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Updating queue iterators API

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Leonardo committed 2020-05-11 16:46:58 -03:00
1 parent 66c829701d
commit 7fa41df65a
3 files changed
+519 -130
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src/cmc/queue.h
+62 -72
View File
@@ -108,12 +108,6 @@ static const char *cmc_string_fmt_queue = "struct %s<%s> "
\ \
/* Custom callback functions */ \ /* Custom callback functions */ \
struct cmc_callbacks *callbacks; \ struct cmc_callbacks *callbacks; \
\
/* Function that returns an iterator to the start of the queue */ \
struct SNAME##_iter (*it_start)(struct SNAME *); \
\
/* Function that returns an iterator to the end of the queue */ \
struct SNAME##_iter (*it_end)(struct SNAME *); \
}; \ }; \
\ \
/* Value struct function table */ \ /* Value struct function table */ \
@@ -188,17 +182,15 @@ static const char *cmc_string_fmt_queue = "struct %s<%s> "
bool PFX##_print(struct SNAME *_queue_, FILE *fptr); \ bool PFX##_print(struct SNAME *_queue_, FILE *fptr); \
\ \
/* Iterator Functions */ \ /* Iterator Functions */ \
/* Iterator Allocation and Deallocation */ \
struct SNAME##_iter *PFX##_iter_new(struct SNAME *target); \
void PFX##_iter_free(struct SNAME##_iter *iter); \
/* Iterator Initialization */ \ /* Iterator Initialization */ \
void PFX##_iter_init(struct SNAME##_iter *iter, struct SNAME *target); \ struct SNAME##_iter PFX##_iter_start(struct SNAME *target); \
struct SNAME##_iter PFX##_iter_end(struct SNAME *target); \
/* Iterator State */ \ /* Iterator State */ \
bool PFX##_iter_start(struct SNAME##_iter *iter); \ bool PFX##_iter_at_start(struct SNAME##_iter *iter); \
bool PFX##_iter_end(struct SNAME##_iter *iter); \ bool PFX##_iter_at_end(struct SNAME##_iter *iter); \
/* Iterator Movement */ \ /* Iterator Movement */ \
void PFX##_iter_to_start(struct SNAME##_iter *iter); \ bool PFX##_iter_to_start(struct SNAME##_iter *iter); \
void PFX##_iter_to_end(struct SNAME##_iter *iter); \ bool PFX##_iter_to_end(struct SNAME##_iter *iter); \
bool PFX##_iter_next(struct SNAME##_iter *iter); \ bool PFX##_iter_next(struct SNAME##_iter *iter); \
bool PFX##_iter_prev(struct SNAME##_iter *iter); \ bool PFX##_iter_prev(struct SNAME##_iter *iter); \
bool PFX##_iter_advance(struct SNAME##_iter *iter, size_t steps); \ bool PFX##_iter_advance(struct SNAME##_iter *iter, size_t steps); \
@@ -215,8 +207,7 @@ static const char *cmc_string_fmt_queue = "struct %s<%s> "
#define CMC_GENERATE_QUEUE_SOURCE(PFX, SNAME, V) \ #define CMC_GENERATE_QUEUE_SOURCE(PFX, SNAME, V) \
\ \
/* Implementation Detail Functions */ \ /* Implementation Detail Functions */ \
static struct SNAME##_iter PFX##_impl_it_start(struct SNAME *_queue_); \ /* None */ \
static struct SNAME##_iter PFX##_impl_it_end(struct SNAME *_queue_); \
\ \
struct SNAME *PFX##_new(size_t capacity, struct SNAME##_fval *f_val) \ struct SNAME *PFX##_new(size_t capacity, struct SNAME##_fval *f_val) \
{ \ { \
@@ -249,8 +240,6 @@ static const char *cmc_string_fmt_queue = "struct %s<%s> "
_queue_->f_val = f_val; \ _queue_->f_val = f_val; \
_queue_->alloc = alloc; \ _queue_->alloc = alloc; \
_queue_->callbacks = NULL; \ _queue_->callbacks = NULL; \
_queue_->it_start = PFX##_impl_it_start; \
_queue_->it_end = PFX##_impl_it_end; \
\ \
return _queue_; \ return _queue_; \
} \ } \
@@ -289,8 +278,6 @@ static const char *cmc_string_fmt_queue = "struct %s<%s> "
_queue_->f_val = f_val; \ _queue_->f_val = f_val; \
_queue_->alloc = alloc; \ _queue_->alloc = alloc; \
_queue_->callbacks = callbacks; \ _queue_->callbacks = callbacks; \
_queue_->it_start = PFX##_impl_it_start; \
_queue_->it_end = PFX##_impl_it_end; \
\ \
return _queue_; \ return _queue_; \
} \ } \
@@ -583,66 +570,89 @@ static const char *cmc_string_fmt_queue = "struct %s<%s> "
return true; \ return true; \
} \ } \
\ \
struct SNAME##_iter *PFX##_iter_new(struct SNAME *target) \ struct SNAME##_iter PFX##_iter_start(struct SNAME *target) \
{ \ { \
struct SNAME##_iter *iter = \ struct SNAME##_iter iter; \
target->alloc->malloc(sizeof(struct SNAME##_iter)); \
\ \
if (!iter) \ iter.target = target; \
return NULL; \ iter.cursor = target->front; \
\ iter.index = 0; \
PFX##_iter_init(iter, target); \ iter.start = true; \
iter.end = PFX##_empty(target); \
\ \
return iter; \ return iter; \
} \ } \
\ \
void PFX##_iter_free(struct SNAME##_iter *iter) \ struct SNAME##_iter PFX##_iter_end(struct SNAME *target) \
{ \ { \
iter->target->alloc->free(iter); \ struct SNAME##_iter iter; \
\
iter.target = target; \
\
if (!PFX##_empty(target)) \
{ \
if (iter.target->back == 0) \
iter.cursor = iter.target->capacity - 1; \
else \
iter.cursor = iter.target->back - 1; \
\
iter.index = iter.target->count - 1; \
} \
else \
{ \
iter.cursor = 0; \
iter.index = 0; \
} \
\
iter.start = PFX##_empty(target); \
iter.end = true; \
\
return iter; \
} \ } \
\ \
void PFX##_iter_init(struct SNAME##_iter *iter, struct SNAME *target) \ bool PFX##_iter_at_start(struct SNAME##_iter *iter) \
{ \
iter->target = target; \
iter->cursor = target->front; \
iter->index = 0; \
iter->start = true; \
iter->end = PFX##_empty(target); \
} \
\
bool PFX##_iter_start(struct SNAME##_iter *iter) \
{ \ { \
return PFX##_empty(iter->target) || iter->start; \ return PFX##_empty(iter->target) || iter->start; \
} \ } \
\ \
bool PFX##_iter_end(struct SNAME##_iter *iter) \ bool PFX##_iter_at_end(struct SNAME##_iter *iter) \
{ \ { \
return PFX##_empty(iter->target) || iter->end; \ return PFX##_empty(iter->target) || iter->end; \
} \ } \
\ \
void PFX##_iter_to_start(struct SNAME##_iter *iter) \ bool PFX##_iter_to_start(struct SNAME##_iter *iter) \
{ \ { \
iter->cursor = iter->target->front; \ if (!PFX##_empty(iter->target)) \
iter->index = 0; \ { \
iter->start = true; \ iter->cursor = iter->target->front; \
iter->end = PFX##_empty(iter->target); \ iter->index = 0; \
iter->start = true; \
iter->end = false; \
\
return true; \
} \
\
return false; \
} \ } \
\ \
void PFX##_iter_to_end(struct SNAME##_iter *iter) \ bool PFX##_iter_to_end(struct SNAME##_iter *iter) \
{ \ { \
if (PFX##_empty(iter->target)) \ if (!PFX##_empty(iter->target)) \
iter->cursor = 0; \
else \
{ \ { \
if (iter->target->back == 0) \ if (iter->target->back == 0) \
iter->cursor = iter->target->capacity - 1; \ iter->cursor = iter->target->capacity - 1; \
else \ else \
iter->cursor = iter->target->back - 1; \ iter->cursor = iter->target->back - 1; \
\
iter->index = iter->target->count - 1; \
\
iter->start = false; \
iter->end = true; \
\
return true; \
} \ } \
\ \
iter->index = iter->target->count - 1; \ return false; \
iter->start = PFX##_empty(iter->target); \
iter->end = true; \
} \ } \
\ \
bool PFX##_iter_next(struct SNAME##_iter *iter) \ bool PFX##_iter_next(struct SNAME##_iter *iter) \
@@ -769,26 +779,6 @@ static const char *cmc_string_fmt_queue = "struct %s<%s> "
size_t PFX##_iter_index(struct SNAME##_iter *iter) \ size_t PFX##_iter_index(struct SNAME##_iter *iter) \
{ \ { \
return iter->index; \ return iter->index; \
} \
\
static struct SNAME##_iter PFX##_impl_it_start(struct SNAME *_queue_) \
{ \
struct SNAME##_iter iter; \
\
PFX##_iter_init(&iter, _queue_); \
PFX##_iter_to_start(&iter); \
\
return iter; \
} \
\
static struct SNAME##_iter PFX##_impl_it_end(struct SNAME *_queue_) \
{ \
struct SNAME##_iter iter; \
\
PFX##_iter_init(&iter, _queue_); \
PFX##_iter_to_end(&iter); \
\
return iter; \
} }
#endif /* CMC_QUEUE_H */ #endif /* CMC_QUEUE_H */
tests/main/src/queue.c
+51 -58
View File
@@ -11,8 +11,6 @@ struct queue
struct queue_fval *f_val; struct queue_fval *f_val;
struct cmc_alloc_node *alloc; struct cmc_alloc_node *alloc;
struct cmc_callbacks *callbacks; struct cmc_callbacks *callbacks;
struct queue_iter (*it_start)(struct queue *);
struct queue_iter (*it_end)(struct queue *);
}; };
struct queue_fval struct queue_fval
{ {
@@ -53,13 +51,12 @@ struct queue *q_copy_of(struct queue *_queue_);
_Bool q_equals(struct queue *_queue1_, struct queue *_queue2_); _Bool q_equals(struct queue *_queue1_, struct queue *_queue2_);
struct cmc_string q_to_string(struct queue *_queue_); struct cmc_string q_to_string(struct queue *_queue_);
_Bool q_print(struct queue *_queue_, FILE *fptr); _Bool q_print(struct queue *_queue_, FILE *fptr);
struct queue_iter *q_iter_new(struct queue *target); struct queue_iter q_iter_start(struct queue *target);
void q_iter_free(struct queue_iter *iter); struct queue_iter q_iter_end(struct queue *target);
void q_iter_init(struct queue_iter *iter, struct queue *target); _Bool q_iter_at_start(struct queue_iter *iter);
_Bool q_iter_start(struct queue_iter *iter); _Bool q_iter_at_end(struct queue_iter *iter);
_Bool q_iter_end(struct queue_iter *iter); _Bool q_iter_to_start(struct queue_iter *iter);
void q_iter_to_start(struct queue_iter *iter); _Bool q_iter_to_end(struct queue_iter *iter);
void q_iter_to_end(struct queue_iter *iter);
_Bool q_iter_next(struct queue_iter *iter); _Bool q_iter_next(struct queue_iter *iter);
_Bool q_iter_prev(struct queue_iter *iter); _Bool q_iter_prev(struct queue_iter *iter);
_Bool q_iter_advance(struct queue_iter *iter, size_t steps); _Bool q_iter_advance(struct queue_iter *iter, size_t steps);
@@ -68,8 +65,6 @@ _Bool q_iter_go_to(struct queue_iter *iter, size_t index);
size_t q_iter_value(struct queue_iter *iter); size_t q_iter_value(struct queue_iter *iter);
size_t *q_iter_rvalue(struct queue_iter *iter); size_t *q_iter_rvalue(struct queue_iter *iter);
size_t q_iter_index(struct queue_iter *iter); size_t q_iter_index(struct queue_iter *iter);
static struct queue_iter q_impl_it_start(struct queue *_queue_);
static struct queue_iter q_impl_it_end(struct queue *_queue_);
struct queue *q_new(size_t capacity, struct queue_fval *f_val) struct queue *q_new(size_t capacity, struct queue_fval *f_val)
{ {
struct cmc_alloc_node *alloc = &cmc_alloc_node_default; struct cmc_alloc_node *alloc = &cmc_alloc_node_default;
@@ -94,8 +89,6 @@ struct queue *q_new(size_t capacity, struct queue_fval *f_val)
_queue_->f_val = f_val; _queue_->f_val = f_val;
_queue_->alloc = alloc; _queue_->alloc = alloc;
_queue_->callbacks = ((void *)0); _queue_->callbacks = ((void *)0);
_queue_->it_start = q_impl_it_start;
_queue_->it_end = q_impl_it_end;
return _queue_; return _queue_;
} }
struct queue *q_new_custom(size_t capacity, struct queue_fval *f_val, struct queue *q_new_custom(size_t capacity, struct queue_fval *f_val,
@@ -125,8 +118,6 @@ struct queue *q_new_custom(size_t capacity, struct queue_fval *f_val,
_queue_->f_val = f_val; _queue_->f_val = f_val;
_queue_->alloc = alloc; _queue_->alloc = alloc;
_queue_->callbacks = callbacks; _queue_->callbacks = callbacks;
_queue_->it_start = q_impl_it_start;
_queue_->it_end = q_impl_it_end;
return _queue_; return _queue_;
} }
void q_clear(struct queue *_queue_) void q_clear(struct queue *_queue_)
@@ -348,55 +339,71 @@ _Bool q_print(struct queue *_queue_, FILE *fptr)
} }
return 1; return 1;
} }
struct queue_iter *q_iter_new(struct queue *target) struct queue_iter q_iter_start(struct queue *target)
{ {
struct queue_iter *iter = target->alloc->malloc(sizeof(struct queue_iter)); struct queue_iter iter;
if (!iter) iter.target = target;
return ((void *)0); iter.cursor = target->front;
q_iter_init(iter, target); iter.index = 0;
iter.start = 1;
iter.end = q_empty(target);
return iter; return iter;
} }
void q_iter_free(struct queue_iter *iter) struct queue_iter q_iter_end(struct queue *target)
{ {
iter->target->alloc->free(iter); struct queue_iter iter;
iter.target = target;
if (!q_empty(target))
{
if (iter.target->back == 0)
iter.cursor = iter.target->capacity - 1;
else
iter.cursor = iter.target->back - 1;
iter.index = iter.target->count - 1;
}
else
{
iter.cursor = 0;
iter.index = 0;
}
iter.start = q_empty(target);
iter.end = 1;
return iter;
} }
void q_iter_init(struct queue_iter *iter, struct queue *target) _Bool q_iter_at_start(struct queue_iter *iter)
{
iter->target = target;
iter->cursor = target->front;
iter->index = 0;
iter->start = 1;
iter->end = q_empty(target);
}
_Bool q_iter_start(struct queue_iter *iter)
{ {
return q_empty(iter->target) || iter->start; return q_empty(iter->target) || iter->start;
} }
_Bool q_iter_end(struct queue_iter *iter) _Bool q_iter_at_end(struct queue_iter *iter)
{ {
return q_empty(iter->target) || iter->end; return q_empty(iter->target) || iter->end;
} }
void q_iter_to_start(struct queue_iter *iter) _Bool q_iter_to_start(struct queue_iter *iter)
{ {
iter->cursor = iter->target->front; if (!q_empty(iter->target))
iter->index = 0; {
iter->start = 1; iter->cursor = iter->target->front;
iter->end = q_empty(iter->target); iter->index = 0;
iter->start = 1;
iter->end = 0;
return 1;
}
return 0;
} }
void q_iter_to_end(struct queue_iter *iter) _Bool q_iter_to_end(struct queue_iter *iter)
{ {
if (q_empty(iter->target)) if (!q_empty(iter->target))
iter->cursor = 0;
else
{ {
if (iter->target->back == 0) if (iter->target->back == 0)
iter->cursor = iter->target->capacity - 1; iter->cursor = iter->target->capacity - 1;
else else
iter->cursor = iter->target->back - 1; iter->cursor = iter->target->back - 1;
iter->index = iter->target->count - 1;
iter->start = 0;
iter->end = 1;
return 1;
} }
iter->index = iter->target->count - 1; return 0;
iter->start = q_empty(iter->target);
iter->end = 1;
} }
_Bool q_iter_next(struct queue_iter *iter) _Bool q_iter_next(struct queue_iter *iter)
{ {
@@ -487,17 +494,3 @@ size_t q_iter_index(struct queue_iter *iter)
{ {
return iter->index; return iter->index;
} }
static struct queue_iter q_impl_it_start(struct queue *_queue_)
{
struct queue_iter iter;
q_iter_init(&iter, _queue_);
q_iter_to_start(&iter);
return iter;
}
static struct queue_iter q_impl_it_end(struct queue *_queue_)
{
struct queue_iter iter;
q_iter_init(&iter, _queue_);
q_iter_to_end(&iter);
return iter;
}
tests/main/unt/queue.c
+406
View File
@@ -546,7 +546,413 @@ CMC_CREATE_UNIT(Queue, true, {
}); });
CMC_CREATE_UNIT(QueueIter, true, { CMC_CREATE_UNIT(QueueIter, true, {
CMC_CREATE_TEST(PFX##_iter_start(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_start(q);
cmc_assert_equals(ptr, q, it.target);
cmc_assert_equals(size_t, q->front, it.cursor);
cmc_assert_equals(size_t, 0, it.index);
cmc_assert_equals(bool, true, it.start);
cmc_assert_equals(bool, true, it.end);
cmc_assert(q_iter_at_start(&it));
cmc_assert(q_iter_at_end(&it));
cmc_assert(q_enqueue(q, 1));
cmc_assert(q_enqueue(q, 2));
it = q_iter_start(q);
cmc_assert_equals(size_t, 0, it.index);
cmc_assert_equals(bool, false, it.end);
cmc_assert_equals(size_t, q->front, it.cursor);
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_end(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_end(q);
cmc_assert_equals(ptr, q, it.target);
cmc_assert_equals(size_t, q->back, it.cursor);
cmc_assert_equals(size_t, 0, it.index);
cmc_assert_equals(bool, true, it.start);
cmc_assert_equals(bool, true, it.end);
cmc_assert(q_iter_at_start(&it));
cmc_assert(q_iter_at_end(&it));
cmc_assert(q_enqueue(q, 1));
cmc_assert(q_enqueue(q, 2));
cmc_assert(q_enqueue(q, 3));
it = q_iter_end(q);
cmc_assert_equals(size_t, q->count - 1, it.index);
cmc_assert_equals(size_t, q->back - 1, it.cursor);
cmc_assert_equals(bool, false, it.start);
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_at_start(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_start(q);
// Empty checks
cmc_assert(q_iter_at_start(&it));
it = q_iter_end(q);
cmc_assert(q_iter_at_start(&it));
// Non-empty check
cmc_assert(q_enqueue(q, 1));
it = q_iter_end(q);
cmc_assert(!q_iter_at_start(&it));
it = q_iter_start(q);
cmc_assert(q_iter_at_start(&it));
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_at_end(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_start(q);
// Empty check
cmc_assert(q_iter_at_end(&it));
it = q_iter_end(q);
cmc_assert(q_iter_at_end(&it));
// Non-empty check
cmc_assert(q_enqueue(q, 1));
it = q_iter_end(q);
cmc_assert(q_iter_at_end(&it));
it = q_iter_start(q);
cmc_assert(!q_iter_at_end(&it));
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_to_start(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_start(q);
cmc_assert(!q_iter_to_start(&it));
for (size_t i = 1; i <= 100; i++)
q_enqueue(q, i);
cmc_assert_equals(size_t, 100, q->count);
it = q_iter_end(q);
cmc_assert(!q_iter_at_start(&it));
cmc_assert(q_iter_at_end(&it));
cmc_assert_equals(size_t, 100, q_iter_value(&it));
cmc_assert(q_iter_to_start(&it));
cmc_assert(q_iter_at_start(&it));
cmc_assert(!q_iter_at_end(&it));
cmc_assert_equals(size_t, 1, q_iter_value(&it));
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_to_end(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_end(q);
cmc_assert(!q_iter_to_end(&it));
for (size_t i = 1; i <= 100; i++)
q_enqueue(q, i);
it = q_iter_start(q);
cmc_assert(q_iter_at_start(&it));
cmc_assert(!q_iter_at_end(&it));
cmc_assert_equals(size_t, 1, q_iter_value(&it));
cmc_assert(q_iter_to_end(&it));
cmc_assert(!q_iter_at_start(&it));
cmc_assert(q_iter_at_end(&it));
cmc_assert_equals(size_t, 100, q_iter_value(&it));
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_next(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_start(q);
cmc_assert(!q_iter_next(&it));
for (size_t i = 1; i <= 1000; i++)
q_enqueue(q, i);
size_t sum = 0;
for (it = q_iter_start(q); !q_iter_at_end(&it); q_iter_next(&it))
{
sum += q_iter_value(&it);
}
cmc_assert_equals(size_t, 500500, sum);
sum = 0;
q_iter_to_start(&it);
do
{
sum += q_iter_value(&it);
} while (q_iter_next(&it));
cmc_assert_equals(size_t, 500500, sum);
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_prev(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_end(q);
cmc_assert(!q_iter_prev(&it));
for (size_t i = 1; i <= 1000; i++)
q_enqueue(q, i);
size_t sum = 0;
for (it = q_iter_end(q); !q_iter_at_start(&it); q_iter_prev(&it))
{
sum += q_iter_value(&it);
}
cmc_assert_equals(size_t, 500500, sum);
sum = 0;
q_iter_to_end(&it);
do
{
sum += q_iter_value(&it);
} while (q_iter_prev(&it));
cmc_assert_equals(size_t, 500500, sum);
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_advance(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_start(q);
cmc_assert(!q_iter_advance(&it, 1));
for (size_t i = 0; i <= 1000; i++)
q_enqueue(q, i);
it = q_iter_start(q);
cmc_assert(!q_iter_advance(&it, 0));
cmc_assert(!q_iter_advance(&it, q->count));
size_t sum = 0;
for (it = q_iter_start(q);;)
{
sum += q_iter_value(&it);
if (!q_iter_advance(&it, 2))
break;
}
cmc_assert_equals(size_t, 250500, sum);
q_iter_to_start(&it);
cmc_assert(q_iter_advance(&it, q->count - 1));
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_rewind(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_end(q);
cmc_assert(!q_iter_rewind(&it, 1));
for (size_t i = 0; i <= 1000; i++)
q_enqueue(q, i);
it = q_iter_end(q);
cmc_assert(!q_iter_rewind(&it, 0));
cmc_assert(!q_iter_rewind(&it, q->count));
size_t sum = 0;
for (it = q_iter_end(q);;)
{
sum += q_iter_value(&it);
if (!q_iter_rewind(&it, 2))
break;
}
cmc_assert_equals(size_t, 250500, sum);
q_iter_to_end(&it);
cmc_assert(q_iter_rewind(&it, q->count - 1));
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_go_to(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_end(q);
cmc_assert(!q_iter_go_to(&it, 0));
it = q_iter_start(q);
cmc_assert(!q_iter_go_to(&it, 0));
for (size_t i = 0; i <= 1000; i++)
q_enqueue(q, i);
it = q_iter_start(q);
size_t sum = 0;
for (size_t i = 0; i < 1001; i++)
{
q_iter_go_to(&it, i);
sum += q_iter_value(&it);
}
cmc_assert_equals(size_t, 500500, sum);
sum = 0;
for (size_t i = 1001; i > 0; i--)
{
cmc_assert(q_iter_go_to(&it, i - 1));
sum += q_iter_value(&it);
}
cmc_assert_equals(size_t, 500500, sum);
sum = 0;
for (size_t i = 0; i < 1001; i += 100)
{
cmc_assert(q_iter_go_to(&it, i));
cmc_assert_equals(size_t, i, q_iter_index(&it));
sum += q_iter_value(&it);
}
cmc_assert_equals(size_t, 5500, sum);
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_value(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_end(q);
cmc_assert_equals(size_t, (size_t){ 0 }, q_iter_value(&it));
cmc_assert(q_enqueue(q, 10));
it = q_iter_start(q);
cmc_assert_equals(size_t, 10, q_iter_value(&it));
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_rvalue(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
struct queue_iter it = q_iter_end(q);
cmc_assert_equals(ptr, NULL, q_iter_rvalue(&it));
cmc_assert(q_enqueue(q, 10));
it = q_iter_start(q);
cmc_assert_not_equals(ptr, NULL, q_iter_rvalue(&it));
cmc_assert_equals(size_t, 10, *q_iter_rvalue(&it));
q_free(q);
});
CMC_CREATE_TEST(PFX##_iter_index(), {
struct queue *q = q_new(100, q_fval);
cmc_assert_not_equals(ptr, NULL, q);
for (size_t i = 0; i <= 1000; i++)
q_enqueue(q, i);
struct queue_iter it = q_iter_start(q);
for (size_t i = 0; i < 1001; i++)
{
cmc_assert_equals(size_t, i, q_iter_index(&it));
q_iter_next(&it);
}
it = q_iter_end(q);
for (size_t i = 1001; i > 0; i--)
{
cmc_assert_equals(size_t, i - 1, q_iter_index(&it));
q_iter_prev(&it);
}
q_free(q);
});
}); });
#ifdef CMC_TEST_MAIN #ifdef CMC_TEST_MAIN