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bimap: added content initializer

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This commit is contained in:
Javier Peletier
2020-12-12 12:27:20 +01:00
parent ad8455cae3
commit 682038470a
2 changed files with 44 additions and 15 deletions
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11
bimap/bimap.go
View File

@@ -13,8 +13,15 @@ type BiMap struct {
}
// NewBiMap returns a an empty, mutable, biMap
func NewBiMap() *BiMap {
return &BiMap{forward: make(map[interface{}]interface{}), inverse: make(map[interface{}]interface{}), immutable: false}
func NewBiMap(content map[interface{}]interface{}) *BiMap {
b := &BiMap{forward: make(map[interface{}]interface{}), inverse: make(map[interface{}]interface{}), immutable: false}
if content != nil {
for k, v := range content {
b.Insert(k, v)
}
}
return b
}
// Insert puts a key and value into the BiMap, provided its mutable. Also creates the reverse mapping from value to key.

48
bimap/bimap_test.go
View File

@@ -67,7 +67,7 @@ func TestNewBiMap(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
expected := &BiMap{forward: make(map[interface{}]interface{}), inverse: make(map[interface{}]interface{})}
t.Equals(expected, actual)
}
@@ -75,7 +75,7 @@ func TestNewBiMap(tx *testing.T) {
func TestBiMap_Insert(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
actual.Insert(key, value)
fwdExpected := make(map[interface{}]interface{})
@@ -90,7 +90,7 @@ func TestBiMap_Insert(tx *testing.T) {
func TestBiMap_Exists(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
actual.Insert(key, value)
t.Assert(!actual.Exists("ARBITARY_KEY"), "Key should not exist")
@@ -100,7 +100,7 @@ func TestBiMap_Exists(tx *testing.T) {
func TestBiMap_InverseExists(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
actual.Insert(key, value)
t.Assert(!actual.ExistsInverse("ARBITARY_VALUE"), "Value should not exist")
@@ -110,7 +110,7 @@ func TestBiMap_InverseExists(tx *testing.T) {
func TestBiMap_Get(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
actual.Insert(key, value)
@@ -128,7 +128,7 @@ func TestBiMap_Get(tx *testing.T) {
func TestBiMap_GetInverse(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
actual.Insert(key, value)
@@ -146,7 +146,7 @@ func TestBiMap_GetInverse(tx *testing.T) {
func TestBiMap_Size(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
t.Equals(0, actual.Size())
@@ -158,7 +158,7 @@ func TestBiMap_Size(tx *testing.T) {
func TestBiMap_Delete(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
dummyKey := "DummyKey"
dummyVal := "DummyVal"
actual.Insert(key, value)
@@ -187,7 +187,7 @@ func TestBiMap_Delete(tx *testing.T) {
func TestBiMap_InverseDelete(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
dummyKey := "DummyKey"
dummyVal := "DummyVal"
actual.Insert(key, value)
@@ -216,7 +216,7 @@ func TestBiMap_InverseDelete(tx *testing.T) {
func TestBiMap_WithVaryingType(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
dummyKey := "Dummy key"
dummyVal := 3
@@ -232,7 +232,7 @@ func TestBiMap_WithVaryingType(tx *testing.T) {
func TestBiMap_MakeImmutable(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
dummyKey := "Dummy key"
dummyVal := 3
@@ -276,7 +276,7 @@ func TestBiMap_MakeImmutable(tx *testing.T) {
func TestBiMap_GetForwardMap(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
dummyKey := "Dummy key"
dummyVal := 42
@@ -293,7 +293,7 @@ func TestBiMap_GetForwardMap(tx *testing.T) {
func TestBiMap_GetInverseMap(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
actual := NewBiMap()
actual := NewBiMap(nil)
dummyKey := "Dummy key"
dummyVal := 42
@@ -306,3 +306,25 @@ func TestBiMap_GetInverseMap(tx *testing.T) {
eq := reflect.DeepEqual(actualInverseMap, inverseMap)
t.Assert(eq, "Inverse maps should be equal")
}
func TestBiMap_Initialize(tx *testing.T) {
t := ut.BeginTest(tx, false)
defer t.FinishTest()
content := map[interface{}]interface{}{
"a": 1,
"b": 2,
"c": 3,
}
m := NewBiMap(content)
v, present := m.Get("a")
t.Equals(1, v)
t.Equals(true, present)
k, present := m.GetInverse(3)
t.Equals("c", k)
t.Equals(true, present)
}