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