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33 lines
819 B
Go
33 lines
819 B
Go
package byteutils
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import (
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"bytes"
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"testing"
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)
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func TestCut(t *testing.T) {
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if !bytes.Equal(Cut([]byte("123456"), 2, 4), []byte("1256")) {
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t.Error("Should properly cut")
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}
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}
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func TestInsert(t *testing.T) {
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if !bytes.Equal(Insert([]byte("123456"), 2, []byte("abcd")), []byte("12abcd3456")) {
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t.Error("Should insert into middle of slice")
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}
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}
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func TestReplace(t *testing.T) {
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if !bytes.Equal(Replace([]byte("123456"), 2, 4, []byte("ab")), []byte("12ab56")) {
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t.Error("Should replace when same length")
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}
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if !bytes.Equal(Replace([]byte("123456"), 2, 4, []byte("abcd")), []byte("12abcd56")) {
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t.Error("Should replace when replacement length bigger")
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}
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if !bytes.Equal(Replace([]byte("123456"), 2, 5, []byte("ab")), []byte("12ab6")) {
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t.Error("Should replace when replacement length bigger")
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}
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}
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