Fixed bug and added more tests

logs/color_windows.go

@@ -25,7 +25,6 @@ import (
 )
 
 type (
-	outputMode 	int
 	csiState 	int
 	parseResult int
 )
@@ -426,36 +425,4 @@ func (cw *ansiColorWriter) Write(p []byte) (int, error) {
 	}
 
 	return r, err
-}
-
-// DiscardNonColorEscSeq supports the divided color escape sequence.
-// But non-color escape sequence is not output.
-// Please use the OutputNonColorEscSeq If you want to output a non-color
-// escape sequences such as ncurses. However, it does not support the divided
-// color escape sequence.
-const (
-	_ outputMode = iota
-	DiscardNonColorEscSeq
-	OutputNonColorEscSeq
-)
-
-// NewAnsiColorWriter creates and initializes a new ansiColorWriter
-// using io.Writer w as its initial contents.
-// In the console of Windows, which change the foreground and background
-// colors of the text by the escape sequence.
-// In the console of other systems, which writes to w all text.
-func NewAnsiColorWriter(w io.Writer) io.Writer {
-	return NewModeAnsiColorWriter(w, DiscardNonColorEscSeq)
-}
-
-// NewModeAnsiColorWriter create and initializes a new ansiColorWriter
-// by specifying the outputMode.
-func NewModeAnsiColorWriter(w io.Writer, mode outputMode) io.Writer {
-	if _, ok := w.(*ansiColorWriter); !ok {
-		return &ansiColorWriter{
-			w:    w,
-			mode: mode,
-		}
-	}
-	return w
 }