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Merge "Make sys_resource test more robust." into lollipop-cts-dev

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Yabin Cui 2015-06-02 22:02:28 +00:00 committed by Gerrit Code Review
commit 492a0bf212
1 changed files with 69 additions and 45 deletions
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114
tests/sys_resource_test.cpp
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@ -14,10 +14,10 @@
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <sys/resource.h>
#include <gtest/gtest.h>
#if defined(__GLIBC__)
/* The host glibc we're currently building with doesn't have prlimit64 yet. */
static int prlimit64(pid_t, int resource, const struct rlimit64* new_limit, struct rlimit64* old_limit) {
@ -29,7 +29,7 @@ static int prlimit64(pid_t, int resource, const struct rlimit64* new_limit, stru
}
#endif
TEST(sys_resource, smoke) {
TEST(sys_resource, rlimit_struct_size) {
#if defined(__LP64__) || defined(__GLIBC__)
ASSERT_EQ(sizeof(rlimit), sizeof(rlimit64));
ASSERT_EQ(8U, sizeof(rlim_t));
@ -37,51 +37,75 @@ TEST(sys_resource, smoke) {
ASSERT_NE(sizeof(rlimit), sizeof(rlimit64));
ASSERT_EQ(4U, sizeof(rlim_t));
#endif
}
// Read with getrlimit, getrlimit64, and prlimit64.
// (prlimit is prlimit64 on LP64 and unimplemented on 32-bit.)
rlimit l32;
rlimit64 l64;
rlimit64 pr_l64;
ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32));
ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64));
ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64));
ASSERT_EQ(l64.rlim_cur, l32.rlim_cur);
ASSERT_EQ(l64.rlim_cur, pr_l64.rlim_cur);
ASSERT_EQ(l64.rlim_max, pr_l64.rlim_max);
if (l64.rlim_max == RLIM64_INFINITY) {
ASSERT_EQ(RLIM_INFINITY, l32.rlim_max);
} else {
ASSERT_EQ(l64.rlim_max, l32.rlim_max);
class SysResourceTest : public ::testing::Test {
protected:
virtual void SetUp() {
ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32_));
ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64_));
ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64_));
}
// Write with setrlimit and read back with everything.
l32.rlim_cur = 123;
ASSERT_EQ(0, setrlimit(RLIMIT_CORE, &l32));
ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32));
ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64));
ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64));
ASSERT_EQ(123U, l32.rlim_cur);
ASSERT_EQ(l64.rlim_cur, l32.rlim_cur);
ASSERT_EQ(l64.rlim_cur, pr_l64.rlim_cur);
void CheckResourceLimits();
// Write with setrlimit64 and read back with everything.
l64.rlim_cur = 456;
ASSERT_EQ(0, setrlimit64(RLIMIT_CORE, &l64));
ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32));
ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64));
ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64));
ASSERT_EQ(456U, l32.rlim_cur);
ASSERT_EQ(l64.rlim_cur, l32.rlim_cur);
ASSERT_EQ(l64.rlim_cur, pr_l64.rlim_cur);
protected:
rlimit l32_;
rlimit64 l64_;
rlimit64 pr_l64_;
};
// Write with prlimit64 and read back with everything.
l64.rlim_cur = 789;
ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, &l64, NULL));
ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32));
ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64));
ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64));
ASSERT_EQ(789U, l32.rlim_cur);
ASSERT_EQ(l64.rlim_cur, l32.rlim_cur);
ASSERT_EQ(l64.rlim_cur, pr_l64.rlim_cur);
void SysResourceTest::CheckResourceLimits() {
ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32_));
ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64_));
ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64_));
ASSERT_EQ(l64_.rlim_cur, pr_l64_.rlim_cur);
if (l64_.rlim_cur == RLIM64_INFINITY) {
ASSERT_EQ(RLIM_INFINITY, l32_.rlim_cur);
} else {
ASSERT_EQ(l64_.rlim_cur, l32_.rlim_cur);
}
ASSERT_EQ(l64_.rlim_max, pr_l64_.rlim_max);
if (l64_.rlim_max == RLIM64_INFINITY) {
ASSERT_EQ(RLIM_INFINITY, l32_.rlim_max);
} else {
ASSERT_EQ(l64_.rlim_max, l32_.rlim_max);
}
}
// Force rlim_max to be bigger than a constant so we can continue following test.
// Change resource limit setting with "ulimit -Hc" in the shell if this test fails.
TEST_F(SysResourceTest, RLIMIT_CORE_rlim_max_not_zero) {
ASSERT_TRUE(l32_.rlim_max == RLIM_INFINITY || l32_.rlim_max >= 456U) <<
"RLIMIT_CORE rlim_max = " << l32_.rlim_max;
}
TEST_F(SysResourceTest, get_resource_limit_equal) {
CheckResourceLimits();
}
TEST_F(SysResourceTest, setrlimit) {
l32_.rlim_cur = 123U;
ASSERT_EQ(0, setrlimit(RLIMIT_CORE, &l32_));
CheckResourceLimits();
ASSERT_EQ(123U, l32_.rlim_cur);
}
TEST_F(SysResourceTest, setrlimit64) {
l64_.rlim_cur = 456U;
ASSERT_EQ(0, setrlimit64(RLIMIT_CORE, &l64_));
CheckResourceLimits();
ASSERT_EQ(456U, l64_.rlim_cur);
}
TEST_F(SysResourceTest, prlimit64) {
pr_l64_.rlim_cur = pr_l64_.rlim_max;
ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, &pr_l64_, NULL));
CheckResourceLimits();
ASSERT_EQ(pr_l64_.rlim_max, pr_l64_.rlim_cur);
}
TEST_F(SysResourceTest, prlimit) {
// prlimit is prlimit64 on LP64 and unimplemented on 32-bit. So we only test prlimit64.
}