109 lines
2.2 KiB
Go
109 lines
2.2 KiB
Go
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package bytes
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import (
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"testing"
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)
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func TestBuffer(t *testing.T) {
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str := "hello world"
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buffer := NewBuffer()
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buffer.Write([]byte("hel"))
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buffer.Write([]byte("lo world"))
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b, err := buffer.ReadAll()
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if err != nil {
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t.Fatal(err)
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}
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if string(b) != str {
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t.Fatal(string(b))
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}
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buffer.Write([]byte("hel"))
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buffer.Write([]byte("lo "))
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buffer.Write([]byte("wor"))
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buffer.Write([]byte("ld"))
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for i := 0; i < len(str); i++ {
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for j := i; j < len(str); j++ {
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sub, err := buffer.Sub(i, j)
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if err != nil {
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t.Fatal(err)
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}
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if string(sub) != string([]byte(str)[i:j]) {
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t.Fatalf("[%v:%v] %v != %v", i, j, string(sub), string([]byte(str)[i:j]))
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}
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}
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}
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for i := 0; i < len(str); i++ {
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for j := i; j < len(str); j++ {
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buffer.Write([]byte("hel"))
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buffer.Write([]byte("lo "))
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buffer.Write([]byte("wor"))
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buffer.Write([]byte("ld"))
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b, err = buffer.Read(j)
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if err != nil {
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t.Fatal(err)
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}
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if string(b) != string([]byte(str)[:j]) {
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t.Fatalf("[%v:%v] %v != %v", i, j, string(b), string([]byte(str)[:j]))
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}
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buffer.Reset()
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}
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}
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for i := 0; i < len(str); i++ {
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for j := i; j < len(str); j++ {
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buffer.Write([]byte("hel"))
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buffer.Write([]byte("lo "))
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buffer.Write([]byte("wor"))
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buffer.Write([]byte("ld"))
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buffer.Read(i)
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b, err = buffer.Read(j - i)
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if err != nil {
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t.Fatal(err)
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}
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if string(b) != string([]byte(str)[i:j]) {
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t.Fatalf("[%v:%v] %v != %v", i, j, string(b), string([]byte(str)[i:j]))
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}
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buffer.Reset()
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}
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}
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buffer.Append([]byte("hello"))
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buffer.Append([]byte(" world"))
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if string(buffer.buffers[0]) != "hello world" {
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t.Fatal(string(buffer.buffers[0]))
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}
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b, err = buffer.ReadAll()
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if err != nil {
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t.Fatal(err)
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}
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if string(b) != "hello world" {
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t.Fatal(string(b))
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}
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buffer.Reset()
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buffer.Push([]byte("hello "))
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buffer.Push([]byte("world"))
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if string(buffer.buffers[0]) != "hello " {
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t.Fatal(string(buffer.buffers[0]))
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}
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buffer.Pop(1)
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if string(buffer.buffers[0]) != "ello " {
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t.Fatal(string(buffer.buffers[0]))
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}
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buffer.Pop(5)
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if string(buffer.buffers[0]) != "world" {
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t.Fatal(string(buffer.buffers[0]))
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}
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buffer.ReadAll()
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if len(buffer.buffers) != 0 {
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t.Fatal(string(buffer.buffers[0]))
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}
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}
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