- Allow string interpolation in constant strings.

tests/language/src/AdjacentConstStringLiteralsTest.dart

Index: tests/language/src/AdjacentConstStringLiteralsTest.dart
===================================================================
--- tests/language/src/AdjacentConstStringLiteralsTest.dart	(revision 0)
+++ tests/language/src/AdjacentConstStringLiteralsTest.dart	(revision 0)
@@ -0,0 +1,96 @@
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file

[zundel, 2012/03/13 00:55:30]

date

+// 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.
+
+
+class Conster {
+  const Conster(this.value);
+
+  final value;
+
+  toString() {

[kasperl, 2012/03/13 08:32:23]

=>

+    return value.toString();
+  }
+}
+
+main() {
+  testEmpty();
+  testInterpolation();
+  testMultiline();
+}
+
+testEmpty() {
+  Expect.equals("", (const Conster("" "" "")).toString());
+  Expect.equals("", (const Conster("" '' "")).toString());
+  Expect.equals("", (const Conster("" "" @"")).toString());
+  
+  Expect.equals("a", (const Conster("a" "")).toString());
+  Expect.equals("a", (const Conster("a" '')).toString());
+  Expect.equals("a", (const Conster("a" @'')).toString());
+
+  Expect.equals("b", (const Conster('b' "")).toString());
+  Expect.equals("b", (const Conster('b' '')).toString());
+  Expect.equals("b", (const Conster('b' @'')).toString());
+  
+  Expect.equals("c", (const Conster(@'c' "")).toString());
+  Expect.equals("c", (const Conster(@'c' '')).toString());
+  Expect.equals("c", (const Conster(@'c' @'')).toString());
+
+  Expect.equals("a", (const Conster("" "a")).toString());
+  Expect.equals("a", (const Conster("" 'a')).toString());
+  Expect.equals("a", (const Conster("" @'a')).toString());
+
+  Expect.equals("b", (const Conster('' "b")).toString());
+  Expect.equals("b", (const Conster('' 'b')).toString());
+  Expect.equals("b", (const Conster('' @'b')).toString());
+  
+  Expect.equals("c", (const Conster(@'' "c")).toString());
+  Expect.equals("c", (const Conster(@'' 'c')).toString());
+  Expect.equals("c", (const Conster(@'' @'c')).toString());
+}
+
+final s = "a";
+
+testInterpolation() {
+  Expect.equals(@"ab", (const Conster("$s" "b")).toString());
+  Expect.equals(@"ab", (const Conster('$s' "b")).toString());
+  Expect.equals(@"$sb", (const Conster(@'$s' "b")).toString());
+
+  Expect.equals(@"-a-b", (const Conster("-$s-" "b")).toString());
+  Expect.equals(@"-a-b", (const Conster('-$s-' "b")).toString());
+  Expect.equals(@"-$s-b", (const Conster(@'-$s-' "b")).toString());
+  
+  Expect.equals(@"ba", (const Conster('b' "$s")).toString());
+  Expect.equals(@"ba", (const Conster('b' '$s')).toString());
+  Expect.equals(@"b$s", (const Conster('b' @'$s')).toString());
+
+  Expect.equals(@"b-a-", (const Conster('b' "-$s-")).toString());
+  Expect.equals(@"b-a-", (const Conster('b' '-$s-')).toString());
+  Expect.equals(@"b-$s-", (const Conster('b' @'-$s-')).toString());
+}
+
+testMultiline() {
+  Expect.equals("abe",
+                (const Conster("a"
+                "b"
+                "e")).toString());
+  Expect.equals("a b e",
+                (const Conster("a "
+                "b "
+                "e")).toString());
+  Expect.equals("a b e",
+                (const Conster("a"
+                " b"
+                " e")).toString());
+
+  Expect.equals("abe", (const Conster("""
+a""" "b" "e")).toString());
+  Expect.equals("a b e", (const Conster("""
+a""" " b" " e")).toString());
+
+  Expect.equals("abe", (const Conster("""
+a""" """
+b""" """
+e""")).toString());
+}
+