#include<cstdio>
#include<iostream>
#include<algorithm>
namespace IO{
	template<typename T> inline void rd(T &x){
		x=0;bool f=0;char c=0;
		while(c<'0'||c>'9') f|=c=='-',c=getchar();
		while('0'<=c&&c<='9') x=x*10+(c^48),c=getchar();
		x=f?-x:x;
	}
	template<typename T,typename ...Args> inline void rd(T &x,Args &...args){rd(x),rd(args...);}
	template<typename T> inline void wt(char c,T x){
		int stk[114],top=0;
		if(x<0) x=-x,putchar('-');
		do stk[++top]=x%10,x/=10; while(x);
		while(top) putchar(stk[top--]+'0');
		putchar(c);
	}
	template<typename T,typename ...Args> inline void wt(char c,T x,Args ...args){wt(c,x),wt(c,args...);}
	template<typename T,typename ...Args> inline void wt(char s,char c,T x,Args ...args){wt(c,x),wt(c,args...),putchar(s);}
};
using namespace IO;
using namespace std;
typedef long long LL;
const int N=2e6+7,M=1e6+7;
int n,mx;
int sum[M];
inline void solve(){
	rd(n);
	for(int i=1;i<=n;i++){
		int x; rd(x);
		sum[x]++,mx=max(mx,x);
	}
	LL ans=0;
	for(int d=1;d<=n;d++){
		for(int i=1;i<=mx;i++){
			if((i^d)!=i+d) continue;
			// cerr<<i<<" "<<d<<endl;
			ans+=1ll*sum[i]*sum[i+d];
		}
	}
	wt('\n',ans);
	for(int i=1;i<=mx;i++) sum[i]=0;
}
int main(){
#ifndef ONLINE_JUDGE
	freopen("in.in","r",stdin);
	freopen("out.out","w",stdout);
#endif
	int T; rd(T);
	while(T--) solve();
	return 0;
}