shithub: libvpx

Download patch

ref: 7994dba6c0f20f47a990a09e05a71bd73df74c69
parent: ed2c2405380eb5f418b47c02d786a0a21b8723ee
author: Johann <johannkoenig@google.com>
date: Wed Oct 26 17:24:46 EDT 2016 

partial_idct_test: add _add_ test

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


--- a/test/partial_idct_test.cc
+++ b/test/partial_idct_test.cc
@@ -162,6 +162,30 @@
         << "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(