Overleaf/services/web/public/js/ace/mode/coffee/parser_test.js

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if (typeof process !== "undefined") {
    require("amd-loader");
}

define(function(require, exports, module) {
"use strict";

var assert = require("../../test/assertions");
var coffee = require("../coffee/coffee-script");

function assertLocation(e, sl, sc, el, ec) {
    assert.equal(e.location.first_line, sl);
    assert.equal(e.location.first_column, sc);
    assert.equal(e.location.last_line, el);
    assert.equal(e.location.last_column, ec);
}

function parse(str) {
    try {
        coffee.parse(str).compile();
    } catch (e) {
        return e;
    }
}

module.exports = {
    "test parse valid coffee script": function() {
        coffee.parse("square = (x) -> x * x");
    },
    
    "test parse invalid coffee script": function() {
        var e = parse("a = 12 f");
        assert.equal(e.message, "Unexpected 'IDENTIFIER'");
        assertLocation(e, 0, 4, 0, 5);
    },
    
    "test parse missing bracket": function() {
        var e = parse("a = 12 f {\n\n");
        assert.equal(e.message, "missing }");
        assertLocation(e, 0, 10, 0, 10);
    },
    "test unexpected indent": function() {
        var e = parse("a\n  a\n");
        assert.equal(e.message, "Unexpected 'INDENT'");
        assertLocation(e, 1, 0, 1, 1);
    },
    "test invalid destructuring": function() {
        var e = parse("\n{b: 5} = {}");
        assert.equal(e.message, '"5" cannot be assigned');
        assertLocation(e, 1, 4, 1, 4);
    }
};

});

if (typeof module !== "undefined" && module === require.main) {
    require("asyncjs").test.testcase(module.exports).exec();
}