File size: 2,767 Bytes
5cdf637 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | // SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2026-2026, The OpenROAD Authors
#include <stdexcept>
#include "gtest/gtest.h"
#include "utl/Logger.h"
#include "utl/ServiceRegistry.h"
namespace utl {
namespace {
struct IFoo
{
virtual ~IFoo() = default;
virtual int value() const = 0;
};
struct IBar
{
virtual ~IBar() = default;
virtual int other() const = 0;
};
struct FooImpl : IFoo
{
explicit FooImpl(int v) : v_(v) {}
int value() const override { return v_; }
int v_;
};
struct BarImpl : IBar
{
int other() const override { return 7; }
};
} // namespace
TEST(ServiceRegistry, FindReturnsNullWhenAbsent)
{
Logger logger;
ServiceRegistry registry(&logger);
EXPECT_EQ(registry.find<IFoo>(), nullptr);
}
TEST(ServiceRegistry, ProvideAndFind)
{
Logger logger;
ServiceRegistry registry(&logger);
FooImpl foo(42);
registry.provide<IFoo>(&foo);
EXPECT_EQ(registry.find<IFoo>(), &foo);
EXPECT_EQ(registry.find<IFoo>()->value(), 42);
}
TEST(ServiceRegistry, DifferentInterfacesAreIndependent)
{
Logger logger;
ServiceRegistry registry(&logger);
FooImpl foo(1);
BarImpl bar;
registry.provide<IFoo>(&foo);
registry.provide<IBar>(&bar);
EXPECT_EQ(registry.find<IFoo>(), &foo);
EXPECT_EQ(registry.find<IBar>(), &bar);
}
TEST(ServiceRegistry, RequireReturnsReference)
{
Logger logger;
ServiceRegistry registry(&logger);
FooImpl foo(5);
registry.provide<IFoo>(&foo);
EXPECT_EQ(®istry.require<IFoo>(), &foo);
}
TEST(ServiceRegistry, RequireErrorsWhenAbsent)
{
Logger logger;
ServiceRegistry registry(&logger);
EXPECT_THROW(registry.require<IFoo>(), std::runtime_error);
}
TEST(ServiceRegistry, DuplicateProvideErrors)
{
Logger logger;
ServiceRegistry registry(&logger);
FooImpl a(1), b(2);
registry.provide<IFoo>(&a);
EXPECT_THROW(registry.provide<IFoo>(&b), std::runtime_error);
}
TEST(ServiceRegistry, NullProvideErrors)
{
Logger logger;
ServiceRegistry registry(&logger);
EXPECT_THROW(registry.provide<IFoo>(nullptr), std::runtime_error);
}
TEST(ServiceRegistry, WithdrawRemovesOnlyMatchingProvider)
{
Logger logger;
ServiceRegistry registry(&logger);
FooImpl a(1), b(2);
registry.provide<IFoo>(&a);
// Withdraw with a non-matching pointer must be a no-op.
registry.withdraw<IFoo>(&b);
EXPECT_EQ(registry.find<IFoo>(), &a);
registry.withdraw<IFoo>(&a);
EXPECT_EQ(registry.find<IFoo>(), nullptr);
// After withdraw a new provider can register.
registry.provide<IFoo>(&b);
EXPECT_EQ(registry.find<IFoo>(), &b);
}
TEST(ServiceRegistry, WithdrawUnknownIsNoop)
{
Logger logger;
ServiceRegistry registry(&logger);
FooImpl a(1);
registry.withdraw<IFoo>(&a); // Nothing registered — must not throw.
SUCCEED();
}
} // namespace utl
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