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function test(obj, otherObj) {
var total = 0;
var keys = Object.keys(obj);
var otherKeys = Object.keys(otherObj);
if (keys.length != otherKeys.length) {
return -1;
}
for (var i = 0; i < keys.length; i++) {
var s = keys[i];
if (otherObj.hasOwnProperty(s)) {
total += otherObj[s];
}
}
return total;
}
var arr = [];
var arr2 = [];
for (var i = 0; i < 20; i++) {
var obj = {};
var obj2 = {};
for (var j = 0; j < i; j++) {
obj["x_" + i + "_" + j] = 1;
obj2["x_" + i + "_" + j] = 2;
}
arr.push(obj);
arr2.push(obj2);
}
with ({}) {}
for (var i = 0; i < 2000; i++) {
var idx = i % arr.length;
assertEq(test(arr[idx], arr2[idx]), idx * 2);
}
assertEq(-1, test({a: 1, b: 1, c: 1}, {a: 2, b: 2}));
assertEq(4, test({a: 1, b: 1, c: 1}, {a: 2, b: 2, d: 2}));