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authordsinclair <dsinclair@chromium.org>2016-04-20 07:32:39 -0700
committerCommit bot <commit-bot@chromium.org>2016-04-20 07:32:39 -0700
commit685bb88433b7520946e30a1e520d37bfc2288151 (patch)
treefbcb1fdc49cdc27d5bf064915513717cb8e11f14 /testing/multiprocess_func_list.h
parentf5a1ee807d74b28917d5c2377c4ece611883bcd1 (diff)
downloadpdfium-685bb88433b7520946e30a1e520d37bfc2288151.tar.xz
Standalone GN build.
This CL setups up a standalone GN build. You'll need to set gn args similar to: use_goma = true clang_use_chrome_plugins = false pdf_enable_xfa = true pdf_enable_v8 = true pdf_is_standalone = true The third_party/pymock files are needed to make git cl upload work correctly. BUG=pdfium:106 Review URL: https://codereview.chromium.org/1904563002
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+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef TESTING_MULTIPROCESS_FUNC_LIST_H_
+#define TESTING_MULTIPROCESS_FUNC_LIST_H_
+
+#include <string>
+
+// This file provides the plumbing to register functions to be executed
+// as the main function of a child process in a multi-process test.
+// This complements the MultiProcessTest class which provides facilities
+// for launching such tests.
+//
+// The MULTIPROCESS_TEST_MAIN() macro registers a string -> func_ptr mapping
+// by creating a new global instance of the AppendMultiProcessTest() class
+// this means that by the time that we reach our main() function the mapping
+// is already in place.
+//
+// Example usage:
+// MULTIPROCESS_TEST_MAIN(a_test_func) {
+// // Code here runs in a child process.
+// return 0;
+// }
+//
+// The prototype of a_test_func is implicitly
+// int test_main_func_name();
+
+namespace multi_process_function_list {
+
+// Type for child process main functions.
+typedef int (*TestMainFunctionPtr)();
+
+// Type for child setup functions.
+typedef void (*SetupFunctionPtr)();
+
+// Helper class to append a test function to the global mapping.
+// Used by the MULTIPROCESS_TEST_MAIN macro.
+class AppendMultiProcessTest {
+ public:
+ // |main_func_ptr| is the main function that is run in the child process.
+ // |setup_func_ptr| is a function run when the global mapping is added.
+ AppendMultiProcessTest(std::string test_name,
+ TestMainFunctionPtr main_func_ptr,
+ SetupFunctionPtr setup_func_ptr);
+};
+
+// Invoke the main function of a test previously registered with
+// MULTIPROCESS_TEST_MAIN()
+int InvokeChildProcessTest(std::string test_name);
+
+// This macro creates a global MultiProcessTest::AppendMultiProcessTest object
+// whose constructor does the work of adding the global mapping.
+#define MULTIPROCESS_TEST_MAIN(test_main) \
+ MULTIPROCESS_TEST_MAIN_WITH_SETUP(test_main, NULL)
+
+// Same as above but lets callers specify a setup method that is run in the
+// child process, just before the main function is run. This facilitates
+// adding a generic one-time setup function for multiple tests.
+#define MULTIPROCESS_TEST_MAIN_WITH_SETUP(test_main, test_setup) \
+ int test_main(); \
+ namespace { \
+ multi_process_function_list::AppendMultiProcessTest \
+ AddMultiProcessTest##_##test_main(#test_main, \
+ (test_main), \
+ (test_setup)); \
+ } \
+ int test_main()
+
+} // namespace multi_process_function_list
+
+#endif // TESTING_MULTIPROCESS_FUNC_LIST_H_