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put docbuf into an external pkg

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Signed-off-by: Ava Affine <ava@sunnypup.io>
This commit is contained in:
Ava Apples Affine 2024-12-05 17:06:54 -08:00
parent 41c420ebcc
commit 0dae469cce
7 changed files with 3 additions and 3 deletions
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165
internal/docbuf/read_write_seek_string_test.go
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@ -1,165 +0,0 @@
package docbuf
import (
"io"
"testing"
)
func SetupTestingBuffer(t *testing.T) ReadWriteSeekString{
str := NewReadWriteSeekString()
n, e := str.Write([]byte("test"))
if n != 4 || e != nil {
t.Fatalf("Failed to write to buffer: %e", e)
}
return str
}
// can it read
func TestRWSSRead(t *testing.T) {
b := make([]byte, 4)
buf := SetupTestingBuffer(t)
c, err := buf.Seek(0, io.SeekStart)
if err != nil || c != 0 {
t.Fatalf("seek failed: %e", err)
}
n, err := buf.Read(b)
if n != 4 || err != nil || string(b) != "test" {
t.Fatalf("read failed: %e", err)
}
m, err := buf.Seek(-3, io.SeekEnd)
if err != nil || m != 1 {
t.Fatalf("seek failed: %e", err)
}
b = make([]byte, 4)
l, err := buf.Read(b)
if l != 3 || err != nil || string(b[:3]) != "est" {
t.Fatalf("read failed: %e", err)
}
k, err := buf.Seek(0, io.SeekStart)
if k != 0 || err != nil {
t.Fatalf("seek failed: %e", err)
}
b = make([]byte, 3)
j, err := buf.Read(b)
if j != 3 || err != nil || string(b) != "tes" {
t.Fatalf("read failed: %e", err)
}
b = make([]byte, 1)
i, err := buf.Read(b)
if i != 1 || err != nil || string(b) != "t" {
t.Fatalf("read failed: %e", err)
}
}
// can it write
func TestRWSSWrite(t *testing.T) {
buf := SetupTestingBuffer(t)
if buf.Contents() != "test" || buf.Cursor() != 4 {
t.Fatalf("write failed: %s", buf.Contents())
}
m, err := buf.Write([]byte("test2"))
if m != 5 ||
err != nil ||
buf.Contents() != "testtest2" ||
buf.Cursor() != 9 {
t.Fatalf("write failed: %e", err)
}
n, err := buf.Seek(2, io.SeekStart)
if n != 2 || err != nil {
t.Fatalf("seek failed: %e", err)
}
o, err := buf.Write([]byte("one"))
if o != 3 ||
err != nil ||
buf.Contents() != "teoneest2" ||
buf.Cursor() != 5 {
t.Fatalf("write failed: %e", err)
}
p, err := buf.Seek(0, io.SeekEnd)
if p != 9 || err != nil {
t.Fatalf("seek (%d) failed: %e", p, err)
}
q, err := buf.Write([]byte("two"))
if q != 3 ||
err != nil ||
buf.Contents() != "teoneest2two" ||
buf.Cursor() != 12 {
t.Fatalf("write failed: %e", err)
}
}
// if it seeks can it read from new position
// if it seeks can it write to new position
func TestRWSSSeek(t *testing.T) {
buf := SetupTestingBuffer(t)
if n, err := buf.Seek(0, io.SeekStart);
n != 0 ||
err != nil {
t.Fatalf("seek failed: %e", err)
}
if n, err := buf.Seek(3, io.SeekStart);
n != 3 ||
err != nil {
t.Fatalf("seek failed: %e", err)
}
if n, err := buf.Seek(-1, io.SeekStart);
n != 3 ||
err == nil ||
err.Error() != "seek index (-1) is negative" {
t.Fatalf("seek should have failed but didnt: %e", err)
}
if n, err := buf.Seek(0, io.SeekCurrent);
n != 3 ||
err != nil {
t.Fatalf("seek failed: %e", err)
}
if n, err := buf.Seek(-2, io.SeekEnd);
n != 2 ||
err != nil {
t.Fatalf("seek failed: %e", err)
}
if n, err := buf.Seek(-1, io.SeekCurrent);
n != 1 ||
err != nil {
t.Fatalf("seek failed: %e", err)
}
if n, err := buf.Seek(-2, io.SeekCurrent);
n != 1 ||
err == nil ||
err.Error() != "seek index (-1) is negative" {
t.Fatalf("seek should have failed but didnt: %e", err)
}
if n, err := buf.Seek(-1, io.SeekEnd);
n != 3 ||
err != nil {
t.Fatalf("seek failed: %e", err)
}
if n, err := buf.Seek(-5, io.SeekEnd);
n != 3 ||
err == nil ||
err.Error() != "seek index (-1) is negative" {
t.Fatalf("seek should have failed but didnt: %e", err)
}
}