1 files changed, 0 insertions, 56 deletions
diff --git a/extern/draco/dracoenc/src/draco/compression/entropy/shannon_entropy_test.cc b/extern/draco/dracoenc/src/draco/compression/entropy/shannon_entropy_test.cc
deleted file mode 100644
index c2fe64440be..00000000000
--- a/extern/draco/dracoenc/src/draco/compression/entropy/shannon_entropy_test.cc
+++ /dev/null
@@ -1,56 +0,0 @@
-#include "draco/compression/entropy/shannon_entropy.h"
-#include "draco/core/draco_test_base.h"
-
-namespace {
-
-TEST(ShannonEntropyTest, TestBinaryEntropy) {
-  // Test verifies that computing binary entropy works as expected.
-  ASSERT_EQ(draco::ComputeBinaryShannonEntropy(0, 0), 0);
-  ASSERT_EQ(draco::ComputeBinaryShannonEntropy(10, 0), 0);
-  ASSERT_EQ(draco::ComputeBinaryShannonEntropy(10, 10), 0);
-  ASSERT_NEAR(draco::ComputeBinaryShannonEntropy(10, 5), 1.0, 1e-4);
-}
-
-TEST(ShannonEntropyTest, TestStreamEntropy) {
-  // Test verifies that the entropy of streamed data is computed correctly.
-  const std::vector<uint32_t> symbols = {1, 5, 1, 100, 2, 1};
-
-  draco::ShannonEntropyTracker entropy_tracker;
-
-  // Nothing added, 0 entropy.
-  ASSERT_EQ(entropy_tracker.GetNumberOfDataBits(), 0);
-
-  // Try to push symbols one by one.
-  uint32_t max_symbol = 0;
-  for (int i = 0; i < symbols.size(); ++i) {
-    if (symbols[i] > max_symbol)
-      max_symbol = symbols[i];
-    const auto entropy_data = entropy_tracker.Push(&symbols[i], 1);
-
-    const int64_t stream_entropy_bits = entropy_tracker.GetNumberOfDataBits();
-    // Ensure the returned entropy_data is in sync with the stream.
-    ASSERT_EQ(draco::ShannonEntropyTracker::GetNumberOfDataBits(entropy_data),
-              stream_entropy_bits);
-
-    // Make sure the entropy is approximately the same as the one we compute
-    // directly from all symbols.
-    const int64_t expected_entropy_bits = draco::ComputeShannonEntropy(
-        symbols.data(), i + 1, max_symbol, nullptr);
-
-    // For now hardcoded tolerance of 2 bits.
-    ASSERT_NEAR(expected_entropy_bits, stream_entropy_bits, 2);
-  }
-
-  // Compare it also to the case when we add all symbols in one call.
-  draco::ShannonEntropyTracker entropy_tracker_2;
-  entropy_tracker_2.Push(symbols.data(), symbols.size());
-  const int64_t stream_2_entropy_bits = entropy_tracker_2.GetNumberOfDataBits();
-  ASSERT_EQ(entropy_tracker.GetNumberOfDataBits(), stream_2_entropy_bits);
-
-  // Ensure that peeking does not change the entropy.
-  entropy_tracker_2.Peek(symbols.data(), 1);
-
-  ASSERT_EQ(stream_2_entropy_bits, entropy_tracker_2.GetNumberOfDataBits());
-}
-
-}  // namespace