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- package colorable
-
- import (
- "bytes"
- "testing"
- )
-
- // checkEncoding checks that colorable is output encoding agnostic as long as
- // the encoding is a superset of ASCII. This implies that one byte not part of
- // an ANSI sequence must give exactly one byte in output
- func checkEncoding(t *testing.T, data []byte) {
- // Send non-UTF8 data to colorable
- b := bytes.NewBuffer(make([]byte, 0, 10))
- if b.Len() != 0 {
- t.FailNow()
- }
- // TODO move colorable wrapping outside the test
- c := NewNonColorable(b)
- c.Write(data)
- if b.Len() != len(data) {
- t.Fatalf("%d bytes expected, got %d", len(data), b.Len())
- }
- }
-
- func TestEncoding(t *testing.T) {
- checkEncoding(t, []byte{}) // Empty
- checkEncoding(t, []byte(`abc`)) // "abc"
- checkEncoding(t, []byte(`é`)) // "é" in UTF-8
- checkEncoding(t, []byte{233}) // 'é' in Latin-1
- }
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