Migrated test block 29 to Dart 2.0

tests/corelib_strong/symbol_operator_test.dart

-// Copyright (c) 2013, 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.
-
-// Test of Symbol class for operators..
-
-var $ = new Symbolize();
-
-main() {
-  testSymbol(#+, $ + $, "+");
-  testSymbol(#-, $ - $, "-");
-  testSymbol(#*, $ * $, "*");
-  testSymbol(#/, $ / $, "/");
-  testSymbol(#~/, $ ~/ $, "~/");
-  testSymbol(#%, $ % $, "%");
-  testSymbol(#<<, $ << $, "<<");
-  testSymbol(#>>, $ >> $, ">>");
-  testSymbol(#~, ~$, "~");
-  testSymbol(#|, $ | $, "|");
-  testSymbol(#&, $ & $, "&");
-  testSymbol(#^, $ ^ $, "^");
-  testSymbol(#<, $ < $, "<");
-  testSymbol(#<=, $ <= $, "<=");
-  testSymbol(#>, $ > $, ">");
-  testSymbol(#>=, $ >= $, ">=");
-  testSymbol(#==, new Symbol("=="), "=="); // Can't hit noSuchMethod.
-  testSymbol(#[], $[$], "[]");
-  testSymbol(#[]=, ($[$] = $).lastMember, "[]=");
-  testSymbol(const Symbol("unary-"), -$, "unary-");
-
-  testSymbolThrows(">>>"); // //# 03: ok
-  testSymbolThrows("!"); //   //# 03: continued
-  testSymbolThrows("&&"); //  //# 03: continued
-  testSymbolThrows("||"); //  //# 03: continued
-  testSymbolThrows("?"); //   //# 03: continued
-  testSymbolThrows("?:"); //  //# 03: continued
-  testSymbolThrows("#"); //   //# 03: continued
-  testSymbolThrows("//"); //  //# 03: continued
-}
-
-void testSymbol(Symbol constSymbol, var mirrorSymbol, String name) {
-  Symbol dynamicSymbol = new Symbol(name);
-  if (constSymbol != mirrorSymbol) {
-    throw "Not equal #$name, \$$name: $constSymbol, $mirrorSymbol";
-  }
-  if (constSymbol != dynamicSymbol) {
-    throw "Not equal #$name, new Symbol('$name'): $constSymbol, $dynamicSymbol";
-  }
-  if (mirrorSymbol != dynamicSymbol) {
-    throw "Not equal \$$name, new Symbol('$name'): "
-        "$mirrorSymbol, $dynamicSymbol";
-  }
-  if (constSymbol.hashCode != mirrorSymbol.hashCode) {
-    throw "HashCode not equal #$name, \$$name: $constSymbol, $mirrorSymbol";
-  }
-  if (constSymbol.hashCode != dynamicSymbol.hashCode) {
-    throw "HashCode not equal #$name, new Symbol('$name'): "
-        "$constSymbol, $dynamicSymbol";
-  }
-  if (mirrorSymbol.hashCode != dynamicSymbol.hashCode) {
-    throw "HashCode not equal \$$name, new Symbol('$name'): "
-        "$mirrorSymbol, $dynamicSymbol";
-  }
-}
-
-void testSymbolThrows(name) {
-  bool fails = false;
-  try {
-    new Symbol(name);
-  } catch (e) {
-    fails = true;
-  }
-  if (!fails) {
-    throw "Didn't throw: $name";
-  }
-}
-
-class Symbolize {
-  Symbol lastMember;
-  noSuchMethod(m) => lastMember = m.memberName;
-}