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// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
package utils
import (
"bufio"
"fmt"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
)
var _ = fmt.Print
func TestStringScanner(t *testing.T) {
for _, text := range []string{
"a\nb\nc",
"a\nb\nc\r",
"a\n\n\nb\nc",
"a\r\r\nb\r\nc\n",
"\n1",
"",
"\n",
} {
actual := Splitlines(text)
expected := make([]string, 0, len(actual))
s := bufio.NewScanner(strings.NewReader(text))
for s.Scan() {
expected = append(expected, s.Text())
}
if diff := cmp.Diff(expected, actual); diff != "" {
t.Fatalf("Failed for: %#v\n%s", text, diff)
}
}
}
func TestReplaceControlCodes(t *testing.T) {
for text, expected := range map[string]string{
"none": "none",
"a\r\x01b\x03\x7f c\n\td": "a\u240d\u2401b\u2403\u2421 cX d",
"\x01": "\u2401",
"\x00\x0b": "\u2400\u240b",
} {
actual := ReplaceControlCodes(text, " ", "X")
if diff := cmp.Diff(expected, actual); diff != "" {
t.Fatalf("Failed for text: %#v\n%s", text, diff)
}
}
}
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