@testim/testim-cli
Version:
Command line interface for running Testing on you CI
88 lines (86 loc) • 3.02 kB
JavaScript
/**
* Determines whether two sequences are equal by comparing the elements pairwise using a specified equality comparer.
*
* @example
* var res = res = source.sequenceEqual([1,2,3]);
* var res = res = source.sequenceEqual([{ value: 42 }], function (x, y) { return x.value === y.value; });
* 3 - res = source.sequenceEqual(Rx.Observable.returnValue(42));
* 4 - res = source.sequenceEqual(Rx.Observable.returnValue({ value: 42 }), function (x, y) { return x.value === y.value; });
* @param {Observable} second Second observable sequence or array to compare.
* @param {Function} [comparer] Comparer used to compare elements of both sequences.
* @returns {Observable} An observable sequence that contains a single element which indicates whether both sequences are of equal length and their corresponding elements are equal according to the specified equality comparer.
*/
observableProto.sequenceEqual = function (second, comparer) {
var first = this;
comparer || (comparer = defaultComparer);
return new AnonymousObservable(function (o) {
var donel = false, doner = false, ql = [], qr = [];
var subscription1 = first.subscribe(function (x) {
var equal, v;
if (qr.length > 0) {
v = qr.shift();
try {
equal = comparer(v, x);
} catch (e) {
o.onError(e);
return;
}
if (!equal) {
o.onNext(false);
o.onCompleted();
}
} else if (doner) {
o.onNext(false);
o.onCompleted();
} else {
ql.push(x);
}
}, function(e) { o.onError(e); }, function () {
donel = true;
if (ql.length === 0) {
if (qr.length > 0) {
o.onNext(false);
o.onCompleted();
} else if (doner) {
o.onNext(true);
o.onCompleted();
}
}
});
(isArrayLike(second) || isIterable(second)) && (second = observableFrom(second));
isPromise(second) && (second = observableFromPromise(second));
var subscription2 = second.subscribe(function (x) {
var equal;
if (ql.length > 0) {
var v = ql.shift();
try {
equal = comparer(v, x);
} catch (exception) {
o.onError(exception);
return;
}
if (!equal) {
o.onNext(false);
o.onCompleted();
}
} else if (donel) {
o.onNext(false);
o.onCompleted();
} else {
qr.push(x);
}
}, function(e) { o.onError(e); }, function () {
doner = true;
if (qr.length === 0) {
if (ql.length > 0) {
o.onNext(false);
o.onCompleted();
} else if (donel) {
o.onNext(true);
o.onCompleted();
}
}
});
return new CompositeDisposable(subscription1, subscription2);
}, first);
};