libvpx: Pull from upstream

source/libvpx/test/subtract_test.cc

 /*
  *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "third_party/googletest/src/include/gtest/gtest.h"
 #include "test/acm_random.h"
+#include "test/clear_system_state.h"
 #include "test/register_state_check.h"
 extern "C" {
 #include "vpx_config.h"
 #include "vp8_rtcd.h"
 #include "vp8/common/blockd.h"
 #include "vp8/encoder/block.h"
 #include "vpx_mem/vpx_mem.h"
 }
 
 typedef void (*subtract_b_fn_t)(BLOCK *be, BLOCKD *bd, int pitch);
 
 namespace {
 
-class SubtractBlockTest : public ::testing::TestWithParam<subtract_b_fn_t> {};
+class SubtractBlockTest : public ::testing::TestWithParam<subtract_b_fn_t> {
+ public:
+  virtual void TearDown() {
+    libvpx_test::ClearSystemState();
+  }
+};
 
 using libvpx_test::ACMRandom;
 
 TEST_P(SubtractBlockTest, SimpleSubtract) {
   ACMRandom rnd(ACMRandom::DeterministicSeed());
   BLOCK be;
   BLOCKD bd;
   // in libvpx, this stride is always 16
   const int kDiffPredStride = 16;
   const int kSrcStride[] = {32, 16, 8, 4, 0};
@@ skipping 68 matching lines @@
 INSTANTIATE_TEST_CASE_P(MMX, SubtractBlockTest,
                         ::testing::Values(vp8_subtract_b_mmx));
 #endif
 
 #if HAVE_SSE2
 INSTANTIATE_TEST_CASE_P(SSE2, SubtractBlockTest,
                         ::testing::Values(vp8_subtract_b_sse2));
 #endif
 
 }  // namespace