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5b72b6c2da
As noted in #995, this causes issues when the command line flag already starts with "benchmark_", which they all do. Not caught by tests as the test flags didn't start with "benchmark". Fixes #995
202 lines
5.2 KiB
C++
202 lines
5.2 KiB
C++
#include <cstdlib>
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#include "../src/commandlineflags.h"
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#include "../src/internal_macros.h"
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#include "gtest/gtest.h"
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namespace benchmark {
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namespace {
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#if defined(BENCHMARK_OS_WINDOWS)
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int setenv(const char* name, const char* value, int overwrite) {
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if (!overwrite) {
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// NOTE: getenv_s is far superior but not available under mingw.
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char* env_value = getenv(name);
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if (env_value == nullptr) {
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return -1;
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}
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}
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return _putenv_s(name, value);
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}
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int unsetenv(const char* name) {
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return _putenv_s(name, "");
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}
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#endif // BENCHMARK_OS_WINDOWS
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TEST(BoolFromEnv, Default) {
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ASSERT_EQ(unsetenv("NOT_IN_ENV"), 0);
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EXPECT_EQ(BoolFromEnv("not_in_env", true), true);
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}
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TEST(BoolFromEnv, False) {
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ASSERT_EQ(setenv("IN_ENV", "0", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "N", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "n", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "NO", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "No", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "no", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "F", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "f", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "FALSE", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "False", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "false", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "OFF", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "Off", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "off", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", true), false);
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unsetenv("IN_ENV");
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}
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TEST(BoolFromEnv, True) {
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ASSERT_EQ(setenv("IN_ENV", "1", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "Y", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "y", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "YES", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "Yes", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "yes", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "T", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "t", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "TRUE", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "True", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "true", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "ON", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "On", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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ASSERT_EQ(setenv("IN_ENV", "on", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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#ifndef BENCHMARK_OS_WINDOWS
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ASSERT_EQ(setenv("IN_ENV", "", 1), 0);
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EXPECT_EQ(BoolFromEnv("in_env", false), true);
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unsetenv("IN_ENV");
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#endif
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}
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TEST(Int32FromEnv, NotInEnv) {
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ASSERT_EQ(unsetenv("NOT_IN_ENV"), 0);
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EXPECT_EQ(Int32FromEnv("not_in_env", 42), 42);
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}
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TEST(Int32FromEnv, InvalidInteger) {
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ASSERT_EQ(setenv("IN_ENV", "foo", 1), 0);
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EXPECT_EQ(Int32FromEnv("in_env", 42), 42);
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unsetenv("IN_ENV");
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}
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TEST(Int32FromEnv, ValidInteger) {
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ASSERT_EQ(setenv("IN_ENV", "42", 1), 0);
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EXPECT_EQ(Int32FromEnv("in_env", 64), 42);
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unsetenv("IN_ENV");
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}
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TEST(DoubleFromEnv, NotInEnv) {
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ASSERT_EQ(unsetenv("NOT_IN_ENV"), 0);
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EXPECT_EQ(DoubleFromEnv("not_in_env", 0.51), 0.51);
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}
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TEST(DoubleFromEnv, InvalidReal) {
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ASSERT_EQ(setenv("IN_ENV", "foo", 1), 0);
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EXPECT_EQ(DoubleFromEnv("in_env", 0.51), 0.51);
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unsetenv("IN_ENV");
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}
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TEST(DoubleFromEnv, ValidReal) {
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ASSERT_EQ(setenv("IN_ENV", "0.51", 1), 0);
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EXPECT_EQ(DoubleFromEnv("in_env", 0.71), 0.51);
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unsetenv("IN_ENV");
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}
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TEST(StringFromEnv, Default) {
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ASSERT_EQ(unsetenv("NOT_IN_ENV"), 0);
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EXPECT_STREQ(StringFromEnv("not_in_env", "foo"), "foo");
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}
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TEST(StringFromEnv, Valid) {
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ASSERT_EQ(setenv("IN_ENV", "foo", 1), 0);
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EXPECT_STREQ(StringFromEnv("in_env", "bar"), "foo");
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unsetenv("IN_ENV");
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}
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} // namespace
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} // namespace benchmark
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