Merge experimental/a64 to bleeding_edge.

test/cctest/test-js-a64-variables.cc

+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Adapted from test/mjsunit/compiler/variables.js
+
+#include <limits.h>
+
+#include "v8.h"
+
+#include "api.h"
+#include "isolate.h"
+#include "compilation-cache.h"
+#include "execution.h"
+#include "snapshot.h"
+#include "platform.h"
+#include "utils.h"
+#include "cctest.h"
+#include "parser.h"
+#include "unicode-inl.h"
+
+using ::v8::Context;
+using ::v8::Extension;
+using ::v8::Function;
+using ::v8::FunctionTemplate;
+using ::v8::Handle;
+using ::v8::HandleScope;
+using ::v8::Local;
+using ::v8::Message;
+using ::v8::MessageCallback;
+using ::v8::Object;
+using ::v8::ObjectTemplate;
+using ::v8::Persistent;
+using ::v8::Script;
+using ::v8::StackTrace;
+using ::v8::String;
+using ::v8::TryCatch;
+using ::v8::Undefined;
+using ::v8::V8;
+using ::v8::Value;
+
+static void ExpectInt32(int32_t expected, Local<Value> result) {
+  CHECK(result->IsInt32());
+  CHECK_EQ(expected, result->Int32Value());
+}
+
+
+// Global variables.
+TEST(global_variables) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  Local<Value> result = CompileRun(
+"var x = 0;"
+"function f0() { return x; }"
+"f0();");
+  ExpectInt32(0, result);
+}
+
+
+// Parameters.
+TEST(parameters) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  Local<Value> result = CompileRun(
+"function f1(x) { return x; }"
+"f1(1);");
+  ExpectInt32(1, result);
+}
+
+
+// Stack-allocated locals.
+TEST(stack_allocated_locals) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  Local<Value> result = CompileRun(
+"function f2() { var x = 2; return x; }"
+"f2();");
+  ExpectInt32(2, result);
+}
+
+
+// Context-allocated locals.  Local function forces x into f3's context.
+TEST(context_allocated_locals) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  Local<Value> result = CompileRun(
+"function f3(x) {"
+"  function g() { return x; }"
+"  return x;"
+"}"
+"f3(3);");
+  ExpectInt32(3, result);
+}
+
+
+// Local function reads x from an outer context.
+TEST(read_from_outer_context) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  Local<Value> result = CompileRun(
+"function f4(x) {"
+"  function g() { return x; }"
+"  return g();"
+"}"
+"f4(4);");
+  ExpectInt32(4, result);
+}
+
+
+// Local function reads x from an outer context.
+TEST(lookup_slots) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  Local<Value> result = CompileRun(
+"function f5(x) {"
+"  with ({}) return x;"
+"}"
+"f5(5);");
+  ExpectInt32(5, result);
+}