staticoso/App/Source/node_modules/is-expression/test.js

49 lines
1.3 KiB
JavaScript

'use strict';
var assert = require('assert');
var testit = require('testit');
var isExpression = require('./');
function passes(src, options) {
testit(JSON.stringify(src, options), function () {
options = options || {};
assert(isExpression(src, options));
});
}
testit('passes', function () {
passes('myVar');
passes('["an", "array", "\'s"].indexOf("index")');
passes('\npublic');
passes('abc // my comment', {lineComment: true});
passes('() => a');
passes('function (a = "default") {"use strict";}', {ecmaVersion: 6});
});
function error(src, line, col, options) {
testit(JSON.stringify(src), function () {
options = options || {};
assert(!isExpression(src, options));
options.throw = true;
assert.throws(function () {
isExpression(src, options);
}, function (err) {
assert.equal(err.loc.line, line);
assert.equal(err.loc.column, col);
assert(err.message);
return true;
});
});
}
testit('fails', function () {
error('', 1, 0);
error('var', 1, 0);
error('weird error', 1, 6);
error('asdf}', 1, 4);
error('\npublic', 2, 0, {strict: true});
error('abc // my comment', 1, 4);
error('() => a', 1, 1, {ecmaVersion: 5});
error('function (a = "default") {"use strict";}', 1, 26);
});