45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
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package utf8reverse
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestReverse(t *testing.T) {
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for i, tc := range []struct {
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input string
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output string
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}{
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{input: "", output: ""},
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{input: "x", output: "x"},
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{input: "Hello!", output: "!olleH"},
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{input: "Привет", output: "тевирП"},
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{input: "\r\n", output: "\n\r"},
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{input: "\n\n", output: "\n\n"},
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{input: "\t*", output: "*\t"},
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// NB: Диакритика съехала!
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{input: "möp", output: "p̈om"},
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// NB: Иероглиф развалился!,
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{input: "뢴", output: "ᆫᅬᄅ"},
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{input: "Hello, 世界", output: "界世 ,olleH"},
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{input: "ำ", output: "ำ"},
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{input: "ำำ", output: "ำำ"},
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// NB: Эмоджи распался.
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{input: "👩❤️💋👩", output: "👩💋️❤👩"},
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// NB: Эмоджи распался.
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{input: "🏋🏽♀️", output: "️♀\u200d🏽🏋"},
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{input: "🙂", output: "🙂"},
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{input: "🙂🙂", output: "🙂🙂"},
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// NB: DE != ED
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{input: "🇩🇪", output: "🇪🇩"},
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// NB: Флаг распался. :)
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{input: "🏳️🌈", output: "🌈️🏳"},
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} {
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t.Run(fmt.Sprintf("#%v: %v", i, tc.input), func(t *testing.T) {
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require.Equal(t, tc.output, Reverse(tc.input))
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})
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}
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}
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