LibTest/core/int/toStringAsPrecision_A01_t02.dart

/*
 * 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 String toStringAsPrecision(int precision)
 * Converts this to a double and returns a string representation with exactly
 * precision significant digits.
 * The parameter precision must be an integer satisfying: 1 <= precision <= 21.
 * @description Tries to pass an argument that is out of allowed range, expects
 * an exception.
 * @author msyabro
 */
import "../../../Utils/expect.dart";

main() {
  check(0, -1);
  check(1, 22);
  check(2, 0);
  check(3, -0x800000000000000);
  check(4, 0x8000000000000000);
}

void check(int x, int digits) {
  Expect.throws(() {x.toStringAsPrecision(digits);});
}