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authorVincent Ambo <mail@tazj.in>2022-02-07T23·05+0300
committerclbot <clbot@tvl.fyi>2022-02-07T23·09+0000
commit5aa5d282eac56a21e74611c1cdbaa97bb5db2dca (patch)
tree8cc5dce8157a1470ff76719dd15d65f648a05522 /third_party/abseil_cpp/absl/base/internal/endian_test.cc
parenta25675804c4f429fab5ee5201fe25e89865dfd13 (diff)
chore(3p/abseil_cpp): unvendor abseil_cpp r/3786
we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>
Diffstat (limited to 'third_party/abseil_cpp/absl/base/internal/endian_test.cc')
-rw-r--r--third_party/abseil_cpp/absl/base/internal/endian_test.cc263
1 files changed, 0 insertions, 263 deletions
diff --git a/third_party/abseil_cpp/absl/base/internal/endian_test.cc b/third_party/abseil_cpp/absl/base/internal/endian_test.cc
deleted file mode 100644
index a1691b1f82c0..000000000000
--- a/third_party/abseil_cpp/absl/base/internal/endian_test.cc
+++ /dev/null
@@ -1,263 +0,0 @@
-// Copyright 2017 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "absl/base/internal/endian.h"
-
-#include <algorithm>
-#include <cstdint>
-#include <limits>
-#include <random>
-#include <vector>
-
-#include "gtest/gtest.h"
-#include "absl/base/config.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace {
-
-const uint64_t kInitialNumber{0x0123456789abcdef};
-const uint64_t k64Value{kInitialNumber};
-const uint32_t k32Value{0x01234567};
-const uint16_t k16Value{0x0123};
-const int kNumValuesToTest = 1000000;
-const int kRandomSeed = 12345;
-
-#if defined(ABSL_IS_BIG_ENDIAN)
-const uint64_t kInitialInNetworkOrder{kInitialNumber};
-const uint64_t k64ValueLE{0xefcdab8967452301};
-const uint32_t k32ValueLE{0x67452301};
-const uint16_t k16ValueLE{0x2301};
-
-const uint64_t k64ValueBE{kInitialNumber};
-const uint32_t k32ValueBE{k32Value};
-const uint16_t k16ValueBE{k16Value};
-#elif defined(ABSL_IS_LITTLE_ENDIAN)
-const uint64_t kInitialInNetworkOrder{0xefcdab8967452301};
-const uint64_t k64ValueLE{kInitialNumber};
-const uint32_t k32ValueLE{k32Value};
-const uint16_t k16ValueLE{k16Value};
-
-const uint64_t k64ValueBE{0xefcdab8967452301};
-const uint32_t k32ValueBE{0x67452301};
-const uint16_t k16ValueBE{0x2301};
-#endif
-
-std::vector<uint16_t> GenerateAllUint16Values() {
-  std::vector<uint16_t> result;
-  result.reserve(size_t{1} << (sizeof(uint16_t) * 8));
-  for (uint32_t i = std::numeric_limits<uint16_t>::min();
-       i <= std::numeric_limits<uint16_t>::max(); ++i) {
-    result.push_back(static_cast<uint16_t>(i));
-  }
-  return result;
-}
-
-template<typename T>
-std::vector<T> GenerateRandomIntegers(size_t num_values_to_test) {
-  std::vector<T> result;
-  result.reserve(num_values_to_test);
-  std::mt19937_64 rng(kRandomSeed);
-  for (size_t i = 0; i < num_values_to_test; ++i) {
-    result.push_back(rng());
-  }
-  return result;
-}
-
-void ManualByteSwap(char* bytes, int length) {
-  if (length == 1)
-    return;
-
-  EXPECT_EQ(0, length % 2);
-  for (int i = 0; i < length / 2; ++i) {
-    int j = (length - 1) - i;
-    using std::swap;
-    swap(bytes[i], bytes[j]);
-  }
-}
-
-template<typename T>
-inline T UnalignedLoad(const char* p) {
-  static_assert(
-      sizeof(T) == 1 || sizeof(T) == 2 || sizeof(T) == 4 || sizeof(T) == 8,
-      "Unexpected type size");
-
-  switch (sizeof(T)) {
-    case 1: return *reinterpret_cast<const T*>(p);
-    case 2:
-      return ABSL_INTERNAL_UNALIGNED_LOAD16(p);
-    case 4:
-      return ABSL_INTERNAL_UNALIGNED_LOAD32(p);
-    case 8:
-      return ABSL_INTERNAL_UNALIGNED_LOAD64(p);
-    default:
-      // Suppresses invalid "not all control paths return a value" on MSVC
-      return {};
-  }
-}
-
-template <typename T, typename ByteSwapper>
-static void GBSwapHelper(const std::vector<T>& host_values_to_test,
-                         const ByteSwapper& byte_swapper) {
-  // Test byte_swapper against a manual byte swap.
-  for (typename std::vector<T>::const_iterator it = host_values_to_test.begin();
-       it != host_values_to_test.end(); ++it) {
-    T host_value = *it;
-
-    char actual_value[sizeof(host_value)];
-    memcpy(actual_value, &host_value, sizeof(host_value));
-    byte_swapper(actual_value);
-
-    char expected_value[sizeof(host_value)];
-    memcpy(expected_value, &host_value, sizeof(host_value));
-    ManualByteSwap(expected_value, sizeof(host_value));
-
-    ASSERT_EQ(0, memcmp(actual_value, expected_value, sizeof(host_value)))
-        << "Swap output for 0x" << std::hex << host_value << " does not match. "
-        << "Expected: 0x" << UnalignedLoad<T>(expected_value) << "; "
-        << "actual: 0x" <<  UnalignedLoad<T>(actual_value);
-  }
-}
-
-void Swap16(char* bytes) {
-  ABSL_INTERNAL_UNALIGNED_STORE16(
-      bytes, gbswap_16(ABSL_INTERNAL_UNALIGNED_LOAD16(bytes)));
-}
-
-void Swap32(char* bytes) {
-  ABSL_INTERNAL_UNALIGNED_STORE32(
-      bytes, gbswap_32(ABSL_INTERNAL_UNALIGNED_LOAD32(bytes)));
-}
-
-void Swap64(char* bytes) {
-  ABSL_INTERNAL_UNALIGNED_STORE64(
-      bytes, gbswap_64(ABSL_INTERNAL_UNALIGNED_LOAD64(bytes)));
-}
-
-TEST(EndianessTest, Uint16) {
-  GBSwapHelper(GenerateAllUint16Values(), &Swap16);
-}
-
-TEST(EndianessTest, Uint32) {
-  GBSwapHelper(GenerateRandomIntegers<uint32_t>(kNumValuesToTest), &Swap32);
-}
-
-TEST(EndianessTest, Uint64) {
-  GBSwapHelper(GenerateRandomIntegers<uint64_t>(kNumValuesToTest), &Swap64);
-}
-
-TEST(EndianessTest, ghtonll_gntohll) {
-  // Test that absl::ghtonl compiles correctly
-  uint32_t test = 0x01234567;
-  EXPECT_EQ(absl::gntohl(absl::ghtonl(test)), test);
-
-  uint64_t comp = absl::ghtonll(kInitialNumber);
-  EXPECT_EQ(comp, kInitialInNetworkOrder);
-  comp = absl::gntohll(kInitialInNetworkOrder);
-  EXPECT_EQ(comp, kInitialNumber);
-
-  // Test that htonll and ntohll are each others' inverse functions on a
-  // somewhat assorted batch of numbers. 37 is chosen to not be anything
-  // particularly nice base 2.
-  uint64_t value = 1;
-  for (int i = 0; i < 100; ++i) {
-    comp = absl::ghtonll(absl::gntohll(value));
-    EXPECT_EQ(value, comp);
-    comp = absl::gntohll(absl::ghtonll(value));
-    EXPECT_EQ(value, comp);
-    value *= 37;
-  }
-}
-
-TEST(EndianessTest, little_endian) {
-  // Check little_endian uint16_t.
-  uint64_t comp = little_endian::FromHost16(k16Value);
-  EXPECT_EQ(comp, k16ValueLE);
-  comp = little_endian::ToHost16(k16ValueLE);
-  EXPECT_EQ(comp, k16Value);
-
-  // Check little_endian uint32_t.
-  comp = little_endian::FromHost32(k32Value);
-  EXPECT_EQ(comp, k32ValueLE);
-  comp = little_endian::ToHost32(k32ValueLE);
-  EXPECT_EQ(comp, k32Value);
-
-  // Check little_endian uint64_t.
-  comp = little_endian::FromHost64(k64Value);
-  EXPECT_EQ(comp, k64ValueLE);
-  comp = little_endian::ToHost64(k64ValueLE);
-  EXPECT_EQ(comp, k64Value);
-
-  // Check little-endian Load and store functions.
-  uint16_t u16Buf;
-  uint32_t u32Buf;
-  uint64_t u64Buf;
-
-  little_endian::Store16(&u16Buf, k16Value);
-  EXPECT_EQ(u16Buf, k16ValueLE);
-  comp = little_endian::Load16(&u16Buf);
-  EXPECT_EQ(comp, k16Value);
-
-  little_endian::Store32(&u32Buf, k32Value);
-  EXPECT_EQ(u32Buf, k32ValueLE);
-  comp = little_endian::Load32(&u32Buf);
-  EXPECT_EQ(comp, k32Value);
-
-  little_endian::Store64(&u64Buf, k64Value);
-  EXPECT_EQ(u64Buf, k64ValueLE);
-  comp = little_endian::Load64(&u64Buf);
-  EXPECT_EQ(comp, k64Value);
-}
-
-TEST(EndianessTest, big_endian) {
-  // Check big-endian Load and store functions.
-  uint16_t u16Buf;
-  uint32_t u32Buf;
-  uint64_t u64Buf;
-
-  unsigned char buffer[10];
-  big_endian::Store16(&u16Buf, k16Value);
-  EXPECT_EQ(u16Buf, k16ValueBE);
-  uint64_t comp = big_endian::Load16(&u16Buf);
-  EXPECT_EQ(comp, k16Value);
-
-  big_endian::Store32(&u32Buf, k32Value);
-  EXPECT_EQ(u32Buf, k32ValueBE);
-  comp = big_endian::Load32(&u32Buf);
-  EXPECT_EQ(comp, k32Value);
-
-  big_endian::Store64(&u64Buf, k64Value);
-  EXPECT_EQ(u64Buf, k64ValueBE);
-  comp = big_endian::Load64(&u64Buf);
-  EXPECT_EQ(comp, k64Value);
-
-  big_endian::Store16(buffer + 1, k16Value);
-  EXPECT_EQ(u16Buf, k16ValueBE);
-  comp = big_endian::Load16(buffer + 1);
-  EXPECT_EQ(comp, k16Value);
-
-  big_endian::Store32(buffer + 1, k32Value);
-  EXPECT_EQ(u32Buf, k32ValueBE);
-  comp = big_endian::Load32(buffer + 1);
-  EXPECT_EQ(comp, k32Value);
-
-  big_endian::Store64(buffer + 1, k64Value);
-  EXPECT_EQ(u64Buf, k64ValueBE);
-  comp = big_endian::Load64(buffer + 1);
-  EXPECT_EQ(comp, k64Value);
-}
-
-}  // namespace
-ABSL_NAMESPACE_END
-}  // namespace absl