Formatter token emission baby-steps.

pkg/analyzer_experimental/test/services/formatter_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.
 
 import 'package:unittest/unittest.dart';
 
 import 'package:analyzer_experimental/src/generated/scanner.dart';
 import 'package:analyzer_experimental/src/services/formatter_impl.dart';
 import 'package:analyzer_experimental/src/services/writer.dart';
 
@@ skipping 165 matching lines @@
          '    } else {\n'
          '      return false;\n'
          '    }\n'
          '  }\n'
          '} else {\n'
          '  return false;\n'
          '}'
         );
     });
 
+    test('stmt (switch)', () {
+      expectStmtFormatsTo(
+        'switch (fruit) {\n'
+        'case "apple":\n'
+        'print("delish");\n'
+        'break;\n'
+        'case "fig":\n'
+        'print("bleh");\n'
+        'break;\n'
+        '}\n',
+        'switch (fruit) {\n'
+        '  case "apple":\n'
+        '    print("delish");\n'
+        '    break;\n'
+        '  case "fig":\n'
+        '    print("bleh");\n'
+        '    break;\n'
+        '}\n'
+      );
+    });
+  
+    test('stmt (generics)', () {
+      expectStmtFormatsTo(
+        'var numbers = <int>[1, 2, (3 + 4)];',
+        'var numbers = <int>[1, 2, (3 + 4)];'
+      );
+    });
+    
+    test('stmt (try/catch)', () {
+      expectStmtFormatsTo(
+        'try {\n'
+        'doSomething();\n'
+        '} catch (e) {\n'
+        'print(e);\n'
+        '}\n',
+        'try {\n'
+        '  doSomething();\n'
+        '} catch (e) {\n'
+        '  print(e);\n'
+        '}\n'
+      );
+    });
+    
+    
+    test('stmt (binary/ternary ops)', () {
+      expectStmtFormatsTo(
+        'var a = 1 + 2 / (3 * -b);',
+        'var a = 1 + 2 / (3 * -b);'
+      );
+      expectStmtFormatsTo(
+        'var c = !condition == a > b;',
+        'var c = !condition == a > b;'
+      );
+      expectStmtFormatsTo(
+        'var d = condition ? b : object.method(a, b, c);',
+        'var d = condition ? b : object.method(a, b, c);'
+      );
+      expectStmtFormatsTo(
+        'var d = obj is! SomeType;',
+        'var d = obj is! SomeType;'
+      );
+    });
+    
     test('initialIndent', () {
       var formatter = new CodeFormatter(
           new FormatterOptions(initialIndentationLevel: 2));
       var formattedSource = formatter.format(CodeKind.STATEMENT, 'var x;');
       expect(formattedSource, startsWith('    '));
     });
 
   });
 
 
@@ skipping 122 matching lines @@
 String formatCU(src, {options: const FormatterOptions()}) =>
     new CodeFormatter(options).format(CodeKind.COMPILATION_UNIT, src);
 
 String formatStatement(src, {options: const FormatterOptions()}) =>
     new CodeFormatter(options).format(CodeKind.STATEMENT, src);
 
 expectCUFormatsTo(src, expected) => expect(formatCU(src), equals(expected));
 
 expectStmtFormatsTo(src, expected) => expect(formatStatement(src),
     equals(expected));