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Issue 15868003: Revert "Rewrite double.parse." (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 7 years, 7 months ago
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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 4
5 // We temporarily test both the new math library and the old Math 5 // We temporarily test both the new math library and the old Math
6 // class. This can easily be simplified once we get rid of the Math 6 // class. This can easily be simplified once we get rid of the Math
7 // class entirely. 7 // class entirely.
8 library math_parse_double_test; 8 library math_parse_double_test;
9 import "package:expect/expect.dart"; 9 import "package:expect/expect.dart";
10 10
11 void parseDoubleThrowsFormatException(str) { 11 void parseDoubleThrowsFormatException(str) {
12 Expect.throws(() => double.parse(str), (e) => e is FormatException); 12 Expect.throws(() => double.parse(str), (e) => e is FormatException);
13 } 13 }
14 14
15 void runTest(double expected, String input) {
16 Expect.equals(expected, double.parse(input));
17 Expect.equals(expected, double.parse(" $input "));
18 Expect.equals(expected, double.parse(" $input"));
19 Expect.equals(expected, double.parse("$input "));
20 Expect.equals(expected, double.parse("+$input"));
21 Expect.equals(expected, double.parse(" +$input "));
22 Expect.equals(expected, double.parse("+$input "));
23 Expect.equals(expected, double.parse("\xA0 $input\xA0 "));
24 Expect.equals(expected, double.parse(" \xA0$input"));
25 Expect.equals(expected, double.parse("$input \xA0"));
26 Expect.equals(expected, double.parse("\xA0 +$input\xA0 "));
27 Expect.equals(expected, double.parse("+$input\xA0 "));
28 Expect.equals(expected, double.parse("\u205F $input\u205F "));
29 Expect.equals(expected, double.parse(" \u180E$input"));
30 Expect.equals(expected, double.parse("$input \u2006"));
31 Expect.equals(expected, double.parse("\u1680 +$input\u1680 "));
32 Expect.equals(-expected, double.parse("-$input"));
33 Expect.equals(-expected, double.parse(" -$input "));
34 Expect.equals(-expected, double.parse("-$input "));
35 Expect.equals(-expected, double.parse("\xA0 -$input\xA0 "));
36 Expect.equals(-expected, double.parse("-$input\xA0 "));
37 Expect.equals(-expected, double.parse("\u1680 -$input\u1680 "));
38 }
39
40 const TESTS = const [
41 [ 499.0, "499" ],
42 [ 499.0, "499." ],
43 [ 499.0, "499.0" ],
44 [ 0.0, "0" ],
45 [ 0.0, ".0" ],
46 [ 0.0, "0." ],
47 [ 0.1, "0.1" ],
48 [ 0.1, ".1" ],
49 [ 10.0, "010" ],
50 [ 1.5, "1.5" ],
51 [ 1.5, "001.5" ],
52 [ 1.5, "1.500" ],
53 [ 1234567.89, "1234567.89" ],
54 [ 1234567e89, "1234567e89" ],
55 [ 1234567.89e2, "1234567.89e2" ],
56 [ 1234567.89e2, "1234567.89e+2" ],
57 [ 1234567.89e-2, "1234567.89e-2" ],
58 [ 5, "5" ],
59 [ 123456700.0, "1234567.e2" ],
60 [ 123456700.0, "1234567.e+2" ],
61 [ double.INFINITY, "Infinity" ],
62 [ 5e-324, "5e-324" ], // min-pos.
63 // Same, without exponential.
64 [ 0.00000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000000000000000000000 00000000049406564584124654417656879286822137236505980261432476442558568250067550 72702087518652998363616359923797965646954457177309266567103559397963987747960107 81878126300713190311404527845817167848982103688718636056998730723050006387409153 56498438731247339727316961514003171538539807412623856559117102665855668676818703 95603106249319452715914924553293054565444011274801297099995419319894090804165633 24524757147869014726780159355238611550134803526493472019379026810710749170333222 68447533357208324319360923828934583680601060115061698097530783422773183292479049 82524730776375927247874656084778203734469699533647017972677717585125660551199131 50489110145103786273816725095583738973359899366480994116420570263709027924276754 4565229087538682506419718265533447265625,
65 "0.0000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000000000000000000000000000000000000000000000 00000000004940656458412465441765687928682213723650598026143247644255856825006755 07270208751865299836361635992379796564695445717730926656710355939796398774796010 78187812630071319031140452784581716784898210368871863605699873072305000638740915 35649843873124733972731696151400317153853980741262385655911710266585566867681870 39560310624931945271591492455329305456544401127480129709999541931989409080416563 32452475714786901472678015935523861155013480352649347201937902681071074917033322 26844753335720832431936092382893458368060106011506169809753078342277318329247904 98252473077637592724787465608477820373446969953364701797267771758512566055119913 15048911014510378627381672509558373897335989936648099411642057026370902792427675 44565229087538682506419718265533447265625" ],
66 [ 0, "2e-324" ], // underflow 0.0
67 [ 0.9999999999999999, "0.9999999999999999" ], // max below 1
68 [ 1, "1.00000000000000005" ], // 1.0
69 [ 1.0000000000000002, "1.0000000000000002" ], // min above 1
70 [ 2147483647, "2147483647" ], // max int32
71 [ 2147483647.0000002, "2147483647.0000002" ], // min not int32
72 [ 2147483648, "2147483648" ], // min int not int32
73 [ 4295967295, "4295967295" ], // max uint32
74 [ 4295967295.000001, "4295967295.000001" ], // min not uint-32
75 [ 4295967296, "4295967296" ], // min int not-uint32
76 [ 1.7976931348623157e+308, "1.7976931348623157e+308" ], // Max finit
77 [ double.INFINITY, "1.7976931348623158e+308" ], // Infinity
78 [ .049999999999999994, ".049999999999999994" ], // not 0.5
79 [ .5, ".04999999999999999935" ],
80 [ 4503499627370498, "4503599627370497.5" ],
81 [ 1.2345678901234568e+39, "1234567890123456898981341324213421342134" ],
82 [ 9.87291183742987e+24, "9872911837429871193379121" ],
83 [ 1e21, "1e+21" ],
84 ];
85
86
87 void main() { 15 void main() {
88 for (var test in TESTS) { 16 Expect.equals(499.0, double.parse("499"));
89 runTest(test[0], test[1]); 17 Expect.equals(499.0, double.parse("499.0"));
90 } 18 Expect.equals(499.0, double.parse("499.0"));
91 19 Expect.equals(499.0, double.parse("+499"));
20 Expect.equals(-499.0, double.parse("-499"));
21 Expect.equals(499.0, double.parse(" 499 "));
22 Expect.equals(499.0, double.parse(" +499 "));
23 Expect.equals(-499.0, double.parse(" -499 "));
24 Expect.equals(0.0, double.parse("0"));
25 Expect.equals(0.0, double.parse("+0"));
26 Expect.equals(-0.0, double.parse("-0"));
92 Expect.equals(true, double.parse("-0").isNegative); 27 Expect.equals(true, double.parse("-0").isNegative);
28 Expect.equals(0.0, double.parse(" 0 "));
29 Expect.equals(0.0, double.parse(" +0 "));
30 Expect.equals(-0.0, double.parse(" -0 "));
93 Expect.equals(true, double.parse(" -0 ").isNegative); 31 Expect.equals(true, double.parse(" -0 ").isNegative);
94 Expect.equals(true, double.parse("\xA0 -0 \xA0").isNegative); 32 Expect.equals(1.0 * 0x1234567890, double.parse("0x1234567890"));
95 Expect.isTrue(double.parse("NaN").isNaN); 33 Expect.equals(1.0 * -0x1234567890, double.parse("-0x1234567890"));
96 Expect.isTrue(double.parse("-NaN").isNaN); 34 Expect.equals(1.0 * 0x1234567890, double.parse(" 0x1234567890 "));
97 Expect.isTrue(double.parse("+NaN").isNaN); 35 Expect.equals(1.0 * -0x1234567890, double.parse(" -0x1234567890 "));
98 Expect.isTrue(double.parse("NaN ").isNaN); 36 Expect.equals(256.0, double.parse("0x100"));
99 Expect.isTrue(double.parse("-NaN ").isNaN); 37 Expect.equals(-256.0, double.parse("-0x100"));
100 Expect.isTrue(double.parse("+NaN ").isNaN); 38 Expect.equals(256.0, double.parse(" 0x100 "));
101 Expect.isTrue(double.parse(" NaN ").isNaN); 39 Expect.equals(-256.0, double.parse(" -0x100 "));
102 Expect.isTrue(double.parse(" -NaN ").isNaN); 40 Expect.equals(1.0 * 0xabcdef, double.parse("0xabcdef"));
103 Expect.isTrue(double.parse(" +NaN ").isNaN); 41 Expect.equals(1.0 * 0xABCDEF, double.parse("0xABCDEF"));
104 Expect.isTrue(double.parse(" NaN").isNaN); 42 Expect.equals(1.0 * 0xabcdef, double.parse("0xabCDEf"));
105 Expect.isTrue(double.parse(" -NaN").isNaN); 43 Expect.equals(1.0 * -0xabcdef, double.parse("-0xabcdef"));
106 Expect.isTrue(double.parse(" +NaN").isNaN); 44 Expect.equals(1.0 * -0xABCDEF, double.parse("-0xABCDEF"));
107 Expect.isTrue(double.parse("NaN\xA0").isNaN); 45 Expect.equals(1.0 * 0xabcdef, double.parse(" 0xabcdef "));
108 Expect.isTrue(double.parse("-NaN\xA0").isNaN); 46 Expect.equals(1.0 * 0xABCDEF, double.parse(" 0xABCDEF "));
109 Expect.isTrue(double.parse("+NaN\xA0").isNaN); 47 Expect.equals(1.0 * -0xabcdef, double.parse(" -0xabcdef "));
110 Expect.isTrue(double.parse(" \xA0NaN\xA0").isNaN); 48 Expect.equals(1.0 * -0xABCDEF, double.parse(" -0xABCDEF "));
111 Expect.isTrue(double.parse(" \xA0-NaN\xA0").isNaN); 49 Expect.equals(1.0 * 0xabcdef, double.parse("0x00000abcdef"));
112 Expect.isTrue(double.parse(" \xA0+NaN\xA0").isNaN); 50 Expect.equals(1.0 * 0xABCDEF, double.parse("0x00000ABCDEF"));
113 Expect.isTrue(double.parse(" \xA0NaN").isNaN); 51 Expect.equals(1.0 * -0xabcdef, double.parse("-0x00000abcdef"));
114 Expect.isTrue(double.parse(" \xA0-NaN").isNaN); 52 Expect.equals(1.0 * -0xABCDEF, double.parse("-0x00000ABCDEF"));
115 Expect.isTrue(double.parse(" \xA0+NaN").isNaN); 53 Expect.equals(1.0 * 0xabcdef, double.parse(" 0x00000abcdef "));
116 54 Expect.equals(1.0 * 0xABCDEF, double.parse(" 0x00000ABCDEF "));
55 Expect.equals(1.0 * -0xabcdef, double.parse(" -0x00000abcdef "));
56 Expect.equals(1.0 * -0xABCDEF, double.parse(" -0x00000ABCDEF "));
57 Expect.equals(10.0, double.parse("010"));
58 Expect.equals(-10.0, double.parse("-010"));
59 Expect.equals(10.0, double.parse(" 010 "));
60 Expect.equals(-10.0, double.parse(" -010 "));
61 Expect.equals(0.1, double.parse("0.1"));
62 Expect.equals(0.1, double.parse(" 0.1 "));
63 Expect.equals(0.1, double.parse(" +0.1 "));
64 Expect.equals(-0.1, double.parse(" -0.1 "));
65 Expect.equals(0.1, double.parse(".1"));
66 Expect.equals(0.1, double.parse(" .1 "));
67 Expect.equals(0.1, double.parse(" +.1 "));
68 Expect.equals(-0.1, double.parse(" -.1 "));
69 Expect.equals(1.5, double.parse("1.5"));
70 Expect.equals(1234567.89, double.parse("1234567.89"));
71 Expect.equals(1234567.89, double.parse(" 1234567.89 "));
72 Expect.equals(1234567.89, double.parse(" +1234567.89 "));
73 Expect.equals(-1234567.89, double.parse(" -1234567.89 "));
74 Expect.equals(1234567e89, double.parse("1234567e89"));
75 Expect.equals(1234567e89, double.parse(" 1234567e89 "));
76 Expect.equals(1234567e89, double.parse(" +1234567e89 "));
77 Expect.equals(-1234567e89, double.parse(" -1234567e89 "));
78 Expect.equals(1234567.89e2, double.parse("1234567.89e2"));
79 Expect.equals(1234567.89e2, double.parse(" 1234567.89e2 "));
80 Expect.equals(1234567.89e2, double.parse(" +1234567.89e2 "));
81 Expect.equals(-1234567.89e2, double.parse(" -1234567.89e2 "));
82 Expect.equals(1234567.89e2, double.parse("1234567.89E2"));
83 Expect.equals(1234567.89e2, double.parse(" 1234567.89E2 "));
84 Expect.equals(1234567.89e2, double.parse(" +1234567.89E2 "));
85 Expect.equals(-1234567.89e2, double.parse(" -1234567.89E2 "));
86 Expect.equals(1234567.89e-2, double.parse("1234567.89e-2"));
87 Expect.equals(1234567.89e-2, double.parse(" 1234567.89e-2 "));
88 Expect.equals(1234567.89e-2, double.parse(" +1234567.89e-2 "));
89 Expect.equals(-1234567.89e-2, double.parse(" -1234567.89e-2 "));
90 // TODO(floitsch): add tests for NaN and Infinity.
117 parseDoubleThrowsFormatException("1b"); 91 parseDoubleThrowsFormatException("1b");
118 parseDoubleThrowsFormatException(" 1b "); 92 parseDoubleThrowsFormatException(" 1b ");
119 parseDoubleThrowsFormatException(" 1 b "); 93 parseDoubleThrowsFormatException(" 1 b ");
120 parseDoubleThrowsFormatException(" e3 "); 94 parseDoubleThrowsFormatException(" e3 ");
121 parseDoubleThrowsFormatException(" .e3 "); 95 parseDoubleThrowsFormatException(" .e3 ");
122 parseDoubleThrowsFormatException("00x12"); 96 parseDoubleThrowsFormatException("00x12");
123 parseDoubleThrowsFormatException(" 00x12 "); 97 parseDoubleThrowsFormatException(" 00x12 ");
124 parseDoubleThrowsFormatException("-1b"); 98 parseDoubleThrowsFormatException("-1b");
125 parseDoubleThrowsFormatException(" -1b "); 99 parseDoubleThrowsFormatException(" -1b ");
126 parseDoubleThrowsFormatException(" -1 b "); 100 parseDoubleThrowsFormatException(" -1 b ");
127 parseDoubleThrowsFormatException("-00x12"); 101 parseDoubleThrowsFormatException("-00x12");
128 parseDoubleThrowsFormatException(" -00x12 "); 102 parseDoubleThrowsFormatException(" -00x12 ");
129 parseDoubleThrowsFormatException(" -00x12 "); 103 parseDoubleThrowsFormatException(" -00x12 ");
130 parseDoubleThrowsFormatException("0x0x12"); 104 parseDoubleThrowsFormatException("0x0x12");
131 parseDoubleThrowsFormatException("+ 1.5"); 105 parseDoubleThrowsFormatException("+ 1.5");
132 parseDoubleThrowsFormatException("- 1.5"); 106 parseDoubleThrowsFormatException("- 1.5");
133 parseDoubleThrowsFormatException(""); 107 parseDoubleThrowsFormatException("");
134 parseDoubleThrowsFormatException(" "); 108 parseDoubleThrowsFormatException(" ");
109 parseDoubleThrowsFormatException("5.");
110 parseDoubleThrowsFormatException(" 5. ");
111 parseDoubleThrowsFormatException(" +5. ");
112 parseDoubleThrowsFormatException(" -5. ");
113 parseDoubleThrowsFormatException("1234567.e2");
114 parseDoubleThrowsFormatException(" 1234567.e2 ");
115 parseDoubleThrowsFormatException(" +1234567.e2 ");
116 parseDoubleThrowsFormatException(" -1234567.e2 ");
135 parseDoubleThrowsFormatException("+0x1234567890"); 117 parseDoubleThrowsFormatException("+0x1234567890");
136 parseDoubleThrowsFormatException(" +0x1234567890 "); 118 parseDoubleThrowsFormatException(" +0x1234567890 ");
137 parseDoubleThrowsFormatException(" +0x100 "); 119 parseDoubleThrowsFormatException(" +0x100 ");
138 parseDoubleThrowsFormatException("+0x100"); 120 parseDoubleThrowsFormatException("+0x100");
139 parseDoubleThrowsFormatException("0x1234567890");
140 parseDoubleThrowsFormatException("-0x1234567890");
141 parseDoubleThrowsFormatException(" 0x1234567890 ");
142 parseDoubleThrowsFormatException(" -0x1234567890 ");
143 parseDoubleThrowsFormatException("0x100");
144 parseDoubleThrowsFormatException("-0x100");
145 parseDoubleThrowsFormatException(" 0x100 ");
146 parseDoubleThrowsFormatException(" -0x100 ");
147 parseDoubleThrowsFormatException("0xabcdef");
148 parseDoubleThrowsFormatException("0xABCDEF");
149 parseDoubleThrowsFormatException("0xabCDEf");
150 parseDoubleThrowsFormatException("-0xabcdef");
151 parseDoubleThrowsFormatException("-0xABCDEF");
152 parseDoubleThrowsFormatException(" 0xabcdef ");
153 parseDoubleThrowsFormatException(" 0xABCDEF ");
154 parseDoubleThrowsFormatException(" -0xabcdef ");
155 parseDoubleThrowsFormatException(" -0xABCDEF ");
156 parseDoubleThrowsFormatException("0x00000abcdef");
157 parseDoubleThrowsFormatException("0x00000ABCDEF");
158 parseDoubleThrowsFormatException("-0x00000abcdef");
159 parseDoubleThrowsFormatException("-0x00000ABCDEF");
160 parseDoubleThrowsFormatException(" 0x00000abcdef ");
161 parseDoubleThrowsFormatException(" 0x00000ABCDEF ");
162 parseDoubleThrowsFormatException(" -0x00000abcdef ");
163 parseDoubleThrowsFormatException(" -0x00000ABCDEF ");
164 parseDoubleThrowsFormatException(" -INFINITY ");
165 parseDoubleThrowsFormatException(" NAN ");
166 parseDoubleThrowsFormatException(" inf ");
167 parseDoubleThrowsFormatException(" nan ");
168 } 121 }
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