Acme.BookStore.HttpApi.Host/node_modules/function-bind/test/index.js

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// jscs:disable requireUseStrict

var test = require('tape');

var functionBind = require('../implementation');
var getCurrentContext = function () { return this; };

test('functionBind is a function', function (t) {
    t.equal(typeof functionBind, 'function');
    t.end();
});

test('non-functions', function (t) {
    var nonFunctions = [true, false, [], {}, 42, 'foo', NaN, /a/g];
    t.plan(nonFunctions.length);
    for (var i = 0; i < nonFunctions.length; ++i) {
        try { functionBind.call(nonFunctions[i]); } catch (ex) {
            t.ok(ex instanceof TypeError, 'throws when given ' + String(nonFunctions[i]));
        }
    }
    t.end();
});

test('without a context', function (t) {
    t.test('binds properly', function (st) {
        var args, context;
        var namespace = {
            func: functionBind.call(function () {
                args = Array.prototype.slice.call(arguments);
                context = this;
            })
        };
        namespace.func(1, 2, 3);
        st.deepEqual(args, [1, 2, 3]);
        st.equal(context, getCurrentContext.call());
        st.end();
    });

    t.test('binds properly, and still supplies bound arguments', function (st) {
        var args, context;
        var namespace = {
            func: functionBind.call(function () {
                args = Array.prototype.slice.call(arguments);
                context = this;
            }, undefined, 1, 2, 3)
        };
        namespace.func(4, 5, 6);
        st.deepEqual(args, [1, 2, 3, 4, 5, 6]);
        st.equal(context, getCurrentContext.call());
        st.end();
    });

    t.test('returns properly', function (st) {
        var args;
        var namespace = {
            func: functionBind.call(function () {
                args = Array.prototype.slice.call(arguments);
                return this;
            }, null)
        };