ConstructionCost/test/demo/stringTest.js

/**
 * Created by Tony on 2017/4/7.
 */

var test = require('tape');

test('some string test cases', function (t) {
    var reg = /^\s*$/;
    var foo = "   ";
    t.equal(reg.test(foo), true);
    foo = null;
    t.equal(reg.test(foo), true);
    foo = undefined;
    t.equal(reg.test(foo), true);
    foo = "";
    t.equal(reg.test(foo), true);
    foo = 0;
    t.equal(reg.test(foo), true);
    t.end();
});

test('check if string type', function(t){
    var foo = "";
    t.equal(typeof foo, 'string');
    foo = " ";
    t.equal(typeof foo, 'string');
    foo = 0;
    t.equal(typeof foo, 'number');
    foo = true;
    t.equal(typeof foo, 'boolean');
    foo = {};
    t.equal(typeof foo, 'object');
    foo = function(){};
    t.equal(typeof foo, 'function');
    foo = [];
    t.equal(Array.isArray(foo), true);
    t.end();
})