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[wpiutil] Remove unused ManagedStatic class (#4358)

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We migrated to magic statics for lazy construction like the following:
```cpp
class Singleton {
  static Singleton& GetSingleton() {
    static Singleton instance;
    return instance;
  }
};
```
This commit is contained in:
Tyler Veness
2022-08-17 18:04:42 -07:00
committed by GitHub
parent ac9be78e27
commit ea6b1d8449
4 changed files with 0 additions and 261 deletions
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58
wpiutil/src/test/native/ManagedStaticTest.cpp
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@@ -1,58 +0,0 @@
// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
#include "wpi/ManagedStatic.h" // NOLINT(build/include_order)
#include "gtest/gtest.h"
static int refCount = 0;
struct StaticTestClass {
StaticTestClass() { refCount++; }
~StaticTestClass() { refCount--; }
void Func() {}
};
namespace wpi {
TEST(ManagedStaticTest, LazyDoesNotInitialize) {
{
refCount = 0;
wpi::ManagedStatic<StaticTestClass> managedStatic;
(void)managedStatic;
ASSERT_EQ(refCount, 0);
}
ASSERT_EQ(refCount, 0);
wpi_shutdown();
}
TEST(ManagedStaticTest, LazyInitDoesntDestruct) {
{
refCount = 0;
wpi::ManagedStatic<StaticTestClass> managedStatic;
ASSERT_EQ(refCount, 0);
managedStatic->Func();
ASSERT_EQ(refCount, 1);
}
ASSERT_EQ(refCount, 1);
wpi_shutdown();
ASSERT_EQ(refCount, 0);
}
TEST(ManagedStaticTest, EagerInit) {
{
refCount = 0;
StaticTestClass* test = new StaticTestClass{};
ASSERT_EQ(refCount, 1); // NOLINT
wpi::ManagedStatic<StaticTestClass> managedStatic(
test, [](void* val) { delete static_cast<StaticTestClass*>(val); });
ASSERT_EQ(refCount, 1);
managedStatic->Func();
ASSERT_EQ(refCount, 1);
}
ASSERT_EQ(refCount, 1);
wpi_shutdown();
ASSERT_EQ(refCount, 0);
}
} // namespace wpi