blob: 63a9b5b4b6adc1fe24a48411eb0b2823df196856 [file] [log] [blame]
/*
* Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
* for details. All rights reserved. Use of this source code is governed by a
* BSD-style license that can be found in the LICENSE file.
*/
/**
* @assertion E singleWhere(bool test(E element))
* If no or more than one element match then a [StateError] is thrown.
* @description Checks that a [StateError] is thrown if no element
* matches [test].
* @author msyabro
*/
import "dart:typed_data";
import "../../../Utils/expect.dart";
pack(v) => new Float32x4.splat(v);
main() {
var l = new Float32x4List.fromList([]);
try {
l.singleWhere( (e) => true);
Expect.fail("StateError is expected");
} on StateError catch(ok) {}
l = new Float32x4List.fromList([pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0)]);
try {
l.singleWhere( (e) => e == 0);
Expect.fail("StateError is expected");
} on StateError catch(ok) {}
l = new Float32x4List.fromList([pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0)]);
try {
l.singleWhere( (e) => false);
Expect.fail("StateError is expected");
} on StateError catch(ok) {}
}