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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 | |
3 // BSD-style license that can be found in the LICENSE file. | |
4 | |
5 // Exercises compile-time string constants | |
6 | |
7 main() { | |
8 // Constant comparisons are independent of the quotes used. | |
9 Expect.isTrue("abcd" === 'abcd'); | |
10 Expect.isTrue('abcd' === "abcd"); | |
11 Expect.isTrue("ab\"cd" === 'ab"cd'); | |
12 Expect.isTrue('ab\'cd' === "ab'cd"); | |
13 | |
14 // String concatenation works even when quotes are different. | |
15 Expect.isTrue("abcd" === "ab" + "cd"); | |
16 Expect.isTrue("abcd" === "ab" + 'cd'); | |
17 Expect.isTrue("abcd" === 'ab' + 'cd'); | |
18 Expect.isTrue("abcd" === 'ab' + "cd"); | |
19 | |
20 // Or when there are more than 2 contatenations. | |
21 Expect.isTrue("abcd" === "a" + "b" + "cd"); | |
22 Expect.isTrue("abcd" === "a" + "b" + "c" + "d"); | |
23 Expect.isTrue('abcd' === 'a' + 'b' + 'c' + 'd'); | |
24 Expect.isTrue("abcd" === "a" + "b" + 'c' + "d"); | |
25 Expect.isTrue("abcd" === 'a' + 'b' + 'c' + 'd'); | |
26 Expect.isTrue("abcd" === 'a' + "b" + 'c' + "d"); | |
27 | |
28 Expect.isTrue("a'b'cd" === "a" + "'b'" + 'c' + "d"); | |
29 Expect.isTrue("a\"b\"cd" === "a" + '"b"' + 'c' + "d"); | |
30 Expect.isTrue("a\"b\"cd" === "a" + '"b"' + 'c' + "d"); | |
31 Expect.isTrue("a'b'cd" === 'a' + "'b'" + 'c' + "d"); | |
32 Expect.isTrue('a\'b\'cd' === "a" + "'b'" + 'c' + "d"); | |
33 Expect.isTrue('a"b"cd' === 'a' + '"b"' + 'c' + "d"); | |
34 Expect.isTrue("a\"b\"cd" === 'a' + '"b"' + 'c' + "d"); | |
35 } | |
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