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#include <cxxtest/TestSuite.h>
#include "common/queue.h"
class QueueTestSuite : public CxxTest::TestSuite {
public:
void test_empty_clear() {
Common::Queue<int> queue;
TS_ASSERT(queue.empty());
queue.push(1);
queue.push(2);
TS_ASSERT(!queue.empty());
queue.clear();
TS_ASSERT(queue.empty());
}
void test_size() {
Common::Queue<int> queue;
TS_ASSERT_EQUALS(queue.size(), 0);
queue.push(5);
TS_ASSERT_EQUALS(queue.size(), 1);
queue.push(9);
queue.push(0);
TS_ASSERT_EQUALS(queue.size(), 3);
queue.pop();
TS_ASSERT_EQUALS(queue.size(), 2);
}
void test_front_back_push_pop() {
Common::Queue<int> container;
container.push( 42);
container.push(-23);
TS_ASSERT_EQUALS(container.front(), 42);
TS_ASSERT_EQUALS(container.back(), -23);
container.front() = -17;
container.back() = 163;
TS_ASSERT_EQUALS(container.front(), -17);
TS_ASSERT_EQUALS(container.back(), 163);
container.pop();
TS_ASSERT_EQUALS(container.front(), 163);
TS_ASSERT_EQUALS(container.back(), 163);
}
void test_assign() {
Common::Queue<int> q1, q2;
for (int i = 0; i < 5; ++i) {
q1.push(i);
q2.push(4-i);
}
Common::Queue<int> q3(q1);
for (int i = 0; i < 5; ++i) {
TS_ASSERT_EQUALS(q3.front(), i);
q3.pop();
}
TS_ASSERT(q3.empty());
q3 = q2;
for (int i = 4; i >= 0; --i) {
TS_ASSERT_EQUALS(q3.front(), i);
q3.pop();
}
TS_ASSERT(q3.empty());
TS_ASSERT(!q1.empty());
TS_ASSERT(!q2.empty());
}
};
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