/env node",
"require('module');",
];
TestRun(test).test(code);
test.done();
};
exports.numbers = function (test) {
/*jshint maxlen: 300*/
var code = [
"var a = 10e307;",
"var b = 10e308;",
"var c = 0.03 + 0.3 + 3.0 + 30.00;",
"var d = 03;",
"var e = .3;",
"var f = 0xAAg;",
"var g = 0033;",
"var h = 3.;",
"var i = 3.7.toString();",
"var j = 1e-10;", // GH-821
"var k = 0o1234567;",
"var l = 0b101;",
"var m = 0x;",
"var n = 09;",
"var o = 1e-A;",
"var p = 1/;",
"var q = 1x;"
];
TestRun(test)
.addError(2, "Bad number '10e308'.")
.addError(5, "A leading decimal point can be confused with a dot: '.3'.")
.addError(6, "Unexpected '0'.")
.addError(7, "Expected an identifier and instead saw 'var'.")
.addError(7, "Missing semicolon.")
.addError(7, "Don't use extra leading zeros '0033'.")
.addError(8, "A trailing decimal point can be confused with a dot: '3.'.")
.addError(9, "A dot following a number can be confused with a decimal point.")
.addError(11, "'Octal integer literal' is only available in ES6 (use 'esversion: 6').")
.addError(12, "'Binary integer literal' is only available in ES6 (use 'esversion: 6').")
.addError(13, "Bad number '0x'.")
.addError(15, "Unexpected '1'.")
.addError(16, "Expected an identifier and instead saw ';'.")
.addError(16, "Expected an identifier and instead saw 'var'.")
.addError(16, "Missing semicolon.")
.addError(17, "Unexpected '1'.")
.addError(17, "Unexpected early end of program.")
.addError(17, "Unrecoverable syntax error. (100% scanned).")
.test(code, {es3: true});
// Octals are prohibited in strict mode.
TestRun(test)
.addError(3, "Octal literals are not allowed in strict mode.")
.test([
"(function () {",
"'use strict';",
"return 045;",
"}());"
]);
// GitHub #751 - an expression containing a number with a leading decimal point should be parsed in its entirety
TestRun(test)
.addError(1, "A leading decimal point can be confused with a dot: '.3'.")
.addError(2, "A leading decimal point can be confused with a dot: '.3'.")
.test([
"var a = .3 + 1;",
"var b = 1 + .3;",
]);
TestRun(test)
.addError(5, "Missing semicolon.")
.addError(5, "Expected an assignment or function call and instead saw an expression.")
.addError(6, "Missing semicolon.")
.addError(6, "Expected an assignment or function call and instead saw an expression.")
.test([
"var a = 0o1234567;",
"var b = 0O1234567;",
"var c = 0b101;",
"var d = 0B101;",
"var e = 0o12345678;",
"var f = 0b1012;",
], {esnext: true});
TestRun(test)
.test([
"// jshint esnext: true",
"var a = 0b0 + 0o0;"
]);
test.done();
};
exports.comments = function (test) {
var code = [
"/*",
"/* nested */",
"*/",
"/* unclosed ..",
];
var run = TestRun(test)
.addError(3, "Unbegun comment.")
.addError(4, "Unclosed comment.");
run.test(code, {es3: true});
run.test(code, {}); // es5
run.test(code, {esnext: true});
run.test(code, {moz: true});
var src = "/* this is a comment /* with nested slash-start */";
TestRun(test).test(src);
TestRun(test).test(fs.readFileSync(__dirname + "/fixtures/gruntComment.js", "utf8"));
TestRun(test)
.addError(1, "Unmatched '{'.")
.addError(1, "Unrecoverable syntax error. (100% scanned).")
.test("({");
test.done();
};
exports.regexp = function (test) {
var code = [
"var a1 = /\\\x1f/;",
"var a2 = /[\\\x1f]/;",
"var b1 = /\\</;", // only \< is unexpected?!
"var b2 = /[\\<]/;", // only \< is unexpected?!
"var c = /(?(a)b)/;",
"var d = /)[--aa-b-cde-]/;",
"var e = /[]/;",
"var f = /[^]/;",
"var g = /[a^[]/;",
// FIXME: Firefox doesn't handle [a-\\s] well.
// See https://bugzilla.mozilla.org/show_bug.cgi?id=813249
"", // "var h = /[a-\\s-\\w-\\d\\x10-\\x20--]/;",
"var i = /[/-a1-/]/;",
"var j = /[a-<<-3]./;",
"var k = /]}/;",
"var l = /?(*)(+)({)/;",
"var m = /a{b}b{2,c}c{3,2}d{4,?}x{30,40}/;",
"var n = /a??b+?c*?d{3,4}? a?b+c*d{3,4}/;",
"var o = /a\\/* [a-^-22-]/;",
"var p = /(?:(?=a|(?!b)))/;",
"var q = /=;/;",
"var r = /(/;",
"var s = /(((/;",
"var t = /x/* 2;",
"var u = /x/;",
"var w = v + /s/;",
"var x = w - /s/;",
"var y = typeof /[a-z]/;", // GH-657
"var z = /a/ instanceof /a/.constructor;", // GH-2773
"var v = /dsdg;"
];
var run = TestRun(test)
.addError(1, "This character may get silently deleted by one or more browsers.")
.addError(1, "Unexpected control character in regular expression.")
.addError(2, "This character may get silently deleted by one or more browsers.")
.addError(2, "Unexpected control character in regular expression.")
.addError(3, "Unexpected escaped character '<' in regular expression.")
.addError(4, "Unexpected escaped character '<' in regular expression.")
.addError(5, "Invalid regular expression.")
.addError(6, "Invalid regular expression.")
.addError(11, "Invalid regular expression.")
.addError(12, "Invalid regular expression.")
.addError(14, "Invalid regular expression.")
.addError(15, "Invalid regular expression.")
.addError(17, "Invalid regular expression.")
.addError(20, "Invalid regular expression.")
.addError(21, "Invalid regular expression.")
.addError(28, "Unclosed regular expression.")
.addError(28, "Unrecoverable syntax error. (100% scanned).");
run.test(code, {es3: true});
run.test(code, {}); // es5
run.test(code, {esnext: true});
run.test(code, {moz: true});
TestRun(test).test("var a = `${/./}${/./}`;", { esversion: 6 });
// Pre Regular Expression Punctuation
// (See: token method, create function in lex.js)
//
// "."
TestRun(test)
.addError(1, "A trailing decimal point can be confused with a dot: '10.'.")
.test("var y = 10. / 1;", {es3: true});
TestRun(test)
.addError(1, "A trailing decimal point can be confused with a dot: '10.'.")
.test("var y = 10. / 1;", {}); // es5
TestRun(test)
.addError(1, "A trailing decimal point can be confused with a dot: '10.'.")
.test("var y = 10. / 1;", {esnext: true});
TestRun(test)
.addError(1, "A trailing decimal point can be confused with a dot: '10.'.")
.test("var y = 10. / 1;", {moz: true});
// ")"
TestRun(test).test("var y = Math.sqrt(16) / 180;", {es3: true});
TestRun(test).test("var y = Math.sqrt(16) / 180;", {}); // es5
TestRun(test).test("var y = Math.sqrt(16) / 180;", {esnext: true});
TestRun(test).test("var y = Math.sqrt(16) / 180;", {moz: true});
// "~"
TestRun(test).test("var y = Math.sqrt(16) / 180;", {es3: true});
TestRun(test).test("var y = Math.sqrt(16) / 180;", {}); // es5
TestRun(test).test("var y = Math.sqrt(16) / 180;", {esnext: true});
TestRun(test).test("var y = Math.sqrt(16) / 180;", {moz: true});
// "]" (GH-803)
TestRun(test).test("var x = [1]; var y = x[0] / 180;", {es3: true});
TestRun(test).test("var x = [1]; var y = x[0] / 180;", {}); // es5
TestRun(test).test("var x = [1]; var y = x[0] / 180;", {esnext: true});
TestRun(test).test("var x = [1]; var y = x[0] / 180;", {moz: true});
// "++" (GH-1787)
TestRun(test).test("var a = 1; var b = a++ / 10;", {es3: true});
TestRun(test).test("var a = 1; var b = a++ / 10;", {}); // es5
TestRun(test).test("var a = 1; var b = a++ / 10;", {esnext: true});
TestRun(test).test("var a = 1; var b = a++ / 10;", {moz: true});
// "--" (GH-1787)
TestRun(test).test("var a = 1; var b = a-- / 10;", {es3: true});
TestRun(test).test("var a = 1; var b = a-- / 10;", {}); // es5
TestRun(test).test("var a = 1; var b = a-- / 10;", {esnext: true});
TestRun(test).test("var a = 1; var b = a-- / 10;", {moz: true});
test.done();
};
exports.testRegexRegressions = function (test) {
// GH-536
TestRun(test).test("str /= 5;", {es3: true}, { str: true });
TestRun(test).test("str /= 5;", {}, { str: true }); // es5
TestRun(test).test("str /= 5;", {esnext: true}, { str: true });
TestRun(test).test("str /= 5;", {moz: true}, { str: true });
TestRun(test).test("str = str.replace(/=/g, '');", {es3: true}, { str: true });
TestRun(test).test("str = str.replace(/=/g, '');", {}, { str: true }); // es5
TestRun(test).test("str = str.replace(/=/g, '');", {esnext: true}, { str: true });
TestRun(test).test("str = str.replace(/=/g, '');", {moz: true}, { str: true });
TestRun(test).test("str = str.replace(/=abc/g, '');", {es3: true}, { str: true });
TestRun(test).test("str = str.replace(/=abc/g, '');", {}, { str: true }); // es5
TestRun(test).test("str = str.replace(/=abc/g, '');", {esnext: true}, { str: true });
TestRun(test).test("str = str.replace(/=abc/g, '');", {moz: true}, { str: true });
// GH-538
TestRun(test).test("var exp = /function(.*){/gi;", {es3: true});
TestRun(test).test("var exp = /function(.*){/gi;", {}); // es5
TestRun(test).test("var exp = /function(.*){/gi;", {esnext: true});
TestRun(test).test("var exp = /function(.*){/gi;", {moz: true});
TestRun(test).test("var exp = /\\[\\]/;", {es3: true});
TestRun(test).test("var exp = /\\[\\]/;", {}); // es5
TestRun(test).test("var exp = /\\[\\]/;", {esnext: true});
TestRun(test).test("var exp = /\\[\\]/;", {moz: true});
test.done();
};
exports.regexpSticky = function (test) {
TestRun(test)
.addError(1, "'Sticky RegExp flag' is only available in ES6 (use 'esversion: 6').")
.test("var exp = /./y;", { esversion: 5 });
TestRun(test).test("var exp = /./y;", { esversion: 6 });
TestRun(test).test("var exp = /./gy;", { esversion: 6 });
TestRun(test).test("var exp = /./yg;", { esversion: 6 });
TestRun(test, "Invalid due to repetition")
.addError(1, "Invalid regular expression.")
.addError(2, "Invalid regular expression.")
.test([
"var exp = /./yy;",
"var exp = /./ygy;"
], { esversion: 6 });
TestRun(test, "Invalid due to other conditions")
.addError(1, "Invalid regular expression.")
.addError(2, "Invalid regular expression.")
.test([
"var exp = /./gyg;",
"var exp = /?/y;"
] , { esversion: 6 });
test.done();
};
exports.strings = function (test) {
var code = [
"var a = '\u0012\\r';",
"var b = \'\\g\';",
"var c = '\\u0022\\u0070\\u005C';",
"var d = '\\\\';",
"var e = '\\x6b..\\x6e';",
"var f = '\\b\\f\\n\\/';",
"var g = 'ax",
];
var run = TestRun(test)
.addError(1, "Control character in string: <non-printable>.", {character: 10})
.addError(1, "This character may get silently deleted by one or more browsers.")
.addError(7, "Unclosed string.")
.addError(7, "Missing semicolon.");
run.test(code, {es3: true});
run.test(code, {}); // es5
run.test(code, {esnext: true});
run.test(code, {moz: true});
test.done();
};
exports.badStrings = function (test) {
var code = [
"var a = '\\uNOTHEX';"
];
var run = TestRun(test)
.addError(1, "Unexpected 'uNOTH'.");
run.test(code, {es3: true});
run.test(code, {}); // es5
run.test(code, {esnext: true});
run.test(code, {moz: true});
test.done();
};
exports.ownProperty = function (test) {
var code = [
"var obj = { hasOwnProperty: false };",
"obj.hasOwnProperty = true;",
"obj['hasOwnProperty'] = true;",
"function test() { var hasOwnProperty = {}.hasOwnProperty; }"
];
var run = TestRun(test)
.addError(1, "'hasOwnProperty' is a really bad name.")
.addError(2, "'hasOwnProperty' is a really bad name.")
.addError(3, "'hasOwnProperty' is a really bad name.")
.addError(3, "['hasOwnProperty'] is better written in dot notation.");
run.test(code, {es3: true});
run.test(code, {}); // es5
run.test(code, {esnext: true});
run.test(code, {moz: true});
test.done();
};
exports.json = {};
exports.json.dflt = function (test) {
var code = [
'{',
' a: 2,',
' \'b\': "hallo\\"\\v\\x12\\\'world",',
' "c\\"\\v\\x12": \'4\',',
' "d": "4\\',
' ",',
' "e": 0x332,',
' "x": 0',
'}',
];
var run = TestRun(test)
.addError(2, "Expected a string and instead saw a.")
.addError(3, "Strings must use doublequote.")
.addError(3, "Avoid \\v.")
.addError(3, "Avoid \\x-.")
.addError(3, "Avoid \\'.")
.addError(4, "Avoid \\v.")
.addError(4, "Avoid \\x-.")
.addError(4, "Strings must use doublequote.")
.addError(5, "Avoid EOL escaping.")
.addError(7, "Avoid 0x-.");
run.test(code, {multistr: true, es3: true});
run.test(code, {multistr: true}); // es5
run.test(code, {multistr: true, esnext: true});
run.test(code, {multistr: true, moz: true});
test.done();
};
exports.json.deep = function (test) {
var code = [
'{',
' "key" : {',
' "deep" : [',
' "value",',
' { "num" : 123, "array": [] }',
' ]',
' },',
' "single": ["x"],',
' "negative": -1.23e2',
'}'
];
var run = TestRun(test);
run.test(code, {multistr: true, es3: true});
run.test(code, {multistr: true}); // es5
run.test(code, {multistr: true, esnext: true});
run.test(code, {multistr: true, moz: true});
test.done();
}
exports.json.errors = function (test) {
var objTrailingComma = [
'{ "key" : "value", }',
];
var run1 = TestRun(test)
.addError(1, "Unexpected comma.");
run1.test(objTrailingComma, {multistr: true, es3: true});
run1.test(objTrailingComma, {multistr: true}); // es5
run1.test(objTrailingComma, {multistr: true, esnext: true});
run1.test(objTrailingComma, {multistr: true, moz: true});
var arrayTrailingComma = [
'{ "key" : [,] }',
];
var run2 = TestRun(test)
.addError(1, "Illegal comma.")
.addError(1, "Expected a JSON value.")
.addError(1, "Unexpected comma.");
run2.test(arrayTrailingComma, {multistr: true, es3: true});
run2.test(arrayTrailingComma, {multistr: true}); // es5
run2.test(arrayTrailingComma, {multistr: true, esnext: true});
run2.test(arrayTrailingComma, {multistr: true, moz: true});
var objMissingComma = [
'{ "k1":"v1" "k2":"v2" }',
];
var run3 = TestRun(test)
.addError(1, "Expected '}' and instead saw 'k2'.")
.addError(1, "Unrecoverable syntax error. (100% scanned).");
run3.test(objMissingComma, {multistr: true, es3: true});
run3.test(objMissingComma, {multistr: true}); // es5
run3.test(objMissingComma, {multistr: true, esnext: true});
run3.test(objMissingComma, {multistr: true, moz: true});
var arrayMissingComma = [
'[ "v1" "v2" ]',
];
var run4 = TestRun(test)
.addError(1, "Expected ']' and instead saw 'v2'.")
.addError(1, "Unrecoverable syntax error. (100% scanned).");
run4.test(arrayMissingComma, {multistr: true, es3: true});
run4.test(arrayMissingComma, {multistr: true}); // es5
run4.test(arrayMissingComma, {multistr: true, esnext: true});
run4.test(arrayMissingComma, {multistr: true, moz: true});
var objDoubleComma = [
'{ "k1":"v1",, "k2":"v2" }',
];
var run5 = TestRun(test)
.addError(1, "Illegal comma.")
.addError(1, "Expected ':' and instead saw 'k2'.")
.addError(1, "Expected a JSON value.")
.addError(1, "Expected '}' and instead saw ':'.")
.addError(1, "Unrecoverable syntax error. (100% scanned).");
run5.test(objDoubleComma, {multistr: true, es3: true});
run5.test(objDoubleComma, {multistr: true}); // es5
run5.test(objDoubleComma, {multistr: true, esnext: true});
run5.test(objDoubleComma, {multistr: true, moz: true});
var arrayDoubleComma = [
'[ "v1",, "v2" ]',
];
var run6 = TestRun(test)
.addError(1, "Illegal comma.")
.addError(1, "Expected a JSON value.");
run6.test(arrayDoubleComma, {multistr: true, es3: true});
run6.test(arrayDoubleComma, {multistr: true}); // es5
run6.test(arrayDoubleComma, {multistr: true, esnext: true});
run6.test(arrayDoubleComma, {multistr: true, moz: true});
var objUnclosed = [
'{ "k1":"v1"',
];
var run7 = TestRun(test)
.addError(1, "Expected '}' and instead saw ''.")
.addError(1, "Unrecoverable syntax error. (100% scanned).");
run7.test(objUnclosed, {multistr: true, es3: true});
run7.test(objUnclosed, {multistr: true}); // es5
run7.test(objUnclosed, {multistr: true, esnext: true});
run7.test(objUnclosed, {multistr: true, moz: true});
var arrayUnclosed = [
'[ "v1"',
];
var run8 = TestRun(test)
.addError(1, "Expected ']' and instead saw ''.")
.addError(1, "Unrecoverable syntax error. (100% scanned).");
run8.test(arrayUnclosed, {multistr: true, es3: true});
run8.test(arrayUnclosed, {multistr: true}); // es5
run8.test(arrayUnclosed, {multistr: true, esnext: true});
run8.test(arrayUnclosed, {multistr: true, moz: true});
var objUnclosed2 = [
'{',
];
var run9 = TestRun(test)
.addError(1, "Missing '}' to match '{' from line 1.")
.addError(1, "Unrecoverable syntax error. (100% scanned).");
run9.test(objUnclosed2, {multistr: true, es3: true});
run9.test(objUnclosed2, {multistr: true}); // es5
run9.test(objUnclosed2, {multistr: true, esnext: true});
run9.test(objUnclosed2, {multistr: true, moz: true});
var arrayUnclosed2 = [
'[',
];
var run10 = TestRun(test)
.addError(1, "Missing ']' to match '[' from line 1.")
.addError(1, "Expected a JSON value.")
.addError(1, "Expected ']' and instead saw ''.")
.addError(1, "Unrecoverable syntax error. (100% scanned).");
run10.test(arrayUnclosed2, {multistr: true, es3: true});
run10.test(arrayUnclosed2, {multistr: true}); // es5
run10.test(arrayUnclosed2, {multistr: true, esnext: true});
run10.test(arrayUnclosed2, {multistr: true, moz: true});
var objDupKeys = [
'{ "k1":"v1", "k1":"v1" }',
];
var run11 = TestRun(test)
.addError(1, "Duplicate key 'k1'.");
run11.test(objDupKeys, {multistr: true, es3: true});
run11.test(objDupKeys, {multistr: true}); // es5
run11.test(objDupKeys, {multistr: true, esnext: true});
run11.test(objDupKeys, {multistr: true, moz: true});
var objBadKey = [
'{ k1:"v1" }',
];
var run12 = TestRun(test)
.addError(1, "Expected a string and instead saw k1.");
run12.test(objBadKey, {multistr: true, es3: true});
run12.test(objBadKey, {multistr: true}); // es5
run12.test(objBadKey, {multistr: true, esnext: true});
run12.test(objBadKey, {multistr: true, moz: true});
var objBadValue = [
'{ "noRegexpInJSON": /$^/ }',
];
var run13 = TestRun(test)
.addError(1, "Expected a JSON value.")
.addError(1, "Expected '}' and instead saw '/$^/'.")
.addError(1, "Unrecoverable syntax error. (100% scanned).");
run13.test(objBadValue, {multistr: true, es3: true});
run13.test(objBadValue, {multistr: true}); // es5
run13.test(objBadValue, {multistr: true, esnext: true});
run13.test(objBadValue, {multistr: true, moz: true});
test.done();
}
// Regression test for gh-2488
exports.json.semicolon = function (test) {
TestRun(test)
.test("{ \"attr\": \";\" }");
TestRun(test)
.test("[\";\"]");
test.done();
};
exports.comma = function (test) {
var src = fs.readFileSync(__dirname + "/fixtures/comma.js", "utf8");
TestRun(test)
.addError(2, "Expected an assignment or function call and instead saw an expression.")
.addError(15, "Expected an assignment or function call and instead saw an expression.")
.addError(15, "Missing semicolon.")
.addError(20, "Expected an assignment or function call and instead saw an expression.")
.addError(30, "Expected an assignment or function call and instead saw an expression.")
.addError(35, "Expected an assignment or function call and instead saw an expression.")