Vim/test/error.test.ts

"use strict";

// The module 'assert' provides assertion methods from node
import * as assert from 'assert';
import {VimError, ErrorCode} from '../src/error';

suite("ErrorCode", () => {
    test("contains known errors", () => {
        assert.equal(ErrorCode.E32, 32);
        assert.equal(ErrorCode.E37, 37);
        assert.equal(ErrorCode.E488, 488);
    });
});

suite("vimError", () => {
    test("ctor", () => {
        const e = new VimError(100, "whoof!");
        assert.equal(e.code, 100);
        assert.equal(e.message, "whoof!");
    });

    test("can instantiate known errors", () => {
        var e = VimError.fromCode(ErrorCode.E32);
        assert.equal(e.code, 32);
        assert.equal(e.message, "No file name");

        e = VimError.fromCode(ErrorCode.E37);
        assert.equal(e.code, 37);
        assert.equal(e.message, "No write since last change (add ! to override)");

        e = VimError.fromCode(ErrorCode.E488);
        assert.equal(e.code, 488);
        assert.equal(e.message, "Trailing characters");
    });
});