| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import "package:expect/expect.dart"; |
| |
| void main() { |
| bool checkedMode = false; |
| assert(checkedMode = true); |
| |
| for (int i = 0; i < 36 * 36 + 1; i++) { |
| for (int r = 2; r <= 36; r++) { |
| String radixString = i.toRadixString(r); |
| Expect.equals(i, int.parse(radixString, radix: r), ""); |
| Expect.equals(i, int.parse(" $radixString", radix: r), ""); |
| Expect.equals(i, int.parse("$radixString ", radix: r), ""); |
| Expect.equals(i, int.parse(" $radixString ", radix: r), ""); |
| Expect.equals(i, int.parse("+$radixString", radix: r), ""); |
| Expect.equals(i, int.parse(" +$radixString", radix: r), ""); |
| Expect.equals(i, int.parse("+$radixString ", radix: r), ""); |
| Expect.equals(i, int.parse(" +$radixString ", radix: r), ""); |
| Expect.equals(-i, int.parse("-$radixString", radix: r), ""); |
| Expect.equals(-i, int.parse(" -$radixString", radix: r), ""); |
| Expect.equals(-i, int.parse("-$radixString ", radix: r), ""); |
| Expect.equals(-i, int.parse(" -$radixString ", radix: r), ""); |
| } |
| } |
| // Allow both upper- and lower-case letters. |
| Expect.equals(0xABCD, int.parse("ABCD", radix: 16)); |
| Expect.equals(0xABCD, int.parse("abcd", radix: 16)); |
| Expect.equals(15628859, int.parse("09azAZ", radix: 36)); |
| |
| // Allow whitespace before and after the number. |
| Expect.equals(1, int.parse(" 1", radix: 2)); |
| Expect.equals(1, int.parse("1 ", radix: 2)); |
| Expect.equals(1, int.parse(" 1 ", radix: 2)); |
| Expect.equals(1, int.parse("\n1", radix: 2)); |
| Expect.equals(1, int.parse("1\n", radix: 2)); |
| Expect.equals(1, int.parse("\n1\n", radix: 2)); |
| Expect.equals(1, int.parse("+1", radix: 2)); |
| |
| void testFails(String source, int radix) { |
| Expect.throws(() { throw int.parse(source, radix: radix, |
| onError: (s) { throw "FAIL"; }); }, |
| (e) => e == "FAIL", |
| "$source/$radix"); |
| Expect.equals(-999, int.parse(source, radix: radix, onError: (s) => -999)); |
| } |
| for (int i = 2; i < 36; i++) { |
| testFails(i.toRadixString(36), i); |
| } |
| testFails("", 2); |
| testFails("0x10", 16); // No 0x specially allowed. |
| testFails("+ 1", 2); // No space between sign and digits. |
| testFails("- 1", 2); // No space between sign and digits. |
| |
| testBadTypes(var source, var radix) { |
| if (!checkedMode) { |
| // No promises on what error is thrown if the type doesn't match. |
| // Likely either ArgumentError or NoSuchMethodError. |
| Expect.throws(() => int.parse(source, radix: radix, onError: (s) => 0)); |
| return; |
| } |
| // In checked mode, it's always a TypeError. |
| Expect.throws(() => int.parse(source, radix: radix, onError: (s) => 0), |
| (e) => e is TypeError); |
| } |
| |
| testBadTypes(9, 10); |
| testBadTypes(true, 10); |
| testBadTypes("0", true); |
| testBadTypes("0", "10"); |
| |
| testBadArguments(String source, int radix) { |
| // If the types match, it should be an ArgumentError of some sort. |
| Expect.throws(() => int.parse(source, radix: radix, onError: (s) => 0), |
| (e) => e is ArgumentError); |
| } |
| |
| testBadArguments("0", -1); |
| testBadArguments("0", 0); |
| testBadArguments("0", 1); |
| testBadArguments("0", 37); |
| |
| // If handleError isn't an unary function, and it's called, it also throws |
| // (either TypeError in checked mode, or some failure in unchecked mode). |
| Expect.throws(() => int.parse("9", radix: 8, onError: "not a function")); |
| Expect.throws(() => int.parse("9", radix: 8, onError: () => 42)); |
| Expect.throws(() => int.parse("9", radix: 8, onError: (v1, v2) => 42)); |
| } |