Revert of [debugger] Migrate more debugger tests to inspector

test/mjsunit/for-in-opt.js

+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --expose-debug-as debug
+
+"use strict";
+
+// Test non-JSObject receiver.
+function f(o) {
+  var result = [];
+  for (var i in o) {
+    result.push(i);
+  }
+  return result;
+}
+
+assertEquals(["0"], f("a"));
+assertEquals(["0"], f("a"));
+
+%OptimizeFunctionOnNextCall(f);
+assertEquals(["0","1","2"], f("bla"));
+
+// Test the lazy deopt points.
+var keys = ["a", "b", "c", "d"];
+var property_descriptor_keys = [];
+var deopt_enum = false;
+var deopt_property_descriptor = false;
+
+var handler = {
+  ownKeys() {
+    if (deopt_enum) {
+      %DeoptimizeFunction(f2);
+      deopt_enum = false;
+    }
+    return keys;
+  },
+  getOwnPropertyDescriptor(target, k) {
+    if (deopt_property_descriptor) {
+      %DeoptimizeFunction(f2);
+      deopt_property_descriptor = false;
+    }
+    property_descriptor_keys.push(k);
+    return { enumerable: true, configurable: true }
+  },
+};
+
+
+var proxy = new Proxy({}, handler);
+var o = {__proto__: proxy};
+
+function f2(o) {
+  var result = [];
+  for (var i in o) {
+    result.push(i);
+  }
+  return result;
+}
+
+function check_f2() {
+  assertEquals(keys, f2(o));
+  assertEquals(keys, property_descriptor_keys);
+  property_descriptor_keys.length = 0;
+}
+
+check_f2();
+check_f2();
+
+// Test lazy deopt after ForInEnumerate
+%OptimizeFunctionOnNextCall(f2);
+deopt_enum = true;
+check_f2();
+
+// Test lazy deopt after FILTER_KEY
+%OptimizeFunctionOnNextCall(f2);
+deopt_property_descriptor = true;
+check_f2();
+
+
+function f3(o) {
+  for (var i in o) {
+  }
+}
+
+f3({__proto__:{x:1}});
+f3({__proto__:{x:1}});
+
+%OptimizeFunctionOnNextCall(f3);
+f3(undefined);
+f3(null);
+
+// Reliable repro for an issue previously flushed out by GC stress.
+var p = {x: "x"}
+
+function f4(o, p) {
+  var result = [];
+  for (var i in o) {
+    var j = p.x + "str";
+    result.push(i);
+  }
+  return result;
+}
+
+function check_f4() {
+  assertEquals(keys, f4(o, p));
+  assertEquals(keys, property_descriptor_keys);
+  property_descriptor_keys.length = 0;
+}
+
+check_f4();
+check_f4();
+
+%OptimizeFunctionOnNextCall(f4);
+
+p.y = "y";  // Change map, cause eager deopt.
+check_f4();
+
+// Repro for Turbofan equivalent.
+var x;
+var count = 0;
+
+var Debug = debug.Debug;
+
+function listener(event, exec_state, event_data, data) {
+  if (event == Debug.DebugEvent.Break) {
+    %DeoptimizeFunction(f5);
+  }
+}
+
+var handler3 = {
+  ownKeys() { return ["a", "b"] },
+  getOwnPropertyDescriptor(target, k) {
+    if (k == "a") count++;
+    if (x) %ScheduleBreak()
+    return { enumerable: true, configurable: true }
+  }
+};
+
+var proxy3 = new Proxy({}, handler3);
+var o3 = {__proto__: proxy3};
+
+function f5() {
+  for (var p in o3) {
+    print(p);
+  }
+}
+
+x = false;
+
+f5(); f5(); f5();
+%OptimizeFunctionOnNextCall(f5);
+x = true;
+count = 0;
+Debug.setListener(listener);
+f5();
+Debug.setListener(null);
+assertEquals(1, count);