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Side by Side Diff: tests/language/src/DoubleToStringAsFixedTest.dart

Issue 10248007: test rename overhaul: step 8 - language tests (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 8 months ago
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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 class ToStringAsFixedTest {
7 static void testMain() {
8 Expect.equals("2.000", 2.0.toStringAsFixed(3));
9 Expect.equals("2.100", 2.1.toStringAsFixed(3));
10 Expect.equals("2.120", 2.12.toStringAsFixed(3));
11 Expect.equals("2.123", 2.123.toStringAsFixed(3));
12 Expect.equals("2.124", 2.1239.toStringAsFixed(3));
13 Expect.equals("NaN", (0.0 / 0.0).toStringAsFixed(3));
14 Expect.equals("Infinity", (1.0/0.0).toStringAsFixed(3));
15 Expect.equals("-Infinity", (-1.0/0.0).toStringAsFixed(3));
16 Expect.equals("1.1111111111111111e+21", 1111111111111111111111.0.toStringAsF ixed(8));
17 Expect.equals("0.1", 0.1.toStringAsFixed(1));
18 Expect.equals("0.10", 0.1.toStringAsFixed(2));
19 Expect.equals("0.100", 0.1.toStringAsFixed(3));
20 Expect.equals("0.01", 0.01.toStringAsFixed(2));
21 Expect.equals("0.010", 0.01.toStringAsFixed(3));
22 Expect.equals("0.0100", 0.01.toStringAsFixed(4));
23 Expect.equals("0.00", 0.001.toStringAsFixed(2));
24 Expect.equals("0.001", 0.001.toStringAsFixed(3));
25 Expect.equals("0.0010", 0.001.toStringAsFixed(4));
26 Expect.equals("1.0000", 1.0.toStringAsFixed(4));
27 Expect.equals("1.0", 1.0.toStringAsFixed(1));
28 Expect.equals("1", 1.0.toStringAsFixed(0));
29 Expect.equals("12", 12.0.toStringAsFixed(0));
30 Expect.equals("1", 1.1.toStringAsFixed(0));
31 Expect.equals("12", 12.1.toStringAsFixed(0));
32 Expect.equals("1", 1.12.toStringAsFixed(0));
33 Expect.equals("12", 12.12.toStringAsFixed(0));
34 Expect.equals("0.0000006", 0.0000006.toStringAsFixed(7));
35 Expect.equals("0.00000006", 0.00000006.toStringAsFixed(8));
36 Expect.equals("0.000000060", 0.00000006.toStringAsFixed(9));
37 Expect.equals("0.0000000600", 0.00000006.toStringAsFixed(10));
38 Expect.equals("0", 0.0.toStringAsFixed(0));
39 Expect.equals("0.0", 0.0.toStringAsFixed(1));
40 Expect.equals("0.00", 0.0.toStringAsFixed(2));
41
42 Expect.equals("-0.1", (-0.1).toStringAsFixed(1));
43 Expect.equals("-0.10", (-0.1).toStringAsFixed(2));
44 Expect.equals("-0.100", (-0.1).toStringAsFixed(3));
45 Expect.equals("-0.01", (-0.01).toStringAsFixed(2));
46 Expect.equals("-0.010", (-0.01).toStringAsFixed(3));
47 Expect.equals("-0.0100", (-0.01).toStringAsFixed(4));
48 Expect.equals("-0.00", (-0.001).toStringAsFixed(2));
49 Expect.equals("-0.001", (-0.001).toStringAsFixed(3));
50 Expect.equals("-0.0010", (-0.001).toStringAsFixed(4));
51 Expect.equals("-1.0000", (-1.0).toStringAsFixed(4));
52 Expect.equals("-1.0", (-1.0).toStringAsFixed(1));
53 Expect.equals("-1", (-1.0).toStringAsFixed(0));
54 Expect.equals("-1", (-1.1).toStringAsFixed(0));
55 Expect.equals("-12", (-12.1).toStringAsFixed(0));
56 Expect.equals("-1", (-1.12).toStringAsFixed(0));
57 Expect.equals("-12", (-12.12).toStringAsFixed(0));
58 Expect.equals("-0.0000006", (-0.0000006).toStringAsFixed(7));
59 Expect.equals("-0.00000006", (-0.00000006).toStringAsFixed(8));
60 Expect.equals("-0.000000060", (-0.00000006).toStringAsFixed(9));
61 Expect.equals("-0.0000000600", (-0.00000006).toStringAsFixed(10));
62 Expect.equals("-0", (-0.0).toStringAsFixed(0));
63 Expect.equals("-0.0", (-0.0).toStringAsFixed(1));
64 Expect.equals("-0.00", (-0.0).toStringAsFixed(2));
65
66 Expect.equals("1000", 1000.0.toStringAsFixed(0));
67 Expect.equals("0", 0.00001.toStringAsFixed(0));
68 Expect.equals("0.00001", 0.00001.toStringAsFixed(5));
69 Expect.equals("0.00000000000000000010", 0.0000000000000000001.toStringAsFixe d(20));
70 Expect.equals("0.00001000000000000", 0.00001.toStringAsFixed(17));
71 Expect.equals("1.00000000000000000", 1.0.toStringAsFixed(17));
72 Expect.equals("1000000000000000128", 1000000000000000128.0.toStringAsFixed(0 ));
73 Expect.equals("100000000000000128.0", 100000000000000128.0.toStringAsFixed(1 ));
74 Expect.equals("10000000000000128.00", 10000000000000128.0.toStringAsFixed(2) );
75 Expect.equals("10000000000000128.00000000000000000000", 10000000000000128.0. toStringAsFixed(20));
76 Expect.equals("0", 0.0.toStringAsFixed(0));
77 Expect.equals("-42.000", (-42.0).toStringAsFixed(3));
78 Expect.equals("-1000000000000000128", (-1000000000000000128.0).toStringAsFix ed(0));
79 Expect.equals("-0.00000000000000000010", (-0.0000000000000000001).toStringAs Fixed(20));
80 Expect.equals("0.12312312312312299889", 0.123123123123123.toStringAsFixed(20 ));
81 // Test that we round up even when the last digit generated is even.
82 // dtoa does not do this in its original form.
83 Expect.equals("1", 0.5.toStringAsFixed(0));
84 Expect.equals("-1", (-0.5).toStringAsFixed(0));
85 Expect.equals("1.3", 1.25.toStringAsFixed(1));
86 Expect.equals("234.2040", 234.20405.toStringAsFixed(4));
87 Expect.equals("234.2041", 234.2040506.toStringAsFixed(4));
88 {
89 bool thrown = false;
90 try {
91 0.0.toStringAsFixed(-1);
92 } catch (final e) {
93 thrown = true;
94 }
95 Expect.equals(true, thrown);
96 }
97 {
98 bool thrown = false;
99 try {
100 0.0.toStringAsFixed(22);
101 } catch (final e) {
102 thrown = true;
103 }
104 Expect.equals(true, thrown);
105 }
106 }
107 }
108
109
110 main() {
111 ToStringAsFixedTest.testMain();
112 }
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