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package diff_test
import (
"testing"
. "gopkg.in/check.v1"
"gopkg.in/src-d/go-git.v2/diff"
)
func Test(t *testing.T) { TestingT(t) }
type suiteCommon struct{}
var _ = Suite(&suiteCommon{})
var diffTests = [...]struct {
src string // the src string to diff
dst string // the dst string to diff
}{
// equal inputs
{"", ""},
{"a", "a"},
{"a\n", "a\n"},
{"a\nb", "a\nb"},
{"a\nb\n", "a\nb\n"},
{"a\nb\nc", "a\nb\nc"},
{"a\nb\nc\n", "a\nb\nc\n"},
// missing '\n'
{"", "\n"},
{"\n", ""},
{"a", "a\n"},
{"a\n", "a"},
{"a\nb", "a\nb"},
{"a\nb\n", "a\nb\n"},
{"a\nb\nc", "a\nb\nc"},
{"a\nb\nc\n", "a\nb\nc\n"},
// generic
{"a\nbbbbb\n\tccc\ndd\n\tfffffffff\n", "bbbbb\n\tccc\n\tDD\n\tffff\n"},
}
func (s *suiteCommon) TestCountLines(c *C) {
for i, t := range diffTests {
diffs := diff.Do(t.src, t.dst)
src := diff.Src(diffs)
dst := diff.Dst(diffs)
c.Assert(src, Equals, t.src, Commentf("subtest %d, src=%q, dst=%q, bad calculated src", i, t.src, t.dst))
c.Assert(dst, Equals, t.dst, Commentf("subtest %d, src=%q, dst=%q, bad calculated dst", i, t.src, t.dst))
}
}
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