import subtract from "../src/subtract";

describe("subtract function test", () => {

test("Subtracting positive numbers", () => {

expect(subtract("123", "456")).toBe("-333");

expect(subtract("1000", "1")).toBe("999");

expect(subtract("9999", "9998")).toBe("1");

});

test("Subtracting negative numbers", () => {

expect(subtract("-5", "-3")).toBe("-2");

expect(subtract("-10", "5")).toBe("-15");

expect(subtract("10", "-5")).toBe("15");

});

test("Subtracting zero", () => {

expect(subtract("0", "0")).toBe("0");

expect(subtract("10", "0")).toBe("10");

expect(subtract("0", "10")).toBe("-10");

expect(subtract("-5", "0")).toBe("-5");

});

test("Subtracting decimal numbers", () => {

expect(subtract("3.14", "2.14")).toBe("1");

expect(subtract("-1.5", "0.5")).toBe("-2");

expect(subtract("0.3", "0.1")).toBe("0.2");

expect(subtract("0.8", "0.7")).toBe("0.1");

});

test("Subtracting large numbers", () => {

expect(subtract("10000000000000000", "1")).toBe("9999999999999999");

expect(subtract("9876543210987654321", "1234567890123456789")).toBe(

"8641975320864197532"

);

});

test("Subtracting numbers with different digits", () => {

expect(subtract("1000", "0.1")).toBe("999.9");

expect(subtract("1000", "999.999")).toBe("0.001");

});

test("Subtracting resulting in negative numbers", () => {

expect(subtract("100", "200")).toBe("-100");

expect(subtract("0.1", "0.2")).toBe("-0.1");

});

});