cbfd0f0fe5
-- 6a60bc6c79a3069f49986c2567dd51d2792f8ec1 by Abseil Team <absl-team@google.com>: Internal cleanup PiperOrigin-RevId: 311210039 -- a1049de1dd9071efa3a3dda1c3f25ab578b23e27 by Laramie Leavitt <lar@google.com>: Internal change PiperOrigin-RevId: 311188627 -- c2ccddd1cd89ef9d79c35bbe9e1813164db27031 by Matt Kulukundis <kfm@google.com>: Migrate time parsing/formatting to string_view. - make a copy before handing to cctz but handle local cases without PiperOrigin-RevId: 311009254 -- d91d0cd68f3672a727ff76ee43f2da5226673d60 by Gennadiy Rozental <rogeeff@google.com>: Eliminate public method absl::Flag<T>::IsSpecfiedOnCommandLine. This interface was never intended to be supported. Prefer to react to the current value of flag. PiperOrigin-RevId: 310991916 -- 8ad41e7ec24f43598ed232545314117802e7895c by Gennadiy Rozental <rogeeff@google.com>: Internal change PiperOrigin-RevId: 310757743 -- f091f77a13ce9481218cb356f8b4ceb49c1530f9 by Jorg Brown <jorg@google.com>: Change #include of <iostream> to <iosfwd> from absl/strings/cord.h PiperOrigin-RevId: 310657413 -- 39419418af6be4ac9b9204ebe2c7a92a6c3a0bc9 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 310615554 GitOrigin-RevId: 6a60bc6c79a3069f49986c2567dd51d2792f8ec1 Change-Id: I57dd35424269d67740272c4f88b2de54d8022cb2
77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
// Copyright 2020 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "gtest/gtest.h"
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#include "absl/base/optimization.h"
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#include "absl/strings/string_view.h"
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// This test by itself does not do anything fancy, but it serves as binary I can
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// query in shell test.
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namespace {
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template <class T>
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void DoNotOptimize(const T& var) {
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#ifdef __GNUC__
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asm volatile("" : "+m"(const_cast<T&>(var)));
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#else
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std::cout << (void*)&var;
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#endif
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}
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int very_long_int_variable_name ABSL_INTERNAL_UNIQUE_SMALL_NAME() = 0;
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char very_long_str_variable_name[] ABSL_INTERNAL_UNIQUE_SMALL_NAME() = "abc";
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TEST(UniqueSmallName, NonAutomaticVar) {
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EXPECT_EQ(very_long_int_variable_name, 0);
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EXPECT_EQ(absl::string_view(very_long_str_variable_name), "abc");
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}
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int VeryLongFreeFunctionName() ABSL_INTERNAL_UNIQUE_SMALL_NAME();
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TEST(UniqueSmallName, FreeFunction) {
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DoNotOptimize(&VeryLongFreeFunctionName);
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EXPECT_EQ(VeryLongFreeFunctionName(), 456);
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}
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int VeryLongFreeFunctionName() { return 456; }
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struct VeryLongStructName {
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explicit VeryLongStructName(int i);
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int VeryLongMethodName() ABSL_INTERNAL_UNIQUE_SMALL_NAME();
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static int VeryLongStaticMethodName() ABSL_INTERNAL_UNIQUE_SMALL_NAME();
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private:
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int fld;
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};
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TEST(UniqueSmallName, Struct) {
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VeryLongStructName var(10);
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DoNotOptimize(var);
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DoNotOptimize(&VeryLongStructName::VeryLongMethodName);
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DoNotOptimize(&VeryLongStructName::VeryLongStaticMethodName);
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EXPECT_EQ(var.VeryLongMethodName(), 10);
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EXPECT_EQ(VeryLongStructName::VeryLongStaticMethodName(), 123);
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}
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VeryLongStructName::VeryLongStructName(int i) : fld(i) {}
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int VeryLongStructName::VeryLongMethodName() { return fld; }
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int VeryLongStructName::VeryLongStaticMethodName() { return 123; }
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} // namespace
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