bionic: add tests for properties
(cherry picked from commit 37d9f75dde881a0ba1c1b3253b1be19d4096963d)
Change-Id: Iac00ce10a4272032a1cbdbc4204277d6876e3365
diff --git a/tests/Android.mk b/tests/Android.mk
index 875746d..c65d20c 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -31,6 +31,7 @@
benchmark_src_files = \
benchmark_main.cpp \
math_benchmark.cpp \
+ property_benchmark.cpp \
string_benchmark.cpp \
time_benchmark.cpp \
@@ -78,6 +79,7 @@
string_test.cpp \
strings_test.cpp \
stubs_test.cpp \
+ system_properties_test.cpp \
time_test.cpp \
unistd_test.cpp \
diff --git a/tests/property_benchmark.cpp b/tests/property_benchmark.cpp
new file mode 100644
index 0000000..dbd11ad
--- /dev/null
+++ b/tests/property_benchmark.cpp
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "benchmark.h"
+
+#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
+#include <sys/_system_properties.h>
+
+#include <vector>
+
+extern void *__system_property_area__;
+
+#define TEST_NUM_PROPS \
+ Arg(1)->Arg(4)->Arg(16)->Arg(64)->Arg(128)->Arg(247)
+
+struct LocalPropertyTestState {
+ LocalPropertyTestState(int nprops) : nprops(nprops) {
+ static const char prop_name_chars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-_";
+ old_pa = __system_property_area__;
+ pa = malloc(PA_SIZE);
+ __system_property_area_init(pa);
+
+ names = new char* [nprops];
+ name_lens = new int[nprops];
+ values = new char* [nprops];
+ value_lens = new int[nprops];
+
+ srandom(nprops);
+
+ for (int i = 0; i < nprops; i++) {
+ name_lens[i] = random() % PROP_NAME_MAX;
+ names[i] = new char[PROP_NAME_MAX + 1];
+ for (int j = 0; j < name_lens[i]; j++) {
+ names[i][j] = prop_name_chars[random() % (sizeof(prop_name_chars) - 1)];
+ }
+ names[i][name_lens[i]] = 0;
+ value_lens[i] = random() % PROP_VALUE_MAX;
+ values[i] = new char[PROP_VALUE_MAX];
+ for (int j = 0; j < value_lens[i]; j++) {
+ values[i][j] = prop_name_chars[random() % (sizeof(prop_name_chars) - 1)];
+ }
+ __system_property_add(names[i], name_lens[i], values[i], value_lens[i]);
+ }
+ }
+
+ ~LocalPropertyTestState() {
+ __system_property_area__ = old_pa;
+ for (int i = 0; i < nprops; i++) {
+ delete names[i];
+ delete values[i];
+ }
+ delete names;
+ delete name_lens;
+ delete values;
+ delete value_lens;
+ free(pa);
+ }
+public:
+ const int nprops;
+ char **names;
+ int *name_lens;
+ char **values;
+ int *value_lens;
+
+private:
+ void *pa;
+ void *old_pa;
+};
+
+static void BM_property_get(int iters, int nprops)
+{
+ StopBenchmarkTiming();
+
+ LocalPropertyTestState pa(nprops);
+ char value[PROP_VALUE_MAX];
+
+ StartBenchmarkTiming();
+
+ for (int i = 0; i < iters; i++) {
+ for (int j = 0; j < nprops; j++) {
+ __system_property_get(pa.names[j], value);
+ }
+ }
+ StopBenchmarkTiming();
+}
+BENCHMARK(BM_property_get)->TEST_NUM_PROPS;
+
+static void BM_property_find(int iters, int nprops)
+{
+ StopBenchmarkTiming();
+
+ LocalPropertyTestState pa(nprops);
+
+ StartBenchmarkTiming();
+
+ for (int i = 0; i < iters; i++) {
+ for (int j = 0; j < nprops; j++) {
+ __system_property_find(pa.names[j]);
+ }
+ }
+ StopBenchmarkTiming();
+}
+BENCHMARK(BM_property_find)->TEST_NUM_PROPS;
diff --git a/tests/system_properties_test.cpp b/tests/system_properties_test.cpp
new file mode 100644
index 0000000..60188f4
--- /dev/null
+++ b/tests/system_properties_test.cpp
@@ -0,0 +1,229 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include <sys/wait.h>
+
+#if __BIONIC__
+
+#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
+#include <sys/_system_properties.h>
+
+extern void *__system_property_area__;
+
+struct LocalPropertyTestState {
+ LocalPropertyTestState() {
+ old_pa = __system_property_area__;
+ pa = malloc(PA_SIZE);
+ __system_property_area_init(pa);
+ }
+
+ ~LocalPropertyTestState() {
+ __system_property_area__ = old_pa;
+ free(pa);
+ }
+private:
+ void *pa;
+ void *old_pa;
+};
+
+TEST(properties, add) {
+ LocalPropertyTestState pa;
+
+ char propvalue[PROP_VALUE_MAX];
+
+ ASSERT_EQ(0, __system_property_add("property", 8, "value1", 6));
+ ASSERT_EQ(0, __system_property_add("other_property", 14, "value2", 6));
+ ASSERT_EQ(0, __system_property_add("property_other", 14, "value3", 6));
+
+ ASSERT_EQ(6, __system_property_get("property", propvalue));
+ ASSERT_STREQ(propvalue, "value1");
+
+ ASSERT_EQ(6, __system_property_get("other_property", propvalue));
+ ASSERT_STREQ(propvalue, "value2");
+
+ ASSERT_EQ(6, __system_property_get("property_other", propvalue));
+ ASSERT_STREQ(propvalue, "value3");
+}
+
+TEST(properties, update) {
+ LocalPropertyTestState pa;
+
+ char propvalue[PROP_VALUE_MAX];
+ prop_info *pi;
+
+ ASSERT_EQ(0, __system_property_add("property", 8, "oldvalue1", 9));
+ ASSERT_EQ(0, __system_property_add("other_property", 14, "value2", 6));
+ ASSERT_EQ(0, __system_property_add("property_other", 14, "value3", 6));
+
+ pi = (prop_info *)__system_property_find("property");
+ ASSERT_NE((prop_info *)NULL, pi);
+ __system_property_update(pi, "value4", 6);
+
+ pi = (prop_info *)__system_property_find("other_property");
+ ASSERT_NE((prop_info *)NULL, pi);
+ __system_property_update(pi, "newvalue5", 9);
+
+ pi = (prop_info *)__system_property_find("property_other");
+ ASSERT_NE((prop_info *)NULL, pi);
+ __system_property_update(pi, "value6", 6);
+
+ ASSERT_EQ(6, __system_property_get("property", propvalue));
+ ASSERT_STREQ(propvalue, "value4");
+
+ ASSERT_EQ(9, __system_property_get("other_property", propvalue));
+ ASSERT_STREQ(propvalue, "newvalue5");
+
+ ASSERT_EQ(6, __system_property_get("property_other", propvalue));
+ ASSERT_STREQ(propvalue, "value6");
+}
+
+// 247 = max # of properties supported by current implementation
+// (this should never go down)
+TEST(properties, fill_247) {
+ LocalPropertyTestState pa;
+ char prop_name[PROP_NAME_MAX];
+ char prop_value[PROP_VALUE_MAX];
+ char prop_value_ret[PROP_VALUE_MAX];
+ int ret;
+
+ for (int i = 0; i < 247; i++) {
+ ret = snprintf(prop_name, PROP_NAME_MAX - 1, "property_%d", i);
+ memset(prop_name + ret, 'a', PROP_NAME_MAX - 1 - ret);
+ ret = snprintf(prop_value, PROP_VALUE_MAX - 1, "value_%d", i);
+ memset(prop_value + ret, 'b', PROP_VALUE_MAX - 1 - ret);
+ prop_name[PROP_NAME_MAX - 1] = 0;
+ prop_value[PROP_VALUE_MAX - 1] = 0;
+
+ ASSERT_EQ(0, __system_property_add(prop_name, PROP_NAME_MAX - 1, prop_value, PROP_VALUE_MAX - 1));
+ }
+
+ for (int i = 0; i < 247; i++) {
+ ret = snprintf(prop_name, PROP_NAME_MAX - 1, "property_%d", i);
+ memset(prop_name + ret, 'a', PROP_NAME_MAX - 1 - ret);
+ ret = snprintf(prop_value, PROP_VALUE_MAX - 1, "value_%d", i);
+ memset(prop_value + ret, 'b', PROP_VALUE_MAX - 1 - ret);
+ prop_name[PROP_NAME_MAX - 1] = 0;
+ prop_value[PROP_VALUE_MAX - 1] = 0;
+ memset(prop_value_ret, '\0', PROP_VALUE_MAX);
+
+ ASSERT_EQ(PROP_VALUE_MAX - 1, __system_property_get(prop_name, prop_value_ret));
+ ASSERT_EQ(0, memcmp(prop_value, prop_value_ret, PROP_VALUE_MAX));
+ }
+}
+
+TEST(properties, find_nth) {
+ LocalPropertyTestState pa;
+
+ ASSERT_EQ(0, __system_property_add("property", 8, "value1", 6));
+ ASSERT_EQ(0, __system_property_add("other_property", 14, "value2", 6));
+ ASSERT_EQ(0, __system_property_add("property_other", 14, "value3", 6));
+
+ ASSERT_NE((const prop_info *)NULL, __system_property_find_nth(0));
+ ASSERT_NE((const prop_info *)NULL, __system_property_find_nth(1));
+ ASSERT_NE((const prop_info *)NULL, __system_property_find_nth(2));
+
+ ASSERT_EQ((const prop_info *)NULL, __system_property_find_nth(3));
+ ASSERT_EQ((const prop_info *)NULL, __system_property_find_nth(4));
+ ASSERT_EQ((const prop_info *)NULL, __system_property_find_nth(5));
+ ASSERT_EQ((const prop_info *)NULL, __system_property_find_nth(100));
+ ASSERT_EQ((const prop_info *)NULL, __system_property_find_nth(200));
+ ASSERT_EQ((const prop_info *)NULL, __system_property_find_nth(247));
+}
+
+TEST(properties, errors) {
+ LocalPropertyTestState pa;
+ char prop_value[PROP_NAME_MAX];
+
+ ASSERT_EQ(0, __system_property_add("property", 8, "value1", 6));
+ ASSERT_EQ(0, __system_property_add("other_property", 14, "value2", 6));
+ ASSERT_EQ(0, __system_property_add("property_other", 14, "value3", 6));
+
+ ASSERT_EQ(0, __system_property_find("property1"));
+ ASSERT_EQ(0, __system_property_get("property1", prop_value));
+
+ ASSERT_EQ(-1, __system_property_add("name", PROP_NAME_MAX, "value", 5));
+ ASSERT_EQ(-1, __system_property_add("name", 4, "value", PROP_VALUE_MAX));
+ ASSERT_EQ(-1, __system_property_update(NULL, "value", PROP_VALUE_MAX));
+}
+
+TEST(properties, serial) {
+ LocalPropertyTestState pa;
+ const prop_info *pi;
+ unsigned int serial;
+
+ ASSERT_EQ(0, __system_property_add("property", 8, "value1", 6));
+ ASSERT_NE((const prop_info *)NULL, pi = __system_property_find("property"));
+ serial = __system_property_serial(pi);
+ ASSERT_EQ(0, __system_property_update((prop_info *)pi, "value2", 6));
+ ASSERT_NE(serial, __system_property_serial(pi));
+}
+
+static void *PropertyWaitHelperFn(void *arg)
+{
+ int *flag = (int *)arg;
+ prop_info *pi;
+ pi = (prop_info *)__system_property_find("property");
+ usleep(100000);
+
+ *flag = 1;
+ __system_property_update(pi, "value3", 6);
+
+ return NULL;
+}
+
+TEST(properties, wait) {
+ LocalPropertyTestState pa;
+ unsigned int serial;
+ prop_info *pi;
+ pthread_t t;
+ int flag = 0;
+
+ ASSERT_EQ(0, __system_property_add("property", 8, "value1", 6));
+ serial = __system_property_wait_any(0);
+ pi = (prop_info *)__system_property_find("property");
+ ASSERT_NE((prop_info *)NULL, pi);
+ __system_property_update(pi, "value2", 6);
+ serial = __system_property_wait_any(serial);
+
+ ASSERT_EQ(0, pthread_create(&t, NULL, PropertyWaitHelperFn, &flag));
+ ASSERT_EQ(flag, 0);
+ serial = __system_property_wait_any(serial);
+ ASSERT_EQ(flag, 1);
+
+ void* result;
+ ASSERT_EQ(0, pthread_join(t, &result));
+}
+
+class KilledByFault {
+ public:
+ explicit KilledByFault() {};
+ bool operator()(int exit_status) const;
+};
+
+bool KilledByFault::operator()(int exit_status) const {
+ return WIFSIGNALED(exit_status) &&
+ (WTERMSIG(exit_status) == SIGSEGV ||
+ WTERMSIG(exit_status) == SIGBUS ||
+ WTERMSIG(exit_status) == SIGABRT);
+}
+
+TEST(properties_DeathTest, read_only) {
+ ::testing::FLAGS_gtest_death_test_style = "threadsafe";
+ ASSERT_EXIT(__system_property_add("property", 8, "value", 5),
+ KilledByFault(), "");
+}
+#endif
