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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 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 | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 // Test basic integer operations. | 4 // Test basic integer operations. |
5 | 5 |
6 import "package:expect/expect.dart"; | |
7 | |
8 main() { | 6 main() { |
9 Expect.equals("NaN", (double.NAN).toStringAsPrecision(1)); | 7 Expect.equals("NaN", (double.NAN).toStringAsPrecision(1)); |
10 Expect.equals("Infinity", (double.INFINITY).toStringAsPrecision(2)); | 8 Expect.equals("Infinity", (double.INFINITY).toStringAsPrecision(2)); |
11 Expect.equals("-Infinity", (-double.INFINITY).toStringAsPrecision(2)); | 9 Expect.equals("-Infinity", (-double.INFINITY).toStringAsPrecision(2)); |
12 Expect.equals("0.000555000000000000", (0.000555).toStringAsPrecision(15)); | 10 Expect.equals("0.000555000000000000", (0.000555).toStringAsPrecision(15)); |
13 Expect.equals("5.55000000000000e-7", (0.000000555).toStringAsPrecision(15)); | 11 Expect.equals("5.55000000000000e-7", (0.000000555).toStringAsPrecision(15)); |
14 Expect.equals("-5.55000000000000e-7", (-0.000000555).toStringAsPrecision(15)); | 12 Expect.equals("-5.55000000000000e-7", (-0.000000555).toStringAsPrecision(15)); |
15 Expect.equals("1e+8", (123456789.0).toStringAsPrecision(1)); | 13 Expect.equals("1e+8", (123456789.0).toStringAsPrecision(1)); |
16 Expect.equals("123456789", (123456789.0).toStringAsPrecision(9)); | 14 Expect.equals("123456789", (123456789.0).toStringAsPrecision(9)); |
17 Expect.equals("1.2345679e+8", (123456789.0).toStringAsPrecision(8)); | 15 Expect.equals("1.2345679e+8", (123456789.0).toStringAsPrecision(8)); |
(...skipping 15 matching lines...) Expand all Loading... |
33 Expect.equals("-1.2e+4", (-12345.0).toStringAsPrecision(2)); | 31 Expect.equals("-1.2e+4", (-12345.0).toStringAsPrecision(2)); |
34 Expect.equals("-1.235e+4", (-12345.67).toStringAsPrecision(4)); | 32 Expect.equals("-1.235e+4", (-12345.67).toStringAsPrecision(4)); |
35 Expect.equals("-1.234e+4", (-12344.67).toStringAsPrecision(4)); | 33 Expect.equals("-1.234e+4", (-12344.67).toStringAsPrecision(4)); |
36 Expect.equals("-0.0", (-0.0).toStringAsPrecision(2)); | 34 Expect.equals("-0.0", (-0.0).toStringAsPrecision(2)); |
37 Expect.equals("-0", (-0.0).toStringAsPrecision(1)); | 35 Expect.equals("-0", (-0.0).toStringAsPrecision(1)); |
38 // Test that we round up even when the last digit generated is even. | 36 // Test that we round up even when the last digit generated is even. |
39 // dtoa does not do this in its original form. | 37 // dtoa does not do this in its original form. |
40 Expect.equals("1.3", 1.25.toStringAsPrecision(2)); | 38 Expect.equals("1.3", 1.25.toStringAsPrecision(2)); |
41 Expect.equals("1.4", 1.35.toStringAsPrecision(2)); | 39 Expect.equals("1.4", 1.35.toStringAsPrecision(2)); |
42 } | 40 } |
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