58 lines
1.8 KiB
Go
58 lines
1.8 KiB
Go
// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>
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package wcswidth
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import (
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"testing"
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)
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func TestEscapeCodeParsing(t *testing.T) {
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type test_parse_collection struct {
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actual, expected string
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}
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var d test_parse_collection
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add := func(prefix string, b []byte) error {
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d.actual += "\n" + prefix + ": " + string(b)
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return nil
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}
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var test_parser = EscapeCodeParser{
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HandleCSI: func(b []byte) error { return add("CSI", b) },
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HandleOSC: func(b []byte) error { return add("OSC", b) },
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HandleDCS: func(b []byte) error { return add("DCS", b) },
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HandleSOS: func(b []byte) error { return add("SOS", b) },
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HandlePM: func(b []byte) error { return add("PM", b) },
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HandleAPC: func(b []byte) error { return add("APC", b) },
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HandleRune: func(b rune) error { return add("CH", []byte(string(b))) },
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}
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reset_test_parser := func() {
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test_parser.Reset()
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d = test_parse_collection{}
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}
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check_test_result := func(raw string) {
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if d.actual != d.expected {
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t.Fatalf("parsing: %#v actual != expected: %#v != %#v", raw, string(d.actual), string(d.expected))
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}
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}
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test := func(raw string, expected string) {
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reset_test_parser()
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d.expected = "\n" + expected
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test_parser.Parse([]byte(raw))
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check_test_result(raw)
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}
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test("\x1b[31m\xc2\x9bm", "CSI: 31m\nCSI: m")
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test("\x1b[-31m\xc2\x9bm", "CSI: -31m\nCSI: m")
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test("ab\nc", "CH: a\nCH: b\nCH: \n\nCH: c")
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test("a\x1b[200m\x1b[mb\x1b[5:3;2;4~", "CH: a\nCSI: 200m\nCSI: m\nCH: b\nCSI: 5:3;2;4~")
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test("\x1b[200~a\x1b[201m\x1b[201~\x1b[x", "CH: a\nCH: \x1b\nCH: [\nCH: 2\nCH: 0\nCH: 1\nCH: m\nCSI: x")
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test("a\x1bPb\x1b\x1bc\x1b\\d", "CH: a\nDCS: b\x1bc\nCH: d")
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test("a\x1b_b\x1b\x1b\x1bc\x1b\\d", "CH: a\nAPC: b\x1b\x1bc\nCH: d")
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test("\x1b]X\x07\x1b]X\x1b\x07\x1b\\", "OSC: X\nOSC: X\x1b\x07")
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}
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