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| 1 #!/usr/bin/env dart | |
| 2 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
| 3 // for details. All rights reserved. Use of this source code is governed by a | |
| 4 // BSD-style license that can be found in the LICENSE file. | |
| 5 | |
| 6 #library("unicode_core_tests"); | |
| 7 #import("dunit.dart"); | |
| 8 #import("../../string_encoding/unicode_core.dart"); | |
| 9 | |
| 10 void main() { | |
| 11 TestSuite suite = new TestSuite(); | |
| 12 suite.registerTestClass(new UnicodeCoreTests()); | |
| 13 suite.run(); | |
| 14 } | |
| 15 | |
| 16 class UnicodeCoreTests extends TestClass { | |
| 17 void registerTests(TestSuite suite) { | |
| 18 register("testPlatform", testPlatform, suite); | |
| 19 register("testCodepointsToUtf16CodeUnits", | |
| 20 testCodepointsToUtf16CodeUnits, suite); | |
| 21 register("testUtf16bytesToCodepoints", testUtf16bytesToCodepoints, suite); | |
| 22 } | |
| 23 | |
| 24 void testPlatform() { | |
| 25 Expect.isFalse(is16BitCodeUnit()); | |
| 26 } | |
| 27 | |
| 28 void testCodepointsToUtf16CodeUnits() { | |
| 29 // boundary conditions | |
| 30 Expect.listEquals([], codepointsToUtf16CodeUnits([]), "no input"); | |
| 31 Expect.listEquals([0x0], codepointsToUtf16CodeUnits([0x0]), "0"); | |
| 32 Expect.listEquals([0xd800, 0xdc00], | |
| 33 codepointsToUtf16CodeUnits([0x10000]), "10000"); | |
| 34 | |
| 35 Expect.listEquals([0xffff], | |
| 36 codepointsToUtf16CodeUnits([0xffff]), "ffff"); | |
| 37 Expect.listEquals([0xdbff, 0xdfff], | |
| 38 codepointsToUtf16CodeUnits([0x10ffff]), "10ffff"); | |
| 39 | |
| 40 Expect.listEquals([0xd7ff], | |
| 41 codepointsToUtf16CodeUnits([0xd7ff]), "d7ff"); | |
| 42 Expect.listEquals([0xe000], | |
| 43 codepointsToUtf16CodeUnits([0xe000]), "e000"); | |
| 44 | |
| 45 Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], | |
| 46 codepointsToUtf16CodeUnits([0xd800]), "d800"); | |
| 47 Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], | |
| 48 codepointsToUtf16CodeUnits([0xdfff]), "dfff"); | |
| 49 } | |
| 50 | |
| 51 void testUtf16bytesToCodepoints() { | |
| 52 // boundary conditions: First possible values | |
| 53 Expect.listEquals([], utf16CodeUnitsToCodepoints([]), "no input"); | |
| 54 Expect.listEquals([0x0], utf16CodeUnitsToCodepoints([0x0]), "0"); | |
| 55 Expect.listEquals([0x10000], | |
| 56 utf16CodeUnitsToCodepoints([0xd800, 0xdc00]), "10000"); | |
| 57 | |
| 58 // boundary conditions: Last possible sequence of a certain length | |
| 59 Expect.listEquals([0xffff], | |
| 60 utf16CodeUnitsToCodepoints([0xffff]), "ffff"); | |
| 61 Expect.listEquals([0x10ffff], | |
| 62 utf16CodeUnitsToCodepoints([0xdbff, 0xdfff]), "10ffff"); | |
| 63 | |
| 64 // other boundary conditions | |
| 65 Expect.listEquals([0xd7ff], | |
| 66 utf16CodeUnitsToCodepoints([0xd7ff]), "d7ff"); | |
| 67 Expect.listEquals([0xe000], | |
| 68 utf16CodeUnitsToCodepoints([0xe000]), "e000"); | |
| 69 | |
| 70 // unexpected continuation bytes | |
| 71 Expect.listEquals([0xfffd], | |
| 72 utf16CodeUnitsToCodepoints([0xdc00]), | |
| 73 "dc00 first unexpected continuation byte"); | |
| 74 Expect.listEquals([0xfffd], | |
| 75 utf16CodeUnitsToCodepoints([0xdfff]), | |
| 76 "dfff last unexpected continuation byte"); | |
| 77 Expect.listEquals([0xfffd], | |
| 78 utf16CodeUnitsToCodepoints([0xdc00]), | |
| 79 "1 unexpected continuation bytes"); | |
| 80 Expect.listEquals([0xfffd, 0xfffd], | |
| 81 utf16CodeUnitsToCodepoints([0xdc00, 0xdc00]), | |
| 82 "2 unexpected continuation bytes"); | |
| 83 Expect.listEquals([0xfffd, 0xfffd ,0xfffd], | |
| 84 utf16CodeUnitsToCodepoints([0xdc00, 0xdc00, 0xdc00]), | |
| 85 "3 unexpected continuation bytes"); | |
| 86 | |
| 87 // incomplete sequences | |
| 88 Expect.listEquals([0xfffd], utf16CodeUnitsToCodepoints([0xd800]), | |
| 89 "d800 last byte missing"); | |
| 90 Expect.listEquals([0xfffd], utf16CodeUnitsToCodepoints([0xdbff]), | |
| 91 "dbff last byte missing"); | |
| 92 | |
| 93 // concatenation of incomplete sequences | |
| 94 Expect.listEquals([0xfffd, 0xfffd], | |
| 95 utf16CodeUnitsToCodepoints([0xd800, 0xdbff]), | |
| 96 "d800 dbff last byte missing"); | |
| 97 | |
| 98 // impossible bytes | |
| 99 Expect.listEquals([0xfffd], utf16CodeUnitsToCodepoints([0x110000]), | |
| 100 "110000 out of bounds"); | |
| 101 | |
| 102 // overlong sequences not possible in utf16 (nothing < x10000) | |
| 103 // illegal code positions d800-dfff not encodable (< x10000) | |
| 104 } | |
| 105 } | |
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