/*
* Check that basic appending works.
*/
void IOQueueTest::testBasicWrite() {
OLA_ASSERT_EQ(0u, m_buffer->Size());
uint8_t data1[] = {0, 1, 2, 3, 4};
m_buffer->Write(data1, sizeof(data1));
OLA_ASSERT_EQ(5u, m_buffer->Size());
m_buffer->Pop(1);
OLA_ASSERT_EQ(4u, m_buffer->Size());
m_buffer->Pop(4);
OLA_ASSERT_EQ(0u, m_buffer->Size());
}
/**
* Test that Pop behaves
*/
void IOQueueTest::testPop() {
uint8_t data1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8};
m_buffer->Write(data1, sizeof(data1));
OLA_ASSERT_EQ(9u, m_buffer->Size());
OLA_ASSERT_FALSE(m_buffer->Empty());
m_buffer->Pop(9);
OLA_ASSERT_EQ(0u, m_buffer->Size());
OLA_ASSERT_TRUE(m_buffer->Empty());
// try to pop off more data
m_buffer->Pop(1);
OLA_ASSERT_EQ(0u, m_buffer->Size());
OLA_ASSERT_TRUE(m_buffer->Empty());
// add the data back, then try to pop off more than we have
m_buffer->Write(data1, sizeof(data1));
OLA_ASSERT_EQ(9u, m_buffer->Size());
OLA_ASSERT_FALSE(m_buffer->Empty());
m_buffer->Pop(10);
OLA_ASSERT_EQ(0u, m_buffer->Size());
OLA_ASSERT_TRUE(m_buffer->Empty());
// one more time
m_buffer->Write(data1, sizeof(data1));
OLA_ASSERT_EQ(9u, m_buffer->Size());
// Now try a buffer with smaller blocks
MemoryBlockPool pool(4);
IOQueue queue(&pool);
queue.Write(data1, sizeof(data1));
OLA_ASSERT_EQ(9u, queue.Size());
// pop the same amount as the first block size
queue.Pop(4);
OLA_ASSERT_EQ(5u, queue.Size());
OLA_ASSERT_FALSE(queue.Empty());
// now pop more than the buffer size
queue.Pop(6);
OLA_ASSERT_EQ(0u, queue.Size());
OLA_ASSERT_TRUE(queue.Empty());
// test the block boundry
uint8_t *output_data = new uint8_t[4];
m_buffer.reset(new IOQueue(&pool));
queue.Write(data1, 4);
OLA_ASSERT_EQ(4u, queue.Size());
unsigned int output_size = queue.Peek(output_data, 4);
ASSERT_DATA_EQUALS(__LINE__, data1, 4, output_data, output_size);
queue.Pop(4);
OLA_ASSERT_TRUE(queue.Empty());
// now add some more data
queue.Write(data1 + 4, 4);
OLA_ASSERT_EQ(4u, queue.Size());
output_size = queue.Peek(output_data, 4);
ASSERT_DATA_EQUALS(__LINE__, data1 + 4, 4, output_data, output_size);
queue.Pop(4);
OLA_ASSERT_TRUE(queue.Empty());
delete[] output_data;
}
