[strong] Check constructor returns

test/cctest/test-parsing.cc

Index: test/cctest/test-parsing.cc
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index dd328359a1c28b94724904f7aa061ce6392ffb35..2e5019fd13b6e8469ace2e37c5182c6f6bf42aaa 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -5608,6 +5608,32 @@ TEST(StrongSuperCalls) {
 }
 
 
+TEST(StrongConstructorReturns) {
+  const char* sloppy_context_data[][2] = {{"", ""}, {NULL}};
+  const char* strict_context_data[][2] = {{"'use strict';", ""}, {NULL}};
+  const char* strong_context_data[][2] = {{"'use strong';", ""}, {NULL}};
+
+  const char* data[] = {
+      "class C extends Object { constructor() { super(); return {}; } }",
+      "class C extends Object { constructor() { super(); { return {}; } } }",
+      "class C extends Object { constructor() { super(); if (1) return {}; } }",
+      "class C extends Object { constructor() { return; super(); } }",
+      "class C extends Object { constructor() { { return; } super(); } }",
+      "class C extends Object { constructor() { if (0) return; super(); } }",
+      NULL};
+
+  static const ParserFlag always_flags[] = {
+      kAllowStrongMode, kAllowHarmonyClasses, kAllowHarmonyObjectLiterals
+  };
+  RunParserSyncTest(sloppy_context_data, data, kError, NULL, 0, always_flags,
+                    arraysize(always_flags));
+  RunParserSyncTest(strict_context_data, data, kSuccess, NULL, 0, always_flags,
+                    arraysize(always_flags));
+  RunParserSyncTest(strong_context_data, data, kError, NULL, 0, always_flags,

[Dmitry Lomov (no reviews), 2015/03/19 13:59:41]

Please add positive tests for strong mode:
 'constructor() { super(); if (x) return; ... }' 
etc

[rossberg, 2015/03/19 16:02:57]

We don't have any 'positive' strong mode tests at all, so far. We need to think
about a proper way of ensuring those, but that's also for separate CL.

+                    arraysize(always_flags));
+}
+
+
 TEST(ArrowFunctionASIErrors) {
   const char* context_data[][2] = {{"'use strict';", ""}, {"", ""},
                                    {NULL, NULL}};