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#include <test.h>
#include <rb-tree.h>
#include <alloc.h>
#include <sequence.h>
#include <stdlib.h>
static void *_IntCopy(const void *_a)
{
return xmemdup(_a, sizeof(int));
}
static int _IntCompare(const void *_a, const void *_b)
{
const int *a = _a, *b = _b;
return *a - *b;
}
static RBTree *IntTreeNew_(void)
{
return RBTreeNew(_IntCopy, _IntCompare, free, _IntCopy, _IntCompare, free);
}
static void test_new_destroy(void)
{
RBTree *t = IntTreeNew_();
RBTreeDestroy(t);
}
static void test_put_overwrite(void)
{
RBTree *t = IntTreeNew_();
int a = 42;
assert_false(RBTreePut(t, &a, &a));
int *r = RBTreeGet(t, &a);
assert_int_equal(a, *r);
assert_true(RBTreePut(t, &a, &a));
r = RBTreeGet(t, &a);
assert_int_equal(a, *r);
RBTreeDestroy(t);
}
static void test_put_remove(void)
{
RBTree *t = IntTreeNew_();
int a = 42;
assert_false(RBTreePut(t, &a, &a));
int *r = RBTreeGet(t, &a);
assert_int_equal(a, *r);
assert_true(RBTreeRemove(t, &a));
r = RBTreeGet(t, &a);
assert_true(r == NULL);
assert_false(RBTreeRemove(t, &a));
r = RBTreeGet(t, &a);
assert_true(r == NULL);
RBTreeDestroy(t);
}
static void test_put_remove_inorder(void)
{
RBTree *t = IntTreeNew_();
for (int i = 0; i < 20000; i++)
{
RBTreePut(t, &i, &i);
}
for (int i = 0; i < 20000; i++)
{
int *r = RBTreeGet(t, &i);
assert_int_equal(i, *r);
}
for (int i = 0; i < 20000; i++)
{
RBTreeRemove(t, &i);
}
RBTreeDestroy(t);
}
static void test_iterate_empty(void)
{
RBTree *t = IntTreeNew_();
RBTreeIterator *it = RBTreeIteratorNew(t);
void *r = NULL;
while (RBTreeIteratorNext(it, &r, NULL))
{
fail();
}
assert_true(r == NULL);
RBTreeIteratorDestroy(it);
RBTreeDestroy(t);
}
static void test_iterate(void)
{
RBTree *t = IntTreeNew_();
for (int i = 0; i < 20; i++)
{
RBTreePut(t, &i, &i);
}
assert_int_equal(20, RBTreeSize(t));
RBTreeIterator *it = RBTreeIteratorNew(t);
for (int i = 0; i < 20; i++)
{
int *k = NULL;
int *v = NULL;
assert_true(RBTreeIteratorNext(it, (void **)&k, (void **)&v));
assert_int_equal(i, *k);
assert_int_equal(i, *v);
}
assert_false(RBTreeIteratorNext(it, NULL, NULL));
RBTreeIteratorDestroy(it);
RBTreeDestroy(t);
}
static void test_put_remove_random(void)
{
Seq *nums = SeqNew(20000, free);
srand(0);
for (int i = 0; i < 20000; i++)
{
int k = rand() % 1000;
SeqAppend(nums, xmemdup(&k, sizeof(int)));
}
RBTree *t = IntTreeNew_();
for (size_t i = 0; i < SeqLength(nums); i++)
{
RBTreePut(t, SeqAt(nums, i), SeqAt(nums, i));
}
for (size_t i = 0; i < SeqLength(nums); i++)
{
int *k = SeqAt(nums, i);
int *r = RBTreeGet(t, k);
assert_int_equal(*k, *r);
}
for (size_t i = 0; i < SeqLength(nums); i++)
{
RBTreeRemove(t, SeqAt(nums, i));
}
SeqDestroy(nums);
RBTreeDestroy(t);
}
static void test_clear(void)
{
RBTree *t = IntTreeNew_();
for (int i = 0; i < 20000; i++)
{
RBTreePut(t, &i, &i);
}
int k = 5;
assert_true(RBTreeGet(t, &k) != NULL);
assert_int_equal(20000, RBTreeSize(t));
RBTreeClear(t);
assert_true(RBTreeGet(t, &k) == NULL);
assert_int_equal(0, RBTreeSize(t));
for (int i = 0; i < 20000; i++)
{
RBTreePut(t, &i, &i);
}
assert_true(RBTreeGet(t, &k) != NULL);
assert_int_equal(20000, RBTreeSize(t));
RBTreeDestroy(t);
}
static void test_equal(void)
{
RBTree *a = IntTreeNew_();
RBTree *b = IntTreeNew_();
for (int i = 0; i < 20000; i++)
{
RBTreePut(a, &i, &i);
RBTreePut(b, &i, &i);
}
assert_true(RBTreeEqual(a, b));
RBTreeDestroy(a);
RBTreeDestroy(b);
}
static void test_copy(void)
{
RBTree *a = IntTreeNew_();
for (int i = 0; i < 20000; i++)
{
RBTreePut(a, &i, &i);
}
RBTree *b = RBTreeCopy(a, NULL, NULL);
assert_true(RBTreeEqual(a, b));
RBTreeDestroy(a);
RBTreeDestroy(b);
}
int main()
{
const UnitTest tests[] =
{
unit_test(test_new_destroy),
unit_test(test_put_overwrite),
unit_test(test_put_remove),
unit_test(test_put_remove_inorder),
unit_test(test_iterate_empty),
unit_test(test_iterate),
unit_test(test_put_remove_random),
unit_test(test_clear),
unit_test(test_equal),
unit_test(test_copy),
};
PRINT_TEST_BANNER();
return run_tests(tests);
}
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