Remove support for Object.observe

test/cctest/test-microtask-delivery.cc

-// Copyright 2012 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.
-
-#include "src/v8.h"
-
-#include "test/cctest/cctest.h"
-
-namespace i = v8::internal;
-
-namespace {
-class HarmonyIsolate {
- public:
-  HarmonyIsolate() {
-    v8::Isolate::CreateParams create_params;
-    create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
-    isolate_ = v8::Isolate::New(create_params);
-    isolate_->Enter();
-  }
-
-  ~HarmonyIsolate() {
-    isolate_->Exit();
-    isolate_->Dispose();
-  }
-
-  v8::Isolate* GetIsolate() const { return isolate_; }
-
- private:
-  v8::Isolate* isolate_;
-};
-}  // namespace
-
-
-TEST(MicrotaskDeliverySimple) {
-  i::FLAG_harmony_object_observe = true;
-  HarmonyIsolate isolate;
-  v8::HandleScope scope(isolate.GetIsolate());
-  LocalContext context(isolate.GetIsolate());
-  CompileRun(
-      "var ordering = [];"
-      "var resolver = {};"
-      "function handler(resolve) { resolver.resolve = resolve; }"
-      "var obj = {};"
-      "var observeOrders = [1, 4];"
-      "function observer() {"
-        "ordering.push(observeOrders.shift());"
-        "resolver.resolve();"
-      "}"
-      "var p = new Promise(handler);"
-      "p.then(function() {"
-        "ordering.push(2);"
-      "}).then(function() {"
-        "ordering.push(3);"
-        "obj.id++;"
-        "return new Promise(handler);"
-      "}).then(function() {"
-        "ordering.push(5);"
-      "}).then(function() {"
-        "ordering.push(6);"
-      "});"
-      "Object.observe(obj, observer);"
-      "obj.id = 1;");
-  CHECK_EQ(
-      6, CompileRun("ordering.length")->Int32Value(context.local()).FromJust());
-  CHECK_EQ(1,
-           CompileRun("ordering[0]")->Int32Value(context.local()).FromJust());
-  CHECK_EQ(2,
-           CompileRun("ordering[1]")->Int32Value(context.local()).FromJust());
-  CHECK_EQ(3,
-           CompileRun("ordering[2]")->Int32Value(context.local()).FromJust());
-  CHECK_EQ(4,
-           CompileRun("ordering[3]")->Int32Value(context.local()).FromJust());
-  CHECK_EQ(5,
-           CompileRun("ordering[4]")->Int32Value(context.local()).FromJust());
-  CHECK_EQ(6,
-           CompileRun("ordering[5]")->Int32Value(context.local()).FromJust());
-}
-
-
-TEST(MicrotaskPerIsolateState) {
-  i::FLAG_harmony_object_observe = true;
-  HarmonyIsolate isolate;
-  v8::HandleScope scope(isolate.GetIsolate());
-  LocalContext context1(isolate.GetIsolate());
-  isolate.GetIsolate()->SetMicrotasksPolicy(v8::MicrotasksPolicy::kExplicit);
-  CompileRun(
-      "var obj = { calls: 0 };");
-  v8::Local<v8::Value> obj = CompileRun("obj");
-  {
-    LocalContext context2(isolate.GetIsolate());
-    context2->Global()
-        ->Set(context2.local(),
-              v8::String::NewFromUtf8(isolate.GetIsolate(), "obj",
-                                      v8::NewStringType::kNormal)
-                  .ToLocalChecked(),
-              obj)
-        .FromJust();
-    CompileRun(
-        "var resolver = {};"
-        "new Promise(function(resolve) {"
-          "resolver.resolve = resolve;"
-        "}).then(function() {"
-          "obj.calls++;"
-        "});"
-        "(function() {"
-          "resolver.resolve();"
-        "})();");
-  }
-  {
-    LocalContext context3(isolate.GetIsolate());
-    context3->Global()
-        ->Set(context3.local(),
-              v8::String::NewFromUtf8(isolate.GetIsolate(), "obj",
-                                      v8::NewStringType::kNormal)
-                  .ToLocalChecked(),
-              obj)
-        .FromJust();
-    CompileRun(
-        "var foo = { id: 1 };"
-        "Object.observe(foo, function() {"
-          "obj.calls++;"
-        "});"
-        "foo.id++;");
-  }
-  {
-    LocalContext context4(isolate.GetIsolate());
-    context4->Global()
-        ->Set(context4.local(),
-              v8::String::NewFromUtf8(isolate.GetIsolate(), "obj",
-                                      v8::NewStringType::kNormal)
-                  .ToLocalChecked(),
-              obj)
-        .FromJust();
-    isolate.GetIsolate()->RunMicrotasks();
-    CHECK_EQ(2,
-             CompileRun("obj.calls")->Int32Value(context4.local()).FromJust());
-  }
-}