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#include <cxxtest/TestSuite.h>
#include "common/util.h"
#include "common/func.h"
#include "common/algorithm.h"
#include "common/list.h"
template<typename T, class StrictWeakOrdering >
void check_sort(T first, T last, StrictWeakOrdering comp = StrictWeakOrdering()) {
for(T i = first; i != last; ++i) {
T next = i;
++next;
if (next == last)
break;
TS_ASSERT_EQUALS(comp(*next, *i), false); //prev <= next
};
}
struct item {
int value;
item(int v): value(v) {}
};
struct item_cmp {
bool operator()(const item &a, const item &b) {
return a.value < b.value;
}
};
class AlgorithmTestSuite : public CxxTest::TestSuite {
public:
void test_pod_sort() {
{
int array[] = { 63, 11, 31, 72, 1, 48, 32, 69, 38, 31 };
Common::sort(array, array + ARRAYSIZE(array));
check_sort(array, array + ARRAYSIZE(array), Common::Less<int>());
Common::sort(array, array + ARRAYSIZE(array)); //already sorted one
check_sort(array, array + ARRAYSIZE(array), Common::Less<int>());
}
{
int array[] = { 90, 80, 70, 60, 50, 40, 30, 20, 10 };
Common::sort(array, array + ARRAYSIZE(array));
check_sort(array, array + ARRAYSIZE(array), Common::Less<int>());
Common::sort(array, array + ARRAYSIZE(array), Common::Greater<int>());
check_sort(array, array + ARRAYSIZE(array), Common::Greater<int>());
}
}
void test_container_sort() {
const int n = 1000;
Common::List<item> list;
for(int i = 0; i < n; ++i) {
list.push_back(item(i));
Common::sort(list.begin(), list.end(), item_cmp());
check_sort(list.begin(), list.end(), item_cmp());
}
}
};
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