package intmath import "testing" func TestMin(t *testing.T) { testCases := []struct { name string a, b int expect int }{ { name: "first smaller", a: 1, b: 2, expect: 1, }, { name: "both equal", a: 1, b: 1, expect: 1, }, { name: "last smaller", a: 2, b: 1, expect: 1, }, } for _, c := range testCases { t.Run(c.name, func(t *testing.T) { actual := Min(c.a, c.b) if c.expect != actual { t.Errorf("expected min(%d, %d) to return %d, but did %d", c.a, c.b, c.expect, actual) } }) } }