Add persistent GWP-ASan sysprops.
Adds persistent sysprops for test infra usage, and adds the tests for
the sysprops.
The test does some fancy flocking in order to restore any existing
GWP-ASan sysprop usage in the test cleanup.
Bug: 236738714
Test: atest bionic-unit-tests
Change-Id: I8956296d39c98ce8c7dd0a703b240530d8ad48db
diff --git a/tests/utils.cpp b/tests/utils.cpp
new file mode 100644
index 0000000..8258833
--- /dev/null
+++ b/tests/utils.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * 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.
+ *
+ * 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.
+ */
+
+#include "utils.h"
+
+void RunGwpAsanTest(const char* test_name) {
+ ExecTestHelper eh;
+ eh.SetEnv({"GWP_ASAN_SAMPLE_RATE=1", "GWP_ASAN_PROCESS_SAMPLING=1", "GWP_ASAN_MAX_ALLOCS=40000",
+ nullptr});
+ std::string filter_arg = "--gtest_filter=";
+ filter_arg += test_name;
+ std::string exec(testing::internal::GetArgvs()[0]);
+ eh.SetArgs({exec.c_str(), "--gtest_also_run_disabled_tests", filter_arg.c_str(), nullptr});
+ eh.Run([&]() { execve(exec.c_str(), eh.GetArgs(), eh.GetEnv()); },
+ /* expected_exit_status */ 0,
+ // |expected_output_regex|, ensure at least one test ran:
+ R"(\[ PASSED \] [1-9][0-9]* test)");
+}
+
+void RunSubtestNoEnv(const char* test_name) {
+ ExecTestHelper eh;
+ std::string filter_arg = "--gtest_filter=";
+ filter_arg += test_name;
+ std::string exec(testing::internal::GetArgvs()[0]);
+ eh.SetArgs({exec.c_str(), "--gtest_also_run_disabled_tests", filter_arg.c_str(), nullptr});
+ eh.Run([&]() { execve(exec.c_str(), eh.GetArgs(), eh.GetEnv()); },
+ /* expected_exit_status */ 0,
+ // |expected_output_regex|, ensure at least one test ran:
+ R"(\[ PASSED \] [1-9]+0? test)");
+}