about summary refs log tree commit diff
path: root/third_party/abseil_cpp/absl/base/bit_cast_test.cc
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/abseil_cpp/absl/base/bit_cast_test.cc')
-rw-r--r--third_party/abseil_cpp/absl/base/bit_cast_test.cc109
1 files changed, 0 insertions, 109 deletions
diff --git a/third_party/abseil_cpp/absl/base/bit_cast_test.cc b/third_party/abseil_cpp/absl/base/bit_cast_test.cc
deleted file mode 100644
index 8a3a41ea02..0000000000
--- a/third_party/abseil_cpp/absl/base/bit_cast_test.cc
+++ /dev/null
@@ -1,109 +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.
-
-// Unit test for bit_cast template.
-
-#include <cstdint>
-#include <cstring>
-
-#include "gtest/gtest.h"
-#include "absl/base/casts.h"
-#include "absl/base/macros.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace {
-
-template <int N>
-struct marshall { char buf[N]; };
-
-template <typename T>
-void TestMarshall(const T values[], int num_values) {
-  for (int i = 0; i < num_values; ++i) {
-    T t0 = values[i];
-    marshall<sizeof(T)> m0 = absl::bit_cast<marshall<sizeof(T)> >(t0);
-    T t1 = absl::bit_cast<T>(m0);
-    marshall<sizeof(T)> m1 = absl::bit_cast<marshall<sizeof(T)> >(t1);
-    ASSERT_EQ(0, memcmp(&t0, &t1, sizeof(T)));
-    ASSERT_EQ(0, memcmp(&m0, &m1, sizeof(T)));
-  }
-}
-
-// Convert back and forth to an integral type.  The C++ standard does
-// not guarantee this will work, but we test that this works on all the
-// platforms we support.
-//
-// Likewise, we below make assumptions about sizeof(float) and
-// sizeof(double) which the standard does not guarantee, but which hold on the
-// platforms we support.
-
-template <typename T, typename I>
-void TestIntegral(const T values[], int num_values) {
-  for (int i = 0; i < num_values; ++i) {
-    T t0 = values[i];
-    I i0 = absl::bit_cast<I>(t0);
-    T t1 = absl::bit_cast<T>(i0);
-    I i1 = absl::bit_cast<I>(t1);
-    ASSERT_EQ(0, memcmp(&t0, &t1, sizeof(T)));
-    ASSERT_EQ(i0, i1);
-  }
-}
-
-TEST(BitCast, Bool) {
-  static const bool bool_list[] = { false, true };
-  TestMarshall<bool>(bool_list, ABSL_ARRAYSIZE(bool_list));
-}
-
-TEST(BitCast, Int32) {
-  static const int32_t int_list[] =
-    { 0, 1, 100, 2147483647, -1, -100, -2147483647, -2147483647-1 };
-  TestMarshall<int32_t>(int_list, ABSL_ARRAYSIZE(int_list));
-}
-
-TEST(BitCast, Int64) {
-  static const int64_t int64_list[] =
-    { 0, 1, 1LL << 40, -1, -(1LL<<40) };
-  TestMarshall<int64_t>(int64_list, ABSL_ARRAYSIZE(int64_list));
-}
-
-TEST(BitCast, Uint64) {
-  static const uint64_t uint64_list[] =
-    { 0, 1, 1LLU << 40, 1LLU << 63 };
-  TestMarshall<uint64_t>(uint64_list, ABSL_ARRAYSIZE(uint64_list));
-}
-
-TEST(BitCast, Float) {
-  static const float float_list[] =
-    { 0.0f, 1.0f, -1.0f, 10.0f, -10.0f,
-      1e10f, 1e20f, 1e-10f, 1e-20f,
-      2.71828f, 3.14159f };
-  TestMarshall<float>(float_list, ABSL_ARRAYSIZE(float_list));
-  TestIntegral<float, int>(float_list, ABSL_ARRAYSIZE(float_list));
-  TestIntegral<float, unsigned>(float_list, ABSL_ARRAYSIZE(float_list));
-}
-
-TEST(BitCast, Double) {
-  static const double double_list[] =
-    { 0.0, 1.0, -1.0, 10.0, -10.0,
-      1e10, 1e100, 1e-10, 1e-100,
-      2.718281828459045,
-      3.141592653589793238462643383279502884197169399375105820974944 };
-  TestMarshall<double>(double_list, ABSL_ARRAYSIZE(double_list));
-  TestIntegral<double, int64_t>(double_list, ABSL_ARRAYSIZE(double_list));
-  TestIntegral<double, uint64_t>(double_list, ABSL_ARRAYSIZE(double_list));
-}
-
-}  // namespace
-ABSL_NAMESPACE_END
-}  // namespace absl