biofriction-wp-theme/node_modules/clone/test.js

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2021-10-26 14:18:09 +02:00
var clone = require('./');
function inspect(obj) {
seen = [];
return JSON.stringify(obj, function (key, val) {
if (val != null && typeof val == "object") {
if (seen.indexOf(val) >= 0) {
return '[cyclic]';
}
seen.push(val);
}
return val;
});
}
// Creates a new VM in node, or an iframe in a browser in order to run the
// script
function apartContext(context, script, callback) {
var vm = require('vm');
if (vm) {
var ctx = vm.createContext({ ctx: context });
callback(vm.runInContext(script, ctx));
} else if (document && document.createElement) {
var iframe = document.createElement('iframe');
iframe.style.display = 'none';
document.body.appendChild(iframe);
var myCtxId = 'tmpCtx' + Math.random();
window[myCtxId] = context;
iframe.src = 'test-apart-ctx.html?' + myCtxId + '&' + encodeURIComponent(script);
iframe.onload = function() {
try {
callback(iframe.contentWindow.results);
} catch (e) {
throw e;
}
};
} else {
console.log('WARNING: cannot create an apart context.');
}
}
exports["clone string"] = function (test) {
test.expect(2); // how many tests?
var a = "foo";
test.strictEqual(clone(a), a);
a = "";
test.strictEqual(clone(a), a);
test.done();
};
exports["clone number"] = function (test) {
test.expect(5); // how many tests?
var a = 0;
test.strictEqual(clone(a), a);
a = 1;
test.strictEqual(clone(a), a);
a = -1000;
test.strictEqual(clone(a), a);
a = 3.1415927;
test.strictEqual(clone(a), a);
a = -3.1415927;
test.strictEqual(clone(a), a);
test.done();
};
exports["clone date"] = function (test) {
test.expect(3); // how many tests?
var a = new Date;
var c = clone(a);
test.ok(!!a.getUTCDate && !!a.toUTCString);
test.ok(!!c.getUTCDate && !!c.toUTCString);
test.equal(a.getTime(), c.getTime());
test.done();
};
exports["clone object"] = function (test) {
test.expect(1); // how many tests?
var a = { foo: { bar: "baz" } };
var b = clone(a);
test.deepEqual(b, a);
test.done();
};
exports["clone array"] = function (test) {
test.expect(2); // how many tests?
var a = [
{ foo: "bar" },
"baz"
];
var b = clone(a);
test.ok(b instanceof Array);
test.deepEqual(b, a);
test.done();
};
exports["clone buffer"] = function (test) {
if (typeof Buffer == 'undefined') {
return test.done();
}
test.expect(1);
var a = new Buffer("this is a test buffer");
var b = clone(a);
// no underscore equal since it has no concept of Buffers
test.deepEqual(b, a);
test.done();
};
exports["clone regexp"] = function (test) {
test.expect(5);
var a = /abc123/gi;
var b = clone(a);
test.deepEqual(b, a);
var c = /a/g;
test.ok(c.lastIndex === 0);
c.exec('123a456a');
test.ok(c.lastIndex === 4);
var d = clone(c);
test.ok(d.global);
test.ok(d.lastIndex === 4);
test.done();
};
exports["clone object containing array"] = function (test) {
test.expect(1); // how many tests?
var a = {
arr1: [ { a: '1234', b: '2345' } ],
arr2: [ { c: '345', d: '456' } ]
};
var b = clone(a);
test.deepEqual(b, a);
test.done();
};
exports["clone object with circular reference"] = function (test) {
test.expect(8); // how many tests?
var c = [1, "foo", {'hello': 'bar'}, function () {}, false, [2]];
var b = [c, 2, 3, 4];
var a = {'b': b, 'c': c};
a.loop = a;
a.loop2 = a;
c.loop = c;
c.aloop = a;
var aCopy = clone(a);
test.ok(a != aCopy);
test.ok(a.c != aCopy.c);
test.ok(aCopy.c == aCopy.b[0]);
test.ok(aCopy.c.loop.loop.aloop == aCopy);
test.ok(aCopy.c[0] == a.c[0]);
test.ok(eq(a, aCopy));
aCopy.c[0] = 2;
test.ok(!eq(a, aCopy));
aCopy.c = "2";
test.ok(!eq(a, aCopy));
function eq(x, y) {
return inspect(x) === inspect(y);
}
test.done();
};
exports['clone prototype'] = function (test) {
test.expect(3); // how many tests?
var a = {
a: "aaa",
x: 123,
y: 45.65
};
var b = clone.clonePrototype(a);
test.strictEqual(b.a, a.a);
test.strictEqual(b.x, a.x);
test.strictEqual(b.y, a.y);
test.done();
};
exports['clone within an apart context'] = function (test) {
var results = apartContext({ clone: clone },
"results = ctx.clone({ a: [1, 2, 3], d: new Date(), r: /^foo$/ig })",
function (results) {
test.ok(results.a.constructor.toString() === Array.toString());
test.ok(results.d.constructor.toString() === Date.toString());
test.ok(results.r.constructor.toString() === RegExp.toString());
test.done();
});
};
exports['clone object with no constructor'] = function (test) {
test.expect(3);
var n = null;
var a = { foo: 'bar' };
a.__proto__ = n;
test.ok(typeof a === 'object');
test.ok(typeof a !== null);
var b = clone(a);
test.ok(a.foo, b.foo);
test.done();
};
exports['clone object with depth argument'] = function (test) {
test.expect(6);
var a = {
foo: {
bar : {
baz : 'qux'
}
}
};
var b = clone(a, false, 1);
test.deepEqual(b, a);
test.notEqual(b, a);
test.strictEqual(b.foo, a.foo);
b = clone(a, true, 2);
test.deepEqual(b, a);
test.notEqual(b.foo, a.foo);
test.strictEqual(b.foo.bar, a.foo.bar);
test.done();
};
exports['maintain prototype chain in clones'] = function (test) {
test.expect(1);
function T() {}
var a = new T();
var b = clone(a);
test.strictEqual(Object.getPrototypeOf(a), Object.getPrototypeOf(b));
test.done();
};
exports['parent prototype is overriden with prototype provided'] = function (test) {
test.expect(1);
function T() {}
var a = new T();
var b = clone(a, true, Infinity, null);
test.strictEqual(b.__defineSetter__, undefined);
test.done();
};
exports['clone object with null children'] = function (test) {
test.expect(1);
var a = {
foo: {
bar: null,
baz: {
qux: false
}
}
};
var b = clone(a);
test.deepEqual(b, a);
test.done();
};
exports['clone instance with getter'] = function (test) {
test.expect(1);
function Ctor() {};
Object.defineProperty(Ctor.prototype, 'prop', {
configurable: true,
enumerable: true,
get: function() {
return 'value';
}
});
var a = new Ctor();
var b = clone(a);
test.strictEqual(b.prop, 'value');
test.done();
};
exports['get RegExp flags'] = function (test) {
test.strictEqual(clone.__getRegExpFlags(/a/), '' );
test.strictEqual(clone.__getRegExpFlags(/a/i), 'i' );
test.strictEqual(clone.__getRegExpFlags(/a/g), 'g' );
test.strictEqual(clone.__getRegExpFlags(/a/gi), 'gi');
test.strictEqual(clone.__getRegExpFlags(/a/m), 'm' );
test.done();
};
exports["recognize Array object"] = function (test) {
var results = apartContext(null, "results = [1, 2, 3]", function(alien) {
var local = [4, 5, 6];
test.ok(clone.__isArray(alien)); // recognize in other context.
test.ok(clone.__isArray(local)); // recognize in local context.
test.ok(!clone.__isDate(alien));
test.ok(!clone.__isDate(local));
test.ok(!clone.__isRegExp(alien));
test.ok(!clone.__isRegExp(local));
test.done();
});
};
exports["recognize Date object"] = function (test) {
var results = apartContext(null, "results = new Date()", function(alien) {
var local = new Date();
test.ok(clone.__isDate(alien)); // recognize in other context.
test.ok(clone.__isDate(local)); // recognize in local context.
test.ok(!clone.__isArray(alien));
test.ok(!clone.__isArray(local));
test.ok(!clone.__isRegExp(alien));
test.ok(!clone.__isRegExp(local));
test.done();
});
};
exports["recognize RegExp object"] = function (test) {
var results = apartContext(null, "results = /foo/", function(alien) {
var local = /bar/;
test.ok(clone.__isRegExp(alien)); // recognize in other context.
test.ok(clone.__isRegExp(local)); // recognize in local context.
test.ok(!clone.__isArray(alien));
test.ok(!clone.__isArray(local));
test.ok(!clone.__isDate(alien));
test.ok(!clone.__isDate(local));
test.done();
});
};