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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 library math_test; | 5 library math_test; |
| 6 import 'dart:math'; | 6 import 'dart:math'; |
| 7 | 7 |
| 8 class MathTest { | 8 class MathTest { |
| 9 static void testConstants() { | 9 static void testConstants() { |
| 10 // Source for mathematical constants is Wolfram Alpha. | 10 // Source for mathematical constants is Wolfram Alpha. |
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| 146 } | 146 } |
| 147 | 147 |
| 148 static void testPow() { | 148 static void testPow() { |
| 149 checkVeryClose(16.0, pow(4.0, 2.0)); | 149 checkVeryClose(16.0, pow(4.0, 2.0)); |
| 150 checkVeryClose(SQRT2, pow(2.0, 0.5)); | 150 checkVeryClose(SQRT2, pow(2.0, 0.5)); |
| 151 checkVeryClose(SQRT1_2, pow(0.5, 0.5)); | 151 checkVeryClose(SQRT1_2, pow(0.5, 0.5)); |
| 152 } | 152 } |
| 153 | 153 |
| 154 static bool parseIntThrowsFormatException(str) { | 154 static bool parseIntThrowsFormatException(str) { |
| 155 try { | 155 try { |
| 156 parseInt(str); | 156 int.parse(str); |
| 157 return false; | 157 return false; |
| 158 } on FormatException catch (e) { | 158 } on FormatException catch (e) { |
| 159 return true; | 159 return true; |
| 160 } | 160 } |
| 161 } | 161 } |
| 162 | 162 |
| 163 static void testParseInt() { | 163 static void testParseInt() { |
| 164 Expect.equals(499, parseInt("499")); | 164 Expect.equals(499, int.parse("499")); |
| 165 Expect.equals(499, parseInt("+499")); | 165 Expect.equals(499, int.parse("+499")); |
| 166 Expect.equals(-499, parseInt("-499")); | 166 Expect.equals(-499, int.parse("-499")); |
| 167 Expect.equals(499, parseInt(" 499 ")); | 167 Expect.equals(499, int.parse(" 499 ")); |
| 168 Expect.equals(499, parseInt(" +499 ")); | 168 Expect.equals(499, int.parse(" +499 ")); |
| 169 Expect.equals(-499, parseInt(" -499 ")); | 169 Expect.equals(-499, int.parse(" -499 ")); |
| 170 Expect.equals(0, parseInt("0")); | 170 Expect.equals(0, int.parse("0")); |
| 171 Expect.equals(0, parseInt("+0")); | 171 Expect.equals(0, int.parse("+0")); |
| 172 Expect.equals(0, parseInt("-0")); | 172 Expect.equals(0, int.parse("-0")); |
| 173 Expect.equals(0, parseInt(" 0 ")); | 173 Expect.equals(0, int.parse(" 0 ")); |
| 174 Expect.equals(0, parseInt(" +0 ")); | 174 Expect.equals(0, int.parse(" +0 ")); |
| 175 Expect.equals(0, parseInt(" -0 ")); | 175 Expect.equals(0, int.parse(" -0 ")); |
| 176 Expect.equals(0x1234567890, parseInt("0x1234567890")); | 176 Expect.equals(0x1234567890, int.parse("0x1234567890")); |
| 177 Expect.equals(-0x1234567890, parseInt("-0x1234567890")); | 177 Expect.equals(-0x1234567890, int.parse("-0x1234567890")); |
| 178 Expect.equals(0x1234567890, parseInt(" 0x1234567890 ")); | 178 Expect.equals(0x1234567890, int.parse(" 0x1234567890 ")); |
| 179 Expect.equals(-0x1234567890, parseInt(" -0x1234567890 ")); | 179 Expect.equals(-0x1234567890, int.parse(" -0x1234567890 ")); |
| 180 Expect.equals(256, parseInt("0x100")); | 180 Expect.equals(256, int.parse("0x100")); |
| 181 Expect.equals(-256, parseInt("-0x100")); | 181 Expect.equals(-256, int.parse("-0x100")); |
| 182 Expect.equals(256, parseInt(" 0x100 ")); | 182 Expect.equals(256, int.parse(" 0x100 ")); |
| 183 Expect.equals(-256, parseInt(" -0x100 ")); | 183 Expect.equals(-256, int.parse(" -0x100 ")); |
| 184 Expect.equals(0xabcdef, parseInt("0xabcdef")); | 184 Expect.equals(0xabcdef, int.parse("0xabcdef")); |
| 185 Expect.equals(0xABCDEF, parseInt("0xABCDEF")); | 185 Expect.equals(0xABCDEF, int.parse("0xABCDEF")); |
| 186 Expect.equals(0xabcdef, parseInt("0xabCDEf")); | 186 Expect.equals(0xabcdef, int.parse("0xabCDEf")); |
| 187 Expect.equals(-0xabcdef, parseInt("-0xabcdef")); | 187 Expect.equals(-0xabcdef, int.parse("-0xabcdef")); |
| 188 Expect.equals(-0xABCDEF, parseInt("-0xABCDEF")); | 188 Expect.equals(-0xABCDEF, int.parse("-0xABCDEF")); |
| 189 Expect.equals(0xabcdef, parseInt(" 0xabcdef ")); | 189 Expect.equals(0xabcdef, int.parse(" 0xabcdef ")); |
| 190 Expect.equals(0xABCDEF, parseInt(" 0xABCDEF ")); | 190 Expect.equals(0xABCDEF, int.parse(" 0xABCDEF ")); |
| 191 Expect.equals(-0xabcdef, parseInt(" -0xabcdef ")); | 191 Expect.equals(-0xabcdef, int.parse(" -0xabcdef ")); |
| 192 Expect.equals(-0xABCDEF, parseInt(" -0xABCDEF ")); | 192 Expect.equals(-0xABCDEF, int.parse(" -0xABCDEF ")); |
| 193 Expect.equals(0xabcdef, parseInt("0x00000abcdef")); | 193 Expect.equals(0xabcdef, int.parse("0x00000abcdef")); |
| 194 Expect.equals(0xABCDEF, parseInt("0x00000ABCDEF")); | 194 Expect.equals(0xABCDEF, int.parse("0x00000ABCDEF")); |
| 195 Expect.equals(-0xabcdef, parseInt("-0x00000abcdef")); | 195 Expect.equals(-0xabcdef, int.parse("-0x00000abcdef")); |
| 196 Expect.equals(-0xABCDEF, parseInt("-0x00000ABCDEF")); | 196 Expect.equals(-0xABCDEF, int.parse("-0x00000ABCDEF")); |
| 197 Expect.equals(0xabcdef, parseInt(" 0x00000abcdef ")); | 197 Expect.equals(0xabcdef, int.parse(" 0x00000abcdef ")); |
| 198 Expect.equals(0xABCDEF, parseInt(" 0x00000ABCDEF ")); | 198 Expect.equals(0xABCDEF, int.parse(" 0x00000ABCDEF ")); |
| 199 Expect.equals(-0xabcdef, parseInt(" -0x00000abcdef ")); | 199 Expect.equals(-0xabcdef, int.parse(" -0x00000abcdef ")); |
| 200 Expect.equals(-0xABCDEF, parseInt(" -0x00000ABCDEF ")); | 200 Expect.equals(-0xABCDEF, int.parse(" -0x00000ABCDEF ")); |
| 201 Expect.equals(10, parseInt("010")); | 201 Expect.equals(10, int.parse("010")); |
| 202 Expect.equals(-10, parseInt("-010")); | 202 Expect.equals(-10, int.parse("-010")); |
| 203 Expect.equals(10, parseInt(" 010 ")); | 203 Expect.equals(10, int.parse(" 010 ")); |
| 204 Expect.equals(-10, parseInt(" -010 ")); | 204 Expect.equals(-10, int.parse(" -010 ")); |
| 205 Expect.equals(9, parseInt("09")); | 205 Expect.equals(9, int.parse("09")); |
| 206 Expect.equals(9, parseInt(" 09 ")); | 206 Expect.equals(9, int.parse(" 09 ")); |
| 207 Expect.equals(-9, parseInt("-09")); | 207 Expect.equals(-9, int.parse("-09")); |
| 208 Expect.equals(true, parseIntThrowsFormatException("1b")); | 208 Expect.equals(true, parseIntThrowsFormatException("1b")); |
| 209 Expect.equals(true, parseIntThrowsFormatException(" 1b ")); | 209 Expect.equals(true, parseIntThrowsFormatException(" 1b ")); |
| 210 Expect.equals(true, parseIntThrowsFormatException(" 1 b ")); | 210 Expect.equals(true, parseIntThrowsFormatException(" 1 b ")); |
| 211 Expect.equals(true, parseIntThrowsFormatException("1e2")); | 211 Expect.equals(true, parseIntThrowsFormatException("1e2")); |
| 212 Expect.equals(true, parseIntThrowsFormatException(" 1e2 ")); | 212 Expect.equals(true, parseIntThrowsFormatException(" 1e2 ")); |
| 213 Expect.equals(true, parseIntThrowsFormatException("00x12")); | 213 Expect.equals(true, parseIntThrowsFormatException("00x12")); |
| 214 Expect.equals(true, parseIntThrowsFormatException(" 00x12 ")); | 214 Expect.equals(true, parseIntThrowsFormatException(" 00x12 ")); |
| 215 Expect.equals(true, parseIntThrowsFormatException("-1b")); | 215 Expect.equals(true, parseIntThrowsFormatException("-1b")); |
| 216 Expect.equals(true, parseIntThrowsFormatException(" -1b ")); | 216 Expect.equals(true, parseIntThrowsFormatException(" -1b ")); |
| 217 Expect.equals(true, parseIntThrowsFormatException(" -1 b ")); | 217 Expect.equals(true, parseIntThrowsFormatException(" -1 b ")); |
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| 251 testLog(); | 251 testLog(); |
| 252 testExp(); | 252 testExp(); |
| 253 testPow(); | 253 testPow(); |
| 254 testParseInt(); | 254 testParseInt(); |
| 255 } | 255 } |
| 256 } | 256 } |
| 257 | 257 |
| 258 main() { | 258 main() { |
| 259 MathTest.testMain(); | 259 MathTest.testMain(); |
| 260 } | 260 } |
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