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Christopher Chedeau 2020-01-03 21:03:25 -08:00 • committed by GitHub
parent b1a90c0020
commit 0d5272720f
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src/zindex.test.ts Normal file
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import { moveOneLeft, moveAllLeft } from "./zindex";
function expectMove(fn, elems, indices, equal) {
fn(elems, indices);
expect(elems).toEqual(equal);
}
it("should moveOneLeft", () => {
expectMove(moveOneLeft, ["a", "b", "c", "d"], [1, 2], ["b", "c", "a", "d"]);
expectMove(moveOneLeft, ["a", "b", "c", "d"], [0], ["a", "b", "c", "d"]);
expectMove(
moveOneLeft,
["a", "b", "c", "d"],
[0, 1, 2, 3],
["a", "b", "c", "d"]
);
expectMove(moveOneLeft, ["a", "b", "c", "d"], [1, 3], ["b", "a", "d", "c"]);
});
it("should moveAllLeft", () => {
expectMove(
moveAllLeft,
["a", "b", "c", "d", "e", "f", "g"],
[2, 5],
["c", "f", "a", "b", "d", "e", "g"]
);
expectMove(
moveAllLeft,
["a", "b", "c", "d", "e", "f", "g"],
[5],
["f", "a", "b", "c", "d", "e", "g"]
);
expectMove(
moveAllLeft,
["a", "b", "c", "d", "e", "f", "g"],
[0, 1, 2, 3, 4, 5, 6],
["a", "b", "c", "d", "e", "f", "g"]
);
expectMove(
moveAllLeft,
["a", "b", "c", "d", "e", "f", "g"],
[0, 1, 2],
["a", "b", "c", "d", "e", "f", "g"]
);
expectMove(
moveAllLeft,
["a", "b", "c", "d", "e", "f", "g"],
[4, 5, 6],
["e", "f", "g", "a", "b", "c", "d"]
);
});