Raise an error when a configuration dictionary contains invalid keys....

test/configurations/invalid/gyptest-configurations.py

+#!/usr/bin/env python
+
+# Copyright (c) 2010 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Verifies build of an executable in three different configurations.
+"""
+
+import TestGyp
+
+# Keys that do not belong inside a configuration dictionary.
+invalid_configuration_keys = [
+  'actions',
+  'all_dependent_settings',
+  'configurations',
+  'dependencies',
+  'direct_dependent_settings',
+  'libraries',
+  'link_settings',
+  'sources',
+  'target_name',
+  'type',
+]
+
+test = TestGyp.TestGyp()
+
+for test_key in invalid_configuration_keys:
+  test.run_gyp('%s.gyp' % test_key, status=1, stderr=None)
+  expect = ['%s not allowed in the Debug configuration, found in target '
+            '%s.gyp:configurations#target' % (test_key, test_key)]
+  test.must_contain_all_lines(test.stderr(), expect)
+
+test.pass_test()