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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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