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pdf_test.go
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pdf_test.go
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package main
import (
"testing"
"github.com/google/go-cmp/cmp"
)
func TestReduceBlankLines(t *testing.T) {
for _, c := range []struct {
name string
in []string
want []string
}{
{
name: "no blank lines",
in: []string{
"lorem ipsum",
"dolor",
"sit amet",
},
want: []string{
"lorem ipsum",
"dolor",
"sit amet",
},
},
{
name: "single blank lines with spaces",
in: []string{
"lorem ipsum",
" ",
"dolor",
" ",
"sit",
"",
"amet",
},
want: []string{
"lorem ipsum",
" ",
"dolor",
" ",
"sit",
"",
"amet",
},
},
{
name: "consecutive blank lines with spaces",
in: []string{
"lorem ipsum",
" ",
"dolor",
" ",
"",
"",
"sit",
"",
" ",
"amet",
},
want: []string{
"lorem ipsum",
" ",
"dolor",
" ",
"sit",
"",
"amet",
},
},
{
name: "leading blank lines",
in: []string{
"",
"",
" ",
"",
"lorem ipsum",
" ",
"dolor",
" ",
"",
"",
"sit",
},
want: []string{
"",
"lorem ipsum",
" ",
"dolor",
" ",
"sit",
},
},
{
name: "trailing blank lines",
in: []string{
"lorem ipsum",
" ",
"dolor",
" ",
"",
"",
"sit",
" ",
"",
" ",
"",
},
want: []string{
"lorem ipsum",
" ",
"dolor",
" ",
"sit",
" ",
},
},
} {
t.Run(c.name, func(t *testing.T) {
got := reduceBlankLines(c.in)
diff := cmp.Diff(got, c.want)
if diff != "" {
t.Fatalf("want: %q\ngot: %q\ndiff:\n%v", c.want, got, diff)
}
})
}
}