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// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
package sgr
import (
"fmt"
"testing"
"github.com/google/go-cmp/cmp"
)
var _ = fmt.Print
func TestInsertFormatting(t *testing.T) {
test := func(src, expected string, spans ...*Span) {
actual := InsertFormatting(src, spans...)
if diff := cmp.Diff(expected, actual); diff != "" {
t.Fatalf("Failed with %#v:\n%#v != %#v\n%s", src, expected, actual, diff)
}
}
test(
"\x1b[44m abcd \x1b[49m",
"\x1b[44m a\x1b[33;41mbc\x1b[39;49m\x1b[44md \x1b[49m",
NewSpan(2, 2).SetForeground(3).SetBackground(1).SetClosingForeground(nil).SetClosingBackground(nil),
)
test(
"abcd",
"a\x1b[92mbcd\x1b[39m",
NewSpan(1, 11).SetForeground(10).SetClosingForeground(nil),
)
test(
"AB\x1b[1mC\x1b[221mDE",
"A\x1b[37mB\x1b[1mC\x1b[221mDE\x1b[39m\x1b[221m",
NewSpan(1, 11).SetForeground(7).SetClosingForeground(nil),
)
}
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