OLD | NEW |
(Empty) | |
| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 // Test basic integer operations. |
| 5 |
| 6 main() { |
| 7 Expect.equals("NaN", (double.NAN).toStringAsPrecision(1)); |
| 8 Expect.equals("Infinity", (double.INFINITY).toStringAsPrecision(2)); |
| 9 Expect.equals("-Infinity", (-double.INFINITY).toStringAsPrecision(2)); |
| 10 Expect.equals("0.000555000000000000", (0.000555).toStringAsPrecision(15)); |
| 11 Expect.equals("5.55000000000000e-7", (0.000000555).toStringAsPrecision(15)); |
| 12 Expect.equals("-5.55000000000000e-7", (-0.000000555).toStringAsPrecision(15)); |
| 13 Expect.equals("1e+8", (123456789.0).toStringAsPrecision(1)); |
| 14 Expect.equals("123456789", (123456789.0).toStringAsPrecision(9)); |
| 15 Expect.equals("1.2345679e+8", (123456789.0).toStringAsPrecision(8)); |
| 16 Expect.equals("1.234568e+8", (123456789.0).toStringAsPrecision(7)); |
| 17 Expect.equals("-1.234568e+8", (-123456789.0).toStringAsPrecision(7)); |
| 18 Expect.equals("-1.2e-9", (-.0000000012345).toStringAsPrecision(2)); |
| 19 Expect.equals("-1.2e-8", (-.000000012345).toStringAsPrecision(2)); |
| 20 Expect.equals("-1.2e-7", (-.00000012345).toStringAsPrecision(2)); |
| 21 Expect.equals("-0.0000012", (-.0000012345).toStringAsPrecision(2)); |
| 22 Expect.equals("-0.000012", (-.000012345).toStringAsPrecision(2)); |
| 23 Expect.equals("-0.00012", (-.00012345).toStringAsPrecision(2)); |
| 24 Expect.equals("-0.0012", (-.0012345).toStringAsPrecision(2)); |
| 25 Expect.equals("-0.012", (-.012345).toStringAsPrecision(2)); |
| 26 Expect.equals("-0.12", (-.12345).toStringAsPrecision(2)); |
| 27 Expect.equals("-1.2", (-1.2345).toStringAsPrecision(2)); |
| 28 Expect.equals("-12", (-12.345).toStringAsPrecision(2)); |
| 29 Expect.equals("-1.2e+2", (-123.45).toStringAsPrecision(2)); |
| 30 Expect.equals("-1.2e+3", (-1234.5).toStringAsPrecision(2)); |
| 31 Expect.equals("-1.2e+4", (-12345.0).toStringAsPrecision(2)); |
| 32 Expect.equals("-1.235e+4", (-12345.67).toStringAsPrecision(4)); |
| 33 Expect.equals("-1.234e+4", (-12344.67).toStringAsPrecision(4)); |
| 34 Expect.equals("-0.0", (-0.0).toStringAsPrecision(2)); |
| 35 Expect.equals("-0", (-0.0).toStringAsPrecision(1)); |
| 36 // Test that we round up even when the last digit generated is even. |
| 37 // dtoa does not do this in its original form. |
| 38 Expect.equals("1.3", 1.25.toStringAsPrecision(2)); |
| 39 Expect.equals("1.4", 1.35.toStringAsPrecision(2)); |
| 40 } |
OLD | NEW |