TEST(CircularBuffer, PrintAfterOnePut)
{
MockPrinter mock;
buffer->Put(1);
buffer->Print(&mock);
CHECK_EQUAL("Circular buffer content:\n<1>\n",
mock.getOutput());
}
TEST(CircularBuffer, PrintEmpty)
{
MockPrinter mock;
Printer* p = &mock;
buffer->Print(p);
CHECK_EQUAL("Circular buffer content:\n<>\n",
mock.getOutput());
}
TEST(CircularBuffer, PrintNotYetWrappedOrFull)
{
MockPrinter mock;
buffer->Put(1);
buffer->Put(2);
buffer->Put(3);
buffer->Print(&mock);
CHECK_EQUAL("Circular buffer content:\n<1, 2, 3>\n",
mock.getOutput());
}
TEST(CircularBuffer, FillEmptyThenPrint)
{
MockPrinter mock;
fillTheQueue(200, buffer->Capacity());
removeFromQueue(buffer->Capacity());
buffer->Print(&mock);
const char* expected = "Circular buffer content:\n"
"<>\n";
CHECK_EQUAL(expected, mock.getOutput());
}
TEST(CircularBuffer, PrintNotYetWrappedAndIsFull)
{
MockPrinter mock;
fillTheQueue(200, buffer->Capacity());
buffer->Print(&mock);
const char* expected = "Circular buffer content:\n"
"<200, 201, 202, 203, 204>\n";
CHECK_EQUAL(expected, mock.getOutput());
}
TEST(CircularBuffer, PrintWrappedAndFullOverwriteOldest)
{
MockPrinter mock;
fillTheQueue(200, buffer->Capacity());
buffer->Put(9999);
buffer->Print(&mock);
const char* expected = "Circular buffer content:\n"
"<201, 202, 203, 204, 9999>\n";
CHECK_EQUAL(expected, mock.getOutput());
}
TEST(CircularBuffer, PrintBoundary)
{
MockPrinter mock;
fillTheQueue(200, buffer->Capacity());
removeFromQueue(buffer->Capacity() - 2);
buffer->Put(888);
fillTheQueue(300, buffer->Capacity() - 1);
buffer->Print(&mock);
const char* expected = "Circular buffer content:\n"
"<888, 300, 301, 302, 303>\n";
CHECK_EQUAL(expected, mock.getOutput());
}