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Increase power HAL VTS coverage

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Bug: 32022775
Test: Run tests on bullhead and marlin
Change-Id: I4928d5ac951d02152a3f491bff1c28de3f95c16c
Signed-off-by: Connor O'Brien <connoro@google.com>
This commit is contained in:
Connor O'Brien
2017-02-21 12:37:52 -08:00
parent d94a7d2df9
commit cf20746c6f
1 changed files with 72 additions and 1 deletions
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73
power/1.0/vts/functional/VtsHalPowerV1_0TargetTest.cpp
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@@ -23,6 +23,8 @@
#include <gtest/gtest.h>
#include <algorithm>
using ::android::hardware::power::V1_0::IPower;
using ::android::hardware::power::V1_0::Feature;
using ::android::hardware::power::V1_0::PowerHint;
@@ -32,6 +34,13 @@ using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::sp;
using std::vector;
#define CPU_GOVERNOR_PATH \
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
#define AVAILABLE_GOVERNORS_PATH \
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors"
class PowerHidlTest : public ::testing::Test {
public:
virtual void SetUp() override {
@@ -55,6 +64,48 @@ TEST_F(PowerHidlTest, SetInteractive) {
ASSERT_TRUE(ret.isOk());
}
// Test Power::setInteractive and Power::powerHint(Launch)
// with each available CPU governor, if available
TEST_F(PowerHidlTest, TryDifferentGovernors) {
Return<void> ret;
int fd1 = open(CPU_GOVERNOR_PATH, O_RDWR);
int fd2 = open(AVAILABLE_GOVERNORS_PATH, O_RDONLY);
if (fd1 < 0 || fd2 < 0) {
// Files don't exist, so skip the rest of the test case
SUCCEED();
}
char old_governor[80];
ASSERT_LE(0, read(fd1, old_governor, 80));
char governors[1024];
ASSERT_LE(0, read(fd2, governors, 1024));
close(fd2);
char *saveptr;
char *name = strtok_r(governors, " ", &saveptr);
while (name && strlen(name) > 1) {
ASSERT_LE(0, write(fd1, name, strlen(name)));
ret = power->setInteractive(true);
ASSERT_TRUE(ret.isOk());
ret = power->setInteractive(false);
ASSERT_TRUE(ret.isOk());
ret = power->setInteractive(false);
ASSERT_TRUE(ret.isOk());
power->powerHint(PowerHint::LAUNCH, 1);
power->powerHint(PowerHint::LAUNCH, 0);
name = strtok_r(NULL, " ", &saveptr);
}
ASSERT_LE(0, write(fd1, old_governor, strlen(old_governor)));
close(fd1);
}
// Sanity check Power::powerHint on good and bad inputs.
TEST_F(PowerHidlTest, PowerHint) {
PowerHint badHint = static_cast<PowerHint>(0xA);
@@ -65,12 +116,32 @@ TEST_F(PowerHidlTest, PowerHint) {
badHint};
Return<void> ret;
for (auto hint : hints) {
ret = power->powerHint(hint, 1);
ret = power->powerHint(hint, 30000);
ASSERT_TRUE(ret.isOk());
ret = power->powerHint(hint, 0);
ASSERT_TRUE(ret.isOk());
}
// Turning these hints on in different orders triggers different code paths,
// so iterate over possible orderings.
std::vector<PowerHint> hints2 = {PowerHint::LAUNCH, PowerHint::VR_MODE,
PowerHint::SUSTAINED_PERFORMANCE,
PowerHint::INTERACTION};
auto compareHints = [](PowerHint l, PowerHint r) {
return static_cast<uint32_t>(l) < static_cast<uint32_t>(r);
};
std::sort(hints2.begin(), hints2.end(), compareHints);
do {
for (auto iter = hints2.begin(); iter != hints2.end(); iter++) {
ret = power->powerHint(*iter, 0);
ASSERT_TRUE(ret.isOk());
}
for (auto iter = hints2.begin(); iter != hints2.end(); iter++) {
ret = power->powerHint(*iter, 30000);
ASSERT_TRUE(ret.isOk());
}
} while (std::next_permutation(hints2.begin(), hints2.end(), compareHints));
}
// Sanity check Power::setFeature() on good and bad inputs.