Implement complex switch statement (switch with continue).

tests/compiler/dart2js/kernel/switch_test.dart

Index: tests/compiler/dart2js/kernel/switch_test.dart
diff --git a/tests/compiler/dart2js/kernel/switch_test.dart b/tests/compiler/dart2js/kernel/switch_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..10bfdbfd5fc6e1223d860cdfb600172b50d5526f
--- /dev/null
+++ b/tests/compiler/dart2js/kernel/switch_test.dart
@@ -0,0 +1,184 @@
+import 'package:test/test.dart';
+
+import 'helper.dart' show check;
+
+main() {
+  test('simple switch statement', () {
+    String code = '''
+main() {
+  int x = 2;
+  switch(x) {
+    case 1:
+      print('spider');
+      break;
+    case 2:
+      print('grasshopper');
+      break;
+  }
+}''';
+    return check(code);
+  });
+
+  test('switch with default', () {
+    String code = '''
+main() {
+  int x = 5;
+  switch(x) {
+    case 1:
+      print('spider');
+      break;
+    case 2:
+      print('grasshopper');
+      break;
+    default:
+      print('ladybug');
+
+  }
+}''';
+    return check(code);
+  });
+
+/*
+  // TODO(efortuna): Uncomment. Because of patch file weirdness, the original
+  // SSA vs the Kernel version is instantiating a subclass of the
+  // FallThroughError, so it produces slightly different code. Fix that.
+  test('switch with fall through error', () {
+    String code = '''
+main() {
+  int x = 2;
+  switch(x) {
+    case 1:
+      print('spider');
+      break;
+    case 2:
+      print('grasshopper');
+    case 3:
+      print('ant');
+      break;
+    default:
+      print('ladybug');
+  }
+}''';
+    return check(code);
+  });
+*/
+  test('switch with multi-case branch', () {
+    String code = '''
+main() {
+  int x = 3;
+  switch(x) {
+    case 1:
+      print('spider');
+      break;
+    case 2:
+    case 3:
+    case 4:
+      print('grasshopper');
+      print('ant');
+      break;
+  }
+}''';
+    return check(code);
+  });
+
+  test('switch with weird fall-through end case', () {
+    String code = '''
+main() {
+    int x = 6;
+  switch(x) {
+    case 1:
+      print('spider');
+      break;
+    case 5:
+      print('beetle');
+      break;
+    case 6:
+  }
+}''';
+    return check(code);
+  });
+
+  test('switch with labeled continue', () {
+    String code = '''
+main() {
+    int x = 1;
+  switch(x) {
+    case 1:
+      print('spider');
+      continue world;
+    case 5:
+      print('beetle');
+      break;
+    world:
+    case 6:
+      print('cricket');
+      break;
+    default:
+      print('bat');
+  }
+}''';
+    return check(code);
+  });
+
+  test('switch with continue to fall through', () {
+    String code = '''
+main() {
+    int x = 1;
+  switch(x) {
+    case 1:
+      print('spider');
+      continue world;
+    world:
+    case 5:
+      print('beetle');
+      break;
+    case 6:
+      print('cricket');
+      break;
+    default:
+      print('bat');
+  }
+}''';
+    return check(code);
+  });
+
+  test('switch with continue without default case', () {
+    String code = '''
+main() {
+    int x = 1;
+  switch(x) {
+    case 1:
+      print('spider');
+      continue world;
+    world:
+    case 5:
+      print('beetle');
+      break;
+    case 6:
+      print('cricket');
+      break;
+  }
+}''';
+    return check(code);
+  });
+
+  test('switch with continue without default case', () {
+    String code = '''
+main() {
+    int x = 8;
+  switch(x) {
+    case 1:
+      print('spider');
+      continue world;
+    world:
+    case 5:
+      print('beetle');
+      break;
+    case 6:
+      print('cricket');
+      break;
+  }
+}''';
+    return check(code);
+  });
+}