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partial_idct_test: add _add_ test

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The result of the transform is added to the destination buffers. In the
existing tests the destination buffer is always empty so that portion of
the code was never exercised.

Change-Id: I1858c4fed2274f1b9faf834d2ba4186a4510492a
This commit is contained in:
Johann 2016-10-26 21:24:46 -07:00
parent ed2c240538
commit 7994dba6c0
1 changed files with 24 additions and 0 deletions
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24
test/partial_idct_test.cc
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@ -162,6 +162,30 @@ TEST_P(PartialIDctTest, ResultsMatch) {
<< "Error: partial inverse transform produces different results";
}
}
TEST_P(PartialIDctTest, AddOutputBlock) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int count_test_block = 10;
for (int i = 0; i < count_test_block; ++i) {
memset(input_block_, 0, sizeof(*input_block_) * block_size_);
for (int j = 0; j < last_nonzero_; ++j) {
input_block_[vp9_default_scan_orders[tx_size_].scan[j]] = 10;
}
for (int j = 0; j < block_size_; ++j) {
output_block_[j] = output_block_ref_[j] = rnd.Rand8();
}
ASM_REGISTER_STATE_CHECK(
full_itxfm_(input_block_, output_block_ref_, size_));
ASM_REGISTER_STATE_CHECK(
partial_itxfm_(input_block_, output_block_, size_));
ASSERT_EQ(0, memcmp(output_block_ref_, output_block_,
sizeof(*output_block_) * block_size_))
<< "Error: Transform results are not correctly added to output.";
}
}
using std::tr1::make_tuple;
INSTANTIATE_TEST_CASE_P(