/*
* Check that SetRange works.
*/
void DmxBufferTest::testSetRange() {
unsigned int data_size = sizeof(TEST_DATA);
DmxBuffer buffer;
OLA_ASSERT_FALSE(buffer.SetRange(0, NULL, data_size));
OLA_ASSERT_FALSE(buffer.SetRange(600, TEST_DATA, data_size));
// Setting an uninitialized buffer calls blackout first
OLA_ASSERT_TRUE(buffer.SetRange(0, TEST_DATA, data_size));
OLA_ASSERT_EQ((unsigned int) DMX_UNIVERSE_SIZE, buffer.Size());
OLA_ASSERT_EQ(0, memcmp(TEST_DATA, buffer.GetRaw(), data_size));
// try overrunning the buffer
OLA_ASSERT_TRUE(buffer.SetRange(DMX_UNIVERSE_SIZE - 2, TEST_DATA, data_size));
OLA_ASSERT_EQ((unsigned int) DMX_UNIVERSE_SIZE, buffer.Size());
OLA_ASSERT_EQ(0, memcmp(TEST_DATA, buffer.GetRaw() + DMX_UNIVERSE_SIZE - 2,
2));
// reset the buffer so that the valid data is 0, and try again
buffer.Reset();
OLA_ASSERT_TRUE(buffer.SetRange(0, TEST_DATA, data_size));
OLA_ASSERT_EQ((unsigned int) data_size, buffer.Size());
OLA_ASSERT_EQ(0, memcmp(TEST_DATA, buffer.GetRaw(), data_size));
// setting past the end of the valid data should fail
OLA_ASSERT_FALSE(buffer.SetRange(50, TEST_DATA, data_size));
OLA_ASSERT_EQ((unsigned int) data_size, buffer.Size());
OLA_ASSERT_EQ(0, memcmp(TEST_DATA, buffer.GetRaw(), buffer.Size()));
// overwrite part of the valid data
unsigned int offset = 2;
OLA_ASSERT_TRUE(buffer.SetRange(offset, TEST_DATA, data_size));
OLA_ASSERT_EQ((unsigned int) data_size + offset,
buffer.Size());
OLA_ASSERT_EQ(0, memcmp(TEST_DATA, buffer.GetRaw(), offset));
OLA_ASSERT_EQ(0, memcmp(TEST_DATA, buffer.GetRaw() + offset,
buffer.Size() - offset));
// now try writing 1 channel past the valid data
buffer.Reset();
OLA_ASSERT_TRUE(buffer.SetRange(0, TEST_DATA, data_size));
OLA_ASSERT_TRUE(buffer.SetRange(data_size, TEST_DATA,
data_size));
OLA_ASSERT_EQ((unsigned int) data_size * 2, buffer.Size());
OLA_ASSERT_EQ(0, memcmp(TEST_DATA, buffer.GetRaw(), data_size));
OLA_ASSERT_EQ(0, memcmp(TEST_DATA, buffer.GetRaw() + data_size, data_size));
}
/*
* Check that SetRangeToValue works
*/
void DmxBufferTest::testSetRangeToValue() {
const uint8_t RANGE_DATA[] = {50, 50, 50, 50, 50};
DmxBuffer buffer;
OLA_ASSERT_FALSE(buffer.SetRangeToValue(600, 50, 2));
unsigned int range_size = 5;
OLA_ASSERT_TRUE(buffer.SetRangeToValue(0, 50, range_size));
OLA_ASSERT_EQ((unsigned int) DMX_UNIVERSE_SIZE, buffer.Size());
OLA_ASSERT_EQ(0, memcmp(RANGE_DATA, buffer.GetRaw(), range_size));
// setting outside the value range should fail
buffer.Reset();
OLA_ASSERT_FALSE(buffer.SetRange(10, TEST_DATA, range_size));
}
/*
* Test that Blackout() works
*/
void DmxBufferTest::testBlackout() {
DmxBuffer buffer;
OLA_ASSERT_TRUE(buffer.Blackout());
uint8_t *result = new uint8_t[DMX_UNIVERSE_SIZE];
uint8_t *zero = new uint8_t[DMX_UNIVERSE_SIZE];
unsigned int result_length = DMX_UNIVERSE_SIZE;
memset(zero, 0, DMX_UNIVERSE_SIZE);
buffer.Get(result, &result_length);
OLA_ASSERT_EQ((unsigned int) DMX_UNIVERSE_SIZE, result_length);
OLA_ASSERT_EQ(0, memcmp(zero, result, result_length));
delete[] result;
delete[] zero;
buffer.Reset();
OLA_ASSERT_EQ(0u, buffer.Size());
}