harmony_scoping: Implement lexical bindings at top level

test/cctest/test-decls.cc

Index: test/cctest/test-decls.cc
diff --git a/test/cctest/test-decls.cc b/test/cctest/test-decls.cc
index f2ccdab6c0162f9b70924759dbfa80f576c80590..23ebd7fc2d2fb59fca3fa7a1c50ae9a2300de290 100644
--- a/test/cctest/test-decls.cc
+++ b/test/cctest/test-decls.cc
@@ -644,6 +644,46 @@ TEST(CrossScriptReferences) {
 }
 
 
+TEST(CrossScriptReferences_Simple) {
+  i::FLAG_harmony_scoping = true;
+  i::FLAG_use_strict = true;
+
+  v8::Isolate* isolate = CcTest::isolate();
+  HandleScope scope(isolate);
+
+  {
+    SimpleContext context;
+    context.Check("let x = 1; x", EXPECT_RESULT, Number::New(isolate, 1));
+    context.Check("let x = 5; x", EXPECT_EXCEPTION);
+  }
+}
+
+
+TEST(CrossScriptReferences_Simple2) {
+  i::FLAG_harmony_scoping = true;
+  i::FLAG_use_strict = true;
+
+  v8::Isolate* isolate = CcTest::isolate();
+  HandleScope scope(isolate);
+
+  for (int k = 0; k < 100; k++) {
+    SimpleContext context;
+    bool cond = (k % 2) == 0;
+    if (cond) {
+      printf("First!\n");
+      context.Check("let x = 1; x", EXPECT_RESULT, Number::New(isolate, 1));
+      context.Check("let z = 4; z", EXPECT_RESULT, Number::New(isolate, 4));
+    } else {
+      printf("Second!\n");
+      context.Check("let z = 1; z", EXPECT_RESULT, Number::New(isolate, 1));
+      context.Check("let x = 4; x", EXPECT_RESULT, Number::New(isolate, 4));
+    }
+    context.Check("let y = 2; x", EXPECT_RESULT,
+                  Number::New(isolate, cond ? 1 : 4));
+  }
+}
+
+
 TEST(CrossScriptReferencesHarmony) {
   i::FLAG_use_strict = true;
   i::FLAG_harmony_scoping = true;
@@ -740,9 +780,8 @@ TEST(CrossScriptDynamicLookup) {
         EXPECT_RESULT, Number::New(CcTest::isolate(), 1));
     context.Check(
         "'use strict';"
-        "g({});"
-        "x",
-        EXPECT_RESULT, Number::New(CcTest::isolate(), 15));
+        "g({});0",
+        EXPECT_RESULT, Number::New(CcTest::isolate(), 0));
     context.Check("f({})", EXPECT_RESULT, Number::New(CcTest::isolate(), 15));
     context.Check("h({})", EXPECT_RESULT, number_string);
   }