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import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class TreeBstCheckTest {
@Test
void test() {
TreeBstCheck.TreeOrders tt = new TreeBstCheck.TreeOrders();
tt.key = new int[]{2, 1, 3};
tt.left = new int[]{1, -1, -1};
tt.right = new int[]{2, -1, -1};
assertTrue(tt.isBst());
}
@Test
void test1() {
TreeBstCheck.TreeOrders tt = new TreeBstCheck.TreeOrders();
tt.key = new int[]{1, 2, 3};
tt.left = new int[]{1, -1, -1};
tt.right = new int[]{2, -1, -1};
assertFalse(tt.isBst());
}
@Test
void test2() {
TreeBstCheck.TreeOrders tt = new TreeBstCheck.TreeOrders();
tt.key = new int[0];
tt.left = new int[0];
tt.right = new int[0];
assertTrue(tt.isBst());
}
@Test
void test3() {
TreeBstCheck.TreeOrders tt = new TreeBstCheck.TreeOrders();
tt.key = new int[]{1, 2, 3, 4, 5};
tt.left = new int[]{-1, -1, -1, -1, -1};
tt.right = new int[]{1, 2, 3, 4, -1};
assertTrue(tt.isBst());
}
@Test
void test4() {
TreeBstCheck.TreeOrders tt = new TreeBstCheck.TreeOrders();
tt.key = new int[]{4, 2, 6, 1, 3, 5, 7};
tt.left = new int[]{1, 3, 5, -1, -1, -1, -1};
tt.right = new int[]{2, 4, 6, -1, -1, -1, -1};
assertTrue(tt.isBst());
}
@Test
void test5() {
TreeBstCheck.TreeOrders tt = new TreeBstCheck.TreeOrders();
tt.key = new int[]{4, 2, 1, 5};
tt.left = new int[]{1, 2, -1, -1};
tt.right = new int[]{-1, 3, -1, -1};
assertFalse(tt.isBst());
}
}
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