Fix MSVC warnings in tests

BUG=aomedia:80

Change-Id: I52df0b9a2284b35bef57a129870d645166ee871d

test/ans_test.cc

@@ -63,7 +63,7 @@ bool check_uabs(const PvVec &pv_vec, uint8_t *buf) {
   if (ans_read_init(&d, buf, offset)) return false;
   start = std::clock();
   for (PvVec::const_iterator it = pv_vec.begin(); it != pv_vec.end(); ++it) {
-    okay &= uabs_read(&d, 256 - it->first) == it->second;
+    okay = okay && (uabs_read(&d, 256 - it->first) != 0) == it->second;
   }
   std::clock_t dec_time = std::clock() - start;
   if (!okay) return false;
@@ -71,7 +71,7 @@ bool check_uabs(const PvVec &pv_vec, uint8_t *buf) {
     printf("uABS size %d enc_time %f dec_time %f\n", offset,
            static_cast<float>(enc_time) / CLOCKS_PER_SEC,
            static_cast<float>(dec_time) / CLOCKS_PER_SEC);
-  return ans_read_end(&d);
+  return ans_read_end(&d) != 0;
 }
 
 const aom_cdf_prob spareto65[] = { 8320, 6018, 4402, 3254, 4259,
@@ -138,7 +138,7 @@ bool check_rans(const std::vector<int> &sym_vec, const rans_sym *const tab,
     printf("rANS size %d enc_time %f dec_time %f\n", offset,
            static_cast<float>(enc_time) / CLOCKS_PER_SEC,
            static_cast<float>(dec_time) / CLOCKS_PER_SEC);
-  return ans_read_end(&d);
+  return ans_read_end(&d) != 0;
 }
 
 class AbsTest : public ::testing::Test {

test/clpf_test.cc

@@ -175,12 +175,12 @@ void test_clpf_speed(int w, int h, int depth, int iterations,
   aom_usec_timer_start(&ref_timer);
   test_clpf(w, h, depth, iterations, ref_clpf, ref_clpf);
   aom_usec_timer_mark(&ref_timer);
-  int ref_elapsed_time = aom_usec_timer_elapsed(&ref_timer);
+  int ref_elapsed_time = (int)aom_usec_timer_elapsed(&ref_timer);
 
   aom_usec_timer_start(&timer);
   test_clpf(w, h, depth, iterations, clpf, clpf);
   aom_usec_timer_mark(&timer);
-  int elapsed_time = aom_usec_timer_elapsed(&timer);
+  int elapsed_time = (int)aom_usec_timer_elapsed(&timer);
 
 #if 0
   std::cout << "[          ] C time = " << ref_elapsed_time / 1000