libvpx: Pull from upstream

source/libvpx/test/idct_test.cc

 /*
  *  Copyright (c) 2010 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.
  */
 
 
 extern "C" {
 #include "./vpx_config.h"
 #include "./vp8_rtcd.h"
 }
+#include "test/clear_system_state.h"
 #include "test/register_state_check.h"
 #include "third_party/googletest/src/include/gtest/gtest.h"
 
 typedef void (*idct_fn_t)(short *input, unsigned char *pred_ptr,
                           int pred_stride, unsigned char *dst_ptr,
                           int dst_stride);
 namespace {
 class IDCTTest : public ::testing::TestWithParam<idct_fn_t> {
   protected:
     virtual void SetUp() {
         int i;
 
         UUT = GetParam();
         memset(input, 0, sizeof(input));
         /* Set up guard blocks */
         for (i = 0; i < 256; i++)
             output[i] = ((i & 0xF) < 4 && (i < 64)) ? 0 : -1;
     }
 
+    virtual void TearDown() {
+      libvpx_test::ClearSystemState();
+    }
+
     idct_fn_t UUT;
     short input[16];
     unsigned char output[256];
     unsigned char predict[256];
 };
 
 TEST_P(IDCTTest, TestGuardBlocks) {
     int i;
 
     for (i = 0; i < 256; i++)
@@ skipping 64 matching lines @@
             EXPECT_EQ(0, output[i]) << "i==" << i;
 }
 
 INSTANTIATE_TEST_CASE_P(C, IDCTTest,
                         ::testing::Values(vp8_short_idct4x4llm_c));
 #if HAVE_MMX
 INSTANTIATE_TEST_CASE_P(MMX, IDCTTest,
                         ::testing::Values(vp8_short_idct4x4llm_mmx));
 #endif
 }