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Updating stack iterators

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Leonardo committed 2020-05-12 16:02:42 -03:00
1 parent 360e08b6b3
commit 51d7a58424
3 files changed
+419 -366
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src/cmc/stack.h
+42 -66
View File
@@ -85,12 +85,6 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
\
/* Custom callback functions */ \
struct cmc_callbacks *callbacks; \
\
/* Function that returns an iterator to the start of the stack */ \
struct SNAME##_iter (*it_start)(struct SNAME *); \
\
/* Function that returns an iterator to the end of the stack */ \
struct SNAME##_iter (*it_end)(struct SNAME *); \
}; \
\
/* Value struct function table */ \
@@ -162,17 +156,15 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
bool PFX##_print(struct SNAME *_stack_, FILE *fptr); \
\
/* 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 */ \
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 */ \
bool PFX##_iter_start(struct SNAME##_iter *iter); \
bool PFX##_iter_end(struct SNAME##_iter *iter); \
bool PFX##_iter_at_start(struct SNAME##_iter *iter); \
bool PFX##_iter_at_end(struct SNAME##_iter *iter); \
/* Iterator Movement */ \
void PFX##_iter_to_start(struct SNAME##_iter *iter); \
void PFX##_iter_to_end(struct SNAME##_iter *iter); \
bool PFX##_iter_to_start(struct SNAME##_iter *iter); \
bool PFX##_iter_to_end(struct SNAME##_iter *iter); \
bool PFX##_iter_next(struct SNAME##_iter *iter); \
bool PFX##_iter_prev(struct SNAME##_iter *iter); \
bool PFX##_iter_advance(struct SNAME##_iter *iter, size_t steps); \
@@ -189,8 +181,7 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
#define CMC_GENERATE_STACK_SOURCE(PFX, SNAME, V) \
\
/* Implementation Detail Functions */ \
static struct SNAME##_iter PFX##_impl_it_start(struct SNAME *_stack_); \
static struct SNAME##_iter PFX##_impl_it_end(struct SNAME *_stack_); \
/* None */ \
\
struct SNAME *PFX##_new(size_t capacity, struct SNAME##_fval *f_val) \
{ \
@@ -221,8 +212,6 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
_stack_->f_val = f_val; \
_stack_->alloc = alloc; \
_stack_->callbacks = NULL; \
_stack_->it_start = PFX##_impl_it_start; \
_stack_->it_end = PFX##_impl_it_end; \
\
return _stack_; \
} \
@@ -258,8 +247,6 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
_stack_->f_val = f_val; \
_stack_->alloc = alloc; \
_stack_->callbacks = callbacks; \
_stack_->it_start = PFX##_impl_it_start; \
_stack_->it_end = PFX##_impl_it_end; \
\
return _stack_; \
} \
@@ -505,60 +492,69 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
return true; \
} \
\
struct SNAME##_iter *PFX##_iter_new(struct SNAME *target) \
struct SNAME##_iter PFX##_iter_start(struct SNAME *target) \
{ \
struct SNAME##_iter *iter = \
target->alloc->malloc(sizeof(struct SNAME##_iter)); \
struct SNAME##_iter iter; \
\
if (!iter) \
return NULL; \
iter.target = target; \
iter.cursor = 0; \
iter.start = true; \
iter.end = PFX##_empty(target); \
\
PFX##_iter_init(iter, target); \
if (!PFX##_empty(target)) \
iter.cursor = target->count - 1; \
\
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; \
iter.cursor = 0; \
iter.start = PFX##_empty(target); \
iter.end = true; \
\
return iter; \
} \
\
void PFX##_iter_init(struct SNAME##_iter *iter, struct SNAME *target) \
{ \
iter->target = target; \
iter->cursor = PFX##_empty(target) ? 0 : iter->target->count - 1; \
iter->start = true; \
iter->end = PFX##_empty(target); \
} \
\
bool PFX##_iter_start(struct SNAME##_iter *iter) \
bool PFX##_iter_at_start(struct SNAME##_iter *iter) \
{ \
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; \
} \
\
void PFX##_iter_to_start(struct SNAME##_iter *iter) \
bool PFX##_iter_to_start(struct SNAME##_iter *iter) \
{ \
if (!PFX##_empty(iter->target)) \
{ \
iter->cursor = iter->target->count - 1; \
iter->start = true; \
iter->end = PFX##_empty(iter->target); \
\
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)) \
{ \
iter->cursor = 0; \
iter->start = PFX##_empty(iter->target); \
iter->end = true; \
\
return true; \
} \
\
return false; \
} \
\
bool PFX##_iter_next(struct SNAME##_iter *iter) \
@@ -584,7 +580,7 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
if (iter->start) \
return false; \
\
if (iter->cursor + 1 == PFX##_count(iter->target)) \
if (iter->cursor + 1 == iter->target->count) \
{ \
iter->start = true; \
return false; \
@@ -625,13 +621,13 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
if (iter->start) \
return false; \
\
if (iter->cursor + 1 == PFX##_count(iter->target)) \
if (iter->cursor + 1 == iter->target->count) \
{ \
iter->start = true; \
return false; \
} \
\
if (steps == 0 || iter->cursor + steps >= PFX##_count(iter->target)) \
if (steps == 0 || iter->cursor + steps >= iter->target->count) \
return false; \
\
iter->end = PFX##_empty(iter->target); \
@@ -645,13 +641,13 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
/* given index */ \
bool PFX##_iter_go_to(struct SNAME##_iter *iter, size_t index) \
{ \
if (index >= PFX##_count(iter->target)) \
if (index >= iter->target->count) \
return false; \
\
if (iter->cursor > index) \
return PFX##_iter_rewind(iter, iter->cursor - index); \
return PFX##_iter_advance(iter, iter->cursor - index); \
else if (iter->cursor < index) \
return PFX##_iter_advance(iter, index - iter->cursor); \
return PFX##_iter_rewind(iter, index - iter->cursor); \
\
return true; \
} \
@@ -678,26 +674,6 @@ static const char *cmc_string_fmt_stack = "struct %s<%s> "
return 0; \
\
return iter->target->count - 1 - iter->cursor; \
} \
\
static struct SNAME##_iter PFX##_impl_it_start(struct SNAME *_stack_) \
{ \
struct SNAME##_iter iter; \
\
PFX##_iter_init(&iter, _stack_); \
PFX##_iter_to_start(&iter); \
\
return iter; \
} \
\
static struct SNAME##_iter PFX##_impl_it_end(struct SNAME *_stack_) \
{ \
struct SNAME##_iter iter; \
\
PFX##_iter_init(&iter, _stack_); \
PFX##_iter_to_end(&iter); \
\
return iter; \
}
#endif /* CMC_STACK_H */
tests/main/src/stack.c
+35 -53
View File
@@ -9,8 +9,6 @@ struct stack
struct stack_fval *f_val;
struct cmc_alloc_node *alloc;
struct cmc_callbacks *callbacks;
struct stack_iter (*it_start)(struct stack *);
struct stack_iter (*it_end)(struct stack *);
};
struct stack_fval
{
@@ -50,13 +48,12 @@ struct stack *s_copy_of(struct stack *_stack_);
_Bool s_equals(struct stack *_stack1_, struct stack *_stack2_);
struct cmc_string s_to_string(struct stack *_stack_);
_Bool s_print(struct stack *_stack_, FILE *fptr);
struct stack_iter *s_iter_new(struct stack *target);
void s_iter_free(struct stack_iter *iter);
void s_iter_init(struct stack_iter *iter, struct stack *target);
_Bool s_iter_start(struct stack_iter *iter);
_Bool s_iter_end(struct stack_iter *iter);
void s_iter_to_start(struct stack_iter *iter);
void s_iter_to_end(struct stack_iter *iter);
struct stack_iter s_iter_start(struct stack *target);
struct stack_iter s_iter_end(struct stack *target);
_Bool s_iter_at_start(struct stack_iter *iter);
_Bool s_iter_at_end(struct stack_iter *iter);
_Bool s_iter_to_start(struct stack_iter *iter);
_Bool s_iter_to_end(struct stack_iter *iter);
_Bool s_iter_next(struct stack_iter *iter);
_Bool s_iter_prev(struct stack_iter *iter);
_Bool s_iter_advance(struct stack_iter *iter, size_t steps);
@@ -65,8 +62,6 @@ _Bool s_iter_go_to(struct stack_iter *iter, size_t index);
size_t s_iter_value(struct stack_iter *iter);
size_t *s_iter_rvalue(struct stack_iter *iter);
size_t s_iter_index(struct stack_iter *iter);
static struct stack_iter s_impl_it_start(struct stack *_stack_);
static struct stack_iter s_impl_it_end(struct stack *_stack_);
struct stack *s_new(size_t capacity, struct stack_fval *f_val)
{
struct cmc_alloc_node *alloc = &cmc_alloc_node_default;
@@ -89,8 +84,6 @@ struct stack *s_new(size_t capacity, struct stack_fval *f_val)
_stack_->f_val = f_val;
_stack_->alloc = alloc;
_stack_->callbacks = ((void *)0);
_stack_->it_start = s_impl_it_start;
_stack_->it_end = s_impl_it_end;
return _stack_;
}
struct stack *s_new_custom(size_t capacity, struct stack_fval *f_val,
@@ -118,8 +111,6 @@ struct stack *s_new_custom(size_t capacity, struct stack_fval *f_val,
_stack_->f_val = f_val;
_stack_->alloc = alloc;
_stack_->callbacks = callbacks;
_stack_->it_start = s_impl_it_start;
_stack_->it_end = s_impl_it_end;
return _stack_;
}
void s_clear(struct stack *_stack_)
@@ -303,50 +294,55 @@ _Bool s_print(struct stack *_stack_, FILE *fptr)
}
return 1;
}
struct stack_iter *s_iter_new(struct stack *target)
struct stack_iter s_iter_start(struct stack *target)
{
struct stack_iter *iter = target->alloc->malloc(sizeof(struct stack_iter));
if (!iter)
return ((void *)0);
s_iter_init(iter, target);
struct stack_iter iter;
iter.target = target;
iter.cursor = 0;
iter.start = 1;
iter.end = s_empty(target);
if (!s_empty(target))
iter.cursor = target->count - 1;
return iter;
}
void s_iter_free(struct stack_iter *iter)
struct stack_iter s_iter_end(struct stack *target)
{
iter->target->alloc->free(iter);
struct stack_iter iter;
iter.target = target;
iter.cursor = 0;
iter.start = s_empty(target);
iter.end = 1;
return iter;
}
void s_iter_init(struct stack_iter *iter, struct stack *target)
{
iter->target = target;
iter->cursor = s_empty(target) ? 0 : iter->target->count - 1;
iter->start = 1;
iter->end = s_empty(target);
}
_Bool s_iter_start(struct stack_iter *iter)
_Bool s_iter_at_start(struct stack_iter *iter)
{
return s_empty(iter->target) || iter->start;
}
_Bool s_iter_end(struct stack_iter *iter)
_Bool s_iter_at_end(struct stack_iter *iter)
{
return s_empty(iter->target) || iter->end;
}
void s_iter_to_start(struct stack_iter *iter)
_Bool s_iter_to_start(struct stack_iter *iter)
{
if (!s_empty(iter->target))
{
iter->cursor = iter->target->count - 1;
iter->start = 1;
iter->end = s_empty(iter->target);
return 1;
}
return 0;
}
void s_iter_to_end(struct stack_iter *iter)
_Bool s_iter_to_end(struct stack_iter *iter)
{
if (!s_empty(iter->target))
{
iter->cursor = 0;
iter->start = s_empty(iter->target);
iter->end = 1;
return 1;
}
return 0;
}
_Bool s_iter_next(struct stack_iter *iter)
{
@@ -365,7 +361,7 @@ _Bool s_iter_prev(struct stack_iter *iter)
{
if (iter->start)
return 0;
if (iter->cursor + 1 == s_count(iter->target))
if (iter->cursor + 1 == iter->target->count)
{
iter->start = 1;
return 0;
@@ -393,12 +389,12 @@ _Bool s_iter_rewind(struct stack_iter *iter, size_t steps)
{
if (iter->start)
return 0;
if (iter->cursor + 1 == s_count(iter->target))
if (iter->cursor + 1 == iter->target->count)
{
iter->start = 1;
return 0;
}
if (steps == 0 || iter->cursor + steps >= s_count(iter->target))
if (steps == 0 || iter->cursor + steps >= iter->target->count)
return 0;
iter->end = s_empty(iter->target);
iter->cursor += steps;
@@ -406,12 +402,12 @@ _Bool s_iter_rewind(struct stack_iter *iter, size_t steps)
}
_Bool s_iter_go_to(struct stack_iter *iter, size_t index)
{
if (index >= s_count(iter->target))
if (index >= iter->target->count)
return 0;
if (iter->cursor > index)
return s_iter_rewind(iter, iter->cursor - index);
return s_iter_advance(iter, iter->cursor - index);
else if (iter->cursor < index)
return s_iter_advance(iter, index - iter->cursor);
return s_iter_rewind(iter, index - iter->cursor);
return 1;
}
size_t s_iter_value(struct stack_iter *iter)
@@ -432,17 +428,3 @@ size_t s_iter_index(struct stack_iter *iter)
return 0;
return iter->target->count - 1 - iter->cursor;
}
static struct stack_iter s_impl_it_start(struct stack *_stack_)
{
struct stack_iter iter;
s_iter_init(&iter, _stack_);
s_iter_to_start(&iter);
return iter;
}
static struct stack_iter s_impl_it_end(struct stack *_stack_)
{
struct stack_iter iter;
s_iter_init(&iter, _stack_);
s_iter_to_end(&iter);
return iter;
}
tests/main/unt/stack.c
+342 -247
View File
@@ -406,334 +406,429 @@ CMC_CREATE_UNIT(Stack, true, {
});
CMC_CREATE_UNIT(StackIter, true, {
CMC_CREATE_TEST(iter_alloc, {
CMC_CREATE_TEST(PFX##_iter_start(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter *iter = s_iter_new(s);
struct stack_iter it = s_iter_start(s);
cmc_assert_not_equals(ptr, NULL, iter);
cmc_assert_equals(ptr, s, it.target);
cmc_assert_equals(size_t, 0, it.cursor);
cmc_assert_equals(bool, true, it.start);
cmc_assert_equals(bool, true, it.end);
s_iter_free(iter);
s_free(s);
});
cmc_assert(s_iter_at_start(&it));
cmc_assert(s_iter_at_end(&it));
CMC_CREATE_TEST(iter_init[count = 0], {
struct stack *s = s_new(100, s_fval);
cmc_assert(s_push(s, 1));
cmc_assert(s_push(s, 2));
cmc_assert_not_equals(ptr, NULL, s);
it = s_iter_start(s);
struct stack_iter iter;
s_iter_init(&iter, s);
cmc_assert_equals(ptr, iter.target, s);
cmc_assert_equals(size_t, iter.cursor, 0);
cmc_assert(iter.start);
cmc_assert(iter.end);
cmc_assert_equals(size_t, s->count - 1, it.cursor);
cmc_assert_equals(bool, false, it.end);
s_free(s);
});
CMC_CREATE_TEST(iter_start[count = 0], {
CMC_CREATE_TEST(PFX##_iter_end(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter iter;
struct stack_iter it = s_iter_end(s);
s_iter_init(&iter, s);
cmc_assert_equals(ptr, s, it.target);
cmc_assert_equals(size_t, 0, it.cursor);
cmc_assert_equals(bool, true, it.start);
cmc_assert_equals(bool, true, it.end);
cmc_assert(s_iter_start(&iter));
cmc_assert(s_iter_at_start(&it));
cmc_assert(s_iter_at_end(&it));
cmc_assert(s_push(s, 1));
cmc_assert(s_push(s, 2));
cmc_assert(s_push(s, 3));
it = s_iter_end(s);
cmc_assert_equals(size_t, 0, it.cursor);
cmc_assert_equals(bool, false, it.start);
s_free(s);
});
CMC_CREATE_TEST(iter_end[count = 0], {
CMC_CREATE_TEST(PFX##_iter_at_start(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter iter;
struct stack_iter it = s_iter_start(s);
s_iter_init(&iter, s);
// Empty checks
cmc_assert(s_iter_at_start(&it));
it = s_iter_end(s);
cmc_assert(s_iter_at_start(&it));
cmc_assert(s_iter_end(&iter));
// Non-empty checks
cmc_assert(s_push(s, 1));
it = s_iter_end(s);
cmc_assert(!s_iter_at_start(&it));
it = s_iter_start(s);
cmc_assert(s_iter_at_start(&it));
s_free(s);
});
CMC_CREATE_TEST(iteration, {
CMC_CREATE_TEST(PFX##_iter_at_end(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
for (size_t i = 1; i <= 200; i++)
cmc_assert(s_push(s, i));
struct stack_iter it = s_iter_start(s);
size_t total = 0;
// Empty check
cmc_assert(s_iter_at_end(&it));
it = s_iter_end(s);
cmc_assert(s_iter_at_end(&it));
for (struct stack_iter it = s->it_start(s); !s_iter_end(&it);
s_iter_next(&it))
// Non-empty checks
cmc_assert(s_push(s, 1));
it = s_iter_end(s);
cmc_assert(s_iter_at_end(&it));
it = s_iter_start(s);
cmc_assert(!s_iter_at_end(&it));
s_free(s);
});
CMC_CREATE_TEST(PFX##_iter_to_start(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter it = s_iter_start(s);
cmc_assert(!s_iter_to_start(&it));
for (size_t i = 1; i <= 100; i++)
s_push(s, i);
cmc_assert_equals(size_t, 100, s->count);
it = s_iter_end(s);
cmc_assert(!s_iter_at_start(&it));
cmc_assert(s_iter_at_end(&it));
cmc_assert_equals(size_t, 1, s_iter_value(&it));
cmc_assert(s_iter_to_start(&it));
cmc_assert(s_iter_at_start(&it));
cmc_assert(!s_iter_at_end(&it));
cmc_assert_equals(size_t, 100, s_iter_value(&it));
s_free(s);
});
CMC_CREATE_TEST(PFX##_iter_to_end(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter it = s_iter_end(s);
cmc_assert(!s_iter_to_end(&it));
for (size_t i = 1; i <= 100; i++)
s_push(s, i);
it = s_iter_start(s);
cmc_assert(s_iter_at_start(&it));
cmc_assert(!s_iter_at_end(&it));
cmc_assert_equals(size_t, 100, s_iter_value(&it));
cmc_assert(s_iter_to_end(&it));
cmc_assert(!s_iter_at_start(&it));
cmc_assert(s_iter_at_end(&it));
cmc_assert_equals(size_t, 1, s_iter_value(&it));
s_free(s);
});
CMC_CREATE_TEST(PFX##_iter_next(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter it = s_iter_start(s);
cmc_assert(!s_iter_next(&it));
for (size_t i = 1; i <= 1000; i++)
s_push(s, i);
size_t sum = 0;
for (it = s_iter_start(s); !s_iter_at_end(&it); s_iter_next(&it))
{
total += s_iter_value(&it);
sum += s_iter_value(&it);
}
cmc_assert_equals(size_t, 20100, total);
cmc_assert_equals(size_t, 500500, sum);
for (struct stack_iter it = s->it_end(s); !s_iter_start(&it);
s_iter_prev(&it))
{
total += s_iter_value(&it);
}
cmc_assert_equals(size_t, 40200, total);
s_free(s);
});
CMC_CREATE_TEST(iteration[while loop], {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
for (size_t i = 1; i <= 200; i++)
cmc_assert(s_push(s, i));
size_t total = 0;
struct stack_iter it = s->it_start(s);
sum = 0;
s_iter_to_start(&it);
do
{
total += s_iter_value(&it);
sum += s_iter_value(&it);
} while (s_iter_next(&it));
cmc_assert_equals(size_t, 20100, total);
cmc_assert_equals(size_t, 500500, sum);
it = s->it_end(s);
s_free(s);
});
CMC_CREATE_TEST(PFX##_iter_prev(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter it = s_iter_end(s);
cmc_assert(!s_iter_prev(&it));
for (size_t i = 1; i <= 1000; i++)
s_push(s, i);
size_t sum = 0;
for (it = s_iter_end(s); !s_iter_at_start(&it); s_iter_prev(&it))
{
sum += s_iter_value(&it);
}
cmc_assert_equals(size_t, 500500, sum);
sum = 0;
s_iter_to_end(&it);
do
{
total += s_iter_value(&it);
sum += s_iter_value(&it);
} while (s_iter_prev(&it));
cmc_assert_equals(size_t, 40200, total);
cmc_assert_equals(size_t, 500500, sum);
s_free(s);
});
CMC_CREATE_TEST(iteration[count = 1], {
CMC_CREATE_TEST(PFX##_iter_advance(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter it = s_iter_start(s);
cmc_assert(!s_iter_advance(&it, 1));
for (size_t i = 0; i <= 1000; i++)
s_push(s, i);
it = s_iter_start(s);
cmc_assert(!s_iter_advance(&it, 0));
cmc_assert(!s_iter_advance(&it, s->count));
size_t sum = 0;
for (it = s_iter_start(s);;)
{
sum += s_iter_value(&it);
if (!s_iter_advance(&it, 2))
break;
}
cmc_assert_equals(size_t, 250500, sum);
s_iter_to_start(&it);
cmc_assert(s_iter_advance(&it, s->count - 1));
// sum (1000, 990, 980, 970, ..., 910, 900)
sum = 0;
it = s_iter_start(s);
for (size_t val = s_iter_value(&it); val > 900; s_iter_advance(&it, 10))
{
val = s_iter_value(&it);
sum += val;
}
cmc_assert_equals(size_t, 10450, sum);
s_free(s);
});
CMC_CREATE_TEST(PFX##_iter_rewind(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter it = s_iter_end(s);
cmc_assert(!s_iter_rewind(&it, 1));
for (size_t i = 0; i <= 1000; i++)
s_push(s, i);
it = s_iter_end(s);
cmc_assert(!s_iter_rewind(&it, 0));
cmc_assert(!s_iter_rewind(&it, s->count));
size_t sum = 0;
for (it = s_iter_end(s);;)
{
sum += s_iter_value(&it);
if (!s_iter_rewind(&it, 2))
break;
}
cmc_assert_equals(size_t, 250500, sum);
s_iter_to_end(&it);
cmc_assert(s_iter_rewind(&it, s->count - 1));
// sum (0, 10, 20, ..., 90, 100)
sum = 0;
it = s_iter_end(s);
for (size_t val = s_iter_value(&it); val < 100; s_iter_rewind(&it, 10))
{
val = s_iter_value(&it);
sum += val;
}
cmc_assert_equals(size_t, 550, sum);
s_free(s);
});
CMC_CREATE_TEST(PFX##_iter_go_to(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter it = s_iter_end(s);
cmc_assert(!s_iter_go_to(&it, 0));
it = s_iter_start(s);
cmc_assert(!s_iter_go_to(&it, 0));
for (size_t i = 1001; i > 0; i--)
s_push(s, i - 1);
it = s_iter_start(s);
size_t sum = 0;
for (size_t i = 0; i < 1001; i++)
{
s_iter_go_to(&it, i);
sum += s_iter_value(&it);
}
cmc_assert_equals(size_t, 500500, sum);
sum = 0;
for (size_t i = 1001; i > 0; i--)
{
cmc_assert(s_iter_go_to(&it, i - 1));
sum += s_iter_value(&it);
}
cmc_assert_equals(size_t, 500500, sum);
sum = 0;
for (size_t i = 1000; i > 0; i -= 100)
{
cmc_assert(s_iter_go_to(&it, 1000 - i));
cmc_assert_equals(size_t, i, s_iter_index(&it));
sum += s_iter_value(&it);
}
cmc_assert_equals(size_t, 5500, sum);
s_free(s);
});
CMC_CREATE_TEST(PFX##_iter_value(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter it = s_iter_end(s);
cmc_assert_equals(size_t, (size_t){ 0 }, s_iter_value(&it));
cmc_assert(s_push(s, 10));
size_t total = 0;
it = s_iter_start(s);
for (struct stack_iter it = s->it_start(s); !s_iter_end(&it);
s_iter_next(&it))
{
total += s_iter_value(&it);
}
for (struct stack_iter it = s->it_end(s); !s_iter_start(&it);
s_iter_prev(&it))
{
total += s_iter_value(&it);
}
cmc_assert_equals(size_t, 20, total);
cmc_assert_equals(size_t, 10, s_iter_value(&it));
s_free(s);
});
CMC_CREATE_TEST(iteration[count = capacity], {
CMC_CREATE_TEST(PFX##_iter_rvalue(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
while (!s_full(s))
cmc_assert(s_push(s, 10));
struct stack_iter it = s_iter_end(s);
cmc_assert_equals(size_t, s_capacity(s), s_count(s));
cmc_assert_equals(ptr, NULL, s_iter_rvalue(&it));
size_t total = 0;
cmc_assert(s_push(s, 10));
for (struct stack_iter it = s->it_start(s); !s_iter_end(&it);
s_iter_next(&it))
it = s_iter_start(s);
cmc_assert_not_equals(ptr, NULL, s_iter_rvalue(&it));
cmc_assert_equals(size_t, 10, *s_iter_rvalue(&it));
s_free(s);
});
CMC_CREATE_TEST(PFX##_iter_index(), {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
for (size_t i = 0; i <= 1000; i++)
s_push(s, i);
struct stack_iter it = s_iter_start(s);
for (size_t i = 0; i < 1001; i++)
{
total += s_iter_value(&it);
cmc_assert_equals(size_t, i, s_iter_index(&it));
s_iter_next(&it);
}
cmc_assert_equals(size_t, 1000, total);
for (struct stack_iter it = s->it_end(s); !s_iter_start(&it);
s_iter_prev(&it))
it = s_iter_end(s);
for (size_t i = 1001; i > 0; i--)
{
total += *s_iter_rvalue(&it);
cmc_assert_equals(size_t, i - 1, s_iter_index(&it));
s_iter_prev(&it);
}
cmc_assert_equals(size_t, 2000, total);
s_free(s);
});
CMC_CREATE_TEST(iteration[to_start = it_start and to_end = it_end], {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
for (size_t i = 0; i < 50; i++)
cmc_assert(s_push(s, i));
struct stack_iter it1;
struct stack_iter it2;
memset(&it1, 0, sizeof(struct stack_iter));
memset(&it2, 0, sizeof(struct stack_iter));
s_iter_init(&it2, s);
it1 = s->it_start(s);
s_iter_to_start(&it2);
cmc_assert_equals(ptr, it1.target, it2.target);
cmc_assert_equals(size_t, it1.cursor, it2.cursor);
cmc_assert_equals(bool, it1.start, it2.start);
cmc_assert_equals(bool, it1.end, it2.end);
it1 = s->it_end(s);
s_iter_to_end(&it2);
cmc_assert_equals(ptr, it1.target, it2.target);
cmc_assert_equals(size_t, it1.cursor, it2.cursor);
cmc_assert_equals(bool, it1.start, it2.start);
cmc_assert_equals(bool, it1.end, it2.end);
s_free(s);
});
CMC_CREATE_TEST(iteration[boundaries count = 0], {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter iter;
s_iter_init(&iter, s);
s_iter_to_end(&iter);
cmc_assert_equals(bool, false, s_iter_next(&iter));
s_iter_to_start(&iter);
cmc_assert_equals(bool, false, s_iter_prev(&iter));
s_free(s);
});
CMC_CREATE_TEST(iteration[boundaries count > 0], {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
for (size_t i = 0; i < 200; i++)
cmc_assert(s_push(s, i));
struct stack_iter iter;
s_iter_init(&iter, s);
s_iter_to_end(&iter);
cmc_assert_equals(bool, false, s_iter_next(&iter));
s_iter_to_start(&iter);
cmc_assert_equals(bool, false, s_iter_prev(&iter));
s_free(s);
});
CMC_CREATE_TEST(iter_value[count = 0], {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter iter;
s_iter_init(&iter, s);
cmc_assert_equals(size_t, (size_t){ 0 }, s_iter_value(&iter));
s_free(s);
});
CMC_CREATE_TEST(iter_rvalue[count = 0], {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter iter;
s_iter_init(&iter, s);
cmc_assert_equals(ptr, NULL, s_iter_rvalue(&iter));
s_free(s);
});
CMC_CREATE_TEST(index, {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
for (size_t i = 0; i < 10; i++)
cmc_assert(s_push(s, i));
cmc_assert_equals(size_t, 10, s_count(s));
size_t total = 0;
for (struct stack_iter it = s->it_start(s); false;)
{
cmc_assert_equals(size_t, 0, s_iter_index(&it));
}
for (struct stack_iter it = s->it_start(s); false;)
{
cmc_assert_equals(size_t, s_count(s) - 1, s_iter_index(&it));
}
for (struct stack_iter it = s->it_start(s); !s_iter_end(&it);
s_iter_next(&it))
{
total += s_iter_index(&it);
}
cmc_assert_equals(size_t, 45, total);
for (struct stack_iter it = s->it_end(s); !s_iter_start(&it);
s_iter_prev(&it))
{
total += s_iter_index(&it);
}
cmc_assert_equals(size_t, 90, total);
s_free(s);
});
CMC_CREATE_TEST(index[count = 0], {
struct stack *s = s_new(100, s_fval);
cmc_assert_not_equals(ptr, NULL, s);
struct stack_iter iter;
s_iter_init(&iter, s);
cmc_assert_equals(size_t, 0, s_iter_index(&iter));
s_free(s);
});
});