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add not_null and strict_not_null tests for const (#1085)

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This commit is contained in:
Werner Henze
2023-02-06 13:16:06 -08:00
committed by GitHub
parent f7da2e41f0
commit 49c88f27bd
2 changed files with 182 additions and 9 deletions
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tests/notnull_tests.cpp
+75 -9
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@@ -441,6 +441,18 @@ TEST(notnull_tests, TestNotNullConstructorTypeDeduction)
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
not_null x{&i};
#ifdef CONFIRM_COMPILATION_ERRORS
helper(not_null{&i});
#endif
helper_const(not_null{&i});
EXPECT_TRUE(*x == 42);
}
{
int i = 42;
int* p = &i;
@@ -452,6 +464,19 @@ TEST(notnull_tests, TestNotNullConstructorTypeDeduction)
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
const int* p = &i;
not_null x{p};
#ifdef CONFIRM_COMPILATION_ERRORS
helper(not_null{p});
#endif
helper_const(not_null{p});
EXPECT_TRUE(*x == 42);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. TestNotNullConstructorTypeDeduction";
std::abort();
@@ -503,6 +528,18 @@ TEST(notnull_tests, TestMakeNotNull)
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
const auto x = make_not_null(&i);
#ifdef CONFIRM_COMPILATION_ERRORS
helper(make_not_null(&i));
#endif
helper_const(make_not_null(&i));
EXPECT_TRUE(*x == 42);
}
{
int i = 42;
int* p = &i;
@@ -514,6 +551,19 @@ TEST(notnull_tests, TestMakeNotNull)
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
const int* p = &i;
const auto x = make_not_null(p);
#ifdef CONFIRM_COMPILATION_ERRORS
helper(make_not_null(p));
#endif
helper_const(make_not_null(p));
EXPECT_TRUE(*x == 42);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. TestMakeNotNull";
std::abort();
@@ -556,15 +606,31 @@ TEST(notnull_tests, TestMakeNotNull)
TEST(notnull_tests, TestStdHash)
{
int x = 42;
int y = 99;
not_null<int*> nn{&x};
const not_null<int*> cnn{&x};
{
int x = 42;
int y = 99;
not_null<int*> nn{&x};
const not_null<int*> cnn{&x};
std::hash<not_null<int*>> hash_nn;
std::hash<int*> hash_intptr;
std::hash<not_null<int*>> hash_nn;
std::hash<int*> hash_intptr;
EXPECT_TRUE(hash_nn(nn) == hash_intptr(&x));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(&y));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(nullptr));
EXPECT_TRUE(hash_nn(nn) == hash_intptr(&x));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(&y));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(nullptr));
}
{
const int x = 42;
const int y = 99;
not_null<const int*> nn{&x};
const not_null<const int*> cnn{&x};
std::hash<not_null<const int*>> hash_nn;
std::hash<const int*> hash_intptr;
EXPECT_TRUE(hash_nn(nn) == hash_intptr(&x));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(&y));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(nullptr));
}
}