[debug-wrapper] migrate some scope related tests

test/mjsunit/debug-scopes.js

-// Copyright 2011 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.
-
-// Flags: --expose-debug-as debug --allow-natives-syntax --noanalyze-environment-liveness
-// The functions used for testing backtraces. They are at the top to make the
-// testing of source line/column easier.
-
-// Get the Debug object exposed from the debug context global object.
-var Debug = debug.Debug;
-
-var test_name;
-var listener_delegate;
-var listener_called;
-var exception;
-var begin_test_count = 0;
-var end_test_count = 0;
-var break_count = 0;
-
-
-// Debug event listener which delegates.
-function listener(event, exec_state, event_data, data) {
-  try {
-    if (event == Debug.DebugEvent.Break) {
-      break_count++;
-      listener_called = true;
-      listener_delegate(exec_state);
-    }
-  } catch (e) {
-    exception = e;
-  }
-}
-
-// Add the debug event listener.
-Debug.setListener(listener);
-
-
-// Initialize for a new test.
-function BeginTest(name) {
-  test_name = name;
-  listener_delegate = null;
-  listener_called = false;
-  exception = null;
-  begin_test_count++;
-}
-
-
-// Check result of a test.
-function EndTest() {
-  assertTrue(listener_called, "listerner not called for " + test_name);
-  assertNull(exception, test_name + " / " + exception);
-  end_test_count++;
-}
-
-
-// Check that two scope are the same.
-function assertScopeMirrorEquals(scope1, scope2) {
-  assertEquals(scope1.scopeType(), scope2.scopeType());
-  assertEquals(scope1.frameIndex(), scope2.frameIndex());
-  assertEquals(scope1.scopeIndex(), scope2.scopeIndex());
-  assertPropertiesEqual(scope1.scopeObject().value(), scope2.scopeObject().value());
-}
-
-function CheckFastAllScopes(scopes, exec_state)
-{
-  var fast_all_scopes = exec_state.frame().allScopes(true);
-  var length = fast_all_scopes.length;
-  assertTrue(scopes.length >= length);
-  for (var i = 0; i < scopes.length && i < length; i++) {
-    var scope = fast_all_scopes[length - i - 1];
-    assertTrue(scope.isScope());
-    assertEquals(scopes[scopes.length - i - 1], scope.scopeType());
-  }
-}
-
-
-// Check that the scope chain contains the expected types of scopes.
-function CheckScopeChain(scopes, exec_state) {
-  var all_scopes = exec_state.frame().allScopes();
-  assertEquals(scopes.length, exec_state.frame().scopeCount());
-  assertEquals(scopes.length, all_scopes.length, "FrameMirror.allScopes length");
-  for (var i = 0; i < scopes.length; i++) {
-    var scope = exec_state.frame().scope(i);
-    assertTrue(scope.isScope());
-    assertEquals(scopes[i], scope.scopeType());
-    assertScopeMirrorEquals(all_scopes[i], scope);
-
-    // Check the global object when hitting the global scope.
-    if (scopes[i] == debug.ScopeType.Global) {
-      // Objects don't have same class (one is "global", other is "Object",
-      // so just check the properties directly.
-      assertPropertiesEqual(this, scope.scopeObject().value());
-    }
-  }
-  CheckFastAllScopes(scopes, exec_state);
-}
-
-
-// Check that the scope chain contains the expected names of scopes.
-function CheckScopeChainNames(names, exec_state) {
-  var all_scopes = exec_state.frame().allScopes();
-  assertEquals(names.length, all_scopes.length, "FrameMirror.allScopes length");
-  for (var i = 0; i < names.length; i++) {
-    var scope = exec_state.frame().scope(i);
-    assertTrue(scope.isScope());
-    assertEquals(names[i], scope.details().name())
-  }
-}
-
-
-// Check that the scope contains at least minimum_content. For functions just
-// check that there is a function.
-function CheckScopeContent(minimum_content, number, exec_state) {
-  var scope = exec_state.frame().scope(number);
-  var minimum_count = 0;
-  for (var p in minimum_content) {
-    var property_mirror = scope.scopeObject().property(p);
-    assertFalse(property_mirror.isUndefined(),
-                'property ' + p + ' not found in scope');
-    if (typeof(minimum_content[p]) === 'function') {
-      assertTrue(property_mirror.value().isFunction());
-    } else {
-      assertEquals(minimum_content[p], property_mirror.value().value(),
-                   'property ' + p + ' has unexpected value');
-    }
-    minimum_count++;
-  }
-
-  // 'arguments' and might be exposed in the local and closure scope. Just
-  // ignore this.
-  var scope_size = scope.scopeObject().properties().length;
-  if (!scope.scopeObject().property('arguments').isUndefined()) {
-    scope_size--;
-  }
-  // Ditto for 'this'.
-  if (!scope.scopeObject().property('this').isUndefined()) {
-    scope_size--;
-  }
-  // Temporary variables introduced by the parser have not been materialized.
-  assertTrue(scope.scopeObject().property('').isUndefined());
-
-  if (scope_size < minimum_count) {
-    print('Names found in scope:');
-    var names = scope.scopeObject().propertyNames();
-    for (var i = 0; i < names.length; i++) {
-      print(names[i]);
-    }
-  }
-  assertTrue(scope_size >= minimum_count);
-}
-
-// Check that the scopes have positions as expected.
-function CheckScopeChainPositions(positions, exec_state) {
-  var all_scopes = exec_state.frame().allScopes();
-  assertEquals(positions.length, all_scopes.length, "FrameMirror.allScopes length");
-  for (var i = 0; i < positions.length; i++) {
-    var scope = exec_state.frame().scope(i);
-    assertTrue(scope.isScope());
-    var position = positions[i];
-    if (!position)
-      continue;
-
-    assertEquals(position.start, scope.details().startPosition())
-    assertEquals(position.end, scope.details().endPosition())
-  }
-}
-
-// Simple empty local scope.
-BeginTest("Local 1");
-
-function local_1() {
-  debugger;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({}, 0, exec_state);
-};
-local_1();
-EndTest();
-
-
-// Local scope with a parameter.
-BeginTest("Local 2");
-
-function local_2(a) {
-  debugger;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1}, 0, exec_state);
-};
-local_2(1);
-EndTest();
-
-
-// Local scope with a parameter and a local variable.
-BeginTest("Local 3");
-
-function local_3(a) {
-  var x = 3;
-  debugger;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1,x:3}, 0, exec_state);
-};
-local_3(1);
-EndTest();
-
-
-// Local scope with parameters and local variables.
-BeginTest("Local 4");
-
-function local_4(a, b) {
-  var x = 3;
-  var y = 4;
-  debugger;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1,b:2,x:3,y:4}, 0, exec_state);
-};
-local_4(1, 2);
-EndTest();
-
-
-// Empty local scope with use of eval.
-BeginTest("Local 5");
-
-function local_5() {
-  eval('');
-  debugger;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({}, 0, exec_state);
-};
-local_5();
-EndTest();
-
-
-// Local introducing local variable using eval.
-BeginTest("Local 6");
-
-function local_6() {
-  eval('var i = 5');
-  debugger;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({i:5}, 0, exec_state);
-};
-local_6();
-EndTest();
-
-
-// Local scope with parameters, local variables and local variable introduced
-// using eval.
-BeginTest("Local 7");
-
-function local_7(a, b) {
-  var x = 3;
-  var y = 4;
-  eval('var i = 5');
-  eval('var j = 6');
-  debugger;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6}, 0, exec_state);
-};
-local_7(1, 2);
-EndTest();
-
-
-// Single empty with block.
-BeginTest("With 1");
-
-function with_1() {
-  with({}) {
-    debugger;
-  }
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({}, 0, exec_state);
-};
-with_1();
-EndTest();
-
-
-// Nested empty with blocks.
-BeginTest("With 2");
-
-function with_2() {
-  with({}) {
-    with({}) {
-      debugger;
-    }
-  }
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.With,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({}, 0, exec_state);
-  CheckScopeContent({}, 1, exec_state);
-};
-with_2();
-EndTest();
-
-
-// With block using an in-place object literal.
-BeginTest("With 3");
-
-function with_3() {
-  with({a:1,b:2}) {
-    debugger;
-  }
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1,b:2}, 0, exec_state);
-};
-with_3();
-EndTest();
-
-
-// Nested with blocks using in-place object literals.
-BeginTest("With 4");
-
-function with_4() {
-  with({a:1,b:2}) {
-    with({a:2,b:1}) {
-      debugger;
-    }
-  }
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.With,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:2,b:1}, 0, exec_state);
-  CheckScopeContent({a:1,b:2}, 1, exec_state);
-};
-with_4();
-EndTest();
-
-
-// Nested with blocks using existing object.
-BeginTest("With 5");
-
-var with_object = {c:3,d:4};
-function with_5() {
-  with(with_object) {
-    with(with_object) {
-      debugger;
-    }
-  }
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.With,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent(with_object, 0, exec_state);
-  CheckScopeContent(with_object, 1, exec_state);
-  assertEquals(exec_state.frame().scope(0).scopeObject(),
-               exec_state.frame().scope(1).scopeObject());
-  assertEquals(with_object, exec_state.frame().scope(1).scopeObject().value());
-};
-with_5();
-EndTest();
-
-
-// Nested with blocks using existing object in global code.
-BeginTest("With 6");
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.With,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent(with_object, 0, exec_state);
-  CheckScopeContent(with_object, 1, exec_state);
-  assertEquals(exec_state.frame().scope(0).scopeObject(),
-               exec_state.frame().scope(1).scopeObject());
-  assertEquals(with_object, exec_state.frame().scope(1).scopeObject().value());
-};
-
-var with_object = {c:3,d:4};
-with(with_object) {
-  with(with_object) {
-    debugger;
-  }
-}
-EndTest();
-
-
-// With block in function that is marked for optimization while being executed.
-BeginTest("With 7");
-
-function with_7() {
-  with({}) {
-    %OptimizeFunctionOnNextCall(with_7);
-    debugger;
-  }
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({}, 0, exec_state);
-};
-with_7();
-EndTest();
-
-
-// Simple closure formed by returning an inner function referering the outer
-// functions arguments.
-BeginTest("Closure 1");
-
-function closure_1(a) {
-  function f() {
-    debugger;
-    return a;
-  };
-  return f;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1}, 1, exec_state);
-  CheckScopeChainNames(["f", "closure_1", undefined, undefined], exec_state);
-};
-closure_1(1)();
-EndTest();
-
-
-// Simple closure formed by returning an inner function referering the outer
-// functions arguments. Due to VM optimizations parts of the actual closure is
-// missing from the debugger information.
-BeginTest("Closure 2");
-
-function closure_2(a, b) {
-  var x = a + 2;
-  var y = b + 2;
-  function f() {
-    debugger;
-    return a + x;
-  };
-  return f;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1,x:3}, 1, exec_state);
-  CheckScopeChainNames(["f", "closure_2", undefined, undefined], exec_state);
-};
-closure_2(1, 2)();
-EndTest();
-
-
-// Simple closure formed by returning an inner function referering the outer
-// functions arguments. Using all arguments and locals from the outer function
-// in the inner function makes these part of the debugger information on the
-// closure.
-BeginTest("Closure 3");
-
-function closure_3(a, b) {
-  var x = a + 2;
-  var y = b + 2;
-  function f() {
-    debugger;
-    return a + b + x + y;
-  };
-  return f;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1,b:2,x:3,y:4}, 1, exec_state);
-  CheckScopeChainNames(["f", "closure_3", undefined, undefined], exec_state);
-};
-closure_3(1, 2)();
-EndTest();
-
-
-
-// Simple closure formed by returning an inner function referering the outer
-// functions arguments. Using all arguments and locals from the outer function
-// in the inner function makes these part of the debugger information on the
-// closure. Use the inner function as well...
-BeginTest("Closure 4");
-
-function closure_4(a, b) {
-  var x = a + 2;
-  var y = b + 2;
-  function f() {
-    debugger;
-    if (f) {
-      return a + b + x + y;
-    }
-  };
-  return f;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1,b:2,x:3,y:4,f:function(){}}, 1, exec_state);
-  CheckScopeChainNames(["f", "closure_4", undefined, undefined], exec_state);
-};
-closure_4(1, 2)();
-EndTest();
-
-
-
-// Simple closure formed by returning an inner function referering the outer
-// functions arguments. In the presence of eval all arguments and locals
-// (including the inner function itself) from the outer function becomes part of
-// the debugger infformation on the closure.
-BeginTest("Closure 5");
-
-function closure_5(a, b) {
-  var x = 3;
-  var y = 4;
-  function f() {
-    eval('');
-    debugger;
-    return 1;
-  };
-  return f;
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1,b:2,x:3,y:4,f:function(){}}, 1, exec_state);
-  CheckScopeChainNames(["f", "closure_5", undefined, undefined], exec_state)
-};
-closure_5(1, 2)();
-EndTest();
-
-
-// Two closures. Due to optimizations only the parts actually used are provided
-// through the debugger information.
-BeginTest("Closure 6");
-function closure_6(a, b) {
-  function f(a, b) {
-    var x = 3;
-    var y = 4;
-    return function() {
-      var x = 3;
-      var y = 4;
-      debugger;
-      some_global = a;
-      return f;
-    };
-  }
-  return f(a, b);
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({a:1}, 1, exec_state);
-  CheckScopeContent({f:function(){}}, 2, exec_state);
-  CheckScopeChainNames([undefined, "f", "closure_6", undefined, undefined],
-                       exec_state);
-};
-closure_6(1, 2)();
-EndTest();
-
-
-// Two closures. In the presence of eval all information is provided as the
-// compiler cannot determine which parts are used.
-BeginTest("Closure 7");
-function closure_7(a, b) {
-  var x = 3;
-  var y = 4;
-  eval('var i = 5');
-  eval('var j = 6');
-  function f(a, b) {
-    var x = 3;
-    var y = 4;
-    eval('var i = 5');
-    eval('var j = 6');
-    return function() {
-      debugger;
-      some_global = a;
-      return f;
-    };
-  }
-  return f(a, b);
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({}, 0, exec_state);
-  CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6}, 1, exec_state);
-  CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6,f:function(){}}, 2, exec_state);
-  CheckScopeChainNames([undefined, "f", "closure_7", undefined, undefined],
-                       exec_state);
-};
-closure_7(1, 2)();
-EndTest();
-
-
-// Closure that may be optimized out.
-BeginTest("Closure 8");
-function closure_8() {
-  (function inner(x) {
-    debugger;
-  })(2);
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({x: 2}, 0, exec_state);
-  CheckScopeChainNames(["inner", undefined, undefined], exec_state);
-};
-closure_8();
-EndTest();
-
-
-BeginTest("Closure 9");
-function closure_9() {
-  eval("var y = 1;");
-  eval("var z = 1;");
-  (function inner(x) {
-    y++;
-    z++;
-    debugger;
-  })(2);
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeChainNames(["inner", "closure_9", undefined, undefined],
-                       exec_state);
-};
-closure_9();
-EndTest();
-
-
-// Test a mixture of scopes.
-BeginTest("The full monty");
-function the_full_monty(a, b) {
-  var x = 3;
-  var y = 4;
-  eval('var i = 5');
-  eval('var j = 6');
-  function f(a, b) {
-    var x = 9;
-    var y = 10;
-    eval('var i = 11');
-    eval('var j = 12');
-    with ({j:13}){
-      return function() {
-        var x = 14;
-        with ({a:15}) {
-          with ({b:16}) {
-            debugger;
-            some_global = a;
-            return f;
-          }
-        }
-      };
-    }
-  }
-  return f(a, b);
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.With,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.With,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({b:16}, 0, exec_state);
-  CheckScopeContent({a:15}, 1, exec_state);
-  CheckScopeContent({x:14}, 2, exec_state);
-  CheckScopeContent({j:13}, 3, exec_state);
-  CheckScopeContent({a:1,b:2,x:9,y:10,i:11,j:12}, 4, exec_state);
-  CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6,f:function(){}}, 5, exec_state);
-  CheckScopeChainNames([undefined, undefined, undefined, "f", "f",
-                        "the_full_monty", undefined, undefined], exec_state);
-};
-the_full_monty(1, 2)();
-EndTest();
-
-
-BeginTest("Closure inside With 1");
-function closure_in_with_1() {
-  with({x:1}) {
-    (function inner(x) {
-      debugger;
-    })(2);
-  }
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.With,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({x: 2}, 0, exec_state);
-  CheckScopeContent({x: 1}, 1, exec_state);
-};
-closure_in_with_1();
-EndTest();
-
-
-BeginTest("Closure inside With 2");
-function closure_in_with_2() {
-  with({x:1}) {
-    (function inner(x) {
-      with({x:3}) {
-        debugger;
-      }
-    })(2);
-  }
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.With,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({x: 3}, 0, exec_state);
-  CheckScopeContent({x: 2}, 1, exec_state);
-  CheckScopeContent({x: 1}, 2, exec_state);
-  CheckScopeChainNames(["inner", "inner", "closure_in_with_2",
-                        undefined, undefined], exec_state);
-};
-closure_in_with_2();
-EndTest();
-
-
-BeginTest("Closure inside With 3");
-function createClosure(a) {
-   var b = a + 1;
-   return function closure() {
-     var c = b;
-     (function inner(x) {
-       with({x:c}) {
-         debugger;
-       }
-     })(2);
-   };
-}
-
-function closure_in_with_3() {
-  var f = createClosure(0);
-  f();
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeChainNames(["inner", "inner", "closure", "createClosure",
-                        undefined, undefined], exec_state);
-}
-closure_in_with_3();
-EndTest();
-
-
-BeginTest("Closure inside With 4");
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.With,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({x: 2}, 0, exec_state);
-  CheckScopeContent({x: 1}, 1, exec_state);
-  CheckScopeChainNames([undefined, undefined, undefined, undefined],
-                       exec_state);
-};
-
-with({x:1}) {
-  (function(x) {
-    debugger;
-  })(2);
-}
-EndTest();
-
-
-// Test global scope.
-BeginTest("Global");
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Script, debug.ScopeType.Global],
-                  exec_state);
-  CheckScopeChainNames([undefined, undefined], exec_state);
-};
-debugger;
-EndTest();
-
-
-BeginTest("Catch block 1");
-function catch_block_1() {
-  try {
-    throw 'Exception';
-  } catch (e) {
-    debugger;
-  }
-};
-
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Catch,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({e:'Exception'}, 0, exec_state);
-  CheckScopeChainNames(["catch_block_1", "catch_block_1",
-                        undefined, undefined], exec_state);
-};
-catch_block_1();
-EndTest();
-
-
-BeginTest("Catch block 2");
-function catch_block_2() {
-  try {
-    throw 'Exception';
-  } catch (e) {
-    with({n:10}) {
-      debugger;
-    }
-  }
-};
-
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.Catch,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({n:10}, 0, exec_state);
-  CheckScopeContent({e:'Exception'}, 1, exec_state);
-  CheckScopeChainNames(["catch_block_2", "catch_block_2", "catch_block_2",
-                        undefined, undefined], exec_state);
-};
-catch_block_2();
-EndTest();
-
-
-BeginTest("Catch block 3");
-function catch_block_3() {
-  // Do eval to dynamically declare a local variable so that the context's
-  // extension slot is initialized with JSContextExtensionObject.
-  eval("var y = 78;");
-  try {
-    throw 'Exception';
-  } catch (e) {
-    debugger;
-  }
-};
-
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Catch,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({e:'Exception'}, 0, exec_state);
-  CheckScopeContent({y:78}, 1, exec_state);
-  CheckScopeChainNames(["catch_block_3", "catch_block_3",
-                        undefined, undefined], exec_state);
-};
-catch_block_3();
-EndTest();
-
-
-BeginTest("Catch block 4");
-function catch_block_4() {
-  // Do eval to dynamically declare a local variable so that the context's
-  // extension slot is initialized with JSContextExtensionObject.
-  eval("var y = 98;");
-  try {
-    throw 'Exception';
-  } catch (e) {
-    with({n:10}) {
-      debugger;
-    }
-  }
-};
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.With,
-                   debug.ScopeType.Catch,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({n:10}, 0, exec_state);
-  CheckScopeContent({e:'Exception'}, 1, exec_state);
-  CheckScopeContent({y:98}, 2, exec_state);
-  CheckScopeChainNames(["catch_block_4", "catch_block_4", "catch_block_4",
-                        undefined, undefined], exec_state);
-};
-catch_block_4();
-EndTest();
-
-
-// Test catch in global scope.
-BeginTest("Catch block 5");
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Catch,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({e:'Exception'}, 0, exec_state);
-  CheckScopeChainNames([undefined, undefined, undefined], exec_state);
-};
-
-try {
-  throw 'Exception';
-} catch (e) {
-  debugger;
-}
-
-EndTest();
-
-
-// Closure inside catch in global code.
-BeginTest("Catch block 6");
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Catch,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({x: 2}, 0, exec_state);
-  CheckScopeContent({e:'Exception'}, 1, exec_state);
-  CheckScopeChainNames([undefined, undefined, undefined, undefined],
-                       exec_state);
-};
-
-try {
-  throw 'Exception';
-} catch (e) {
-  (function(x) {
-    debugger;
-  })(2);
-}
-EndTest();
-
-
-// Catch block in function that is marked for optimization while being executed.
-BeginTest("Catch block 7");
-function catch_block_7() {
-  %OptimizeFunctionOnNextCall(catch_block_7);
-  try {
-    throw 'Exception';
-  } catch (e) {
-    debugger;
-  }
-};
-
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Catch,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({e:'Exception'}, 0, exec_state);
-  CheckScopeChainNames(["catch_block_7", "catch_block_7",
-                        undefined, undefined], exec_state);
-};
-catch_block_7();
-EndTest();
-
-
-BeginTest("Classes and methods 1");
-
-listener_delegate = function(exec_state) {
-  "use strict"
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({}, 1, exec_state);
-  CheckScopeChainNames(["m", undefined, undefined], exec_state);
-};
-
-(function() {
-  "use strict";
-  class C1 {
-    m() {
-      debugger;
-    }
-  }
-  new C1().m();
-})();
-
-EndTest();
-
-BeginTest("Scope positions");
-var code1 = "function f() {        \n" +
-            "  var a = 1;          \n" +
-            "  function b() {      \n" +
-            "    debugger;         \n" +
-            "    return a + 1;     \n" +
-            "  }                   \n" +
-            "  b();                \n" +
-            "}                     \n" +
-            "f();                  \n";
-
-listener_delegate = function(exec_state) {
-  CheckScopeChainPositions(
-      [{start: 58, end: 118}, {start: 10, end: 162}, {}, {}], exec_state);
-}
-eval(code1);
-EndTest();
-
-
-function catch_block_2() {
-  try {
-    throw 'Exception';
-  } catch (e) {
-    with({n:10}) {
-      debugger;
-    }
-  }
-};
-
-BeginTest("Scope positions in catch and 'with' statement");
-var code2 = "function catch_block() {   \n" +
-            "  try {                    \n" +
-            "    throw 'Exception';     \n" +
-            "  } catch (e) {            \n" +
-            "    with({n : 10}) {       \n" +
-            "      debugger;            \n" +
-            "    }                      \n" +
-            "  }                        \n" +
-            "}                          \n" +
-            "catch_block();             \n";
-
-listener_delegate = function(exec_state) {
-  CheckScopeChainPositions([{start: 131, end: 173},
-                            {start: 94, end: 199},
-                            {start: 20, end: 225},
-                            {}, {}], exec_state);
-}
-eval(code2);
-EndTest();
-
-BeginTest("Scope positions in for statement");
-var code3 = "function for_statement() {         \n" +
-            "  for (let i = 0; i < 1; i++) {    \n" +
-            "    debugger;                      \n" +
-            "  }                                \n" +
-            "}                                  \n" +
-            "for_statement();                   \n";
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Block,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeChainPositions(
-      [{start: 52, end: 111}, {start: 22, end: 145}, {}, {}], exec_state);
-}
-eval(code3);
-EndTest();
-
-BeginTest("Scope positions in for statement with lexical block");
-var code4 = "function for_statement() {         \n" +
-            "  for (let i = 0; i < 1; i++) {    \n" +
-            "    let j;                         \n" +
-            "    debugger;                      \n" +
-            "  }                                \n" +
-            "}                                  \n" +
-            "for_statement();                   \n";
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Block,
-                   debug.ScopeType.Block,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeChainPositions([{start: 66, end: 147},
-                            {start: 52, end: 147},
-                            {start: 22, end: 181},
-                            {}, {}], exec_state);
-}
-eval(code4);
-EndTest();
-
-BeginTest("Scope positions in lexical for each statement");
-var code5 = "function for_each_statement() {    \n" +
-            "  for (let i of [0]) {             \n" +
-            "    debugger;                      \n" +
-            "  }                                \n" +
-            "}                                  \n" +
-            "for_each_statement();              \n";
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Block,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeChainPositions(
-      [{start: 55, end: 111}, {start: 27, end: 145}, {}, {}], exec_state);
-}
-eval(code5);
-EndTest();
-
-BeginTest("Scope positions in lexical for each statement with lexical block");
-var code6 = "function for_each_statement() {    \n" +
-            "  for (let i of [0]) {             \n" +
-            "    let j;                         \n" +
-            "    debugger;                      \n" +
-            "  }                                \n" +
-            "}                                  \n" +
-            "for_each_statement();              \n";
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Block,
-                   debug.ScopeType.Block,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeChainPositions([{start: 57, end: 147},
-                            {start: 55, end: 147},
-                            {start: 27, end: 181},
-                            {}, {}], exec_state);
-}
-eval(code6);
-EndTest();
-
-BeginTest("Scope positions in non-lexical for each statement");
-var code7 = "function for_each_statement() {    \n" +
-            "  var i;                           \n" +
-            "  for (i of [0]) {                 \n" +
-            "    debugger;                      \n" +
-            "  }                                \n" +
-            "}                                  \n" +
-            "for_each_statement();              \n";
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeChainPositions([{start: 27, end: 181}, {}, {}], exec_state);
-}
-eval(code7);
-EndTest();
-
-BeginTest(
-    "Scope positions in non-lexical for each statement with lexical block");
-var code8 = "function for_each_statement() {    \n" +
-            "  var i;                           \n" +
-            "  for (i of [0]) {                 \n" +
-            "    let j;                         \n" +
-            "    debugger;                      \n" +
-            "  }                                \n" +
-            "}                                  \n" +
-            "for_each_statement();              \n";
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Block,
-                   debug.ScopeType.Local,
-                   debug.ScopeType.Script,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeChainPositions(
-      [{start: 89, end: 183}, {start: 27, end: 217}, {}, {}], exec_state);
-}
-eval(code8);
-EndTest();
-
-assertEquals(begin_test_count, break_count,
-             'one or more tests did not enter the debugger');
-assertEquals(begin_test_count, end_test_count,
-             'one or more tests did not have its result checked');