int main()
{
assert(unique1(""));
assert(unique1("a"));
assert(!unique1("aa"));
assert(unique1("asdfjkl;"));
assert(!unique1("asdfjkl;a"));
assert(unique2(""));
assert(unique2("a"));
assert(!unique2("aa"));
assert(unique2("asdfjkl;"));
assert(!unique2("asdfjkl;a"));
char s[][10] = {"", "abc", "abcd"};
char r[][10] = {"", "cba", "dcba"};
for (int i = 0; i < 3; i++) {
reverse(s[i]);
assert(strcmp(s[i], r[i]) == 0);
}
assert(is_permutation("abcd", "dcba"));
assert(!is_permutation("abcd", "ddcba"));
}
TEST(fxcrt, WeakPtrCyclic) {
PseudoDeletable thing1;
PseudoDeletable thing2;
{
UniquePtr unique1(&thing1);
UniquePtr unique2(&thing2);
WeakPtr ptr1(std::move(unique1));
WeakPtr ptr2(std::move(unique2));
ptr1->SetNext(ptr2);
ptr2->SetNext(ptr1);
}
// Leaks without explicit clear.
EXPECT_EQ(0, thing1.delete_count());
EXPECT_EQ(0, thing2.delete_count());
}
TEST(fxcrt, WeakPtrCyclicClear) {
PseudoDeletable thing1;
PseudoDeletable thing2;
{
UniquePtr unique1(&thing1);
UniquePtr unique2(&thing2);
WeakPtr ptr1(std::move(unique1));
WeakPtr ptr2(std::move(unique2));
ptr1->SetNext(ptr2);
ptr2->SetNext(ptr1);
ptr1.Clear();
EXPECT_EQ(1, thing1.delete_count());
EXPECT_EQ(0, thing2.delete_count());
}
EXPECT_EQ(1, thing1.delete_count());
EXPECT_EQ(1, thing2.delete_count());
}
TEST(fxcrt, WeakPtrResetNonNull) {
PseudoDeletable thing1;
PseudoDeletable thing2;
{
UniquePtr unique1(&thing1);
WeakPtr ptr1(std::move(unique1));
WeakPtr ptr2 = ptr1;
UniquePtr unique2(&thing2);
ptr2.Reset(std::move(unique2));
EXPECT_TRUE(ptr1);
EXPECT_EQ(&thing1, ptr1.Get());
EXPECT_TRUE(ptr2);
EXPECT_EQ(&thing2, ptr2.Get());
EXPECT_FALSE(ptr1 == ptr2);
EXPECT_TRUE(ptr1 != ptr2);
EXPECT_EQ(0, thing1.delete_count());
EXPECT_EQ(0, thing2.delete_count());
}
EXPECT_EQ(1, thing1.delete_count());
EXPECT_EQ(1, thing2.delete_count());
}
