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test_template.c
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test_template.c
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#if !defined(CONCAT_SUFFIX) || !defined(KEY_TYPE)
#error Please define CONCAT_SUFFIX and KEY_TYPE before including test_template.c
#endif
int CONCAT_SUFFIX(test_key_counts_are_equal)(KEY_TYPE* keys, KEY_TYPE* sorted_keys, const long long int key_count)
{
long long int min_key = keys[0];
long long int max_key = keys[0];
for (long long int key_index = 1; key_index < key_count; ++key_index)
{
min_key = min(min_key, keys[key_index]);
max_key = max(max_key, keys[key_index]);
}
for (long long int key_index = 0; key_index < key_count; ++key_index)
{
min_key = min(min_key, sorted_keys[key_index]);
max_key = max(max_key, sorted_keys[key_index]);
}
const long long int histogram_size = max_key - min_key + 1;
long long int* histogram = (long long int*)malloc(sizeof(long long int) * (size_t)histogram_size);
long long int* sorted_histogram = (long long int*)malloc(sizeof(long long int) * (size_t)histogram_size);
for (long long int entry_index = 0; entry_index < histogram_size; ++entry_index)
{
histogram[entry_index] = 0;
sorted_histogram[entry_index] = 0;
}
for (long long int key_index = 0; key_index < key_count; ++key_index)
{
histogram[keys[key_index] - min_key]++;
}
for (long long int key_index = 0; key_index < key_count; ++key_index)
{
sorted_histogram[sorted_keys[key_index] - min_key]++;
}
int result = 1;
for (long long int entry_index = 0; entry_index < histogram_size; ++entry_index)
{
if (histogram[entry_index] != sorted_histogram[entry_index])
{
result = 0;
break;
}
}
free(sorted_histogram);
free(histogram);
return result;
}
int CONCAT_SUFFIX(test_keys_are_sorted)(KEY_TYPE* const keys, const long long int key_count)
{
KEY_TYPE key = keys[0];
for (long long int key_index = 1; key_index < key_count; ++key_index)
{
const KEY_TYPE next_key = keys[key_index];
if (key > next_key)
{
return 0;
}
key = next_key;
}
return 1;
}