mirror of
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decoupling code that uses time from the code that creates a point in time. You can use this to your advantage by injecting Clocks into interfaces rather than having implementations call absl::Now() directly. absl::Clock::GetRealClock() returns an absl::Clock backed by absl::Now(). Add absl::SimulatedClock, a test-only Clock implementation that does not "tick" on its own. Time is advanced by explicit calls to the AdvanceTime() or SetTime() functions. This is intended to be used for dependency injection in tests to test how code behaves under simulated time conditions. PiperOrigin-RevId: 862858341 Change-Id: Ied9946dd84063c95505269971d3c996d4b66c6d8
245 lines
5.7 KiB
Python
245 lines
5.7 KiB
Python
#
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# Copyright 2017 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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#
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load("@rules_cc//cc:cc_binary.bzl", "cc_binary")
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load("@rules_cc//cc:cc_library.bzl", "cc_library")
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load("@rules_cc//cc:cc_test.bzl", "cc_test")
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load(
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"//absl:copts/configure_copts.bzl",
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"ABSL_DEFAULT_COPTS",
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"ABSL_DEFAULT_LINKOPTS",
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"ABSL_TEST_COPTS",
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)
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package(
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default_visibility = ["//visibility:public"],
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features = [
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"header_modules",
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"layering_check",
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"parse_headers",
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],
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)
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licenses(["notice"])
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cc_library(
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name = "time",
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srcs = [
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"civil_time.cc",
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"clock.cc",
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"duration.cc",
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"format.cc",
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"internal/get_current_time_chrono.inc",
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"internal/get_current_time_posix.inc",
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"time.cc",
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],
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hdrs = [
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"civil_time.h",
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"clock.h",
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"time.h",
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],
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copts = ABSL_DEFAULT_COPTS,
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linkopts = ABSL_DEFAULT_LINKOPTS,
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deps = [
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"//absl/base",
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"//absl/base:config",
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"//absl/base:core_headers",
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"//absl/base:raw_logging_internal",
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"//absl/numeric:int128",
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"//absl/strings",
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"//absl/strings:string_view",
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"//absl/time/internal/cctz:civil_time",
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"//absl/time/internal/cctz:time_zone",
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"//absl/types:optional",
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],
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)
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cc_library(
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name = "clock_interface",
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srcs = [
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"clock_interface.cc",
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],
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hdrs = [
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"clock_interface.h",
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],
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copts = ABSL_DEFAULT_COPTS,
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linkopts = ABSL_DEFAULT_LINKOPTS,
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deps = [
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":time",
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"//absl/base:config",
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"//absl/base:core_headers",
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"//absl/base:no_destructor",
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"//absl/base:nullability",
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"//absl/base:raw_logging_internal",
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"//absl/synchronization",
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],
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)
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cc_library(
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name = "simulated_clock",
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testonly = True,
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srcs = [
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"simulated_clock.cc",
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],
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hdrs = [
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"simulated_clock.h",
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],
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copts = ABSL_DEFAULT_COPTS,
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linkopts = ABSL_DEFAULT_LINKOPTS,
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deps = [
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":clock_interface",
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":time",
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"//absl/base:config",
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"//absl/base:core_headers",
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"//absl/base:nullability",
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"//absl/synchronization",
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],
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)
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cc_library(
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name = "test_util",
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testonly = True,
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srcs = ["internal/test_util.cc"],
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hdrs = ["internal/test_util.h"],
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copts = ABSL_DEFAULT_COPTS,
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linkopts = ABSL_DEFAULT_LINKOPTS,
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visibility = ["//visibility:private"],
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deps = [
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":time",
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"//absl/base:config",
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"//absl/base:raw_logging_internal",
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],
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)
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cc_test(
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name = "time_test",
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srcs = [
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"civil_time_test.cc",
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"clock_test.cc",
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"duration_test.cc",
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"format_test.cc",
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"time_test.cc",
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"time_zone_test.cc",
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],
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copts = ABSL_TEST_COPTS,
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data = ["//absl/time/internal/cctz:zoneinfo"],
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linkopts = ABSL_DEFAULT_LINKOPTS,
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deps = [
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":test_util",
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":time",
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"//absl/base:config",
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"//absl/base:core_headers",
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"//absl/hash:hash_testing",
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"//absl/numeric:int128",
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"//absl/random",
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"//absl/strings:str_format",
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"//absl/time/internal/cctz:time_zone",
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"@googletest//:gtest",
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"@googletest//:gtest_main",
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],
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)
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cc_test(
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name = "clock_interface_test",
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srcs = [
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"clock_interface_test.cc",
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],
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copts = ABSL_TEST_COPTS,
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linkopts = ABSL_DEFAULT_LINKOPTS,
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deps = [
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":clock_interface",
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":time",
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"//absl/functional:bind_front",
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"//absl/synchronization",
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"@googletest//:gtest",
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"@googletest//:gtest_main",
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],
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)
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cc_test(
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name = "simulated_clock_test",
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srcs = [
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"simulated_clock_test.cc",
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],
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copts = ABSL_TEST_COPTS,
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linkopts = ABSL_DEFAULT_LINKOPTS,
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deps = [
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":clock_interface",
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":simulated_clock",
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":time",
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"//absl/base:core_headers",
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"//absl/base:raw_logging_internal",
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"//absl/functional:bind_front",
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"//absl/random",
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"//absl/synchronization",
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"@googletest//:gtest",
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"@googletest//:gtest_main",
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],
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)
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cc_test(
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name = "flag_test",
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srcs = [
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"flag_test.cc",
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],
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copts = ABSL_TEST_COPTS,
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linkopts = ABSL_DEFAULT_LINKOPTS,
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tags = [
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"no_test_android_arm",
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"no_test_android_arm64",
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"no_test_android_x86",
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"no_test_ios_sim_arm64",
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"no_test_ios_x86_64",
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"no_test_lexan",
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"no_test_loonix",
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"no_test_wasm",
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],
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deps = [
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":time",
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"//absl/flags:flag",
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"//absl/flags:reflection",
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"@googletest//:gtest",
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"@googletest//:gtest_main",
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],
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)
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cc_binary(
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name = "time_benchmark",
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testonly = True,
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srcs = [
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"civil_time_benchmark.cc",
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"clock_benchmark.cc",
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"duration_benchmark.cc",
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"format_benchmark.cc",
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"time_benchmark.cc",
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],
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copts = ABSL_TEST_COPTS,
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data = ["//absl/time/internal/cctz:zoneinfo"],
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linkopts = ABSL_DEFAULT_LINKOPTS,
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tags = [
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"benchmark",
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],
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deps = [
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":test_util",
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":time",
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"//absl/base",
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"//absl/base:core_headers",
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"//absl/flags:flag",
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"//absl/hash",
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"@google_benchmark//:benchmark_main",
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],
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)
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