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#include "queue/Queue.hxx"
#include "song/DetachedSong.hxx"
#include "util/Macros.hxx"
#include <gtest/gtest.h>
Tag::Tag(const Tag &) noexcept {}
void Tag::Clear() noexcept {}
static void
check_descending_priority(const Queue *queue,
unsigned start_order)
{
assert(start_order < queue->GetLength());
uint8_t last_priority = 0xff;
for (unsigned order = start_order; order < queue->GetLength(); ++order) {
unsigned position = queue->OrderToPosition(order);
uint8_t priority = queue->items[position].priority;
assert(priority <= last_priority);
(void)last_priority;
last_priority = priority;
}
}
TEST(QueuePriority, Priority)
{
DetachedSong songs[16] = {
DetachedSong("0.ogg"),
DetachedSong("1.ogg"),
DetachedSong("2.ogg"),
DetachedSong("3.ogg"),
DetachedSong("4.ogg"),
DetachedSong("5.ogg"),
DetachedSong("6.ogg"),
DetachedSong("7.ogg"),
DetachedSong("8.ogg"),
DetachedSong("9.ogg"),
DetachedSong("a.ogg"),
DetachedSong("b.ogg"),
DetachedSong("c.ogg"),
DetachedSong("d.ogg"),
DetachedSong("e.ogg"),
DetachedSong("f.ogg"),
};
Queue queue(32);
for (unsigned i = 0; i < ARRAY_SIZE(songs); ++i)
queue.Append(DetachedSong(songs[i]), 0);
EXPECT_EQ(unsigned(ARRAY_SIZE(songs)), queue.GetLength());
/* priority=10 for 4 items */
queue.SetPriorityRange(4, 8, 10, -1);
queue.random = true;
queue.ShuffleOrder();
check_descending_priority(&queue, 0);
for (unsigned i = 0; i < 4; ++i) {
assert(queue.PositionToOrder(i) >= 4);
}
for (unsigned i = 4; i < 8; ++i) {
assert(queue.PositionToOrder(i) < 4);
}
for (unsigned i = 8; i < ARRAY_SIZE(songs); ++i) {
assert(queue.PositionToOrder(i) >= 4);
}
/* priority=50 one more item */
queue.SetPriorityRange(15, 16, 50, -1);
check_descending_priority(&queue, 0);
EXPECT_EQ(0u, queue.PositionToOrder(15));
for (unsigned i = 0; i < 4; ++i) {
assert(queue.PositionToOrder(i) >= 4);
}
for (unsigned i = 4; i < 8; ++i) {
assert(queue.PositionToOrder(i) >= 1 &&
queue.PositionToOrder(i) < 5);
}
for (unsigned i = 8; i < 15; ++i) {
assert(queue.PositionToOrder(i) >= 5);
}
/* priority=20 for one of the 4 priority=10 items */
queue.SetPriorityRange(3, 4, 20, -1);
check_descending_priority(&queue, 0);
EXPECT_EQ(1u, queue.PositionToOrder(3));
EXPECT_EQ(0u, queue.PositionToOrder(15));
for (unsigned i = 0; i < 3; ++i) {
assert(queue.PositionToOrder(i) >= 5);
}
for (unsigned i = 4; i < 8; ++i) {
assert(queue.PositionToOrder(i) >= 2 &&
queue.PositionToOrder(i) < 6);
}
for (unsigned i = 8; i < 15; ++i) {
assert(queue.PositionToOrder(i) >= 6);
}
/* priority=20 for another one of the 4 priority=10 items;
pass "after_order" (with priority=10) and see if it's moved
after that one */
unsigned current_order = 4;
unsigned current_position =
queue.OrderToPosition(current_order);
unsigned a_order = 3;
unsigned a_position = queue.OrderToPosition(a_order);
EXPECT_EQ(10u, unsigned(queue.items[a_position].priority));
queue.SetPriority(a_position, 20, current_order);
current_order = queue.PositionToOrder(current_position);
EXPECT_EQ(3u, current_order);
a_order = queue.PositionToOrder(a_position);
EXPECT_EQ(4u, a_order);
check_descending_priority(&queue, current_order + 1);
/* priority=70 for one of the last items; must be inserted
right after the current song, before the priority=20 one we
just created */
unsigned b_order = 10;
unsigned b_position = queue.OrderToPosition(b_order);
EXPECT_EQ(0u, unsigned(queue.items[b_position].priority));
queue.SetPriority(b_position, 70, current_order);
current_order = queue.PositionToOrder(current_position);
EXPECT_EQ(3u, current_order);
b_order = queue.PositionToOrder(b_position);
EXPECT_EQ(4u, b_order);
check_descending_priority(&queue, current_order + 1);
/* move the prio=20 item back */
a_order = queue.PositionToOrder(a_position);
EXPECT_EQ(5u, a_order);
EXPECT_EQ(20u, unsigned(queue.items[a_position].priority));
queue.SetPriority(a_position, 5, current_order);
current_order = queue.PositionToOrder(current_position);
EXPECT_EQ(3u, current_order);
a_order = queue.PositionToOrder(a_position);
EXPECT_EQ(6u, a_order);
}
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