/
briggsset_test.go
283 lines (224 loc) · 6.36 KB
/
briggsset_test.go
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package intset
import (
"math/rand"
"sort"
"testing"
"github.com/knakk/specs"
)
func TestBriggsSetAdd(t *testing.T) {
specs := specs.New(t)
set := NewBriggsSet(100).Add(1, 2, 5, 2)
specs.Expect(set.Contains(1, 2, 5), true)
specs.Expect(set.Size(), 3)
}
func TestBriggsSetRemove(t *testing.T) {
specs := specs.New(t)
set := NewBriggsSet(100).Add(3, 1)
specs.Expect(set.Contains(3, 1), true)
set.Remove(1, 3)
specs.Expect(set.Contains(1, 3), false)
}
func TestBriggsSetContains(t *testing.T) {
specs := specs.New(t)
set := NewBriggsSet(100).Add(1, 2, 3).Remove(2)
specs.Expect(set.Contains(2), false)
specs.Expect(set.Contains(1, 3), true)
specs.Expect(set.Contains(1, 2, 3), false)
}
func TestBriggsSetClear(t *testing.T) {
specs := specs.New(t)
set := NewBriggsSet(100).Add(1, 2, 3, 4, 5).Clear()
specs.Expect(set.Contains(1, 2, 3, 4, 5), false)
specs.Expect(set.Size(), 0)
}
func TestBriggsSetSize(t *testing.T) {
specs := specs.New(t)
set := NewBriggsSet(100).Add(1, 2, 3)
specs.Expect(set.Size(), 3)
set.Remove(2)
specs.Expect(set.Size(), 2)
}
func TestBriggsSetAll(t *testing.T) {
specs := specs.New(t)
set := NewBriggsSet(100).Add(99, 1, 5)
all := set.All()
specs.Expect(len(all), 3)
sort.Ints(all) // Hashet.All() doesn't guarantee order of ints
specs.Expect(all[0], 1)
specs.Expect(all[1], 5)
specs.Expect(all[2], 99)
}
func TestBriggsSetEqual(t *testing.T) {
specs := specs.New(t)
setA := NewBriggsSet(100).Add(1, 2)
setB := NewBriggsSet(100).Add(2, 1, 1)
setC := NewBriggsSet(100).Add(1, 3)
specs.Expect(setA.Equal(setB), true)
specs.Expect(setA.Equal(setC), false)
}
func TestBriggsSetSubsetOf(t *testing.T) {
specs := specs.New(t)
setA := NewBriggsSet(100).Add(1, 2)
setB := NewBriggsSet(100).Add(1, 2, 3)
setC := NewBriggsSet(100).Add(3, 4, 5)
specs.Expect(setA.SubsetOf(setB), true)
specs.Expect(setA.SubsetOf(setC), false)
}
func TestBriggsSetSupersetOf(t *testing.T) {
specs := specs.New(t)
setA := NewBriggsSet(100).Add(1, 2)
setB := NewBriggsSet(100).Add(1, 2, 3)
setC := NewBriggsSet(100).Add(3, 4, 5)
specs.Expect(setB.SupersetOf(setA), true)
specs.Expect(setC.SupersetOf(setA), false)
}
func TestBriggsSetUnion(t *testing.T) {
specs := specs.New(t)
setA := NewBriggsSet(100).Add(1, 2)
setB := NewBriggsSet(100).Add(3, 4)
setC := NewBriggsSet(100).Add(1, 99)
specs.Expect(setA.Union(setB).Equal(NewBriggsSet(100).Add(1, 2, 3, 4)), true)
specs.Expect(setA.Union(setC).Equal(NewBriggsSet(100).Add(1, 2, 99)), true)
}
func TestBriggsSetIntersection(t *testing.T) {
specs := specs.New(t)
setA := NewBriggsSet(100).Add(1, 2)
setB := NewBriggsSet(100).Add(1, 2, 3)
setC := NewBriggsSet(100).Add(3, 4, 5)
specs.Expect(setA.Intersection(setB).Equal(setA), true)
specs.Expect(setB.Intersection(setC).Equal(NewBriggsSet(100).Add(3)), true)
}
func TestBriggsSetSymetricDifference(t *testing.T) {
specs := specs.New(t)
setA := NewBriggsSet(100).Add(1, 2, 4)
setB := NewBriggsSet(100).Add(1, 2, 3)
setC := NewBriggsSet(100).Add(3, 4, 5)
specs.Expect(setA.SymetricDifference(setB).Equal(NewBriggsSet(100).Add(3, 4)), true)
specs.Expect(setB.SymetricDifference(setC).Equal(NewBriggsSet(100).Add(1, 2, 4, 5)), true)
}
func TestBriggsSetClone(t *testing.T) {
specs := specs.New(t)
setA := NewBriggsSet(100).Add(9, 3, 1)
setB := setA.Clone()
specs.Expect(setB.Equal(setA), true)
}
// Benchmarks
func BenchmarkBriggsSetAdd(b *testing.B) {
set := NewBriggsSet(1000)
for i := 0; i < b.N; i++ {
set.Add(rand.Intn(1000))
}
}
func BenchmarkBriggsSetRemove(b *testing.B) {
set := NewBriggsSet(1000)
for i := 0; i < 500; i++ {
set.Add(rand.Intn(1000))
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
set.Remove(rand.Intn(1000))
}
}
func BenchmarkBriggsSetContains(b *testing.B) {
set := NewBriggsSet(1000)
for i := 0; i < 500; i++ {
set.Add(rand.Intn(1000))
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
set.Contains(rand.Intn(1000))
}
}
func BenchmarkBriggsSetClear(b *testing.B) {
set := NewBriggsSet(1000)
for i := 0; i < 500; i++ {
set.Add(rand.Intn(1000))
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
set.Clear()
}
}
func BenchmarkBriggsSetEqual(b *testing.B) {
setA := NewBriggsSet(100).Add(1, 3, 7, 88)
setB := NewBriggsSet(100).Add(88, 3, 7, 1)
setC := NewBriggsSet(100).Add(1, 3, 7, 89)
b.ResetTimer()
for i := 0; i < b.N; i++ {
setA.Equal(setB)
setA.Equal(setC)
}
}
func BenchmarkBriggsSetBigEqual(b *testing.B) {
setA := NewBriggsSet(10000).Add(1, 3, 700, 8888)
setB := NewBriggsSet(10000).Add(8888, 3, 700, 1)
setC := NewBriggsSet(10000).Add(1, 3, 700, 8889)
b.ResetTimer()
for i := 0; i < b.N; i++ {
setA.Equal(setB)
setA.Equal(setC)
}
}
func BenchmarkBriggsSetBigSubsetOf(b *testing.B) {
setA := NewBriggsSet(10000).Add(3, 700, 8888)
setB := NewBriggsSet(10000).Add(8888, 3, 700, 1)
setC := NewBriggsSet(10000).Add(1, 3, 700, 8889)
b.ResetTimer()
for i := 0; i < b.N; i++ {
setA.SubsetOf(setB)
setA.SubsetOf(setC)
}
}
func BenchmarkBriggsSetUnion(b *testing.B) {
setA := NewBriggsSet(100).Add(1, 3, 7, 88)
setB := NewBriggsSet(100).Add(33, 44, 7, 1)
setC := NewBriggsSet(100).Add(13, 3, 7, 89)
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = setA.Union(setB).Union(setC)
}
}
func BenchmarkBriggsSetBigUnion(b *testing.B) {
setA := NewBriggsSet(10000)
setB := NewBriggsSet(10000)
for i := 0; i < 5000; i++ {
setA.Add(rand.Intn(10000))
setB.Add(rand.Intn(10000))
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = setA.Union(setB)
}
}
func BenchmarkBriggsSetIntersection(b *testing.B) {
setA := NewBriggsSet(100).Add(1, 3, 7, 88)
setB := NewBriggsSet(100).Add(33, 44, 7, 1)
setC := NewBriggsSet(100).Add(13, 3, 7, 89)
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = setA.Intersection(setB).Intersection(setC)
}
}
func BenchmarkBriggsSetSymetricDifference(b *testing.B) {
setA := NewBriggsSet(100).Add(1, 3, 7, 88)
setB := NewBriggsSet(100).Add(33, 44, 7, 1)
setC := NewBriggsSet(100).Add(13, 3, 27, 89)
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = setA.SymetricDifference(setB).SymetricDifference(setC)
}
}
func BenchmarkBriggsSetBigSymetricDifference(b *testing.B) {
setA := NewBriggsSet(10000)
setB := NewBriggsSet(10000)
setC := NewBriggsSet(10000)
for i := 0; i < 5000; i++ {
setA.Add(rand.Intn(10000))
setB.Add(rand.Intn(10000))
setC.Add(rand.Intn(10000))
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = setA.SymetricDifference(setB).SymetricDifference(setC)
}
}