[debug-wrapper] migrate some scope related tests

test/mjsunit/bugs/harmony/debug-blockscopes.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
-// 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.
-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;
-    print(e + e.stack);
-  }
-}
-
-// 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);
-  end_test_count++;
-}
-
-
-// Check that the scope chain contains the expected types of scopes.
-function CheckScopeChain(scopes, exec_state) {
-  assertEquals(scopes.length, exec_state.frame().scopeCount());
-  for (var i = 0; i < scopes.length; i++) {
-    var scope = exec_state.frame().scope(i);
-    assertTrue(scope.isScope());
-    assertEquals(scopes[i], scope.scopeType());
-
-    // 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());
-    }
-  }
-}
-
-// Check that the content of the scope is as expected. For functions just check
-// that there is a function.
-function CheckScopeContent(content, number, exec_state) {
-  var scope = exec_state.frame().scope(number);
-  var count = 0;
-  for (var p in content) {
-    var property_mirror = scope.scopeObject().property(p);
-    if (property_mirror.isUndefined()) {
-      print('property ' + p + ' not found in scope');
-    }
-    assertFalse(property_mirror.isUndefined(),
-                'property ' + p + ' not found in scope');
-    if (typeof(content[p]) === 'function') {
-      assertTrue(property_mirror.value().isFunction());
-    } else {
-      assertEquals(content[p], property_mirror.value().value(),
-                   'property ' + p + ' has unexpected value');
-    }
-    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--;
-  }
-  // Skip property with empty name.
-  if (!scope.scopeObject().property('').isUndefined()) {
-    scope_size--;
-  }
-
-  if (count != scope_size) {
-    print('Names found in scope:');
-    var names = scope.scopeObject().propertyNames();
-    for (var i = 0; i < names.length; i++) {
-      print(names[i]);
-    }
-  }
-  assertEquals(count, scope_size);
-}
-
-
-// Simple closure formed by returning an inner function referering to an outer
-// block local variable and an outer function's parameter. Due to VM
-// optimizations parts of the actual closure is missing from the debugger
-// information.
-BeginTest("Closure 1");
-
-function closure_1(a) {
-  var x = 2;
-  let y = 3;
-  if (true) {
-    let z = 4;
-    function f() {
-      debugger;
-      return a + x + y + z;
-    };
-    return f;
-  }
-}
-
-listener_delegate = function(exec_state) {
-  CheckScopeChain([debug.ScopeType.Local,
-                   debug.ScopeType.Block,
-                   debug.ScopeType.Closure,
-                   debug.ScopeType.Global], exec_state);
-  CheckScopeContent({}, 0, exec_state);
-  CheckScopeContent({z:4}, 1, exec_state);
-  CheckScopeContent({a:1,x:2,y:3}, 2, exec_state);
-};
-closure_1(1)();
-EndTest();