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function testEmpty() {
let set = new Set();
for (let i = 0; i < 100; ++i) {
assertEq(set.size, 0);
}
}
for (let i = 0; i < 2; ++i) testEmpty();
function testSimple() {
let set = new Set([1, 2, 3, 4]);
for (let i = 0; i < 100; ++i) {
assertEq(set.size, 4);
}
}
for (let i = 0; i < 2; ++i) testSimple();
function testWithDelete() {
for (let i = 0; i < 100; ++i) {
let a = [1, 2, 3, 4];
let set = new Set(a);
for (let j = 0; j < a.length; ++j) {
assertEq(set.size, a.length - j);
set.delete(a[j]);
assertEq(set.size, a.length - j - 1);
}
assertEq(set.size, 0);
}
}
for (let i = 0; i < 2; ++i) testWithDelete();
function testWithAdd() {
for (let i = 0; i < 100; ++i) {
let a = [1, 2, 3, 4];
let set = new Set();
for (let j = 0; j < a.length; ++j) {
assertEq(set.size, j);
set.add(a[j]);
assertEq(set.size, j + 1);
}
assertEq(set.size, a.length);
}
}
for (let i = 0; i < 2; ++i) testWithAdd();