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20 lines
339 B
20 lines
339 B
package tools
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import "testing"
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func TestReverse(t *testing.T) {
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cases := []struct {
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in, want string
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}{
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{"Hello, world", "dlrow ,olleH"},
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{"Hello, 世界", "界世 ,olleH"},
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{"", ""},
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}
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for _, c := range cases {
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got := Reverse(c.in)
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if got != c.want {
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t.Errorf("Reverse(%q) == %q, want %q", c.in, got, c.want)
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}
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}
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}
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