blob: 6c5de32871e08dc25d84f38440ab37f27148f403 [file] [log] [blame]
// Copyright (c) 2011, 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 double atan2(num a, num b)
/// A variant of atan.
/// Converts both arguments to doubles.
/// @description Checks that an Error is thrown when argument is a null (not a
/// number).
/// @author msyabro
import "dart:math" as Math;
import "../../Utils/expect.dart";
void checkNPE(var arg1, var arg2) {
Expect.throws(() {
Math.atan2(arg1, arg2);
main() {
checkNPE(null, 1);
checkNPE(1, null);
checkNPE(null, null);
checkNPE(double.nan, null);