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reverselinkedlistii_test.go
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reverselinkedlistii_test.go
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package reverselinkedlistii
import (
"testing"
"github.com/WindomZ/testify/assert"
)
func Test_reverseBetween(t *testing.T) {
assert.Empty(t, reverseBetween(nil, 0, 0))
assert.Equal(t, &ListNode{
Val: 5,
}, reverseBetween(&ListNode{
Val: 5,
}, 1, 1))
assert.Equal(t, &ListNode{
Val: 3,
Next: &ListNode{
Val: 2,
Next: &ListNode{
Val: 1,
},
},
}, reverseBetween(&ListNode{
Val: 1,
Next: &ListNode{
Val: 2,
Next: &ListNode{
Val: 3,
},
},
}, 1, 3))
assert.Equal(t, &ListNode{
Val: 1,
Next: &ListNode{
Val: 4,
Next: &ListNode{
Val: 3,
Next: &ListNode{
Val: 2,
Next: &ListNode{
Val: 5,
},
},
},
},
}, reverseBetween(&ListNode{
Val: 1,
Next: &ListNode{
Val: 2,
Next: &ListNode{
Val: 3,
Next: &ListNode{
Val: 4,
Next: &ListNode{
Val: 5,
},
},
},
},
}, 2, 4))
}
func Benchmark_reverseBetween(b *testing.B) {
b.StopTimer()
b.ReportAllocs()
b.StartTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
reverseBetween(nil, 0, 0)
reverseBetween(&ListNode{
Val: 1,
Next: &ListNode{
Val: 2,
Next: &ListNode{
Val: 3,
},
},
}, 1, 1)
reverseBetween(&ListNode{
Val: 1,
Next: &ListNode{
Val: 2,
Next: &ListNode{
Val: 3,
Next: &ListNode{
Val: 4,
Next: &ListNode{
Val: 5,
},
},
},
},
}, 2, 4)
}
})
}