Enable ES6 Map and Set by default

test/mjsunit/harmony/debug-stepin-collections-foreach.js

-// Copyright 2014 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: --expose-debug-as debug --harmony-collections
-
-Debug = debug.Debug
-
-var exception = false;
-
-function listener(event, exec_state, event_data, data) {
-  try {
-    if (event == Debug.DebugEvent.Break) {
-      if (breaks == 0) {
-        exec_state.prepareStep(Debug.StepAction.StepIn, 2);
-        breaks = 1;
-      } else if (breaks <= 3) {
-        breaks++;
-        // Check whether we break at the expected line.
-        print(event_data.sourceLineText());
-        assertTrue(event_data.sourceLineText().indexOf("Expected to step") > 0);
-        exec_state.prepareStep(Debug.StepAction.StepIn, 3);
-      }
-    }
-  } catch (e) {
-    exception = true;
-  }
-}
-
-function cb_set(num) {
-  print("element " + num);  // Expected to step to this point.
-  return true;
-}
-
-function cb_map(key, val) {
-  print("key " + key + ", value " + val);  // Expected to step to this point.
-  return true;
-}
-
-var s = new Set();
-s.add(1);
-s.add(2);
-s.add(3);
-s.add(4);
-
-var m = new Map();
-m.set('foo', 1);
-m.set('bar', 2);
-m.set('baz', 3);
-m.set('bat', 4);
-
-Debug.setListener(listener);
-
-var breaks = 0;
-debugger;
-s.forEach(cb_set);
-assertFalse(exception);
-assertEquals(4, breaks);
-
-breaks = 0;
-debugger;
-m.forEach(cb_map);
-assertFalse(exception);
-assertEquals(4, breaks);
-
-Debug.setListener(null);
-
-
-// Test two levels of builtin callbacks:
-// Array.forEach calls a callback function, which by itself uses
-// Array.forEach with another callback function.
-
-function second_level_listener(event, exec_state, event_data, data) {
-  try {
-    if (event == Debug.DebugEvent.Break) {
-      if (breaks == 0) {
-        exec_state.prepareStep(Debug.StepAction.StepIn, 3);
-        breaks = 1;
-      } else if (breaks <= 16) {
-        breaks++;
-        // Check whether we break at the expected line.
-        assertTrue(event_data.sourceLineText().indexOf("Expected to step") > 0);
-        // Step two steps further every four breaks to skip the
-        // forEach call in the first level of recurision.
-        var step = (breaks % 4 == 1) ? 6 : 3;
-        exec_state.prepareStep(Debug.StepAction.StepIn, step);
-      }
-    }
-  } catch (e) {
-    exception = true;
-  }
-}
-
-function cb_set_foreach(num) {
-  s.forEach(cb_set);
-  print("back to the first level of recursion.");
-}
-
-function cb_map_foreach(key, val) {
-  m.forEach(cb_set);
-  print("back to the first level of recursion.");
-}
-
-Debug.setListener(second_level_listener);
-
-breaks = 0;
-debugger;
-s.forEach(cb_set_foreach);
-assertFalse(exception);
-assertEquals(17, breaks);
-
-breaks = 0;
-debugger;
-m.forEach(cb_map_foreach);
-assertFalse(exception);
-assertEquals(17, breaks);
-
-Debug.setListener(null);