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cq_test: allow test cases to be run out of order

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check that bitrates increase with cqlevel at global test case teardown,
rather than after each individual test case. this allows the tests to be
run out of order with --gtest_shuffle.

Change-Id: I9e0d4e6a2d920a1f2fe9aee7b7876a3e7eb5d297
This commit is contained in:
James Zern 2014-08-12 19:26:49 -07:00
parent 1d9e2b5003
commit 1c6203192d
1 changed files with 29 additions and 3 deletions
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32
test/cq_test.cc
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@ -8,6 +8,7 @@
* be found in the AUTHORS file in the root of the source tree.
*/
#include <cmath>
#include <map>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
@ -24,6 +25,28 @@ const unsigned int kCQTargetBitrate = 2000;
class CQTest : public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWithParam<int> {
public:
// maps the cqlevel to the bitrate produced.
typedef std::map<int, uint32_t> BitrateMap;
static void SetUpTestCase() {
bitrates_.clear();
}
static void TearDownTestCase() {
ASSERT_TRUE(!HasFailure())
<< "skipping bitrate validation due to earlier failure.";
uint32_t prev_actual_bitrate = kCQTargetBitrate;
for (BitrateMap::const_iterator iter = bitrates_.begin();
iter != bitrates_.end(); ++iter) {
const uint32_t cq_actual_bitrate = iter->second;
EXPECT_LE(cq_actual_bitrate, prev_actual_bitrate)
<< "cq_level: " << iter->first
<< ", bitrate should decrease with increase in CQ level.";
prev_actual_bitrate = cq_actual_bitrate;
}
}
protected:
CQTest() : EncoderTest(GET_PARAM(0)), cq_level_(GET_PARAM(1)) {
init_flags_ = VPX_CODEC_USE_PSNR;
@ -66,9 +89,12 @@ class CQTest : public ::libvpx_test::EncoderTest,
return pow(10.0, avg_psnr / 10.0) / file_size_;
}
int cq_level() const { return cq_level_; }
size_t file_size() const { return file_size_; }
int n_frames() const { return n_frames_; }
static BitrateMap bitrates_;
private:
int cq_level_;
size_t file_size_;
@ -76,7 +102,8 @@ class CQTest : public ::libvpx_test::EncoderTest,
int n_frames_;
};
unsigned int prev_actual_bitrate = kCQTargetBitrate;
CQTest::BitrateMap CQTest::bitrates_;
TEST_P(CQTest, LinearPSNRIsHigherForCQLevel) {
const vpx_rational timebase = { 33333333, 1000000000 };
cfg_.g_timebase = timebase;
@ -91,8 +118,7 @@ TEST_P(CQTest, LinearPSNRIsHigherForCQLevel) {
const unsigned int cq_actual_bitrate =
static_cast<unsigned int>(file_size()) * 8 * 30 / (n_frames() * 1000);
EXPECT_LE(cq_actual_bitrate, kCQTargetBitrate);
EXPECT_LE(cq_actual_bitrate, prev_actual_bitrate);
prev_actual_bitrate = cq_actual_bitrate;
bitrates_[cq_level()] = cq_actual_bitrate;
// try targeting the approximate same bitrate with VBR mode
cfg_.rc_end_usage = VPX_VBR;