Add unit tests to Max Consecutive 1s problem #24

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2 changes: 2 additions & 0 deletions src/_Problems_/max-consecutive-1s/index.js

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -22,3 +22,5 @@ function findMaxConsecutive1s(arr) {
		if (count > max) max = count;
		return max;
		}

	module.exports = { findMaxConsecutive1s };

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Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,20 @@
	const { findMaxConsecutive1s } = require(".");

	describe("Find maximum numbers of consecutive 1s", () => {
	it("returns 1 if there is only one number 1", () => {
	expect(findMaxConsecutive1s([1])).toEqual(1);
	});

	it("return the appropriate count for a large array", () => {
	const largeArray = [0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1];
	expect(findMaxConsecutive1s(largeArray)).toEqual(5);
	});

	it("returns count 0 if there is no number 1", () => {
	expect(findMaxConsecutive1s([0, 2, 3, 9, 0])).toEqual(0);
	});

	it("does NOT count negative 1s", () => {
	expect(findMaxConsecutive1s([1, 1, 0, -1, -1, -1])).toEqual(2);
	});
	});

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