//#pragma GCC optimize(3,"Ofast","inline")
#include <bits/stdc++.h>
using namespace std;  

#define int long long
#define pii pair<int,int>
#define mkp make_pair
#define fi first
#define se second
#define pb push_back
#define lowbit(x) ((x)&(-x))

#define ppc __builtin_popcount

#define lc(p) ((p)<<1)
#define rc(p) ((p)<<1|1)

#define sqr(x) ((x)*(x))

// #define mod 1000000007
// #define mod 998244353
#define eps 1e-10

#define debug cout<<__LINE__<<" "<<__FUNCTION__<<"\n";
#define spa putchar(' ')
#define ero putchar('\n')

mt19937 rnd(time(0));

constexpr int N=1e6+10,inf=1e18;

inline int read(){
	int x=0,f=1;char ch=getchar();
	while (ch<'0'||ch>'9'){if (ch=='-') f=-1;ch=getchar();}
	while (ch>='0'&&ch<='9'){x=x*10+ch-48;ch=getchar();}
	return x*f;
}
inline void write(int x){
	if(!x)putchar('0');
	if(x<0)x=-x,putchar('-');
	int cnt=0,a[30];
	while(x)a[++cnt]=x%10,x/=10;
	while(cnt--)putchar(a[cnt+1]+'0');
}

char s[5050][5050];
int vis[5050][5050];
int n,m;
vector<pii>vec;
int Col;
int dx[]={0,1,0,-1},dy[]={1,0,-1,0};

bool chkin(int x,int y){
	if(x<1||x>n||y<1||y>m){
		return 0;
	}
	return 1;
}

bool chk(int x,int y){
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			if(vis[i][j]!=Col&&s[i][j]=='.'){
				bool fl=1;
				for(pii p:vec){
					int xx=i-x+p.fi;
					int yy=j-y+p.se;
					if(!chkin(xx,yy)||s[xx][yy]!='.'){
						// debug
						fl=0;
						break;
					}
				}
				if(fl){
					// debug
					return 0;
				}
			}
			
		}
	}
	// debug
	return 1;
}


void dfs(int x,int y){
	vec.pb({x,y});
	vis[x][y]=Col;
	for(int k=0;k<4;k++){
		int xx=x+dx[k];
		int yy=y+dy[k];
		if(chkin(xx,yy)&&s[xx][yy]=='.'&&!vis[xx][yy]){
			dfs(xx,yy);
		}
	}
}

void solve(){
    n=read(),m=read();
	for(int i=1;i<=n;i++){
		scanf("%s",s[i]+1);
		for(int j=1;j<=m;j++){
			vis[i][j]=0;
		}
	}
	Col=0;
	int ans=0;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			if(!vis[i][j]&&s[i][j]=='.'){
				vec.clear();
				Col++;
				dfs(i,j);
				if(chk(i,j)){
					// debug
					ans=ans+vec.size();
				}
			}
		}
	}
	write(ans),ero;
}

signed main(){
	// freopen(".in","r",stdin);
	// freopen(".out","w",stdout);
	// ios::sync_with_stdio(0),cin.tie(0),cout.tie(0); 
    int T=read();
    // int T=1;
    while(T--){
        solve();
    }
	return 0;
}