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Unified Diff: utils/tests/string_encoding/utf32_tests.dart

Issue 9233041: String encoding utility methods and tests for Unicode, UTF-8, -16 and -32. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: updates to comments. Created 8 years, 11 months ago
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Index: utils/tests/string_encoding/utf32_tests.dart
diff --git a/utils/tests/string_encoding/utf32_tests.dart b/utils/tests/string_encoding/utf32_tests.dart
new file mode 100755
index 0000000000000000000000000000000000000000..e1c4e4abce49b45420bd02a03309f9bd97ff471e
--- /dev/null
+++ b/utils/tests/string_encoding/utf32_tests.dart
@@ -0,0 +1,158 @@
+#!/usr/bin/env dart
+// 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.
+
+#library("utf32_tests");
+#import("dunit.dart");
+#import("../../string_encoding/utf32.dart");
+
+void main() {
+ TestSuite suite = new TestSuite();
+ suite.registerTestClass(new Utf32Tests());
+ suite.run();
+}
+
+class Utf32Tests extends TestClass {
+ static final String testKoreanCharSubset = """
+가각갂갃간갅갆갇갈갉갊갋갌갍갎갏감갑값갓갔강갖갗갘같갚갛
+개객갞갟갠갡갢갣갤갥갦갧갨갩갪갫갬갭갮갯갰갱갲갳갴갵갶갷
+갸갹갺갻갼갽갾갿걀걁걂걃걄걅걆걇걈걉걊걋걌걍걎걏걐걑걒걓""";
+ static final String testHanTwice = "二";
+
+ static final List<int> testKoreanCharSubsetUtf32be = const<int>[
+ 0x00, 0x00, 0xfe, 0xff, 0x00, 0x00, 0xac, 0x00,
+ 0x00, 0x00, 0xac, 0x01, 0x00, 0x00, 0xac, 0x02,
+ 0x00, 0x00, 0xac, 0x03, 0x00, 0x00, 0xac, 0x04,
+ 0x00, 0x00, 0xac, 0x05, 0x00, 0x00, 0xac, 0x06,
+ 0x00, 0x00, 0xac, 0x07, 0x00, 0x00, 0xac, 0x08,
+ 0x00, 0x00, 0xac, 0x09, 0x00, 0x00, 0xac, 0x0a,
+ 0x00, 0x00, 0xac, 0x0b, 0x00, 0x00, 0xac, 0x0c,
+ 0x00, 0x00, 0xac, 0x0d, 0x00, 0x00, 0xac, 0x0e,
+ 0x00, 0x00, 0xac, 0x0f, 0x00, 0x00, 0xac, 0x10,
+ 0x00, 0x00, 0xac, 0x11, 0x00, 0x00, 0xac, 0x12,
+ 0x00, 0x00, 0xac, 0x13, 0x00, 0x00, 0xac, 0x14,
+ 0x00, 0x00, 0xac, 0x15, 0x00, 0x00, 0xac, 0x16,
+ 0x00, 0x00, 0xac, 0x17, 0x00, 0x00, 0xac, 0x18,
+ 0x00, 0x00, 0xac, 0x19, 0x00, 0x00, 0xac, 0x1a,
+ 0x00, 0x00, 0xac, 0x1b, 0x00, 0x00, 0x00, 0x0a,
+ 0x00, 0x00, 0xac, 0x1c, 0x00, 0x00, 0xac, 0x1d,
+ 0x00, 0x00, 0xac, 0x1e, 0x00, 0x00, 0xac, 0x1f,
+ 0x00, 0x00, 0xac, 0x20, 0x00, 0x00, 0xac, 0x21,
+ 0x00, 0x00, 0xac, 0x22, 0x00, 0x00, 0xac, 0x23,
+ 0x00, 0x00, 0xac, 0x24, 0x00, 0x00, 0xac, 0x25,
+ 0x00, 0x00, 0xac, 0x26, 0x00, 0x00, 0xac, 0x27,
+ 0x00, 0x00, 0xac, 0x28, 0x00, 0x00, 0xac, 0x29,
+ 0x00, 0x00, 0xac, 0x2a, 0x00, 0x00, 0xac, 0x2b,
+ 0x00, 0x00, 0xac, 0x2c, 0x00, 0x00, 0xac, 0x2d,
+ 0x00, 0x00, 0xac, 0x2e, 0x00, 0x00, 0xac, 0x2f,
+ 0x00, 0x00, 0xac, 0x30, 0x00, 0x00, 0xac, 0x31,
+ 0x00, 0x00, 0xac, 0x32, 0x00, 0x00, 0xac, 0x33,
+ 0x00, 0x00, 0xac, 0x34, 0x00, 0x00, 0xac, 0x35,
+ 0x00, 0x00, 0xac, 0x36, 0x00, 0x00, 0xac, 0x37,
+ 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0xac, 0x38,
+ 0x00, 0x00, 0xac, 0x39, 0x00, 0x00, 0xac, 0x3a,
+ 0x00, 0x00, 0xac, 0x3b, 0x00, 0x00, 0xac, 0x3c,
+ 0x00, 0x00, 0xac, 0x3d, 0x00, 0x00, 0xac, 0x3e,
+ 0x00, 0x00, 0xac, 0x3f, 0x00, 0x00, 0xac, 0x40,
+ 0x00, 0x00, 0xac, 0x41, 0x00, 0x00, 0xac, 0x42,
+ 0x00, 0x00, 0xac, 0x43, 0x00, 0x00, 0xac, 0x44,
+ 0x00, 0x00, 0xac, 0x45, 0x00, 0x00, 0xac, 0x46,
+ 0x00, 0x00, 0xac, 0x47, 0x00, 0x00, 0xac, 0x48,
+ 0x00, 0x00, 0xac, 0x49, 0x00, 0x00, 0xac, 0x4a,
+ 0x00, 0x00, 0xac, 0x4b, 0x00, 0x00, 0xac, 0x4c,
+ 0x00, 0x00, 0xac, 0x4d, 0x00, 0x00, 0xac, 0x4e,
+ 0x00, 0x00, 0xac, 0x4f, 0x00, 0x00, 0xac, 0x50,
+ 0x00, 0x00, 0xac, 0x51, 0x00, 0x00, 0xac, 0x52,
+ 0x00, 0x00, 0xac, 0x53];
+
+ void registerTests(TestSuite suite) {
+ register("testUtf32BytesToString", testUtf32BytesToString, suite);
+ register("testEncodeToUtf32", testEncodeToUtf32, suite);
+ }
+
+ void testEncodeToUtf32() {
+ Expect.listEquals(testKoreanCharSubsetUtf32be,
+ encodeAsUtf32(testKoreanCharSubset),
+ "encode UTF-32(BE by default) Korean");
+ Expect.listEquals([
+ 0x00, 0xac, 0x00, 0x00, 0x01, 0xac, 0x00, 0x00,
+ 0x02, 0xac, 0x00, 0x00, 0x03, 0xac, 0x00, 0x00,
+ 0x04, 0xac, 0x00, 0x00, 0x05, 0xac, 0x00, 0x00,
+ 0x06, 0xac, 0x00, 0x00, 0x07, 0xac, 0x00, 0x00,
+ 0x08, 0xac, 0x00, 0x00, 0x09, 0xac, 0x00, 0x00,
+ 0x0a, 0xac, 0x00, 0x00, 0x0b, 0xac, 0x00, 0x00,
+ 0x0c, 0xac, 0x00, 0x00, 0x0d, 0xac, 0x00, 0x00,
+ 0x0e, 0xac, 0x00, 0x00, 0x0f, 0xac, 0x00, 0x00,
+ 0x10, 0xac, 0x00, 0x00, 0x11, 0xac, 0x00, 0x00,
+ 0x12, 0xac, 0x00, 0x00, 0x13, 0xac, 0x00, 0x00,
+ 0x14, 0xac, 0x00, 0x00, 0x15, 0xac, 0x00, 0x00,
+ 0x16, 0xac, 0x00, 0x00, 0x17, 0xac, 0x00, 0x00,
+ 0x18, 0xac, 0x00, 0x00, 0x19, 0xac, 0x00, 0x00,
+ 0x1a, 0xac, 0x00, 0x00, 0x1b, 0xac, 0x00, 0x00,
+ 0x0a, 0x00, 0x00, 0x00, 0x1c, 0xac, 0x00, 0x00,
+ 0x1d, 0xac, 0x00, 0x00, 0x1e, 0xac, 0x00, 0x00,
+ 0x1f, 0xac, 0x00, 0x00, 0x20, 0xac, 0x00, 0x00,
+ 0x21, 0xac, 0x00, 0x00, 0x22, 0xac, 0x00, 0x00,
+ 0x23, 0xac, 0x00, 0x00, 0x24, 0xac, 0x00, 0x00,
+ 0x25, 0xac, 0x00, 0x00, 0x26, 0xac, 0x00, 0x00,
+ 0x27, 0xac, 0x00, 0x00, 0x28, 0xac, 0x00, 0x00,
+ 0x29, 0xac, 0x00, 0x00, 0x2a, 0xac, 0x00, 0x00,
+ 0x2b, 0xac, 0x00, 0x00, 0x2c, 0xac, 0x00, 0x00,
+ 0x2d, 0xac, 0x00, 0x00, 0x2e, 0xac, 0x00, 0x00,
+ 0x2f, 0xac, 0x00, 0x00, 0x30, 0xac, 0x00, 0x00,
+ 0x31, 0xac, 0x00, 0x00, 0x32, 0xac, 0x00, 0x00,
+ 0x33, 0xac, 0x00, 0x00, 0x34, 0xac, 0x00, 0x00,
+ 0x35, 0xac, 0x00, 0x00, 0x36, 0xac, 0x00, 0x00,
+ 0x37, 0xac, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00,
+ 0x38, 0xac, 0x00, 0x00, 0x39, 0xac, 0x00, 0x00,
+ 0x3a, 0xac, 0x00, 0x00, 0x3b, 0xac, 0x00, 0x00,
+ 0x3c, 0xac, 0x00, 0x00, 0x3d, 0xac, 0x00, 0x00,
+ 0x3e, 0xac, 0x00, 0x00, 0x3f, 0xac, 0x00, 0x00,
+ 0x40, 0xac, 0x00, 0x00, 0x41, 0xac, 0x00, 0x00,
+ 0x42, 0xac, 0x00, 0x00, 0x43, 0xac, 0x00, 0x00,
+ 0x44, 0xac, 0x00, 0x00, 0x45, 0xac, 0x00, 0x00,
+ 0x46, 0xac, 0x00, 0x00, 0x47, 0xac, 0x00, 0x00,
+ 0x48, 0xac, 0x00, 0x00, 0x49, 0xac, 0x00, 0x00,
+ 0x4a, 0xac, 0x00, 0x00, 0x4b, 0xac, 0x00, 0x00,
+ 0x4c, 0xac, 0x00, 0x00, 0x4d, 0xac, 0x00, 0x00,
+ 0x4e, 0xac, 0x00, 0x00, 0x4f, 0xac, 0x00, 0x00,
+ 0x50, 0xac, 0x00, 0x00, 0x51, 0xac, 0x00, 0x00,
+ 0x52, 0xac, 0x00, 0x00, 0x53, 0xac, 0x00, 0x00],
+ encodeAsUtf32le(testKoreanCharSubset),
+ "encode UTF-32(LE by default) Korean");
+ }
+
+ void testUtf32BytesToString() {
+ Expect.stringEquals("\ufffd", decodeFromUtf32([0]), "single byte");
+ Expect.stringEquals("\ufffd", decodeFromUtf32([0, 0, 0x4e]),
+ "short a byte");
+ Expect.stringEquals("\u4e8c\ufffd", decodeFromUtf32([0, 0, 0x4e, 0x8c, 0]),
+ "extra byte");
+
+ Expect.stringEquals(testHanTwice, decodeFromUtf32([0, 0, 0x4e, 0x8c]),
+ "twice variation 1");
+ Expect.stringEquals(testHanTwice,
+ decodeFromUtf32([0, 0, 0xfe, 0xff, 0, 0, 0x4e, 0x8c]),
+ "twice variation 2");
+ Expect.stringEquals(testHanTwice,
+ decodeFromUtf32([0xff, 0xfe, 0, 0, 0x8c, 0x4e, 0, 0]),
+ "twice variation 3");
+
+ Expect.stringEquals(testHanTwice, decodeFromUtf32be([0, 0, 0x4e, 0x8c]),
+ "twice variation 4");
+ Expect.stringEquals(testHanTwice,
+ decodeFromUtf32be([0, 0, 0xfe, 0xff, 0, 0, 0x4e, 0x8c]),
+ "twice variation 5");
+
+ Expect.stringEquals(testHanTwice, decodeFromUtf32le([0x8c, 0x4e, 0, 0]),
+ "twice variation 6");
+ Expect.stringEquals(testHanTwice,
+ decodeFromUtf32le([0xff, 0xfe, 0, 0, 0x8c, 0x4e, 0, 0]),
+ "twice variation 7");
+
+ Expect.stringEquals(testKoreanCharSubset,
+ decodeFromUtf32(testKoreanCharSubsetUtf32be),
+ "UTF-32BE Korean");
+ }
+}
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