| // Copyright (c) 2015, 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"; |
| |
| // Regression test for issue #24839 - http://dartbug.com/24839 |
| |
| const u1 = null; |
| const int u2 = null; |
| const List u3 = null; |
| const u4 = const bool.hasEnvironment("XXXXX") |
| ? const String.fromEnvironment("XXXXX") |
| : null; |
| const u5 = const bool.hasEnvironment("XXXXX") |
| ? const int.fromEnvironment("XXXXX") |
| : null; |
| const u6 = bool.hasEnvironment("XXXXX") |
| ? const bool.fromEnvironment("XXXXX") |
| : null; |
| const n1 = 42; |
| const n2 = 3.1415; |
| const int n3 = 37; |
| const double n4 = 4.6692; |
| const num n5 = b3 ? 1 : 2.71828; |
| const n6 = const int.fromEnvironment("XXXXX", defaultValue: 87); |
| const s1 = "s1"; |
| const String s2 = "s2"; |
| const String s3 = "$s1$s2"; |
| const s4 = const String.fromEnvironment("XXXXX", defaultValue: "s4"); |
| const b1 = true; |
| const b2 = false; |
| const b3 = b1 && (b2 || !b1); |
| const b4 = const bool.fromEnvironment("XXXXX", defaultValue: true); |
| |
| // Individually |
| const su1 = "$u1"; |
| const su2 = "$u2"; |
| const su3 = "$u3"; |
| const su4 = "$u4"; |
| const su5 = "$u5"; |
| const su6 = "$u6"; |
| const sn1 = "$n1"; |
| const sn2 = "$n2"; |
| const sn3 = "$n3"; |
| const sn4 = "$n4"; |
| const sn5 = "$n5"; |
| const sn6 = "$n6"; |
| const ss1 = "$s1"; |
| const ss2 = "$s2"; |
| const ss3 = "$s3"; |
| const ss4 = "$s4"; |
| const sb1 = "$b1"; |
| const sb2 = "$b2"; |
| const sb3 = "$b3"; |
| const sb4 = "$b4"; |
| |
| // Constant variables in interpolation. |
| const interpolation1 = |
| "$u1 $u2 $u3 $u4 $u5 $u6 $n1 $n2 $n3 $n4 $n5 $n6 $s1 $s2 $s3 $s4 $b1 $b2 $b3 $b4"; |
| // Constant expressions in interpolation. |
| // (Single string, the linebreak to fit this into 80 chars is inside an |
| // interpolation, which is allowed, even for single-line strings). |
| const interpolation2 = |
| "${u1} ${u2} ${u3} ${u4} ${u5} ${u6} ${n1} ${n2} ${n3} ${n4} ${n5} ${n6} ${ |
| s1} ${s2} ${s3} ${s4} ${b1} ${b2} ${b3} ${b4}"; |
| // Adjacent string literals are combined. |
| const interpolation3 = "$u1 $u2 $u3 $u4 $u5 " |
| '$u6 $n1 $n2 $n3 $n4 ' |
| """$n5 $n6 $s1 $s2 $s3 """ |
| '''$s4 $b1 $b2 $b3 $b4'''; |
| // Nested interpolations. |
| const interpolation4 = "${"$u1 $u2 $u3 $u4 $u5 " '$u6 $n1 $n2 $n3 $n4'} ${ |
| """$n5 $n6 $s1 $s2 $s3 """ '''$s4 $b1 $b2 $b3 $b4'''}"; |
| |
| main() { |
| Expect.equals(u1.toString(), su1); |
| Expect.equals(u2.toString(), su2); |
| Expect.equals(u3.toString(), su3); |
| Expect.equals(u4.toString(), su4); |
| Expect.equals(u5.toString(), su5); |
| Expect.equals(u6.toString(), su6); |
| Expect.equals(n1.toString(), sn1); |
| Expect.equals(n2.toString(), sn2); |
| Expect.equals(n3.toString(), sn3); |
| Expect.equals(n4.toString(), sn4); |
| Expect.equals(n5.toString(), sn5); |
| Expect.equals(n6.toString(), sn6); |
| Expect.equals(s1.toString(), ss1); |
| Expect.equals(s2.toString(), ss2); |
| Expect.equals(s3.toString(), ss3); |
| Expect.equals(s4.toString(), ss4); |
| Expect.equals(b1.toString(), sb1); |
| Expect.equals(b2.toString(), sb2); |
| Expect.equals(b3.toString(), sb3); |
| Expect.equals(b4.toString(), sb4); |
| var expect = "null null null null null null 42 3.1415 37 4.6692 2.71828 87 " |
| "s1 s2 s1s2 s4 true false false true"; |
| Expect.equals(expect, interpolation1); |
| Expect.equals(expect, interpolation2); |
| Expect.equals(expect, interpolation3); |
| Expect.equals(expect, interpolation4); |
| } |