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Unified Diff: tests/corelib/string_from_list_test.dart

Issue 2989473002: Migrated test block 27 to Dart 2.0. (Closed)
Patch Set: Addressed Bob's nits and fixed test failures Created 3 years, 5 months ago
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Index: tests/corelib/string_from_list_test.dart
diff --git a/tests/corelib/string_from_list_test.dart b/tests/corelib/string_from_list_test.dart
deleted file mode 100644
index 062d6b6f0491150900a2df85b62f60c3b1d107a3..0000000000000000000000000000000000000000
--- a/tests/corelib/string_from_list_test.dart
+++ /dev/null
@@ -1,84 +0,0 @@
-// Copyright (c) 2011, 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() {
- Expect.equals("", new String.fromCharCodes(new List(0)));
- Expect.equals("", new String.fromCharCodes([]));
- Expect.equals("", new String.fromCharCodes(const []));
- Expect.equals("AB", new String.fromCharCodes([65, 66]));
- Expect.equals("AB", new String.fromCharCodes(const [65, 66]));
- Expect.equals("Ærø", new String.fromCharCodes(const [0xc6, 0x72, 0xf8]));
- Expect.equals("\u{1234}", new String.fromCharCodes([0x1234]));
- Expect.equals("\u{12345}*", new String.fromCharCodes([0x12345, 42]));
- Expect.equals("", new String.fromCharCodes(new List()));
- {
- var a = new List();
- a.add(65);
- a.add(66);
- Expect.equals("AB", new String.fromCharCodes(a));
- }
-
- // Long list (bug 6919).
- for (int len in [499, 500, 501, 999, 100000]) {
- List<int> list = new List(len);
- for (int i = 0; i < len; i++) {
- list[i] = 65 + (i % 26);
- }
- for (int i = len - 9; i < len; i++) {
- list[i] = 48 + (len - i);
- }
- // We should not throw a stack overflow here.
- String long = new String.fromCharCodes(list);
- // Minimal sanity checking on the string.
- Expect.isTrue(long.startsWith('ABCDE'));
- Expect.isTrue(long.endsWith('987654321'));
- int middle = len ~/ 2;
- middle -= middle % 26;
- Expect.equals('XYZABC', long.substring(middle - 3, middle + 3));
- Expect.equals(len, long.length);
- }
-
- // Should work with iterables and non-default-lists (http://dartbug.com/8922)
- Expect.equals("CBA", new String.fromCharCodes([65, 66, 67].reversed));
- Expect.equals(
- "BCD", new String.fromCharCodes([65, 66, 67].map((x) => x + 1)));
- Expect.equals(
- "AC", new String.fromCharCodes([0x41, 0x42, 0x43].where((x) => x.isOdd)));
- Expect.equals(
- "CE",
- new String.fromCharCodes(
- [0x41, 0x42, 0x43].where((x) => x.isOdd).map((x) => x + 2)));
- Expect.equals(
- "ABC", new String.fromCharCodes(new Iterable.generate(3, (x) => 65 + x)));
- Expect.equals("ABC", new String.fromCharCodes("ABC".codeUnits));
- Expect.equals(
- "BCD", new String.fromCharCodes("ABC".codeUnits.map((x) => x + 1)));
- Expect.equals("BCD", new String.fromCharCodes("ABC".runes.map((x) => x + 1)));
-
- var nonBmpCharCodes = [0, 0xD812, 0xDC34, 0x14834, 0xDC34, 0xD812];
- var nonBmp = new String.fromCharCodes(nonBmpCharCodes);
- Expect.equals(7, nonBmp.length);
- Expect.equals(0, nonBmp.codeUnitAt(0));
- Expect.equals(0xD812, nonBmp.codeUnitAt(1)); // Separated surrogate pair
- Expect.equals(0xDC34, nonBmp.codeUnitAt(2));
- Expect.equals(0xD812, nonBmp.codeUnitAt(3)); // Single non-BMP code point.
- Expect.equals(0xDC34, nonBmp.codeUnitAt(4));
- Expect.equals(0xDC34, nonBmp.codeUnitAt(5)); // Unmatched surrogate.
- Expect.equals(0xD812, nonBmp.codeUnitAt(6)); // Unmatched surrogate.
-
- var reversedNonBmp = new String.fromCharCodes(nonBmpCharCodes.reversed);
- Expect.equals(7, reversedNonBmp.length);
- Expect.equals(0, reversedNonBmp.codeUnitAt(6));
- Expect.equals(0xD812, reversedNonBmp.codeUnitAt(5));
- Expect.equals(0xDC34, reversedNonBmp.codeUnitAt(4));
- Expect.equals(0xDC34, reversedNonBmp.codeUnitAt(3));
- Expect.equals(0xD812, reversedNonBmp.codeUnitAt(2));
- Expect.equals(0xDC34, reversedNonBmp.codeUnitAt(1));
- Expect.equals(0xD812, reversedNonBmp.codeUnitAt(0));
-
- Expect.equals(nonBmp, new String.fromCharCodes(nonBmp.codeUnits));
- Expect.equals(nonBmp, new String.fromCharCodes(nonBmp.runes));
-}
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