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added WriteReadVarSize test, added PutVarSize/GetVarSize and test

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This commit is contained in:
dima
2026-05-28 20:48:01 +00:00
parent 7fa2d0f292
commit 12b8905852
2 changed files with 158 additions and 44 deletions
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131
little/little_test.go
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@@ -361,7 +361,7 @@ func TestWriteReadInt16(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteInt16(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadInt16(w)
if err != nil {
@@ -383,7 +383,7 @@ func TestWriteReadInt24(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteInt24(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadInt24(w)
if err != nil {
@@ -405,7 +405,7 @@ func TestWriteReadInt32(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteInt32(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadInt32(w)
if err != nil {
@@ -427,7 +427,7 @@ func TestWriteReadInt48(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteInt48(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadInt48(w)
if err != nil {
@@ -449,7 +449,7 @@ func TestWriteReadInt64(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteInt64(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadInt64(w)
if err != nil {
@@ -471,7 +471,7 @@ func TestWriteReadUint16(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteUint16(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadUint16(w)
if err != nil {
@@ -492,7 +492,7 @@ func TestWriteReadUint24(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteUint24(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadUint24(w)
if err != nil {
@@ -513,7 +513,7 @@ func TestWriteReadUint32(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteUint32(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadUint32(w)
if err != nil {
@@ -534,7 +534,7 @@ func TestWriteReadUint48(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteUint48(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadUint48(w)
if err != nil {
@@ -555,7 +555,7 @@ func TestWriteReadUint64(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteUint64(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadUint64(w)
if err != nil {
@@ -582,7 +582,7 @@ func TestWriteReadFloat32(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteFloat32(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadFloat32(w)
if err != nil {
@@ -608,7 +608,7 @@ func TestWriteReadFloat64(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteFloat64(w, num)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadFloat64(w)
if err != nil {
@@ -633,7 +633,7 @@ func TestWriteReadString8(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteString8(w, origin)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadString8(w)
if err != nil {
@@ -662,7 +662,7 @@ func TestWriteReadString16(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteString16(w, origin)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadString16(w)
if err != nil {
@@ -691,7 +691,7 @@ func TestWriteReadBool(t *testing.T) {
w := bytes.NewBuffer(nil)
err := WriteBool(w, flag)
if err != nil {
return
t.Fatal(err)
}
decoded, err := ReadBool(w)
if err != nil {
@@ -761,30 +761,31 @@ func TestCountVarUint64(t *testing.T) {
}
}
var varSizeTestCases = []struct {
Num int
Count int
}{
{Num: (1 << 7) - 1, Count: 1},
{Num: (1 << 7), Count: 2},
{Num: (1 << 14) - 1, Count: 2},
{Num: (1 << 14), Count: 3},
{Num: (1 << 21) - 1, Count: 3},
{Num: (1 << 21), Count: 4},
{Num: (1 << 28) - 1, Count: 4},
{Num: (1 << 28), Count: 5},
{Num: (1 << 35) - 1, Count: 5},
{Num: (1 << 35), Count: 6},
{Num: (1 << 42) - 1, Count: 6},
{Num: (1 << 42), Count: 7},
{Num: (1 << 49) - 1, Count: 7},
{Num: (1 << 49), Count: 8},
{Num: (1 << 56) - 1, Count: 8},
{Num: (1 << 56), Count: 9},
{Num: (1 << 63) - 1, Count: 9},
}
func TestCountVarSize(t *testing.T) {
var testCases = []struct {
Num int
Count int
}{
{Num: (1 << 7) - 1, Count: 1},
{Num: (1 << 7), Count: 2},
{Num: (1 << 14) - 1, Count: 2},
{Num: (1 << 14), Count: 3},
{Num: (1 << 21) - 1, Count: 3},
{Num: (1 << 21), Count: 4},
{Num: (1 << 28) - 1, Count: 4},
{Num: (1 << 28), Count: 5},
{Num: (1 << 35) - 1, Count: 5},
{Num: (1 << 35), Count: 6},
{Num: (1 << 42) - 1, Count: 6},
{Num: (1 << 42), Count: 7},
{Num: (1 << 49) - 1, Count: 7},
{Num: (1 << 49), Count: 8},
{Num: (1 << 56) - 1, Count: 8},
{Num: (1 << 56), Count: 9},
{Num: (1 << 63) - 1, Count: 9},
}
for _, testCase := range testCases {
for _, testCase := range varSizeTestCases {
count := CountVarSize(testCase.Num)
if count != testCase.Count {
t.Fatalf("calculated count %d is not equal %d for num %d\n",
@@ -793,6 +794,60 @@ func TestCountVarSize(t *testing.T) {
}
}
func TestWriteReadVarSize(t *testing.T) {
for _, testCase := range varSizeTestCases {
w := bytes.NewBuffer(nil)
count, err := WriteVarSize(w, testCase.Num)
if err != nil {
t.Fatal(err)
}
decoded, err := ReadVarSize(w)
if err != nil {
t.Fatal(err)
}
if decoded != testCase.Num {
t.Fatalf("num %d not equal decoded %d", testCase.Num, decoded)
}
if count != testCase.Count {
t.Fatalf("count %d not equal decoded count %d of num %d",
testCase.Count, count, testCase.Num)
}
}
// negative size
w := bytes.NewBuffer(nil)
_, err := WriteVarSize(w, -1)
if err != ErrNegativeSize {
t.Fatal("negative size did not lead to ErrNegativeSize")
}
}
func TestPutGetVarSize(t *testing.T) {
for _, testCase := range varSizeTestCases {
a := make([]byte, 9)
count, err := PutVarSize(a, testCase.Num)
if err != nil {
t.Fatal(err)
}
decoded, err := GetVarSize(a)
if err != nil {
t.Fatal(err)
}
if decoded != testCase.Num {
t.Fatalf("num %d not equal decoded %d", testCase.Num, decoded)
}
if count != testCase.Count {
t.Fatalf("count %d not equal decoded count %d of num %d",
testCase.Count, count, testCase.Num)
}
}
// negative size
a := make([]byte, 9)
_, err := PutVarSize(a, -1)
if err != ErrNegativeSize {
t.Fatal("negative size did not lead to ErrNegativeSize")
}
}
// HELPERS
const letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"